Sen Works
Engineering, IT and healthcare operations · delivered from Vietnam

Best in class healthcare and technology resource.

Offshore teams of engineers, Microsoft-certified IT professionals, coders and revenue cycle specialists: named, interviewed by you, and dedicated exclusively to your engagement.

Security built for regulated work: US-hosted desktops, no patient data stored offshore, every session logged and watermarked.

Built to work inside your HITRUST r2, SOC 2 and ISO 27001-certified environments, behind a controlled delivery floor in Ho Chi Minh City.

Dense low-rise housing below office towers, District 1, Ho Chi Minh City
District 1 · Ho Chi Minh CityPhoto — Anh Vy
Dedicated teams

Named people you interview and keep, not a shared queue.

Engineering live in a fortnight

Every engineer starts on a managed device, trained and cleared, so there is nothing to build before they can begin.

Measured from day one

Throughput and quality reported against your own baseline.

Verified in person

Every hire interviewed in country by someone who has held the role.

01

What we do

Two practices, one delivery standard.

We place people, not licences. Every engagement is a named team working your queue, your tooling and your quality bar, measured from day one against the baseline you already have.

Technology · any sector

Engineering & IT

Software companies, product teams and internal IT. Healthcare experience available, never required. Credentials you can verify in a directory, at roughly a third of US onshore rates.

  • AI and machine-learning engineeringModel, pipeline and evaluation work
  • Senior software engineeringProduct and platform teams, embedded in yours
  • Microsoft, Azure and cloud architectureTenant design, migration, identity, governance
  • IT service desk, first and second lineOne service with an escalation path, never two line items
  • Data, DevOps and security engineeringPipelines, build and release, monitoring, control evidence

Healthcare operations · US

Revenue cycle & patient access

Rules-driven, high-volume work where throughput and accuracy are both measurable, run inside the controlled perimeter described below.

  • Denials, appeals and AR follow-upChasing, correcting and appealing refused claims
  • Claim status and payer follow-upPayer-facing calls and portal work
  • Eligibility and prior authorisationBenefit checks, submission and tracking
  • Patient billing enquiriesWritten and asynchronous patient communication
  • Medical coding and chart reviewCertified coders, trained against your workflow

02

Why us

Three things we can evidence rather than assert.

We have held the roles

Our founders have run engineering and commercial teams and worked inside US healthcare. Every candidate is interviewed in person, in country, by someone who has held the role. That is a materially different assurance from a remote scored assessment, and one we stand behind.

Controls proportionate to the work

Patient data, and anything else you designate as high-risk, runs inside a documented perimeter: our controlled site, US-hosted access, full session logging. Other work can run from home or hybrid. Either way it is an encrypted, managed device under the same baseline and the same training.

Verifiable technical depth

Vietnam's engineering workforce is documented, growing and export-proven, and a Microsoft or cloud certification means precisely the same thing in Ho Chi Minh City as it does in Houston. You can check ours before you hire them.

03 · Security and data handling

Delivery from a controlled site, under controls your auditors can inspect.

We deliver in two ways, and the sensitivity of the data decides which applies. Patient data, and any other data a client designates as high-risk, is accessed only from our controlled site in Ho Chi Minh City. All other work can be done from home or in a hybrid pattern. In every case, work is done on encrypted, managed devices supplied by Sen Works or by the client, under the same Sen Works security baseline and training.

Controls

The control set

Applied in full where regulated data is in scope.

Access
US-hosted virtual desktops in a US region under a cloud BAA. Clipboard, drive redirection, print and file transfer disabled. MFA on every session; access restricted to our site addresses.
Premises
A closed, badge-controlled room, physically segregated from other clients’ work, with no personal phones, cameras or laptops permitted. Patient data and client-designated high-risk data are accessed only here. All other work may run from home or hybrid, always on an encrypted, managed device.
Screen
Dynamic watermarking carrying user identity and timestamp, so any captured screen is attributable.
Record
Access and system logging as standard, retained in the US. Full session recording is available where a client requires it, with an evidence pack for your auditors including screenshots of blocked copy, print and download attempts.
People
Employed, not freelanced. Engaged through a licensed local employer, background-checked and verified in person, with confidentiality and HIPAA obligations flowed down in writing and training records dated before system access.
Contract
BAA with matching downstream terms. Cyber and professional indemnity cover with worldwide territorial extension endorsed in writing. Standard wording often excludes acts outside the US and UK.
Assurance
Our training and controls are built for work inside HITRUST r2, SOC 2 and ISO 27001 environments. We support each client’s third-party risk process with mapped evidence, questionnaires and access for assessors, so that engaging Sen Works supports compliance rather than complicating it.

