DEV.co
Boston, MA · Custom Software + AI

Custom software for Boston — built the AI-native way.

We pair senior engineers with an AI-accelerated delivery model to ship custom software for Boston's biotech, healthtech, and finance operators — without the fragile output that gives AI a bad name.

Senior-only engineering · AI-accelerated delivery · you own 100% of the code

AI changed the economics of custom software. We rebuilt our process around it.

Boston is the country's deepest biotech and healthtech market and a serious financial-services, robotics, and B2B SaaS hub — anchored by world-class research institutions and decades of life-sciences capital. Senior engineering hires are six figures, months out, and almost always picked over by Kendall Square and Seaport employers. AI changes the math, but only when senior people own the parts AI gets wrong.

On a Boston biotech or healthtech build, AI cleanly handles the repetitive 70% — schemas, CRUD, scaffolding, lab-data UI, integration boilerplate. The 30% that punishes you in production is everything a GxP validator or HIPAA auditor cares about: PHI access logging, e-signature flows, chain-of-custody on lab samples, and the fact that 'good enough' for a dev environment is not a thing in validated environments. Raw AI output skips audit trails without telling you.

We build for Boston operators — biotech companies digitizing trial and lab workflows, hospital systems rolling out clinician tools, fintech and asset-management firms upgrading internal platforms, and B2B SaaS shipping into regulated buyers. Our model: AI handles scaffolding and the repetitive 70%; a senior engineer owns architecture, security review, and signs off on every change.

Show, don't tell

AI writes the first draft. A senior engineer signs off.

Every change runs through review for security, tests, and architecture before it ships — that review is the product.

delivery.tstypescript
const draft = await ai.generate(spec)          // minutes, not daysreview(draft, { security: true, tests: true, architecture: true })// ✗ rejected: PHI access without audit-log entry → access logged + reason captured + parameterized test// ✓ merged: e-signature flow on validated change, chain-of-custody fields on lab record
Every change
AI velocity + human judgment
tests + security review built in
you own 100% of the result

On a Boston biotech or healthtech build, the failure modes are missing audit trails, skipped e-signatures, and chain-of-custody gaps. Senior review catches them before a HIPAA or GxP review does.

What we build for Boston companies.

Bio / Life Sci

Biotech & lab software

LIMS extensions, trial-management tools, and AI for research pipelines, validated for regulated environments.

Healthcare

Healthcare & HIPAA-ready apps

Patient-facing portals, clinician tools, and care-coordination platforms built to HIPAA from day one.

Fintech

Fintech & payments platforms

Customer-facing apps, ledgers, and risk pipelines for regulated, data-heavy products.

AI

AI applications

Copilots, RAG, search, and agents grounded in your data, with guardrails and evals.

Product

SaaS platforms

Multi-tenant products with auth, billing, and dashboards — MVP to scale.

Internal

Internal tools & copilots

Operations tooling that replaces the spreadsheet-and-tribal-knowledge workflow.

Senior, on-shore, AI-accelerated

A senior team that moves at AI speed.

You work with senior engineers in Eastern Time who own architecture, compliance posture, and quality — fitting into the rhythms of a Cambridge biotech, a Kendall startup, or a Seaport finance team — not a junior pool with raw AI output bolted on.

Hiring senior engineers in Cambridge, Kendall, or the Seaport takes months and competes directly with biotech-scale comp packages. An AI-native team gets you shipping this week, scales monthly, and doesn't fight over the same fifty candidates everyone else is chasing.

Talk to an engineer

Traditional Boston dev shop vs. AI-native.

Traditional AgencyDEV.co (AI-native)
Time to working softwareMonthsDays to weeks
CostFull senior rates, all hoursLower — AI removes the rote work
Code qualityGood (if senior)Same bar — every change reviewed
AI riskContained by senior review + tests
You own the codeUsuallyAlways — full repo on day one
Scales with youSlow to staff upFlex up or down monthly
2–3×
faster than traditional development
1 wk
to a working prototype
100%
code ownership at handoff
30 days
post-launch support included

Common questions from Boston teams.

Do you work with Boston companies?
Yes — we serve Boston and New York City companies with senior, on-shore engineers in Eastern Time. Most collaboration is remote-first, with on-site available for kickoffs and key milestones.
Do you build for HIPAA, GxP, or other regulated environments?
Yes. We architect for HIPAA from day one — encryption, access logging, audit trails — and we've worked with GxP-adjacent lab software. We won't sign off on your compliance; we'll build code that your compliance team can audit without rewriting.
Can you ship into a validated (GxP) environment?
We build code that fits cleanly into a validated workflow — IQ/OQ/PQ-friendly documentation, e-signature support, change-controlled releases — but we don't deliver validation. Your validation team signs off; we make their work straightforward instead of impossible.
Is AI-built software production-ready?
Yes — when a senior engineer reviews every output, adds tests, and hardens it. The horror stories come from shipping raw AI code unsupervised. We don't, and we support what we ship.
Will we own the code?
100%, from day one. We deliver to a repository you control — no proprietary platform, no lock-in.
How fast can we start?
Usually within days. A short scoping call defines the build, the timeline, and a fixed quote.
Can you work with our existing team?
Yes — we augment in-house teams, review their work, and set standards, or run the build end to end. We flex to how you work.

Let's build it — Boston.

Tell us what you're shipping. We'll give you a senior engineer's read, an honest timeline, a fixed quote, and tell you whether AI-native is the right fit for your build.