Empleos de engineer - back end developer en Madrid

Location: Madrid, Spain (Remote — with regular in-person collaboration at a local WeWork alongside our Madrid tech team) About MediaRadar MediaRadar, now including the data and capabilities of Vivvix, powers the mission-critical marketing and sales decisions that drive competitive advantage. Our competitive advertising intelligence platform enables clients...

Craft:Job Description:At King, we build products and services that help millions of players enjoy our games every day. ThePlayer Support Innovation and Development teamdevelops the technology behind modern player support experiences, helping players quickly find answers, resolve issues, and get back to playing.As aSoftware Engineer, you'll build products,...

The Autonomy Infrastructure and Visualization Engineer (M/F) position is within Airbus UpNext Spain, based in Getafe, starting ASAP, and it consists of a limited contract linked to the deliverable of the demonstrator - estimated completion date end of December 2028.At Airbus UpNext, we are looking for an Autonomy Infrastructure and Visualization Engineer to...

Is hiring a senior back-end engineer to own end-to-end problems, from API design and data modeling to service implementation and production reliability. You will design backend services that move money, build scalable multi-currency platforms, and lead cross-functional delivery with product, compliance, and operations. You will mentor mid-level engineers,...

At Equitable Earth, we're on a mission to help protect and restore 1% of the natural world by 2030. We’ve built a rigorous, technology-enabled standard to certify conservation and restoration projects, ensuring they deliver lasting impact: strengthening livelihoods, safeguarding biodiversity, and supporting a stable climate. We're a diverse, mission-driven...

Gaming Innovation Group is looking for a Senior Back End Engineer to join their sports team in Madrid. You'll leverage your software engineering expertise to enhance and develop innovative solutions in the iGaming industry.This role emphasizes .NET technologies and microservices architecture. It's an exciting opportunity to collaborate cross-functionally...

Frontiers is seeking a Senior Platform Engineer to help build and run the Internal Developer Platform (IDP) and AI-first delivery capabilities. You will own a platform domain end to end, shaping golden paths, guardrails, and self-service tools for stream-aligned teams.You have 5+ years building cloud platforms, hands-on with Azure, AKS, Terraform, GitOps,...

One of the companies we work with at Joppy, which specialises in developing cloud-based software solutions usingArtificial Intelligence (AI)andthe Internet of Things (IoT) , whose main focus is on helping businesses managesustainability and regulatory complianceandoperational efficiency , is looking for FULL STACK DEVELOPERS to join the team.Working...

The next great GTM company is being built in Barcelona. Enginy is a Barcelona-based startup and one of Southern Europe's fastest-growing companies ranked #3 in the Sifted 100: Southern Europe 2026, and we're just getting started. We're building the AI-native GTM platform for modern B2B teams, combining prospecting, enrichment, intent signals, AI research and...

OmniAccess in Palma de Mallorca is seeking a Front End Software Engineer with at least three years of experience in web-based applications design and development to join our awesome development team.The candidate will design and build the user-facing side of the OmniAccess product portfolio, crafting modern, intuitive, and performant interfaces, while...

About the profileWe’re looking for a QA Engineer to join our Data and AI Engineering team. This is a mid-senior role for someone who can own test planning and execution independently for designing test strategies, building automated regression coverage, and safeguarding release quality without needing close supervision.You'll work across our applications...

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Backend Engineer based in Spain. Join a small, ambitious product team building technology that helps hundreds of thousands of users better understand and manage their finances. You’ll play a key role in developing the central...

European Union, LATAMWork type:Office/RemoteTechnical Level:LeaderJob Category:Software DevelopmentProject:Leading platform for electronic agreementsWe are looking for a talented Senior Full-Stack Engineer to join a team building a modern, large-scale platform that powers intelligent agreement management experiences for millions of users worldwide. Our...

Location: Madrid, Spain (Remote — with regular in-person collaboration at a local WeWork alongside our Madrid tech team) About MediaRadar MediaRadar, now including the data and capabilities of Vivvix, powers the mission-critical marketing and sales decisions that drive competitive advantage. Our competitive advertising intelligence platform enables clients...

Join EPAM as a Java Full Stack Engineer to support a leading global financial services firm. You will drive workflow automation for structured funds, SPV lifecycle management and bespoke client reporting. Your technical expertise will enable seamless connectivity with official trade stores to deliver deep data insights for a leading global financial services...

Forward Deployed Engineer Location: Madrid, Spain Team: Client Services Welcome to Maisa – Making AI Accountable! Maisa is building the next generation of Agentic Process Automation, helping enterprises automate complex, decision-heavy processes that traditional automation can’t handle and GenAI alone can’t be trusted with. Our platform combines...

Are you a Senior Full Stack Engineer looking for an opportunity to build and scale high-impact, user-facing AI product features?At Restb.Ai, we specialize in industry-specific visual recognition, helping businesses unlock powerful insights through AI-driven automation. We don’t just recognize objects (that’s so 2016), we teach computers to understand...

We're looking for a Staff/Senior Software Engineer to technically lead and build Runware's serverless platform. You'll be part of a small team working closely with senior leadership to bring a new product line to market.Runware is evolving beyond model APIs into a platform where developers can deploy models and run AI workloads without managing GPUs, servers...

A technology recruitment agency is seeking a Mid-Senior Back End Developer specializing in Python, machine learning, and data science in Zaragoza, Spain. This full-time role involves working with Fortune-500 clients and leading technical efforts in AI and quantum technologies. Candidates should have a strong educational background and experience in software...

OmniAccess in Palma de Mallorca is seeking a Backend/AI Engineer with 3+ years of experience to design and build cloud-native back-end systems. You will integrate AI capabilities, including LLM-powered features, into the product portfolio and work across the development team.Responsibilities include building robust micro-services, APIs, and data models; ...