Backend Developer Jobs
Companies need backend developers for APIs, payments, CRM, reporting, data handling, and internal systems.
Private role pages
AI Engineer — Trading Operations
Hybrid, London, United Kingdom
Build AI-supported trading workflows that improve reconciliation, explain P&L movements and strengthen the integrity of multi-asset operational data. Workplace: London, United Kingdom.
Backend Software Engineer — C# and .NET
Gzira, Malta
Build backend services and distributed systems using C#, .NET Core, Redis and Microsoft SQL Server. Workplace: Gzira, Malta.
Blockchain Compliance AI Backend Product Engineer
Hybrid, London, United Kingdom
Develop AI-assisted backend tools supporting digital-asset compliance investigation workflows. Workplace: London, United Kingdom.
Consumer Payment Services Backend Engineer
Hybrid, Milan, Italy
Build scalable consumer payment services using Java, Spring Boot and cloud microservices. Workplace: Milan, Italy.
FinTech Backend Engineer — Berlin, Germany
Germany — Berlin
Backend engineering role focused on financial workflows, payment processing, reporting and compliance-oriented product integrations.
High-Throughput Blockchain API Backend Engineer
Hybrid, Bucharest, Romania
Develop reliable backend APIs and distributed systems for blockchain infrastructure. Workplace: Bucharest, Romania.
iGaming Retention Platform Backend Engineer
Hybrid, Warsaw, Poland
Develop scalable gaming retention, loyalty and player communication backend services. Workplace: Warsaw, Poland.
Payment Platform Backend Software Engineer
London, United Kingdom
Develop resilient backend services and APIs supporting payment processing infrastructure. Workplace: London, United Kingdom.
Senior Backend Engineer, Risk Decision Data
Hybrid, Berlin, Germany; London, United Kingdom; Iași, Romania
Build data infrastructure for real-time credit and risk decisions, owning Python cloud services from architecture through production response.
Senior DeFi Platform Backend Engineer
Hybrid, New York, United States
Build scalable shared backend services for decentralized exchange and blockchain applications. Workplace: New York, United States.
Senior Global Payments Platform Java Engineer
Hybrid, Amsterdam, Netherlands
Build scalable Java and Kotlin microservices supporting international payment acceptance. Workplace: Amsterdam, Netherlands.
Senior Local Payment Methods Backend Engineer
Hybrid, Berlin, Germany
Develop reliable backend services and integrations for regional payment methods. Workplace: Berlin, Germany.
Senior Sportsbook Distributed Backend Engineer
Hybrid, Warsaw, Poland
Develop scalable backend services supporting sportsbook and live betting product experiences. Workplace: Warsaw, Poland.
SME Card Issuing Authorization & Rewards Backend Engineer
Hybrid, London, United Kingdom
Build low-latency issuer-side card authorization, credit holds and rewards payment services. Workplace: London, United Kingdom.
Software Engineer — Gaming Data Delivery
Hybrid, Tallinn, Estonia; Tartu, Estonia
Build dependable gaming data-delivery software, combining integration engineering, production ownership and verified development practices. Workplace: Tallinn, Estonia; Tartu, Estonia.
Stablecoin Settlement & Secure Ledger Backend Engineer
Singapore
Build secure stablecoin transaction, signing and multi-chain ledger services for global payments. Workplace: Singapore.
Staff Payment Gateway Backend Infrastructure Engineer
Hybrid, London, United Kingdom
Set technical direction for low-latency payment gateway, routing and payout backend services. Workplace: London, United Kingdom.
Usage-Based Payments & Billing Backend Software Engineer
Hybrid, Warsaw, Poland
Build correctness-critical cloud billing, metering and payment backend services. Workplace: Warsaw, Poland.
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