Software Services
End-to-end product engineering — we build, modernise and scale software platforms with one accountable partner from inception to production.
- ISO 9001:2015
- IEC 62443-4-1 (SDL)
- OWASP ASVS
Crest builds, modernises and scales software products for enterprises across banking and financial services, retail and healthcare — from core banking and insurance platforms to omnichannel retail systems and clinical applications. Cross-functional teams cover the full delivery spectrum: new product builds, platform modernisation, and migration of legacy systems into scalable, cloud-ready architectures — one accountable partner across the whole software lifecycle.
Capabilities
- Product engineering & modernization
- Core banking & insurance platforms
- Java / Python / .NET / React
- Cloud & DevOps
- Mobile applications
- QA & testing
- Legacy system modernization
What this service covers
New product builds
Greenfield platforms taken from inception to production: architecture, build, launch and operation — web, backend and mobile — with the engineering decisions documented as they're made.
Core banking & insurance platforms
Engineering for BFSI systems where downtime is a regulator conversation: core banking integrations, policy administration, payments flows and the testing depth financial platforms demand.
Omnichannel retail & commerce
Retail systems that hold together across store, web and mobile: commerce platforms, order management, inventory visibility and the integration layer between them.
Healthcare & clinical applications
Patient-facing and clinical workflow applications built with the data-protection and validation discipline health information requires.
Legacy modernisation & cloud migration
Incremental replacement of ageing systems that cannot simply be switched off — strangler-pattern migrations, characterisation testing, and re-platforming onto scalable, cloud-ready architectures with reconciliation evidence.
QA, testing & DevSecOps
Test engineering as a first-class discipline — automation frameworks, performance and security testing — running on CI/CD pipelines with security gates your auditors can inspect.
How we deliver software
The numbering below maps to actual engagement stages — each stage has an entry criterion, a deliverable and a decision point.
- Stage 01
Discovery & architecture
Short, senior-led discovery producing an architecture decision record, a delivery plan and an honest estimate — including what we recommend you not build.
- Stage 02
Foundation sprint
Pipeline, environments, security gates and a walking skeleton in production-like infrastructure before feature development starts. This is where DevSecOps is established, not retrofitted.
- Stage 03
Iterative delivery
Two-week increments from the Bengaluru team with UK/Germany architectural ownership. Working software every sprint, demoed against acceptance criteria you defined.
- Stage 04
Hardening & transition
Performance, security and failure-mode testing; operational runbooks; and structured handover to your team or into a Crest sustained-engineering arrangement.
What you walk away with
- Working software in production, with the pipeline and infrastructure-as-code that built it
- Architecture and decision records your own engineers can pick up
- Legacy systems retired on a plan — with data migrated and reconciled, not abandoned
- A measured, honest view of technical debt and what it costs to carry
Discuss a software services engagement
Tell us where you are — a tender requirement, a gap assessment finding, a product that needs building — and we'll respond with a concrete view on scope, approach and effort.