Senior Software Engineer for Remote AI Training Projects

Ethos is sourcing Senior Software Engineers to help train a leading AI language model on software development tasks. The role focuses on creating, evaluating, and refining AI-generated work across core software engineering workflows, with a strong emphasis on system design and architecture. We seek candidates with 5+ years at top tech companies, excellent...

Grupo QuintoAndar seeks a Staff Software Engineer to drive technical execution in a remote-first setup with optional São Paulo office access. You will tackle high-impact distribution problems, architect scalable systems for real-time ML processing, and guide teams through an AI-first pivot. Expect to work with Java, Kotlin, Node.js, Go, Python, React, and...

Sovos is hiring a Senior Software Engineer (AI Platform Adoption) in Portugal to drive adoption of our Core and AI Platform capabilities. You will work hands-on with engineering teams, embedding to accelerate delivery and ensure code ships with quality and confidence. You will help codify best practices, author reusable guidance, and establish AI coding...

Zego is hiring Senior Software Engineer for Portugal (Lisbon) with a remote-first model and quarterly visits to the London office. The role focuses on building Python microservices, scalable architectures, and owning backend systems to deliver real business value. The team emphasizes AI-driven infrastructure, fast delivery, and ownership. Compensation...

Open Earth Foundation is hiring an AI Native Senior Software Engineer to ship infrastructure and climate services. You’ll leverage AI coding tools to write, review, and refactor code, embracing open source principles to maximize global impact. You will collaborate with product teams, data engineers, and designers, operating in a fully remote,...

Grupo QuintoAndar is seeking a Staff Software Engineer in Portugal to drive technical execution for a remote-first, AI-powered platform. You will design scalable microservices, shape architecture, and push for low-latency, data-driven systems. You will mentor engineers, own end-to-end delivery, and collaborate across teams to deliver robust backend...

Promptly Health, based in Portugal, is looking for a Senior Software Engineer to build and evolve healthcare data infrastructure. The role focuses on integrating AI and working with distributed data across various healthcare platforms. We value strong software engineering experience, modern web application stacks like Python and React, and the ability to...

ClickHouse is seeking highly skilled software engineers for its AI/ML Engineering team in Porto, Portugal. You will design, build, and operate AI/ML products end-to-end, ensuring robust production systems and developer-friendly tools within the ClickHouse Cloud platform. We value 5+ years in production software, experience with AI/ML tech, and strong API...

Neotalent Conclusion is seeking a Senior AI Software Engineer to join our Framework & Research environment. You will design, fine-tune, deploy and optimize AI/ML solutions, bridging software engineering with cutting-edge AI across business areas. You will work on prompts, proofs of concept, data analysis and scalable cloud-native architectures, with a...