Senior ruby on rails developer jobs in Spain

 ...passion for ethical hacking. Certifications such as BSCP or eWPTX are highly valued but not essential. Experience with Ruby and Ruby on Rails is a bonus. Fluency in English is required. Responsibilities: Perform proactive penetration testing across applications... 

 ...love for ethical hacking. Certifications such as BSCP or eWPTX are highly valued (but not essential). Experience with Ruby / Ruby on Rails is a bonus Fluent English language required. Why join Fast-moving, rapidly growing, SaaS environment. True impact... 

 ...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... 

 ...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... 

 ...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... 

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... 

 ...our students. We are currently seeking a dedicated and experienced Senior School Science Teacher to join our dynamic team. The successful...  ...Biology, preparing students for their IGCSE exams in Year 11. - Develop and implement effective lesson plans that incorporate both... 

GTM AI Solutions Engineer - Barcelona (On-site) Are you an engineer who loves to  build things that drive revenue,  not just code for the sake of it? We’re supporting a  fast-scaling SaaS company (1,000+ people, global presence)that’s building an internal  AI Engineering...

 ...productivity and driving revenue generation. Unlike typical RevOps teams that purchase off-the-shelf tools, we create in-house solutions—developing AI-driven applications that directly improve the operations of Sales, Marketing, Customer Success, and Partner teams. This... 

 ...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... 

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,...