DEV.co
Jersey City, NJ · Custom Software + AI

Custom software for Jersey City — built the AI-native way.

We pair senior engineers with an AI-accelerated delivery model to design, build, and ship custom software far faster than a traditional shop — without the fragile, unreviewed code 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.

Jersey City anchors the Hudson waterfront — home to deep financial-services back-office operations, fast-growing fintech and B2B SaaS scenes, and a steady stream of NYC-tech relocations. Senior hires are six figures plus equity, months out, and picked over by financial-services employers, NYC-based fintech firms, and the venture-backed challengers around them. AI changes the math, but only when senior people own the parts AI gets wrong.

AI is genuinely good at the repetitive 70% of software work: scaffolding, boilerplate, CRUD, first-draft UI, test stubs, glue code. It is dangerously unreliable at the other 30%: architecture, security, edge cases, and knowing when its own output is wrong. Teams that ship raw AI code learn this in production.

We build for Jersey City operators — fintech and trading-firm internal tools, B2B SaaS shipping into mid-market and enterprise buyers, real-estate and PropTech platforms, AdTech and media-tech tools, and modernization of decades-old enterprise stacks. 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: unparameterized SQL on a trade-ticket query → fixed + audit-log entry + parameterized test// ✓ merged: 4-eyes review on ledger writes, idempotency keys on settlement
Every change
AI velocity + human judgment
tests + security review built in
you own 100% of the result

On a Jersey City fintech or AdTech build, the failure modes are unparameterized queries, missing audit trails, and silent reconciliation drift — exactly what senior review catches before SOC 2 or NYDFS does.

What we build for Jersey City companies.

Fintech

Fintech & payments platforms

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

Real Estate

PropTech & real-estate software

Listing platforms, tenant portals, and operations tools for owners, brokers, and managers.

Product

SaaS platforms

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

Media / AdTech

Media & AdTech platforms

Content systems, audience analytics, and ad-stack tools that survive the privacy reset.

AI

AI applications

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

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 who own architecture and quality — not a junior pool with raw AI output bolted on. We communicate in Eastern Time and integrate with your tools and cadence.

Jersey City's senior engineers are part of the New York-metro pool — six figures plus equity, three to six months out, and constantly recruited by FAANG, hedge funds, and well-funded fintechs. An AI-native team gets you shipping inside a week, scales monthly, and doesn't ask for a Hudson-waterfront office lease.

Talk to an engineer

Traditional Jersey City 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 Jersey City teams.

Do you work with Jersey City companies?
Yes — we serve Jersey City, Newark, 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 regulated finance (SOC 2, NYDFS 500, PCI)?
Yes. We've shipped software into SOC 2-audited environments and NYDFS 500-scoped products, and we design with the audit trail in mind from day one — not bolted on at the end. We don't certify you; we build code that survives your certifier's questions.
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 — Jersey City.

Tell us what you're trying to ship. We'll give you an honest recommendation, a timeline, and a fixed quote — and tell you if AI-native is the right fit or not.