Empregos de java backend engineer scalable apis em Lisboa

1GLOBAL is looking for a backend engineer to join our Lisbon-originating team working on Network API, xSIM Management System, and Recording Platforms. You will contribute to scalable, secure architectures and end-to-end feature delivery. We value 3+ years of backend experience, strong Go or Java, and hands-on with databases and microservices. This role...

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...

sa.global Group is seeking a Senior AI Platform Engineer in Porto to design and operate production-scale APIs, data pipelines, and backend services powering empower's enterprise AI platform. You will integrate LLM tools, manage data flows into the Business Knowledge Graph, and ensure reliability, performance, and security across cloud-native deployments. ...

Mobrand, located in the heart of Lisbon, is seeking a Java Backend Web Developer. This role involves developing innovative software and creating user-friendly products for clients within a dynamic, motivated team. The ideal candidate will have experience with Java and modern backend technologies, strong communication skills, and a degree in Computer Science...

A Ankix, com mais de 25 anos de experiência no setor tecnológico, procura um Software Engineer – Backend (M/F) para posição híbrida em Lisboa. Procuramos alguém com formação em Engenharia informática e pelo menos 3 anos de experiência em backend. Irá trabalhar com C#, .NET, ASP.NET Core, Azure, DevOps, Kubernetes, APIs escaláveis e...

Alviere is seeking a Software Engineer to join a green-field REST API project within the fintech platform. You will design and implement services, collaborating with a talented team to deliver high-quality code and scalable architectures. The role emphasizes secure software practices, testing, and modern tech like Go/Python/JavaScript, MySQL, and CI/CD,...

55 Tech is seeking a Backend Developer to join our growing team. You will work on our odds feed API infrastructure, manage and optimize databases, and contribute to our scraping network. The role targets performance-sensitive environments with a focus on reliability and latency. A strong background in Python and databases, plus a collaborative,...

Air Apps, a Lisbon-based AI-driven Personal & Entrepreneurial Resource Planner, is seeking a Backend Software Engineer to design, build, and maintain server-side components powering core features. You will collaborate with product managers, frontend developers, and cross-functional teams to deliver robust, scalable backend services for rapid growth. Air...

A strategic consultancy firm in Lisbon is looking for a backend developer with extensive experience in web solutions. You will be responsible for developing secure and scalable APIs, collaborating with frontend teams, and ensuring compliance with security requirements. Candidates should have significant experience with .NET Core, Docker, and databases like...

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...

55 Tech is seeking a Backend Developer to join our growing team. You will work on our odds feed API infrastructure, manage and optimize databases, and contribute to our scraping network. The role targets performance-sensitive environments with a focus on reliability and latency. A strong background in Python and databases, plus a collaborative,...

A Lisbon-based tech firm is seeking a Backend QA Engineer to ensure the reliability and performance of their backend systems. The ideal candidate will have 2-3 years of experience with backend technologies, including Node.js and TypeScript, and familiarity with testing practices and SQL databases, particularly PostgreSQL. The role involves collaboration with...

Rain is seeking a Senior Software Engineer to manage their backend platform, focusing on API integrations and product accessibility. The role is remote and demands at least 5 years of experience in engineering, strong proficiency in backend languages like Go/Golang and Python, and experience with large scale distributed systems. The ideal candidate will be...

Alviere is seeking a Software Engineer to join a green-field REST API project within the fintech platform. You will design and implement services, collaborating with a talented team to deliver high-quality code and scalable architectures. The role emphasizes secure software practices, testing, and modern tech like Go/Python/JavaScript, MySQL, and CI/CD,...

A Ankix, com mais de 25 anos de experiência no setor tecnológico, procura um Software Engineer – Backend (M/F) para posição híbrida em Lisboa. Procuramos alguém com formação em Engenharia informática e pelo menos 3 anos de experiência em backend.Irá trabalhar com C#, .NET, ASP.NET Core, Azure, DevOps, Kubernetes, APIs escaláveis e arquitetura...

A strategic consultancy firm in Lisbon is looking for a backend developer with extensive experience in web solutions. You will be responsible for developing secure and scalable APIs, collaborating with frontend teams, and ensuring compliance with security requirements. Candidates should have significant experience with .NET Core, Docker, and databases like...

Air Apps, a Lisbon-based AI-driven Personal & Entrepreneurial Resource Planner, is seeking a Backend Software Engineer to design, build, and maintain server-side components powering core features. You will collaborate with product managers, frontend developers, and cross-functional teams to deliver robust, scalable backend services for rapid growth. Air...

sa.global Group is seeking a Senior AI Platform Engineer in Porto to design and operate production-scale APIs, data pipelines, and backend services powering empower's enterprise AI platform. You will integrate LLM tools, manage data flows into the Business Knowledge Graph, and ensure reliability, performance, and security across cloud-native...

Mobilunity is seeking a Team Lead Java Engineer to lead a backend engineering team building scalable, secure systems for a nonprofit platform. You will guide architectural decisions, mentor engineers, and deliver features across a microservices-based backend. The role requires strong Java and Spring expertise, hands-on implementation, and experience with...

Grupo DATA procura engenheiro(a) de back-end Java para desenvolver, analisar e otimizar aplicações com Spring Boot, mantendo APIs e microserviços, e contribuindo para pipelines CI/CD. A posição exige experiência com Java, Spring Boot, JavaScript, Node.js, HTML, Maven e Oracle, além de ferramentas de qualidade de código e IA, com inglês B1/B2 e...