Senior Java Backend Developer (Fintech)

Salary Range: Self-employed: 310k gross, Employment Contract: 220k gross (open to discussion) Company: UnSpot Format: remote Location: RF

Focus: Integration of corporate digital banking for legal entities with the digital ruble platform and government services. We are looking for a strong senior-level backend engineer with experience in complex integrations, enterprise architecture, and banking systems.

🔥 What is especially important:

Experience with the digital ruble — HUGE PLUS OR experience with integrations: — SBP (Faster Payments System) — Gosuslugi (Public Services) — GIS GMP (State Information System of State and Municipal Payments) — other government/banking systems

Strong Java Backend

— enterprise backend — integration services — highload / banking systems

Mandatory experience:

— XML / SOAP / XSD — cryptography (CryptoPro / VipNet / GOST) — electronic signatures — secure integrations

Architectural level:

— solution design — integration description — ability to defend technical solutions before the team

💡 Will be a plus:

— corporate digital banking for legal entities — audit trail — Camunda — C4 / UML — enterprise security experience

📌 Experience Requirements:

— 6–7+ years of commercial experience — 4+ years in banking or with a physical sciences/engineering background (MS/PhD level)

⚙️ Stack:

Java • SOAP • XML • XSD • CryptoPro • VipNet • ГОСТ • ЭП • Camunda • enterprise integration

💬 We are looking for not just a developer, but a mature engineer who knows how to:

— design; — make technical decisions; — work with complex banking integrations; — understand enterprise security.