
Banking
Modernize the systems your customers
rely on without disrupting operations
Legacy banking systems slow innovation and increase operational risk. We help financial institutions modernize with architectural visibility, governed execution, and phased delivery, reducing technical debt while keeping critical services running.
Proven across complex software ecosystems

Gartner® Recognition
Devsu was recognized in the 2026 Gartner® Magic Quadrant for Technical Debt Management Tools, validating our approach to architecture-level technical debt analysis and AI-assisted remediation.
Every new product you ship adds complexity underneath it.
Without governance, it compounds faster than you can
manage it
You're adopting AI across fraud prevention, underwriting, personalization, and real-time payments. All of it depends on modern, well-governed architecture connecting your platforms to the systems that hold the bank assets and member data.
But your institution carries decades of brittle integrations and undocumented logic. AI accelerates software creation and technical debt creation in equal measure. The gap between what your platforms promise and what your legacy architecture can deliver keeps widening.
You no longer need a one-time legacy cleanup. You need to keep control of a system that gets more complex every day.
We modernize the custom code and integration between your platforms and your core. The one no vendor dares to touch
You've invested in powerful platforms for AI, data, payments, and digital banking. The problem is in the connective tissue between them: custom applications, unstable integrations, and undocumented services built over multiple years. That's exactly what we modernize.
You've invested in powerful platforms for AI, data, payments, and digital banking. The problem is in the connective tissue between them: custom applications, unstable integrations, and undocumented services built over multiple years. That's exactly what we modernize.
The custom code and connections your institution built over the years — modernized, documented, and kept healthy as the system evolves.
Modernized around and into. No forced rip-and-replace.
Governed modernization for
highly regulated organizations
Most modernization projects start with interviews and stale documentation. Ours starts with your actual codebase.
Velx maps your real architecture
Most modernization projects start with interviews and stale documentation. Ours starts with your actual codebase.
The map stays live through execution
It doesn't get filed away after the assessment. It stays connected to your roadmap and your engineers as the work progresses, so your understanding never drifts out of sync with the system.
Senior engineers build from full context
Forward Deployed Engineers embedded in your environment with the full architectural map from day one. Not consultants doing months of archaeology. Engineers building the right thing from day one.
Continuous governance prevents new debt
As old debt clears, we keep your architecture healthy going forward — so you're not running the same cleanup project again in five years.
Three phases. each one designed
to pay for itself before the next one begins
Gain complete architectural visibility
A living map of your real system: full dependency analysis, technical debt quantification, and risk assessment. Fixed scope, measured in weeks.
Turns insights into an
executable plan
A board-ready modernization plan, sequenced by risk, investment, and business priority — connected to the living map, so it stays current.
Execute with governance
built in
Modernized systems your team can own. Engineers work inside a governed context. New debt stays out while old debt clears.
Modernization that actually understands
the regulated environment of the financial institution
Engineering capacity without new hires
Free up the time your team spends keeping fragile connections alive. That capacity goes back into building the products your business is asking for.
Volume growth without operational chaos
Automate manual reconciliation and exception handling. Avoid the staffing those volumes would otherwise require.
Compliance-aware from the start
Architectural documentation, audit trails, and risk assessment built into the engagement — aligned to the oversight standards banks, credit unions, and insurers answer to.
Zero-disruption discipline
Mission-critical systems modernized in phases with full architectural visibility at every stage. Production operations continue without interruption — the same discipline we brought to a 20-year automotive system.
Measurable outcomes in the
systems enterprises depend on
90% reduction in discovery time.
We mapped the full dependency structure across a banking group's core, navigating decades of accumulated technical debt and producing a modernization roadmap in weeks.
50% Faster planning cycles
With a living system map, planning became faster and more confident.
The system only one person
truly understands is your biggest risk
Protect against attrition
You likely have money-moving systems built over 10 to 15 years that one or two people truly understand. When they leave, the only map of that system leaves with them. A living architectural map is your insurance against that.
Unlock what comes next
AI in production, real-time products, fintech partnerships — all of it requires a modern, well-understood foundation. Fix the foundation and you multiply the value of everything built on top of it.
Turn vendor surprises into planned work
When a core or platform vendor changes an API, undocumented systems break without warning. Architectural visibility turns those surprises into scheduled tasks.
Built to clear security reviews
Every engagement comes with ISO 27001-certified processes, secure-by-default pipelines (including SAST and dependency scanning on every build), and examination-ready evidence as standard.
We're also SOC 2 Type 2 compliant and maintain an open-audit posture, allowing your security team to review our controls directly. Security reviews happen in parallel with delivery — not as a blocker to progress.
Partners:
Security:
Recognitions:
Ready to see your real system?
See how our proven approach helps regulated organizations modernize with confidence—or explore how we solve similar challenges across other industries.