Top Software Engineer Jobs in Lisbon

As a Staff Frontend Engineer, you will lead frontend feature delivery, collaborate across teams, ensure high-quality UI, and mentor junior engineers for the AI Copilot organization.

Design, operate, and optimize a large-scale distributed architecture and microservices. Troubleshoot production issues and improve API gateways, ensuring system reliability and performance. Engage in CI/CD improvements and contribute to service decoupling.

Design, build, test, deploy and maintain scalable, resilient backend microservices for high-traffic marketplace verticals (Demand, Supply, Fulfilment). Collaborate cross-functionally, improve product quality, and ensure APIs and databases meet availability and latency goals.

As a Backend Software Engineer, you'll design, develop, and improve backend services within a growing Agile team, focusing on high availability and customer satisfaction.

Responsible for developing and maintaining backend services with a focus on REST APIs, collaborating with a team, and ensuring code quality.

As a Software Engineer, you will help train large language models by ranking and repairing code, ensuring correctness and efficiency while providing feedback to enhance training processes.

The role involves training large-language models to improve code generation, reviewing and editing AI-generated code, and providing feedback for reinforcement learning refinement.

As a Software Engineer, you will help train large-language models in code evaluation and training, focusing on Ruby, with an emphasis on code review and improvement.

Responsible for training large-language models by reviewing, ranking, and improving AI-generated code. Requires strong software engineering skills.

The Senior Software Engineer will enhance egress connectivity in Cloudflare's network services, collaborate across teams, and support system health and operations.

The role involves building impactful features, contributing to architecture design, advocating code quality, mentoring juniors, and fostering best practices in an Agile environment.

The Senior Fullstack Engineer will design, implement, and deliver AI-powered frontend and backend features, ensuring high quality and performance while collaborating with cross-functional teams.

As a Software Engineer, you will collaborate with stakeholders, support your squad, ensure code quality, and develop cloud-first solutions.

Design, implement, and improve features for Percona Server and related products. Diagnose defects, contribute to community solutions, and mentor team members.

Design and build observability features for macOS. Lead end-to-end feature development, solve challenges in telemetry, and mentor other engineers.

As a Staff Software Engineer, you will design and implement solutions for complex technical challenges, mentor junior engineers, and lead cross-functional projects, focusing on security tools in the AI era.

The Senior Software Engineer will collaborate to design and implement scalable applications, focusing on backend development with Java and Spring Boot while ensuring high-quality code and a strong user experience.

The Staff Backend Software Engineer will develop clean code, mentor engineers, lead technical decisions, and ensure application quality and documentation at Enhesa.

Develop and maintain applications using Java, collaborate with teams to optimize solutions, conduct code reviews, and mentor junior developers while ensuring compliance with best practices.

Maintain and enhance software applications, support cross-functional teams, conduct code reviews, develop REST web services, troubleshoot issues, and mentor junior developers.

The role involves building self-service platform services using Go, automating operational workflows, scaling Kubernetes, and ensuring reliability in cloud environments.

Develop and deliver software features for media projects, participate in requirements, testing, documentation, troubleshooting, and client communication. Mentor junior engineers, share knowledge, follow release processes, and suggest platform/process improvements.

Build and maintain backend-first features and integrations for Triptease's marketing channels. Work across the full stack (primarily backend), design scalable distributed systems, implement CI/CD on cloud platforms, collaborate closely with product teams, pair program, write tests (TDD), and contribute to squad strategy and product quality.

As a Senior Backend Engineer at Mapped, you'll develop ETL pipelines, GraphQL and gRPC APIs, and scalable systems for a data platform.

The role involves developing test plans and automated test cases, participating in scrum ceremonies, and ensuring quality delivery of features through the software testing lifecycle.