Sen Works does not hold its own security certifications or attestations today. Each resource is contracted to work within the client’s information security management system, in addition to Sen Works’ own baseline controls and training, so our people meet the third-party requirements of our clients’ HITRUST r2, SOC 2, ISO 27001 and other compliance programmes.

The perimeter, in one picture

United States Your environment EHR, billing, ticketing, source control, unchanged. US region · cloud BAA Locked-down desktop No clipboard, no drive, no print, no file transfer. Ho Chi Minh City The Sen Works floor Badge entry, no personal devices, sessions logged. data pixels only Offshore boundary Nothing is stored, cached, copied, printed or downloaded on the far side of that line. Everything done on it is logged, watermarked and attributable to a named person.

A full-page version of this diagram, and our security questionnaire answer bank, are available on request.

Two questions shape every healthcare engagement before anything else: which states your patients are in (Texas and Florida both carry specific requirements on offshore access and storage) and whether Medicare Advantage or Medicaid is in scope, which brings an offshore subcontractor attestation and annual audit with it. We establish both at first contact. For engineering and IT work outside healthcare, none of this applies and the engagement proceeds directly to selection.

04

Engaging us

A sequence, in order. Each step gates the next.

01

Scope and screening

What the work actually is, whose systems we work in, and what success looks like at week twelve. Where patient data is in scope we also settle the state and programme questions here. Where it isn't, as in most engineering and IT work, we go straight to people.

Week zero

02

People, or paper and perimeter

Technology engagements move to shortlisting and interviews immediately; expect candidates in days and starts inside a fortnight. Healthcare engagements first need the MSA and BAA, the locked-down desktop build, written policies, dated training records, insurance endorsed and a one-page data flow diagram your compliance team can actually read.

Weeks one to four

03

Pilot

A small named team, live against your baseline. Throughput, handle time, error rate and rework are instrumented from the first day and reported weekly against the measure agreed in step one. We recommend six months rather than three: a shorter pilot does not produce a reliable baseline.

From week two, or week eight

04

Scale

Seats added in blocks, with the team lead, quality function and floor already paid for. This is where automating the repetitive parts starts to earn its keep. The measurement from step three is what makes it possible to price on outcomes rather than heads.

Month six onward

Sen Works Academy

Unlocking your talent.

Free, and open to everyone — our own team, and anyone in Ho Chi Minh City who takes their own development seriously. Join now and you get all of it, including first sight of every role before it goes anywhere else.

  • Newsletter
  • Webinars
  • Meet-ups
  • Hackathons
  • First to hear about new roles
District 1 from the Saigon RiverHo Chi Minh City

05

Working here

8 roles open in Ho Chi Minh City.

We are hiring the first delivery team now: engineers, infrastructure and service desk, revenue cycle, and the lead who will own what gets reported back to clients each week. Every role below is open and funded, sits in Ho Chi Minh City, and is a direct hire rather than a contract placement.

    Contact

    Start with the work. We will tell you what it takes to do it properly.

    Scope shapes everything that follows: the contracting, the perimeter, the timeline and the price. Engineering and IT work can usually move in days. Where regulated data is in scope there is more to settle first, and we would rather say so at the outset than discover it in week three.

    hello@senworks.com
    Sen · Nelumbo nuciferaThe flower the company is named for

    06

    Policies

    The documents we publish.

    Privacy notice

    1. Who this notice is from

    This notice is given by Sen Works LLC, formed in the United States [state of formation and registered agent: TBC], with delivery through our company in Vietnam [name and enterprise registration number: TBC].

    2. What this notice covers, and what it does not

    This notice covers personal data we decide the use of ourselves: enquiries from this website, business contacts at clients and prospects, people who apply to work with us, and contacts at our suppliers.

    It does not cover the data we handle when working for a client. In that work we act on the client's instructions and the client remains responsible for it. Where that data is protected health information under HIPAA, we act as a business associate. Those arrangements are governed by the services agreement, the data processing agreement and the business associate agreement signed with that client, and not by this notice. If you are a patient or a client's employee and want to know how your data is handled, the organisation that holds your record is the right place to ask.

