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...

 ...Collaborate with IT and Engineering to embed best practices. Develop and update incident response playbooks. Deliver security awareness...  ...Barcelona, and we are looking for an experienced and proactive Senior Cloud Security Operations Engineer to join our growing Security... 

 ...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... 

 ...problem-solving and building tools. You will work closely with Senior Solutions Architects and Pre-sales teams to translate technical...  ...experience in a technical role (e.g., Software Engineer, Junior Developer, Technical Support, QA). ~ Technical Curiosity: You enjoy digging... 

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...

 ...We offer a fantastic opportunity as a Senior QA / Quality Controller on behalf of our Client, a successful Fresh Produce supplier. This is a unique role that offers the excitement of travel and work in Spain. The main objective within this position will be for the Senior... 

Procurement Analyst / BI & Insights Specialist Location: Barcelona, Spain. Hybrid - 1 day per week in the office Working Environment: International, multi-cultural, collaborative, and supportive The Opportunity: This is a high-impact role within Procurement, an area...

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... 

 ...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... 

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 ...

 ...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... 

 ...impact and shaping how millions of people experience work, we’d love you on the team. Visit to learn more. We are looking for a Senior Mice Specialist to join our team here in Barcelona or Birmingham. About the Role Work closely with the wider sales organisation... 

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,...

 ...Strategic People Partner to join our team, partnering closely with Senior Leaders across Customer Care and Support Functions to embed ‘...  .... Reporting to the Head of People Partners, you’ll lead and develop two People Partners across the globe and collaborate across the People... 

 ...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... 

 ...concept to launch across multiple teams, breaking down complexity into shippable milestones. Storytelling and influence: You can align senior stakeholders, communicate the “why,” run workshops, and coach teams on better AI product thinking and craft. Technical... 

 ...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...