backend engineer

Client Server Limited is seeking a Backend Software Engineer to build and operate production-grade infrastructure tooling using Python or Golang. You will work on deployment automation, observability, data streaming, and orchestration with Docker and Kubernetes. A strong emphasis on reliability, scalability and maintainability guides every task. Based in...

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...

Newfire Global Partners seeks a Senior Back-End Engineer to strengthen our Engineering team. You will work on C#/. NET services and integrate with Odoo and Dynamics GP within Azure-based enterprise systems. You’ll enhance REST APIs, data workflows, and system reliability, collaborating with product and operations to deliver scalable solutions for luxury...

Based in Lisbon, this is a rare chance to join a small, fast-moving team of real team players at a profitable sports data company. Their product is a sharp one: a real-time odds infrastructure that pulls data from hundreds of bookmakers and serves it to hedge funds, market makers and major European bookmakers, who trade on it. The API is the product, and...

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...

Blip, part of Flutter Entertainment, is hiring a Backend Engineer in Porto. You’ll work in an agile team, owning parts of the backend lifecycle from design to deployment. Expect high-concurrency, transactional workloads and a platform used by millions of users worldwide. You will apply Java and related technologies, with exposure to Scala, Kafka, and...

Inetum, a European leader in digital services, seeks a Java Backend Engineer to join a strategic program focused on Third-Party Reference Data Management in Porto, Portugal. You will design and scale robust backend architectures, leverage Java and the Spring ecosystem, and contribute to data governance initiatives. You will implement APIs and microservices,...

Elasticsearch B. V. is seeking a Senior Software Engineer to drive backend design for the Streams data pipeline and Logstash. The role focuses on building scalable services, contributing to Open Telemetry, and supporting enterprise customers in a distributed, remote-first environment. You will work with Java, Golang and Ruby across Logstash plugins and core...

Inno Wave in Lisbon is seeking a dynamic AI Engineer to design, develop and maintain scalable backend solutions that leverage AI. You will translate business requirements into robust software while collaborating with engineers, architects and product teams. The role demands hands-on backend experience, cloud familiarity, and a disciplined approach to CI/CD...

Allianz in Lisbon is hiring a Senior Golang Software Engineer to design and build a Go-based g RPC microservice platform. You will craft high-performance backend code, enforce strong API boundaries, and participate in architectural discussions that shape our distributed systems. This role emphasizes secure design, code quality, and rigorous reviews in a...

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 Apps...

IRIUM Portugal in Lisbon is seeking a Senior Java Back End to join a challenging project, taking a key role in the design and development of scalable, high-performing software solutions using modern frameworks and Agile practices. The role is hybrid, with 3 days per week in the office in Lisbon. Salary ranges from €3,300 to €3,700 gross per month, with...

Blip is a leading tech company focused on software engineering solutions for sports entertainment. As part of Flutter Entertainment, we support online sports betting and i Gaming for over 14 million monthly customers. You will join an agile team as Senior Backend Developer, guiding a small team on large tasks spanning components, and shaping technical...

Elastic, the Search AI Company, is seeking a backend-focused engineer to join the Observability Streams program. You will help build high-performing ingestion pipelines for telemetry data and develop scalable backend solutions across cloud providers, ensuring reliable data routing to Kibana and other destinations. You will own projects end-to-end, mentor...

Scrambly is seeking a Senior Backend Engineer to build core systems that power millions of users worldwide. You will design and maintain scalable Node.Js APIs and distributed services, ensuring reliability and performance, while bridging product requirements with technical reality. You will mentor engineers, drive code quality, and collaborate with Product,...

Riskified seeks a Backend Developer to design and maintain scalable APIs and connectors linking third-party platforms to Riskified’s product suite. You will drive AI-enabled onboarding, automate workflows, and collaborate with Product and Domain experts to translate complex risk and policy logic into clean software architecture. You will own daily...

Wolters Kluwer is seeking a Senior Backend Developer to drive cloud migration of core products using. NET, C#, and Azure. You will work in a hybrid Porto-based team, developing scalable services, APIs, and data interactions with modern tech stack. You will collaborate with architects, product owners, and peers, mentoring juniors and delivering high-quality...

Smartex is seeking a Backend Engineer to join its Software Team in Porto. You will build scalable web applications, write robust code, and collaborate with cross-functional teams to deliver features for industrial AI-powered fabric inspection. You should bring 4+ years of backend experience with Node.Js, REST APIs, and SQL, plus a strong testing mindset and...

Vigil365 Limited is seeking a Ruby engineer to join our cross-functional squad responsible for high-scale, customer-facing services. You will contribute to new features, evolve architecture, and ensure operational reliability in a cloud-based environment. The role values collaboration, autonomy, experimentation, and shared ownership, shaping technical...

A Balanças Marques, com mais de 50 anos de experiência, desenvolve equipamentos com software integrado e procura um Developer Backend. Reportará ao Gestor de Projeto e integrará uma equipa global para definir arquitetura e evoluir o código. Vais colaborar com frontend, trabalhar com tecnologias como AWS Cloud e Docker, em ambiente ágil, com...