Change the World, Bit by ByteAt T4G Lab, we are more than just a tech consultancy.
Maximice sus posibilidades de que su candidatura sea seleccionada asegurándose de que su CV y sus habilidades se ajustan al perfil.
We are partners in impact.
We build technology that matters.
We work with startups, non-profits, universities and United Nations to solve real-world problems in Health, Climate Change, Education, Research or Financial Access.
We are looking for a seasoned Full Stack Engineer with deep experience to join our general team.
You will build scalable, high-impact solutions that empower organisations to move faster and do more good.The RoleAs a Senior Member of our engineering team, you will be hands-on in designing, building, and deploying robust applications.
You won't just be writing code.
You will be crafting solutions for complex challenges, ensuring our partners get world-class, secure, and sustainable products.
This is a pure Full Stack role where you will own features from the database to the UI,



but with a heavy emphasis on architectural soundness and infrastructure security.What You'll DoBuild & Scale: Develop high-quality, maintainable software across the full stack (Frontend + Backend).Secure Infrastructure: Take ownership of cloud architecture.
You will ensure our systems are not just functional but are secure by design and optimised for performance.Impactful Work: Work on diverse projects ranging from AI integration to lean product adjustments for startups and non-profits.Mentor & Lead: Use your experience to set coding standards and mentor other developers in the team.Collaborate: Work directly with founders, product managers, and non-technical stakeholders to translate "vision" into "shipped code."Who You AreExperienced: You have 8+ years of professional experience in software engineering.
You have seen it all, including legacy code, greenfield projects, and complex migrations.Fluent in English: You have excellent written and verbal communication

📌 Senior Full Stack Engineer (España)
🏢 T4G Lab
📍 España