    3. What we collect

    • Enquiries. Your name, employer, email address and anything you choose to put in your message.
    • Candidates. Your application, CV, interview notes, right-to-work and, where a role requires it, the results of background and exclusion screening. See the separate candidate privacy notice [to be written].
    • Business contacts. Name, role, work contact details and our record of dealings with you.
    • Technical data. When you load this page, our hosting provider receives your IP address and browser details in the ordinary course of serving it. We do not use analytics or advertising tools. See the cookie notice.

    4. Why we use it, and on what basis

    Responding to you
    To answer an enquiry and take a conversation forward. Legitimate interests, or steps taken at your request before a contract.
    Recruitment
    To assess an application and meet our checking obligations. Legitimate interests, and legal obligation where screening is required by a client contract or by law.
    Running the business
    Contract administration, invoicing, insurance and professional advice. Contract and legitimate interests.
    Legal and regulatory
    Tax, accounting, sanctions and anti-bribery obligations in the United States and Vietnam. Legal obligation.

    5. Who we share it with

    Our cloud, email and document providers; our accountants, insurers and legal advisers; and any authority we are legally required to tell. We do not sell personal data, and we do not share it for anyone else's marketing.

    6. Sending data across borders

    Our people are in the United States and Vietnam, and some of our directors are in the United Kingdom, so ordinary business contact data moves between those places. For personal data leaving the UK or the European Economic Area we rely on the UK International Data Transfer Agreement or Addendum, or the European Commission's standard contractual clauses, supported by a transfer risk assessment.

    7. How long we keep it

    Enquiries that do not become business, two years. Unsuccessful applications, twelve months, unless you ask us to keep you on file. Contract and financial records, six years after the relationship ends, or longer where tax law in a relevant country requires it. A full retention schedule sits in our internal document set.

    8. Your rights

    If UK or EU data protection law applies to you, you can ask for a copy of your data, ask us to correct or delete it, object to or restrict our use of it, and ask for it in portable form. Where we rely on legitimate interests you can object, and we will stop unless we can show compelling grounds. Write to [privacy@senworks.com: mailbox not yet created]. We will answer within one month.

    You can complain to the Information Commissioner's Office in the United Kingdom, or to your local supervisory authority in the European Economic Area. We would rather you came to us first.

    9. Security

    How we protect client data is described in the security section of this site. Sen Works does not hold its own security certifications or attestations today. Each resource is contracted to work within the client's information security management system, in addition to Sen Works' own baseline controls and training, so our people meet the third-party requirements of our clients' HITRUST r2, SOC 2, ISO 27001 and other compliance programmes.

    10. Changes and contact

    We will post any change here with a new revision date. Questions to [privacy@senworks.com], or by post to [registered office: TBC].

    Cookie notice

    The short version

    This site sets no cookies. It carries no analytics, no advertising tags, no session tracking and no consent banner, because there is nothing to consent to.

    The one thing worth telling you

    The page loads its two typefaces from Google Fonts. That request goes to Google's servers and discloses your IP address and browser details to Google in the process. No cookie is set by it, but it is a disclosure to a third party and we would rather say so than not.

    Server logs

    Our hosting provider keeps ordinary access logs, including IP addresses, to serve the site and protect it from abuse. These are not cookies and are not used to build a profile of you.

    If this changes

    If we later add analytics, a chat widget, a contact form or anything that embeds a third-party player, this notice changes and a consent mechanism becomes necessary before those load.

    Terms of use

    These terms govern your use of senworks.com. They are not our master services agreement, and they do not govern any engagement. Services are provided only under a separate signed agreement.

    1. Who operates this site

    senworks.com is operated by Sen Works LLC. By using the site you accept these terms. If you do not accept them, please leave the site.

    2. What the site is

    The site describes our services in general terms. It is information, not an offer, and nothing on it forms a contract or a binding quotation. Descriptions of capability, timescales and security controls describe how we intend to work and are subject to the terms actually agreed in an engagement.

    3. Not advice

    Nothing on this site is legal, tax, clinical, regulatory or compliance advice, and it must not be relied on as such. Our summaries of United States healthcare rules, state requirements and data protection obligations are written for orientation and are not a substitute for your own advisers. Sending us an enquiry does not create a client relationship.

