Software · Modernization Engineering

Re-platform legacy systems, slice by slice.

Java 8 → 21. .NET monolith → React + microservices. On-prem → AWS / GCP / Azure. No big-bang rewrite. No frozen feature roadmap. Strangler-fig migration with zero downtime - your team keeps shipping while we modernise.

Monolith → Microservices, strangler-fig pattern
.NET / Java / PHP / jQuery → React + Node + TypeScript
On-prem → AWS / GCP / Azure (lift-and-shift OR replatform)
You own the code, day one - repo + infra transferred

Send your current stack - we'll send a plan 15 min, no SDR

Modernization timeline · BFSI client

12yr

Legacy age

Modules cut over

Downtime hrs

100%

Audit retained

⚙️

Slice 1 · Auth moduleStrangler routed · 2 weeks

Done

⚙️

Slice 2 · ReportingReact UI + Node API · live

Done

⚙️

Slice 3 · Core ledgerIn progress · 4 weeks

Active

Why slice-by-slice

Big-bang rewrites kill businesses.

Strangler-fig pattern

Wrap legacy app behind a router. Cut each module over to modern stack one at a time. Old + new run side-by-side until done.

Zero downtime

Production users see no change during cutover. We use feature flags + DB replication + canary rollouts. Old stack stays warm as fallback.

Roadmap stays live

Your team keeps shipping features on the legacy app. We modernise underneath. No "code freeze for 6 months." Business continues.

Six modernization patterns we ship

What gets re-platformed, and how.

Monolith → Microservices

Domain-driven decomposition. One bounded context at a time. Async events via Kafka / RabbitMQ.

.NET → React + Node

WebForms / WPF / Razor → React + Node + TypeScript. SQL Server data layer preserved.

Java upgrade

Java 8 → 21 (LTS jump). Spring Boot major-version migration. Dependency CVE clean-up included.

On-prem → Cloud

AWS / GCP / Azure. Lift-and-shift first, then refactor for cloud-native (managed DB, S3, IAM, secrets).

jQuery → Next.js

Server-rendered React replaces jQuery + spaghetti DOM. SEO + performance + maintainability fixed in one shot.

PHP → Node

Legacy PHP (CodeIgniter / CakePHP) → Node + TypeScript + Express / NestJS. Same MySQL keeps working.

Real engagement

What you get in the first 4 weeks.

Most modernisation projects fail because the team can't articulate "what's done after week 4." Ours can.

Week 1: Architecture audit + strangler routing plan
Week 2: First slice scoped + CI/CD pipeline + observability baseline
Week 3: First slice live in production behind feature flag
Week 4: Canary rollout · 5% → 50% → 100% traffic to new slice

Modernization · slice rollout

Feature flag · auth_v250% traffic · 0.2% error rate

Canary

p95 latency-38% vs legacy

Better

Legacy fallbackWarm · 50% traffic still on it

FAQ

Things teams ask before signing.

How long does a typical modernisation take?

3–9 months depending on system size. We scope the first 4 weeks in detail, give a phased plan for the rest. Fixed-bid per slice. You see real working code every 2 weeks.

Can we keep shipping new features during migration?

Yes - that's the whole point of strangler-fig. Your team keeps releasing on the legacy app. We modernise underneath. Old + new coexist until cutover is complete.

What about our data?

Data layer typically stays intact. We add an abstraction layer (repository / ORM) so new stack reads the same database. Schema migrations happen incrementally, behind feature flags.

Compliance / audit?

RBI · SEBI · IRDAI · GDPR - all audit trails preserved end-to-end. We've shipped for regulated entities in BFSI and insurance.

Send us your current stack

Tell us what's legacy. We'll send a real plan.

BFSI, manufacturing and EdTech teams in India + Romania have re-platformed legacy systems with us. Send your tech stack + roadmap - we'll come back with a slice-by-slice plan, fixed quote per slice, and the engineer who'll lead it.

Send your brief Talk to an engineer · 15 min