Middle Java Developer

About Us Peratera is a UK-based fintech company, founded in 2022 and authorised by the FCA as an Electronic Money Institution. We are building a modern, all-in-one payment platform that enables businesses to manage global payments and financial operations seamlessly. Our solution allows companies to open multi-currency accounts, send and receive payments worldwide, and manage cross-border transactions from a single platform. Our mission is to simplify global finance and remove friction from international business operations. Your mission As a Middle Java Engineer, you will be part of the team building and evolving the core services behind our financial platform. This is a hands-on engineering role where you will have the opportunity to contribute to technical decisions, improve existing solutions, and help shape the future of product. Your Tech Environment You will work in a modern, cloud-native stack with clear ownership and no legacy surprises: Backend: Java 17+, Spring Boot (Core, Security, Data, Cloud), REST APIs, event-driven services, Camunda Infrastructure: AWS (EKS, RDS, CloudWatch), Docker, Kubernetes, GitLab CI/CD Data & Messaging: PostgreSQL, AMQP / Kafka-style message brokers, event-driven architecture Observability: OpenSearch / ELK, Prometheus / Micrometer, OpenTelemetry (in progress) Integrations: Open Banking providers, banking partners, external payment systems What You’ll Do Design, develop, and maintain core platform services, including payment flows, transaction lifecycle, reconciliation, and wallet infrastructure Participate in architecture discussions and contribute to technical solutions aligned with the overall platform direction Write clean, maintainable, and well-tested code following established engineering standards Collaborate with other engineers through code reviews, knowledge sharing, and technical discussions Translate business and technical requirements into reliable and scalable backend solutions Work closely with Product and DevOps teams to deliver financial features end-to-end Contribute to the platform's evolution toward AI-assisted and data-driven capabilities Help improve platform reliability, fault tolerance, observability, and performance at scale What We’re Looking For 3+ years of commercial experience with Java in production environments Hands-on experience with the Spring Boot ecosystem and backend application development Deep expertise in the Spring Boot ecosystem and distributed systems at scale Experience working with distributed systems and developing scalable backend services Experience building or supporting financial products, such as payments, wallets, banking, or fintech solutions Good understanding of software engineering practices, including clean code, testing, and code reviews Strong experience with REST API development and messaging systems Comfortable working in a distributed, international team and collaborating asynchronously Familiarity with cloud environments, CI/CD pipelines, and observability tooling Nice to Have Previous experience in fintech, banking, payments, EMI, or other regulated financial environments Familiarity with payment-related compliance requirements, including PCI DSS Exposure to Open Banking providers or integrations with payment schemes Experience with Camunda or other workflow orchestration tools Fully remote setup with flexible hours and an international, highly skilled team What You’ll Get Competitive, market-aligned compensation - discussed openly at first interview Direct impact on architecture and strategic platform decisions from day one A real fintech platform running at production scale - not a demo environment Exposure to modern cloud-native, AI-assisted, and Open Banking systems Fully remote setup with flexible hours and an international, highly skilled team Sounds like a match? Send us your CV - we’re excited to get to know you. About us Peratera is a UK-based fintech company, founded in 2022 and authorised by the FCA as an Electronic Money Institution. We are building a modern, all-in-one payment platform that enables businesses to manage global payments and financial operations seamlessly. Our solution allows companies to open multi-currency accounts, send and receive payments worldwide, and manage cross-border transactions from a single platform. Our mission is to simplify global finance and remove friction from international business operations. www.peratera.com