    4. Our material

    The text, diagrams, imagery, the Sen Works name and the lotus mark are ours or licensed to us. You may read, print and share the pages for the purpose of evaluating us as a supplier. Any other copying, republication or commercial use needs our written permission.

    5. Acceptable use

    Do not attempt to gain unauthorised access to the site or its hosting, probe or scan it, introduce anything malicious, scrape it at a volume that degrades it, or misrepresent your identity when contacting us. Security researchers acting in good faith are welcome to write to us first.

    6. Links out

    Where we link to another organisation, we do not control or endorse what is on the other end.

    7. Availability

    The site is provided as it stands. We do not promise it will be uninterrupted or error-free, and we may change or withdraw any part of it.

    8. Liability

    We do not exclude liability for death or personal injury caused by our negligence, for fraud or fraudulent misrepresentation, or for anything else that cannot lawfully be excluded. Subject to that, we are not liable for loss of profit, business, goodwill or data, or for indirect or consequential loss, arising from use of this site.

    9. Governing law

    These terms are governed by the law of [the state in which Sen Works LLC is formed: TBC], and the courts of that place have exclusive jurisdiction.

    10. Changes

    We may revise these terms. The version on this page at the time you use the site is the one that applies.

    Accessibility statement

    Our aim

    We want this site to be usable by as many people as possible, including anyone using a screen reader, navigating by keyboard, or needing larger text or higher contrast. We build to the Web Content Accessibility Guidelines version 2.2 at level AA.

    Where we actually are

    We are partially conformant with WCAG 2.2 AA. No independent accessibility audit has been carried out, and we will not describe the site as conformant until one has. The assessment below is our own.

    What we have done

    • Semantic headings and landmarks, so the page can be navigated by structure.
    • Visible keyboard focus on every link and control.
    • Light and dark themes, both meeting the AA contrast ratio for body text.
    • Text reflows and stays readable when zoomed to 200 per cent, and down to a 320 pixel viewport.
    • The data-flow diagram carries a text description, and everything it shows is also written out in the surrounding copy.
    • Motion is suppressed for anyone whose system asks for reduced motion.

    Known limitations

    • Our secondary green reaches roughly 4.4:1 against the page background, marginally below the 4.5:1 required for small text. We use it only for large text, headings, rules and fills, never for body copy. It is a constraint we work around rather than a defect we have fixed.
    • Section headings and some display type use a colour gradient. Every stop in it clears the AA contrast ratio at the size used, but the gradient is decorative and carries no meaning on its own.
    • The data-flow diagram scrolls sideways on a narrow screen. The text description is the accessible route to the same information.
    • The policy sections above use expandable panels. They are keyboard operable and announce their state, but a very long policy inside one panel is harder to skim than a page of its own would be. The production build gives each policy its own page.
    • We have tested with keyboard navigation and the browser accessibility inspector. We have not yet tested with JAWS, NVDA or VoiceOver end to end.

    Telling us about a problem

    Write to [hello@senworks.com: mailbox not yet created] and tell us the page and what went wrong. We will reply within five working days, and if we cannot fix something quickly we will tell you how to get the same information another way.

    If you are a buyer asking about this

    We do not hold a VPAT or Accessibility Conformance Report today. If your procurement process requires one, or requires conformance with Section 508 or EN 301 549, say so early: it means a paid independent audit, and it is better priced into the engagement than discovered during it.

    Modern slavery statement

    This statement is made voluntarily. We are not a UK company and our turnover is in any case well below the £36 million threshold at which section 54 of the Modern Slavery Act 2015 requires a statement. We publish it because we supply offshore labour, and a buyer is entitled to ask how the people doing their work are treated before they are asked to sign anything.

    Our structure and our supply chain

    A contracting entity in the United States, Sen Works LLC, and a delivery company operating a single floor in Ho Chi Minh City. Our supply chain is short: the people we employ in Vietnam, the building and the services that run it, our IT hardware and our cloud providers.

    Where the risk actually is

    It is not the engineers. Software engineers and revenue cycle specialists in Ho Chi Minh City are educated, mobile and in demand, and the labour market protects them better than any policy of ours could. The risk sits in three places, and we would rather name them than produce a statement that implies there are none.

