BFSI & Fintech
Secure, auditable software for banks, NBFCs and fintechs.
We build and modernise customer journeys, back-office systems and data platforms where reliability, security and audit trails matter most. Traceability from requirement to release is part of how we deliver.
- Auditable by design
- Legacy-friendly
- AI with governance
Free 30-minute call with a senior specialist. Reply within one business day. Based in Jaipur, working with businesses across India.
- Discovery callFree 30 minutes with a senior specialist
- Scoped first phaseWritten scope, timeline and fixed price
- Build with weekly demosWorking software you can see every week
- Launch and supportGo-live with your team ready, then ongoing support
What do BFSI companies need from a technology partner?
Banks, NBFCs, insurers and fintechs need a partner that treats security, audit trails and uptime as design inputs, and can work alongside legacy cores. Stack18 delivers enterprise software, modernisation and governed AI on the Agentic SDLC, with traceability from requirement to release. Security and compliance requirements are agreed with your teams before build starts.
You need better systems when…
Tap the ones that apply to you.
BFSI & Fintech systems, end to end.
Each capability is delivered by the same team on the Agentic SDLC, with your approval at every critical step.
Digital onboarding and journeys
Application, onboarding and servicing journeys on web, app and WhatsApp.
- Guided onboarding
- Document capture and checks
- Status tracking for customers
Loan and policy operations
Workflow and approvals that remove manual hand-offs.
- Configurable workflows
- Maker-checker approvals
- Complete audit trails
Core modernisation and integration
Wrap, integrate or replace ageing systems in phases.
- API layer over legacy cores
- Phased migration
- Cloud and DevOps foundations
Data, risk and governed AI
Dashboards and AI assistants with access control, logging and human approval.
- MIS and reporting
- Collections analytics
- Private, governed AI
A typical BFSI & Fintech engagement, step by step.
Senior people lead every phase. Specialised AI agents on the Agentic SDLC handle the repetitive work, and nothing ships without your approval.
Discover
Map journeys, systems and control requirements.
Design
Architecture, integrations and security design.
Build
Weekly releases with traceable requirements and tests.
Launch
Phased release, monitoring and handover.
Start small. Scale when it works.
Every engagement begins with a short, fixed-price step so you can judge the fit before committing further. See pricing.
Discovery Sprint
Teams deciding what to build first.
- Duration
- 2 weeks
- Pricing
- Fixed price
- Scoped plan and timeline
- Team and fixed price
- Process map or prototype
Ready-made Solution Launch
Teams that want to go live fast.
- Duration
- 3–5 weeks
- Pricing
- From ₹1.6L, one-time
- Pre-built modules
- Configuration and data migration
- Training and support
Transformation Pod
Multi-year programmes across the business.
- Duration
- 12–36 months
- Pricing
- Annual contract
- Dedicated cross-functional team
- Quarterly business reviews
- One accountable partner
Where BFSI & Fintech teams see the biggest difference.
Regulated businesses usually start with one journey or one integration, then extend in phases.
NBFC
- Challenge
- Loan applications move through email and spreadsheets.
- What we do
- A digital application-to-disbursal workflow with approvals and an audit trail.
12 weeks
Fintech startup
- Challenge
- A secure product to launch before the next funding milestone.
- What we do
- MVP with cloud foundations, security reviews and a release pipeline.
12 weeks
We agree targets before we start.
Every engagement has a baseline and a target on the measures that matter to you, reported at every read-out.
BFSI & Fintech questions.
How do you handle security and compliance?
Security and compliance requirements are scoped with your risk and IT teams before build starts. Our security and AI governance page explains how approvals, access and audit trails work. Ask us on the first call which controls and certifications apply to your engagement.
Can you work with our legacy core banking or policy system?
Yes. We usually add an API layer, integrate and replace in phases, so you avoid a big-bang cutover.
Can AI be used safely in a regulated business?
Yes, with the right guardrails: private deployment where required, access controls, logging and human approval for decisions that matter.
Do you work with fintech startups as well as institutions?
Yes. Startups often use our fixed-price MVP route, while institutions use phased programmes or dedicated pods.
Do you build software for BFSI & Fintech businesses in Jaipur and across India?
Yes. Stack18 is headquartered in Jaipur, Rajasthan, and works with BFSI & Fintech businesses across India. You get a free 30-minute call, a fixed-price first step and working software every week, so the engagement works the same whether you are in Jaipur or elsewhere.
Often combined with.
Start from ready-made systems such as FinOps OS and AI Enterprise OS. Extend them with enterprise software development and legacy modernization. Browse all industries and all Stack18 services.
FinOps OS
Payables, receivables, reconciliation and tax compliance for Indian finance teams. 29 modules from ₹2.4L.
See editions and prices →Accelerate with a pre-built solutionAI Enterprise OS
Private AI, knowledge and department agents with governance built in. 24 modules from ₹3.2L, live in 4–5 weeks.
See editions and prices →Product EngineeringEnterprise Software Development
Secure, scalable platforms built to work with the systems you already run.
Explore →ModernizationLegacy Modernization
Modernise ageing systems in phases, without a big-bang cutover.
Explore →Let's scope your BFSI & Fintech project.
Tell us where you are and where you want to be. A senior specialist will reply within one business day with next steps.
- Free 30-minute consultation
- Indicative estimate after the call
- NDA available on request