Empregos de java backend engineer scalable apis em Aveiro

99X Technology in Lisbon is looking for a Backend Java Engineer to design and maintain scalable backend services. The role involves building robust solutions, ensuring code quality, and optimizing performance. Successful candidates will have over 3 years of experience, strong expertise in Java, Quarkus, and Spring Boot, along with excellent problem-solving...

Naphora Games Group is seeking a Senior Backend Engineer to design, build, operate, and scale robust backend systems for world‑class games. This fully remote role aligns with our Saudi schedule and involves API development, AI integrations, and scalable architectures. You will collaborate across engineering and product teams, ensure reliability, and...

A dynamic tech startup in Portugal is seeking a Senior Full-Stack / Backend Engineer to develop scalable backend APIs and assist with frontend components. The role involves working on innovative projects and requires proficiency in Python and JavaScript, along with experience in API design and database management. The ideal candidate should be self-motivated...

Mindera in Aveiro seeks a Senior Java AI Engineer to design scalable microservices and implement autonomous AI agents within enterprise applications. You will integrate LLM-powered features and ensure robust, secure, and observable systems across platforms. The role requires strong Java/Spring Boot experience, familiarity with agentic AI, LangChain, and...

Meld is seeking a product-minded Senior Java Backend Engineer to join our remote-first team, building scalable services and APIs that power AI and blockchain workloads on AWS. You will own feature development from design to production, design high-performance APIs, and mentor engineers while improving architecture and observability. This role supports CET...

Senior Java Backend Engineer We’re looking for a product-minded Senior Backend Engineer to join our team and lead the development of reliable, high-performance infrastructure powering cutting-edge AI and blockchain applications. You’ll work primarily in Java to build scalable services and APIs that run seamlessly in production on AWS, supporting...

Codacy is seeking an Intermediate Backend Software Engineer to work on our core cloud engine and CLI/IDE tools. We operate remotely, asynchronously when possible, with strong emphasis on clear written communication and thoughtful reviews. Day-to-day you will contribute to product squads, own features end-to-end, design and optimize Scala services for...

Air Apps is a fully remote company building mobile apps with a global team. We seek a Back-end NodeJS Developer to design, develop, and maintain server-side solutions supporting front-end teams and third-party/cloud services. You’ll work on NoSQL/SQL databases (MongoDB, PostgreSQL) with a focus on performance and security. Join a fast-growing startup with...

Olisipo procura profissionais para desenvolver e manter componentes de software em Java e Python voltados a provisão e ativação de serviços de telecomunicações. Você irá trabalhar com soluções de orquestração via a plataforma NOSSIS Fulfillment, desenhar bases de dados relacionais e NoSQL, além de criar interfaces e APIs para integração entre...

A fast-growing SaaS company in Portugal is seeking a Backend and Systems Engineer for a full-time remote role. You will be responsible for implementing and maintaining backend services, primarily using Python and FastAPI. The ideal candidate has 3+ years in software engineering, strong backend skills, and experience with cloud platforms. This position offers...

A fast-growing SaaS company is looking for a Backend Engineer in a full-time remote role. The successful candidate will design and maintain backend services, contribute to core microservices, and tackle complex production issues. Applicants should possess over 3 years of experience in backend development, particularly with Python, and have a solid...

Naphora Games Group is seeking a Senior Backend Engineer to design, build, operate, and scale robust backend systems. This role is hands-on across services, APIs, databases, integrations, and production systems, with a focus on building reliable and scalable solutions that can support large user bases and growing workloads. This is a fully remote position...

A tech company is seeking a Senior/Lead Backend Developer to scale its backend infrastructure. The ideal candidate has over 5 years of experience in backend development, strong knowledge of AWS, and is comfortable with DevOps tasks. The role allows working remotely and requires alignment with the UK timezone. This position offers the chance to lead a...

Elastic in Portugal is seeking a Senior Java Developer to join the Elasticsearch team and drive the Inference API work. You'll maintain plugin framework and REST API, collaborating with inference and Kibana teams. You should have 5+ years of production Java experience, strong API design skills, and hands-on work with concurrency and low-level Java. This...

Elastic is seeking a Senior Java Developer to join the Elasticsearch team and drive work on the Inference API. You will maintain the plugin framework and REST API, collaborating with the inference and Kibana teams to deliver robust integrations and scalable services across Elastic Cloud and hosted environments. You will design and implement features across...

Neotalent Conclusion is seeking a Python Backend Engineer to design, develop and evolve scalable backend solutions. You will build robust APIs and microservices, and ensure high-quality delivery with CI/CD and cloud-native technologies. You'll collaborate with cross-functional teams to design maintainable architectures, ensure security, performance, and...

Mindera is seeking a seasoned Java Developer to join our Porto team. You will define and deliver iterative solutions with a focus on scalable, maintainable software and world-class user interactions. You’ll mentor engineers, own code end-to-end, and help drive the architectural direction across projects. We value lean, self-organising teams, and...

Quais Serão As Tuas ResponsabilidadesDesenvolvimento da componente de Backend em Java com BDs relacionais e NoSQL;Enviar-me por email GuardarÉs apaixonado por tecnologia?Gostas de novos desafios?Estás à procura de projetos inovadores?Quais Serão As Tuas ResponsabilidadesDesenvolvimento da componente de Backend em Java com BDs relacionais e...

Adentis Portugal is seeking a Backend GraphQL Engineer to develop, maintain, and optimize GraphQL APIs for a fully remote, international environment. You will design schemas, integrate data sources, and ensure secure, scalable access to services. You will collaborate with frontend and architecture teams, implement automated tests, and contribute to...

Xpertsoft in Portugal is seeking an experienced Backend Engineer to design, develop, and maintain scalable applications using Java and Spring Boot. You will architect microservices and build event-driven systems with Kafka, while delivering high-performance APIs using gRPC and deploying on Kubernetes. The role emphasizes Hexagonal Architecture, agile...