Custom software
Software Engineering
Serious custom software engineering for problems that don't fit off-the-shelf tools. Clean architecture, rigorous testing, performance, and long-term maintainability are first-class requirements — not afterthoughts. We build systems that last and that change gracefully as your business does.
Engineered to production standard · fully owned
The problem
Off-the-shelf tools stop where your hardest problems start — and quick contractor builds rot into systems nobody can safely change.
Our approach
We engineer custom software for the long term: clean architecture, real test coverage, and performance treated as a requirement.
Software that was thought through.
Clean architecture, real test coverage, and a team that stays long after launch.
- TargetTest coverage
- 95%
- TargetCycle time
- −50%
- TargetThroughput
- 2×
- TargetCode you own
- 100%
Figures are targets we engineer to on a typical engagement — not averaged client results.
Engineering, not assembling
- Design
- Build
- Test
- Review
- Ship
Our own product
QBISA
A next-generation ERP for companies of up to 10,000 employees
Read the case studyWho this is for
Complex, high-stakes logic
Pricing engines, compliance rules, or domain logic that's too important to trust to a template or a quick contractor build.
Teams stuck with fragile legacy
Re-engineer a system nobody can safely change anymore into one your team can extend with confidence.
Businesses whose core system must last
Get architecture, tests, and documentation that outlive any single hire — so the system survives team changes.
Where teams put it to work
Complex domains
High-stakes logic — pricing, calculations, compliance — done correctly.
Legacy rebuilds
Re-engineer aging systems into maintainable, modern ones.
Core systems
The system your business actually runs on, built to last.
Why this, why now
The system nobody can safely change becomes the ceiling on your business.
Every quarter a fragile core system survives untouched is a quarter of features, hires, and roadmap decisions quietly constrained by it. Engineering it right the first time is cheaper than every rewrite after.
Typical timelines
Ballpark, for a focused first version — not a guarantee, a starting point for scoping.
- Focused module or service rebuild3–5 weeks
- Core domain system (pricing, compliance logic)6–10 weeks
- Legacy system re-architecture10–16 weeks
- Full platform re-engineering16+ weeks
How we build Software Engineering
Model
Understand the domain and model it properly before writing code.
Engineer
Clean architecture, typed boundaries, and tests as first-class citizens.
Harden
Performance, security, and edge cases — handled, not deferred.
Sustain
Documentation, CI/CD, and support so it changes gracefully over years.
What we ship
- Custom backends & APIs
- Complex domain & business logic
- Data models & migrations
- Test suites & CI/CD
- Performance & security hardening
- Documentation & handover
Typical stack
- TypeScript
- Go
- Python
- PostgreSQL
- Docker
- CI/CD
Questions, answered
Meaningful coverage on critical paths, integration tests, and CI gates — tests that prevent regressions, not vanity metrics.
Yes. We frequently stabilize and re-engineer systems that were started elsewhere.
We operate and support what we build. We don't disappear at handoff.
Tell us about your Software Engineering project
Let's turn it into something that earns its place in production.
A specialist reads every message personally — usually within one business day.
Need software built to last?
Book a strategy call. We'll discuss your goals, the architecture, and how we'd build it.