Senior 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 Senior Java Engineer, you will be a core contributor to our distributed financial platform - going beyond coding to actively shape architecture, drive engineering excellence, and help build systems that are scalable, observable, and regulation-ready. You will join at a stage where the platform is evolving fast and the right engineers will grow with it - toward Tech Lead or Staff Engineer roles.

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 and develop high-load, distributed backend services for financial operations Work on core payment flows, callbacks, reconciliation, and transaction lifecycle management Participate in architecture discussions and contribute to system design decisions Implement observability across services - logging, metrics, and distributed tracing Improve system reliability, fault tolerance, and overall platform resilience Drive code quality, testing strategy, and engineering best practices across the team Collaborate closely with Product, DevOps, and Architecture teams Contribute to the platform's evolution toward AI-assisted and data-driven capabilities What We’re Looking For 6+ years of strong, production Java experience Deep expertise in the Spring Boot ecosystem Solid understanding of distributed systems and microservices architecture Experience building high-load or financial systems - payments, banking, or fintech Strong REST API design skills and hands-on experience with messaging systems Solid SQL skills; PostgreSQL experience preferred Familiarity with cloud environments, CI/CD pipelines, and observability tooling Clean Code mindset - SOLID principles, maintainability, and genuine ownership Comfortable working asynchronously in a distributed, international team Nice to Have Exposure to Open Banking or regulated payments environments Experience with Camunda or other workflow orchestration engines Understanding of PCI DSS compliance requirements Experience with event-driven or event-sourcing architectures Interest or hands-on experience with AI/ML applied to backend systems 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.