    • Recruitment fees. Charging a worker to get a job is the most common route into debt bondage in South East Asia, and it usually happens through an agent rather than the employer.
    • Facilities labour. Cleaning, security, catering and maintenance at the building are contracted, lower paid and less visible to us than our own staff.
    • Hardware. The manufacture of the equipment on the floor sits in a supply chain we do not control and cannot see to the bottom of.

    What we commit to

    We have not yet hired. These are undertakings for our first hire onwards, not a description of a record we do not have.

    • The employer pays. No worker pays any fee, to us or to anyone else, to be recruited or placed. Where an agency is used, the contract says so and we check it.
    • Direct employment. Our delivery staff are employed by our Vietnamese company on written contracts in Vietnamese, not supplied as agency labour.
    • No document retention. We do not hold anyone's passport, identity card or qualification certificates.
    • Paid properly, traceably. Wages above the statutory regional minimum, paid on time into a bank account in the worker's own name. Overtime voluntary and paid at the statutory rate.
    • Freedom to leave. Contractual notice only, no penalty for resigning, no bond tying anyone to a training cost.
    • Facilities suppliers. Modern slavery terms in the building and facilities contracts, with the right to ask how those workers are paid.
    • A way to speak up. A reporting route in Vietnamese that does not go through a line manager, with no retaliation. Shared with our whistleblowing policy.

    Training

    Managers with hiring responsibility will be trained on recruitment-fee risk and on the indicators of forced labour. Everyone else receives it as part of induction.

    How we will know it is working

    From the first full year we will report: the proportion of hires made directly, the number of workers who reported paying any fee to a third party, the number of facilities suppliers with modern slavery terms in their contract, and the number of concerns raised and how they were resolved. Publishing zero against a measure we have not taken would be worse than publishing nothing.

    Approval

    This statement covers the financial year [period: TBC] and was approved by Sen Works LLC on [date], and signed by [name and role].

    Anti-bribery and corruption

    A public summary of our internal anti-bribery and corruption policy. The full policy, the gifts register and the due diligence procedure are internal documents, available to a client under a security review.

    Our position

    We do not offer, give, request or accept a bribe, in any country, in any amount, for any reason, including where it would cost us the work. This applies to everyone who works for us and to anyone acting on our behalf.

    The laws we operate under

    Three regimes can reach us at once. The United States Foreign Corrupt Practices Act, which reaches Sen Works LLC and its dealings abroad. Vietnamese anti-corruption and criminal law, which applies to our delivery company and its staff. And the UK Bribery Act 2010, which reaches an organisation carrying on business in the UK and makes it liable for failing to prevent bribery by anyone performing services for it. We have no UK company, but we have UK-resident people, so we hold ourselves to it.

    Where the three differ, we follow the strictest. The clearest example is facilitation payments.

    Facilitation payments

    Small unofficial payments to speed up a routine official act are prohibited outright. They are criminal under the UK Bribery Act with no exception, whatever the local custom and whatever a narrow exception elsewhere might appear to permit. Anyone asked for one refuses, pays nothing, and reports it the same day. Nobody will be penalised for a delay caused by refusing.

    Gifts and hospitality

    Modest, infrequent, openly given, proportionate to the occasion, and never around a live tender or decision. Anything above [threshold: TBC] needs approval in advance and goes in the register. Cash and cash equivalents are never acceptable in either direction.

    Selling into United States healthcare

    Our clients bill federal healthcare programmes, which brings the Anti-Kickback Statute and the Stark law into scope. We do not pay or accept anything of value in return for a referral of business, and we do not price an engagement in a way that turns on the volume or value of referrals.

    Intermediaries

    Agents, introducers, resellers and local advisers are the most common route by which a company acquires a bribery problem it did not intend. Anyone acting for us is checked before appointment, contracted with anti-bribery terms and a right to terminate, and paid a fee that is recorded, proportionate and traceable to real work.

    Political and charitable giving

    No political donations in any jurisdiction. Charitable donations only to a verified organisation, approved in advance, and never where they have been suggested by a client or an official.

    Speaking up

    Anyone can report a concern, including anonymously, through a route that does not pass through their line manager. Reports are investigated and nobody suffers for making one in good faith, even if they turn out to be mistaken. Contact [speakup route: TBC].

