Fintech systems
Operational financial software designed around the real movement, matching, and correction of money.
- Billing and accounting automation
- Transaction reconciliation and remediation
- Financial platform and ledger integrations
Mission-critical fintech software, built on .NET.
Soulv designs and operates the financial systems behind billing, accounting integrations, transaction reconciliation, and remediation.
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Selected work
Two areas of expertise. Nothing vague.
We work where financial operations and .NET engineering meet. That focus keeps our advice practical and our systems understandable.
.NET engineering
Senior architecture and delivery for business-critical .NET systems that must stay correct as they evolve.
- Domain-driven application architecture
- Testable APIs and backend services
- Modernisation of complex .NET estates
Correctness matters most when money is moving.
Our work sits inside live financial operations. We design for traceability, maintainability, and calm ownership after launch, not just the first release.
- 180k
- vendors supported by a rewards and transaction platform
- 100+
- .NET systems brought into reliable deployment automation
- 2011
- the year Soulv began focused software delivery
Relevant work
A small selection of financial platforms and complex .NET delivery work.
Don't take it from us.
Fintech and .NET delivery, seen through the systems and teams we have supported.
Backend operations and API platform for a national rewards program.
Flash
Fintech and merchant services
Testimonial
Domain-driven .NET software shaped around real operational decisions.
Business Mapper
.NET domain modelling
Product work
Reliable deployment automation across more than 100 systems in a large .NET estate.
.NET delivery systems
Complex .NET modernisation
Service area
Reward balances and supplier campaigns for a field network of 180,000 vendors.
Flash Bonus Balances
Rewards, campaigns, live transaction streams
Platform work
Need a fintech or .NET expert?
Tell us about the financial system, integration, or .NET problem that needs careful ownership.
Talk to us