Top Software Engineer Jobs in Portugal

Design and evolve systems for Motion's infrastructure, focusing on reliable and secure operations across APIs, Linux systems, and cloud environments with a focus on hands-on coding and engineering judgment.

As a Go Software Engineer for Identity Management, you will design, implement, and enhance identity management solutions, collaborate with a distributed team, and contribute to the development of authentication and authorization systems.

The Senior Software Engineer will lead the development of a Python-based platform, enhancing a mature system for open-source collaboration, mentoring teams, and driving innovation.

Lead technical direction and implementation for Revenue Intelligence: design and deliver customer-facing web apps, backend APIs, event-driven services, data pipelines, analytical stores, and recommendation workflows. Improve reliability, security, observability, and scalability; modernize legacy systems; mentor engineers; drive architecture, operational readiness, and cross-team alignment.

Full‑stack engineer for self‑service cloud growth focusing on user and agent onboarding. Design and implement scalable frontend and backend features, APIs, data evolution strategies, and integrations with Kibana and Elastic Cloud. Collaborate with PMs, designers, and solution teams to ship production software and operationalize deployments.

Design, develop, and deploy scalable full‑stack web applications using Spring Boot and Angular in a cloud‑native environment. Own services, collaborate with product, design and security teams, mentor engineers, ensure system security, scalability and reliability, and maintain observability and CI/CD pipelines.

As a Senior Blockchain Engineer, you will design and optimize smart contracts and blockchain infrastructure, collaborate with teams to ensure secure solutions, and lead development efforts in the DeFi ecosystem. You will analyze technologies, mentor staff, and enhance performance while maintaining security best practices.

The role involves designing, developing, and maintaining high-throughput systems for the billing platform, collaborating with teams, leading technical discussions, and mentoring other engineers.

The Senior Software Test Engineer will lead test engineering initiatives, design automated test frameworks, and advocate for quality within cross-functional teams.

Seeking a Senior Full-Stack Developer to design and implement scalable applications using React.js, Next.js, Node.js, and MySQL, while driving architectural discussions and ensuring code quality.

Design, build, and scale cloud-based microservices using AWS and TypeScript. Champion testing excellence and collaborate in Agile environments while ensuring high-quality code and architecture.

Design, implement, test, deploy, and maintain cloud-native full-stack features. Collaborate with cross-functional teams, follow software engineering best practices, participate in code reviews, troubleshoot issues, and leverage AWS and event-driven architecture to build scalable, maintainable applications.

Lead development and maintenance of an IP phone configuration/provisioning server. Analyze phone config docs, implement support for new phone models, troubleshoot VoIP/SIP/network issues, optimize performance, implement analytics, and produce technical configuration guides while collaborating with Product, Development, and QA.

Design and build highly scalable, low-latency market data systems and APIs. Implement backend services, influence architecture, maintain test coverage, participate in code reviews, troubleshoot incidents, and occasionally be on-call. Work spans streaming and historical market data endpoints and developer-focused API improvements.

Design, develop, and maintain scalable backend services and contribute to frontend features. Influence architecture and technical decisions, write well-tested code using TDD, troubleshoot production issues, mentor teammates, and collaborate with Product and cross-functional stakeholders to deliver reliable, high-performance SaaS solutions.

The Senior Software Engineer will design, develop, and maintain scalable software solutions, optimize performance, contribute to architectural decisions, and troubleshoot production issues.

Join Reedsy to develop and improve a collaborative word processor, adding features and ensuring performance and security for users.

Design, build, test, and maintain scalable Java applications and APIs. Collaborate on requirements, participate in code reviews, optimize performance, integrate third-party services, document solutions, and contribute to sprint planning while following agile practices.

Develop and maintain full-stack applications using Java and Angular, design RESTful APIs and backend services with Spring Boot, build responsive UIs, ensure code quality via reviews and testing, troubleshoot issues, and contribute to scalable architecture on AWS microservices.

Design, develop, and maintain full‑stack Java/Angular applications; implement RESTful APIs and backend services with Spring Boot; build responsive UIs with Angular; participate in code reviews, debugging, and scalable architecture design; follow testing and CI/CD best practices.

Design, develop, test, and maintain scalable Java applications and RESTful APIs using OOP and frameworks (Spring/Hibernate). Collaborate on requirements, participate in code reviews, optimize performance, integrate third-party services, document solutions, and contribute to agile sprint planning.

The Staff Software Engineer will lead project delivery, understand client needs, define product requirements, and support engineering culture, with over 5 years of experience required.

As an Engineer II at Mollie, you will develop scalable financial products, design APIs, and lead initiatives from design to implementation while solving complex problems.

Design and implement core Web3 protocol features and secure smart contracts in Solidity. Integrate blockchain solutions with cross-functional teams, ensure scalability and performance, stay current on EVM internals, conduct code reviews, and mentor junior engineers.

Design, implement, and maintain Java backend services using OOP and design patterns. Build infrastructure as code with Terraform, integrate Kafka and GraphQL Federation, deploy to Kubernetes on Azure, and apply TDD with unit/integration tests. Collaborate in cross-functional teams and provide technical guidance.