Senior Java Technical Lead

Timestamp

Java Developer working with microservices and cloud-native architectures at Timestamp. Collaborating on technical projects and ensuring high-quality software delivery.

Posted 5/9/2026full-timeLisboa • 🇵🇹 PortugalSeniorWebsite

Tech Stack

Tools & technologies

CloudGRPCJavaKafkaKubernetesNoSQLPulsarRabbitMQSpringSpring BootSpringBootSQL

About the role

Key responsibilities & impact

Act as the project's technical focal point
Maintain and evolve the solution's cloud-native architecture, based on microservices, APIs and event-driven patterns, ensuring provider agnosticism (cloud agnostic) and support for Active-Active topologies, with a critical and constructive mindset
Ensure development alignment with the defined architecture, from solution design through production rollout
Conduct regular code reviews, promoting engineering best practices, clean code and automated testing, as guarantor of solution quality
Define and manage technical debt, prioritizing critical fixes and refactors
Ensure non-functional quality: performance, resilience, security, observability and scalability of the platform
Support the design of high-availability (active-active) strategies, data consistency and disaster recovery
Promote technical documentation (architecture, decisions, patterns, development guides) and ensure its continuous upkeep.

Requirements

What you’ll need

Java expertise: deep mastery of Java (recent versions) and solid experience with Spring Boot (ideally also Spring Cloud)
Cloud-native architect: proven experience designing distributed systems, microservice patterns, event-driven architectures, containers and container orchestration
Strong command 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
Experience in legacy-to-cloud-native migration projects
Experience with observability and SRE
Certifications in Cloud and/or Cloud Architecture and/or Kubernetes.

Benefits

Comp & perks

Health insurance
Flexible work routine
Training and certifications
Employee Support Program (covering 5 areas, including psychological support)
Birthday and tenure rewards
Monthly happy hour
Benefits portal with attractive offers

ATS Keywords

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Hard Skills & Tools

JavaSpring BootSpring Cloudmicroservicesevent-driven architecturecontainerscontainer orchestrationdistributed databasesAPI securityCI/CD

Soft Skills

critical mindsetconstructive mindsetengineering best practicestechnical documentation

Certifications

Cloud ArchitectureKubernetes