Senior ruby on rails developer jobs in Spain

 ...About Us Chainlink Labs is the primary contributing developer of Chainlink, the decentralized computing platform powering the verifiable web. Chainlink is the industry-standard platform for providing access to real-world data, offchain computation, and secure cross-chain... 

 ...ownership, and do whatever is needed to achieve our ambitious goals. What we are looking for : Extensive experience with React, developing performant and reusable components Proficiency with TypeScript or any typed language Experience leading large and complex... 

 ...we’d love you on the team. Visit to learn more. Are you a Senior Software Engineer with extensive programming experience? We’re...  ...a Senior Software Engineer, this position involves: Maintain, develop and introduce innovative features within our current product suite... 

 ...automate lifecycle tasks, implement security, solve production issues, and make sure everything’s running smoothly. You’ll also help developers onboard to Kubernetes and lend a hand on infrastructure maintenance about one day a week. If you’ve worked with Kafka in... 

Join Proton and build a better internet where privacy is the default At Proton, we believe that privacy is a fundamental human right and the cornerstone of democracy. Since our inception in 2014, founded by a team of scientists from CERN, we have dedicated ourselves to providing...

 ...function at Perk builds the foundations that the rest of the company depends on. We own the shared infrastructure, core services, and developer tooling that enable product teams to move fast without breaking things. Our work is often behind the scenes, but its impact is... 

 ...experience. What you will do: Be part of a small team working to bring a "privacy by default" solution to our clients on Windows. Develop an application that delights a wide range of users, from layperson to technical, and gives confidence that their online privacy is in... 

 ...Are you a talented and ambitious developer looking to make a significant impact in the AI space? We have an opportunity for you to join a dynamic and rapidly growing startup that is at the forefront of innovation in app development. The company formed in 2020, has already... 

 ...open-source  projects  here ! Purpose of the role: As a Frontend Engineer on the Drive team, you will play a crucial role in developing Proton Drive. We expect you to be customer-centric, continuously learning, passionate about technology and usability. You are an adept... 

Immerse yourself in a thriving ecosystem of cutting-edge technologies with an organisation looking to hyperscale! Since its inception in 2020, this company has embarked on an unwavering mission to pave the way for a revolutionary era of data-driven decision-making. By crafting...

 ...legislation and country-specific processes End‑to‑end implementation experience (design to go‑live) Ability to lead workshops and manage senior stakeholders Strong analytical, problem‑solving, and documentation skills Experience working within large, international... 

RED Global is currently looking for a Senior IFS ERP Finance Functional Consultant to join a long-term project within a large international organization. You will support the deployment of IFS ERP Finance (with a strong focus on Accounts Payable, Treasury and Cash Management... 

 ...Role: Senior QA / Source Technologist (Fresh Produce) Salary: c£38-40k + Performance Bonus Location: Murcia Spain Schedule...  ...retail quality standards and implementing them at source, while developing and improving product quality. What You’ll Bring:... 

 ...located in La Moraleja, in the north of Madrid. The School is divided into Pre-Prep (Pre Nursery to Year 3), Prep (Years 4 to 8) and Senior School (Years 9 to 13). Academic levels are high at Runnymede College. In June 2025, 57% of our students achieved A-A* at A level... 

 ...located in La Moraleja, in the north of Madrid. The School is divided into Pre-Prep (Pre Nursery to Year 3), Prep (Years 4 to 8) and Senior School (Years 9 to 13). Academic levels are high at Runnymede College. In June 2025, 57% of our students achieved A-A* at A level... 

 ...best practices for a broad range of world-leading organizations. A Senior Director serves as a leader within Gartner’s Business and...  ...provoking, and highly leveraged “must-have insights” content Develop new insights and ideas through thought leadership and offer compelling... 

 ...work, we’d love you on the team. Visit to learn more. At Perk, we don’t just build features; we build a global ecosystem. As a Senior TPM, you will own the long-term health and evolution of programs that fuel our Travel and Spend platforms. Your success isn't measured... 

 ...function at Perk builds the foundations that the rest of the company depends on. We own the shared infrastructure, core services, and developer tooling that enable product teams to move fast without breaking things. Our work is often behind the scenes, but its impact is... 

 ...into Pre-Prep (Pre Nursery to Year 3), Prep (Years 4 to 8) and Senior School (Years 9 to 13). Academic levels are high at Runnymede...  ...specialists, therapists and parents • Keep abreast of new developments/initiatives that will shape and inform excellent provision •... 

 ...results for our customers and the company. We're looking for a Senior Product Manager to join the "Company setup" product area within...  ...core platform enablement. Collaborate and Execute: Work with developers, designers, and other functions like Implementation, Sales Engineering... 

Innovation doesn’t happen by playing it safe, it comes from bold thinking, constant curiosity, and a willingness to challenge how things have always been done. That’s exactly the mindset this rapidly expanding European tech company is looking for in its next Principal Data ...

 ...includes Proton Drive, Photos and Docs ecosystem Current Projects:  Developing innovative productivity tools that seamlessly integrate with our...  ...the digital world. What you will do: We are looking for a Senior Product Manager to lead the next stage in the evolution of our... 

 ...,  Instagram . The role: We are looking for a full-stack senior marketer with a proven track record of launching and scaling new...  ...scale marketing channels based on impact, iterating quickly. Develop and execute integrated marketing plans, spanning product marketing... 

 ...the old, email overload mindset into the modern, agile, digital mindset. ¿Qué harás? Your responsibilities: Lead a team of developers for the implementation of innovative applications Provide vision on solution design and main architectural decisions Collaborate... 

 ...rapidly growing, we are now in search of a sharp and mission-driven Senior Product Designer (UX/UI)to join our growing Proton Design team....  ...closely with product managers, marketing managers and developers Identify areas of opportunity and find creative solutions to... 

This is an AI-led B2B Data SaaS company that utilises AR and VR on an iOS and mobile-first platform. Acronyms: Because who has time to say all the words? Seriously though, this company has taken Europe by storm. With several enterprise customers under their belt already,...

 ...best practices for a broad range of world-leading organizations. A Senior Director serves as a leader within Gartner’s Business and...  ...the way cloud services are delivered across North America. Develop new insight and ideas through thought leadership and offer compelling...