Remote Open-Source Software Engineer

Hi Rasmus is seeking a deeply hands-on Principal Software Engineer to become the most senior technical individual contributor. Reporting to the Director of Engineering, this principal track role sits alongside management, shaping platform architecture and guiding teams. You will mentor senior engineers, drive complex challenges across domains, and spearhead...

Welcome to Hi Rasmus! At Hi Rasmus, people are at the heart of everything we do. Whether you're just joining us or have been part of our journey, we’re excited to have you on board! We’re on a mission to make evidence-based autism care accessible to families everywhere. Families shouldn’t have to uproot their lives to access support—that’s why we...

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Software Engineer, Quality based in Denmark. This role focuses on building the next generation of quality engineering through AI-powered testing and intelligent automation. You will design, build, and operate agents that...

Hi Rasmus Inc. is seeking a hands‑on Principal Software Engineer to shape platform architecture and mentor engineers across multiple teams. You will partner with the Director of Engineering to drive technical direction, scalability, and robust practices in a fully remote European setting. The role emphasizes real code contribution, architectural...

Base360.ai, born from The Flex, is seeking a Senior Software Engineer to build a scalable AI-powered platform for short-term rental operators. You will architect and deliver APIs, automation engines, and AI workflows that integrate with guest communications, pricing, and property operations. You’ll own end-to-end delivery and drive reliability and...

A leading payment solutions company is seeking a Senior Software Engineer in Copenhagen. This role requires strong experience in distributed systems, cloud platforms like GCP, and effective collaboration within remote teams. The engineer will design high-quality code for a cloud-native payment platform, shaping modern payment infrastructure. The position...

Lever, Inc. in Denmark is seeking a Senior Software Engineer, Quality to build AI-powered testing and intelligent automation. You will design, build, and operate agents that support test creation, execution, maintenance, evaluation, and failure triage. This fully remote role blends hands-on software engineering with test infrastructure, distributed systems,...

Full-Stack Software Engineer Location: Global, Fully Remote Job Type: Contractor | ~15 hours/week Schedule: Flexible We're looking for experienced Full-Stack Software Engineers to support an AI training project focused on software development, debugging, code evaluation, and technical problem-solving. Key Responsibilities Develop and debug front-end...

Join Tether and Shape the Future of Digital Finance At Tether, we’re not just building products, we’re pioneering a global financial revolution. Our cutting-edge solutions empower businesses—from exchanges and wallets to payment processors and ATMs—to seamlessly integrate reserve-backed tokens across blockchains. By harnessing the power of blockchain...