performance engineer

Siemens Mobility operates a Software Development Center in Aveiro, Portugal, seeking a Rust Developer (m/f/d) to join the DevOps team working on seat-finding and pricing systems for trains and buses. The role emphasizes performance, reliability, and continuous improvement across a Java/Kotlin/Go/JS tech stack. The successful candidate will contribute to...

Aubay Portugal is seeking an experienced database administrator to design, implement and operate highly available MariaDB clusters for real-time systems. You will optimize SQL, implement backup/recovery, and support data architecture with development teams. The role is hybrid and comes with training, comprehensive health coverage, dental care, language...

EPAM Systems is seeking a talented C++ Developer to join their Electronic Equities team. This role involves contributing to high-performance trading systems and requires regular office visits in Lisbon or Porto, two days per week. The ideal candidate will have strong experience in modern C++, software design principles, and hands-on development in Linux....

Aubay Portugal is seeking an experienced database administrator to design, implement and operate highly available MariaDB clusters for real-time systems. You will optimize SQL, implement backup/recovery, and support data architecture with development teams. The role is hybrid and comes with training, comprehensive health coverage, dental care, language...

Xelerate is seeking an experienced backend engineer to architect and build a high-performance Data Service Layer and API-first adapters. You will unify legacy calculation engines into a centralized platform and define a Canonical Product Data Model. You will work with ASP.NET Core, REST/GraphQL APIs, and advanced asynchronous patterns while integrating...

EPAM Systems is seeking a talented C++ Developer to join their Electronic Equities team. This role involves contributing to high-performance trading systems and requires regular office visits in Lisbon or Porto, two days per week. The ideal candidate will have strong experience in modern C++, software design principles, and hands-on development in Linux....

Kodly is excited to invite applications for a position based in Porto, Portugal. The ideal candidate will have experience in automated test writing as well as strong foundations in performance testing and BDD principles. This role offers a competitive salary package, health insurance, and the chance to work on internationally recognized projects. The team...

Aubay Portugal is seeking an experienced database administrator to design, implement and operate highly available MariaDB clusters for real-time systems. You will optimize SQL, implement backup/recovery, and support data architecture with development teams. The role is hybrid and comes with training, comprehensive health coverage, dental care, language...

Kodly is excited to invite applications for a position based in Porto, Portugal. The ideal candidate will have experience in automated test writing as well as strong foundations in performance testing and BDD principles. This role offers a competitive salary package, health insurance, and the chance to work on internationally recognized projects. The team...

Kodly is excited to invite applications for a position based in Porto, Portugal. The ideal candidate will have experience in automated test writing as well as strong foundations in performance testing and BDD principles. This role offers a competitive salary package, health insurance, and the chance to work on internationally recognized projects. The team...

HN Services Portugal is seeking a software professional familiar with the full software design life cycle. The candidate should have experience in designing, coding, testing and consistently managing applications, and be comfortable coding in multiple languages with the ability to test code to maintain high-quality software. Responsibilities include...

Wise Pirates is seeking a Frontend Developer to build websites and e-commerce stores using Shopify and WordPress/WooCommerce. You will work across the product life cycle in a high-performing team, crafting not just templates but interactive experiences. You will ensure performance budgets, accessibility per WCAG 2.1 AA, and collaborate with design, UX, and...

Blip.pt is seeking a Backend Engineer to join our Porto team. You will work on scalable Java-based services, leveraging Scala, Kafka, Akka and other technologies in a fast-paced Agile environment. You'll contribute to the full software lifecycle, emphasizing clean design, tests, and deployment in a CI pipeline. You will collaborate with Product Owners and...

Taleo Consulting is hiring a Data Engineer to join a Procurement & Performance Data Analytics & AI team in Lisbon. You will design data schemas, model data structures, manage releases and migrations, monitor databases and support data infrastructure initiatives. Key responsibilities include automating releases, code reviews, and advising on complex data...

Simplesurance Gmb H in Lisbon and Berlin is seeking a Software Engineer to design and build a Go-based microservices platform with a focus on secure API design and high availability. You will contribute to a scalable backend powering multiple applications, participate in design reviews, and help shape API boundaries. The role requires strong Go experience,...

Carrier Global Corporation in Matosinhos, Portugal seeks a QA Dev Ops Engineer to lead quality automation strategy, build robust test pipelines and performance tests, and collaborate closely with engineering teams to ensure reliable software releases. The role focuses on integrating continuous testing into CI/CD, driving automation initiatives, and raising...

Siemens Mobility in Aveiro, Portugal, is seeking a Rust Developer (m/f/d) to join our software development center. You will work on a Rust backend paired with a React frontend, deployed on Kubernetes, with Git Lab CI/CD and monitoring tools in a multi-country team. The role emphasizes performance, secure development and high availability, offering growth...

Aghanim, based in Lisbon, is searching for a Senior Frontend Engineer to join their team and build high-performance web applications for games. The ideal candidate has over 5 years of frontend development experience and a strong command of React and Next.Js. This role involves designing scalable architecture and ensuring optimal performance in high-load...

A tech-first powerhouse is seeking Senior/Principal Node Engineers to join a fully remote team across Europe. You will tackle ambitious technological challenges, handling over 100 million transactions daily. The ideal candidate will have substantial experience with Node.Js and Type Script in high-scale microservices and a strong knowledge of cloud...

99 X Technology in Lisbon is looking for a Backend Java Engineer to design and maintain scalable backend services. The role involves building robust solutions, ensuring code quality, and optimizing performance. Successful candidates will have over 3 years of experience, strong expertise in Java, Quarkus, and Spring Boot, along with excellent problem-solving...