    Our information security, HIPAA, incident response, business continuity, exclusion screening, subcontractor management and background screening policies are internal. They are provided with our security questionnaire answer bank on request.

    ← Sen Works

    Careers

    Open roles in Ho Chi Minh City.

    Sen Works is new. The work is not: engineering, IT operations and healthcare revenue cycle delivered from Ho Chi Minh City to clients in the United States. What that means for you is that the first thirty people here will set how this company works, and will be able to point at the things they decided.

    Every role below is a direct hire on a Vietnamese employment contract, with full statutory cover, in Ho Chi Minh City. We are not a recruitment agency and we do not place people into other companies’ payrolls.

    Pasteur StreetDistrict 1, Ho Chi Minh City
    Team
    Sector

    8 of 8 roles shown

    Not the right role, or not the right time?

    Two ways to stay close to us.

    Speculative applications

    Send a CV and a paragraph on what you want to be doing in two years to careers@senworks.com. We read them.

    The Academy

    We teach our own people, and open the talks, workshops and hackathons to anyone in Ho Chi Minh City who wants to come. The Academy — what we teach, and how it works — and you can join the list from there.

    We do not use one-way video interviews, we tell you the salary band at the first conversation rather than the last, and we give a decision on every application.

    ← Sen Works

    Sen Works Academy

    The talent is already here. We help you unlock it.

    Vietnam has deep engineering talent. What it has much less of is one specific combination our clients need: United States healthcare reimbursement, the discipline of working somewhere that gets audited, and written English strong enough for a payer appeal. Those are learnable. Waiting for people who happen to arrive with all three is not a plan.

    So personal development is not a benefit here, it is part of how the company works. Some of the teaching is for our own people, before they go anywhere near client work. Some of it is open to anyone in Ho Chi Minh City who wants to sit in.

    01

    What we teach

    Four tracks, in English and Vietnamese.

    English for technical work

    Not general English. Writing a change record another engineer will act on, holding a call with a United States counterpart, and the written register a payer appeal needs. Assessed on the work somebody produces, not on a certificate.

    Software development practice

    Testing, code review, data modelling, and the habits that leave a codebase survivable by whoever comes next. Aimed at engineers two to five years in who have shipped plenty and been reviewed hard by nobody.

    AI and machine learning

    Where it earns its keep in production and where it does not: retrieval over messy documents, evaluation discipline, and the judgement to see when a rule, a form change or a conversation beats a model.

    Healthcare in the United States

    How American claims actually work — payers, eligibility, denials and appeals — and the frame around them. HIPAA, what counts as patient data, and why the controls we work under are shaped the way they are.

    Three formats, none of them a course you have to finish.

    Talks

    An hour on one subject, after work, open to anyone who books a place. The point is that you can come once and take something away without committing to a course.

    Workshops

    Half a day, hands on, small groups. You leave having built, fixed or written something rather than having watched somebody else do it.

    Hackathons

    A weekend on a real problem, in mixed teams of our people and people who do not work here. It is the best interview either side will ever get, and nobody has to call it one.

    02

    Why work here

    What we are building, said plainly.

    Deep technology, not ticket volume

    You work inside a client’s real systems and speak to their engineers directly, rather than being a name on a rota that somebody else manages. The engagements are small named teams, which means the work you do is attributable to you.

    Development is the job, not a perk

    Every person here has a track and time inside the working day to work on it. Review happens, and it is specific. We would rather promote somebody in eighteen months than hire over their head.

    A floor built for regulated work

    We are building a delivery floor to the standard a United States client’s security team will audit: controlled access, managed devices, proper hardware, and a written record of who did what. Working somewhere that takes that seriously is a skill you take with you.

    You will be early

    The first thirty people will set how this company works, and will be able to point at the things they decided. That is the trade: less scaffolding than a large firm, considerably more say in what gets built.

    Hold us to all of it. Ask at the first interview and we will answer straight — better then than in month three.

    03

    Join the Academy

    Free, and open to everyone.

    One list, everything on it

    A short newsletter on what we are learning about engineering, regulated work and the United States healthcare market, an invitation whenever a talk, workshop, meet-up or hackathon is scheduled, and first sight of every role before it goes anywhere else.

    • Newsletter
    • Webinars
    • Meet-ups
    • Hackathons
    • First to hear about new roles