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bluesheep
bluesheep
Fintech Engineering

Correctness, security and audit are requirements, not afterthoughts

In financial software, close enough is a breach, a fine, or a lost customer. We pin down settlement rules, reconciliation and audit obligations during discovery, then build so every transaction is right, traceable, and reliable under load.

What we build

Correct before fast

  1. Our belief

    A system that is right

    Money movement is designed to be provably correct and fully auditable, with reconciliation and audit trails treated as core features rather than reporting bolted on at the end.

  2. 01

    Digital banking platforms

    Account, transfer and customer experiences on a core built for accuracy and continuous availability.

  3. 02

    Payment systems

    Gateways, merchant platforms and processing engineered to stay correct at volume and under retry.

  4. 03

    Digital wallets

    Secure payments, transfers and balances that stay consistent across every device a customer uses.

  5. 04

    Lending platforms

    Automated eligibility, disbursement and repayment, auditable end to end for both you and your regulator.

  6. 05

    Cross-border and multi-currency

    Remittance and international payments that reconcile correctly across rails and settlement windows.

How we eliminate delivery risk

In financial systems, correctness is not a quality attribute

It is the requirement. These four are pinned down in discovery, not discovered mid build.

  • Compliance risk

    Settlement rules, reconciliation and audit obligations are written into the discovery document you sign off, so your compliance owner reviews them before Sprint 1, not after launch.

  • Audit risk

    Ledgers are append only and every state change is traceable, so an auditor's question is answered out of the system rather than reconstructed from memory.

  • Security risk

    Encrypted stores, segregated environments and access logging are established from Sprint 0. Security here is part of the architecture, never a hardening pass before go-live.

  • Correctness risk

    Money paths carry their own test plans, reviewed at every milestone, so a settlement or rounding mismatch surfaces in a sprint demo while it is still a configuration change.

Tech stack & architectural standards

Boring, auditable, and proven under load

Financial platforms are not where a stack should be interesting. Every choice here is defensible to a regulator.

Core services
TypeScriptPythonPostgreSQLRedis
Frontend & web
Next.jsReactTailwind CSSTanStack Query
Cloud & delivery
AWSDockerKubernetesTerraformGitHub Actions

Build financial technology that earns trust and keeps it

  • Ship AI tools
  • Take a prototype to production
  • Stand up cloud infrastructure
  • Build a payments platform
  • Extend my engineering team
  • Audit my architecture
  • Rebuild a legacy system