ppOne of the companies we work with at Joppy, which specialises in developing cloud-based software solutions using bArtificial Intelligence (AI) /b and bthe Internet of Things (IoT) /b, whose main focus is on helping businesses manage bsustainability and regulatory compliance /b and boperational efficiency /b, is looking for FULL STACK DEVELOPERS to join the team. /ph3Working arrangements: /h3pHYBRID in Madrid (3 days a week in the office). /ppAs a Senior Full-Stack Developer, you’ll play a key role in shaping the future of Business Partner Transparency (BPT) within our company HUB. We provide Supplier intelligence that goes beyond helping businesses ensure compliance with ESG regulations. We enable companies to unify transparency, compliance, and efficiency across their value chain. /ppOur HUB is a modern, enterprise-grade development platform that enables businesses to build powerful applications without worrying about infrastructure, scaling, or failover. You’ll help develop and refine this cutting-edge, serverless ecosystem while delivering meaningful solutions for international clients. /ph3Your Responsibilities /h3ulliDesign, build, and optimize full-stack features using modern back-end technologies, ensuring scalability and maintainability. You'll use Node.JS and TypeScript on the backend, and React.JS on the frontend. /liliDevelop and enhance innovative software solutions that automate complex compliance workflows for businesses of all sizes. /liliCollaborate closely with product managers, designers, and engineers in small, agile squads (4-6 people) to define, refine, and implement features. /liliEnsure high-quality, secure, and efficient code through rigorous reviews, automated testing, and continuous integration/deployment (CI/CD) practices.



/liliOwn the architecture and design of Typescript based solutions, optimizing for performance, reliability, and user experience. /liliContribute to technical strategy and decision-making, identifying opportunities for innovation and process improvements. /liliMentor and support junior developers, fostering a culture of learning and technical excellence within the team. /li /ulh3Your Experience /h3ulliStrong experience (ideally 4+ years) in full-stack development, using Node.JS / TypeScript and React.JS. /liliExperience in startups, SAAS or product companies. (MANDATORY) /liliHands‑on experience leveraging AI‑guided development practices and collaborating within agentic, AI‑driven engineering environments. /liliExpertise in web services development and integration (REST etc). /liliFamiliarity with Git for version control and collaboration. /liliStrong product mindset – you think beyond code, considering user experience, business impact, and scalability. /liliAgile experience – comfortable working in sprints, participating in stand-ups, and iterating quickly. /liliExcellent communication skills (C1 or equivalent) in English. German and/or Spanish skills are a plus, (but not necessary). /liliA purpose-driven mission tackling complex sustainability challenges while working alongside general industry pioneers at a fast-growing unicorn company. /liliRoom for creativity through collaborative teamwork and an open communication culture. /liliFlexibility and team bonding with our hybrid work options. /liliSustainable mobility options, promoting eco-friendly commuting solutions. /liliFun team events and outings with our global teams. /li /ulh3About Joppy /h3pJoppy is a technology recruitment platform built for developers by developers. /p /p #J-18808-Ljbffr

📌 Full-Stack Developer (ReactJs / NodeJS / Typescript) | €60K - €80K (Madrid)
🏢 Joppy
📍 Madrid