Empregos de java backend engineer scalable apis em lisboa

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-focused consultancy is looking for a developer with at least 5 years of experience in Java or similar OOP languages, proficient in high concurrency/high transactional platforms. The ideal candidate will support and mentor colleagues, possess fluency in English, and have a passion for problem-solving. This role holds significant importance in...

Devoteam is a global leader in Digital Transformation, seeking a Java developer to design, build, and maintain robust software solutions in Lisbon. You will work with product teams, designers and analysts to translate requirements into scalable systems, while promoting best coding practices and test coverage. Required +3 years in Java, strong SQL skills...

A tech-focused consultancy is looking for a developer with at least 5 years of experience in Java or similar OOP languages, proficient in high concurrency/high transactional platforms. The ideal candidate will support and mentor colleagues, possess fluency in English, and have a passion for problem-solving. This role holds significant importance in...

A European consulting company is looking for an experienced Software Engineer to support projects for large companies in Lisbon. The ideal candidate will have at least 5 years in software engineering and 3 years with JAVA technologies. Responsibilities include designing software systems, implementing solutions, and maintaining technical documentation. This...

A 27 N, agência Shopify Select Partner em Lisboa, procura um Backend Developer para trabalhar em regime híbrido na cidade. Será responsável por desenvolver APIs, integrar Shopify e sistemas externos, desenhar modelos de dados e gerir automações e filas. Procuramos alguém com sólida experiência em Node.js ou Python, design de APIs REST/GraphQL, 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...

Sensor Tower procura um Back End Engineer (Mid/Sr) com foco em Ruby para fazer parte de sua plataforma de inteligência digital, em Lisboa. O papel envolve trabalhar em operações de dados em grande escala, APIs REST e otimização de consultas para suportar usuários globais. Você fará parte de uma equipe que valoriza simplicidade, qualidade e...

Air Apps is seeking a Backend QA Engineer in Lisbon to ensure reliability, performance, and scalability of our backend systems. You will test APIs, databases, and services while collaborating with engineers to uphold high-quality standards across our infrastructure. The role is fully onsite at our Lisbon office, with openness to relocation support. The...

Air Apps in Lisbon is seeking a seasoned Backend Software Engineer to design, build, and maintain server-side components powering our AI-driven PRP platform. You'll work with product managers, frontend developers, and cross-functional teams to deliver robust, scalable backend services. Ideal candidates have 5+ years in backend roles, strong...

Emotion Mobility is a PSG-backed global SaaS leader in fleet and mobility management, powering operations for hundreds of enterprise clients worldwide. Our Lisbon office supports a fast-growing, product-led culture with modern tooling and a focus on shipping high-quality software. As a Backend Developer, you will design, build, and maintain web applications...

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...

A Arbe-it procura um Junior Java Back-End Developer para integrar equipa dedicada ao desenvolvimento e manutenção de serviços de backend para Checkout, MyAccount e ODR Processing em Lisboa. O candidato ideal tem sólida experiência em Java, APIs e microsserviços, com interesse em ampliar competências num ambiente colaborativo, com orientação de...

A tech company based in Lisbon is seeking an experienced Software Engineer to work in a B2B or freelance capacity. You will collaborate with diverse teams, automate processes, and contribute to high-quality software development. The ideal candidate has over 7 years of experience in Java and related technologies, along with strong communication skills. This...

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...

A Arbe-it procura um Junior Java Back-End Developer para integrar equipa dedicada ao desenvolvimento e manutenção de serviços de backend para Checkout, MyAccount e ODR Processing em Lisboa. O candidato ideal tem sólida experiência em Java, APIs e microsserviços, com interesse em ampliar competências num ambiente colaborativo, com orientação de...

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...

Capgemini Engineering in Lisbon, Portugal, is seeking a seasoned Java/Spring Boot engineer to join a world-leading engineering services team. You will design and implement scalable backend services, APIs, and integrations, collaborating with architects and senior technical leaders to shape solutions. We value 5+ years in Java, strong REST and CI/CD...

Axians is the VINCI Energies brand dedicated to Information Technology and Digital Transformation. With an international presence and a people-to-people approach, we combine technology, innovation, and proximity to create real impact for organizations and society. As a Backend Developer, you will design, develop and maintain scalable backend services...

Capgemini Engineering is seeking a Java Software Engineer in Lisboa to design, develop, and maintain scalable backend applications using Java and Spring Boot in a cloud-native environment. You will implement asynchronous messaging with RabbitMQ, deploy and monitor services in AWS, and contribute to RESTful API design and distributed systems. Strong...