Java Tech Lead - Lisboa - 25/05/26

Local ( distrito, região): Lisboa Função: Java Tech Lead Nível: SR Data de início: ImediatoDuração da contratação: 1 ano Portuguese |Inglês B2Act as the technical focal point of the project.-Maintain and evolve the solution’s cloud‑native architecture, based on microservices, APIs, and event‑driven patterns, ensuring cloud‑agnosticism and support for Active‑Active topologies, with a critical and constructive mindset.-Ensure that developments are aligned with the defined architecture, from solution design through to production deployment.-Perform regular code reviews, promoting engineering best practices, clean code, and automated testing as guarantees of solution quality.-Define and manage technical debt, prioritizing critical fixes and refactors.-Ensure non‑functional quality attributes: performance, resilience, security, observability, and platform scalability.-Support the design of high‑availability (active‑active) strategies, data consistency, and disaster recovery.-Promote technical documentation (architecture, decisions, standards, development guides) and ensure its continuous update.You must have:-Java expertise: deep knowledge of Java (recent versions) and solid experience with Spring Boot (ideally also Spring Cloud).-Cloud‑Native Architect: proven experience in designing distributed systems, microservices patterns, event‑driven architectures, containers, and container orchestration.-Strong knowledge of microservices management and patterns (circuit breaker, saga, retries, API gateway, service discovery, observability patterns, service mesh, REST, gRPC, etc.).-Hands‑on experience with event‑driven architectures and messaging/streaming (Pulsar, Kafka, RabbitMQ, or similar technologies for asynchronous processing).-Knowledge of active‑active topologies, geo‑distribution, fault tolerance, and high‑availability design.-Experience with distributed databases and database engines (SQL and/or NoSQL), as well as data consistency models (eventual, strong, compensation patterns).-Solid understanding of application and API security (authentication/authorization, OAuth2/OpenID Connect, secrets management, hardening).-Experience with continuous integration/continuous delivery (CI/CD) tools and DevOps practices.Nice to have:-Experience in legacy‑to‑cloud‑native system migration projects.-Experience with observability (centralized logging, metrics, distributed tracing) and SRE.-Previous experience in payment solutions, instant payments, or mission‑critical financial systems.-Knowledge of standards and formats in the payments domain (e.g., ISO 20022, SEPA Inst).-Cloud and/or Cloud Architecture and/or Kubernetes certifications.