Senior Tech Lead / Full-Stack & DevOps Engineer (m/f/d)

Location: Barcelona and surrounding area Working model: Hybrid – 4 days remote, 1 day per week in our Barcelona office Office: KPS Iberia, C/ Pau Claris 162–164, 08037 Barcelona About KPS KPS is a global consulting and technology company delivering digital transformation and e-commerce solutions for leading international clients. At KPS Iberia, you will work in an international and agile environment on complex digital platforms and business-critical technology solutions. We are looking for an experienced Senior Tech Lead / Full-Stack & DevOps Engineer to join KPS Iberia and work on complex, end-to-end digital and e-commerce platforms for major international clients. This is a hands-on technical leadership role. We are looking for someone who combines strong software engineering expertise with proven experience leading and coordinating developers, driving technical execution and ensuring successful delivery. The role combines architecture, technical project leadership and hands-on engineering. You will work closely with developers, guide technical decisions, and actively contribute to the implementation of technical solutions. Your Responsibilities - Understand, analyse and evaluate existing software/system architectures. - Proactively identify and propose technical improvements and necessary adaptations. - Make architecture decisions and help shape scalable and sustainable technical solutions. - Provide hands-on support in the implementation of technical solutions. - Take responsibility for technical project leadership. - Coordinate developers and ensure effective collaboration within the team. - Support the team in resolving technical challenges and maintaining high engineering quality. - Communicate technical concepts and decisions clearly to both technical and non-technical stakeholders. Your Profile - Several years of experience as an Architect, Senior Architect, Tech Lead or in a comparable technical leadership role. - Very strong frontend expertise, particularly with JavaScript, Node.js and React. - Experience in backend development, ideally with Java. - Ability to understand, assess and further develop software/system architectures. - Solid experience with Cloud Systems (AWS, Azure and/or GCP). - A strong hands-on mentality and willingness to actively contribute to technical solutions. - Good understanding of DevOps practices and modern software delivery processes (Docker, Kubernetes, Terraform, CloudFormation, Pulumi or similar, CI/CD pipelining etc.). - Experience coordinating developers and leading technical workstreams ideally in an international environment. - Strong communication skills in English, as our projects are international and conducted in English. Nice to have - Knowledge of container technologies and modern deployment processes. - Experience in complex e-commerce, SaaS or digital platform environments. - Experience with AI-assisted development, agentic coding or modern AI engineering tools. - Good knowledge of security best practices, IAM, secrets management and OWASP principles. What We Offer - Architectural responsibility in complex digital and e-commerce projects. - The opportunity to shape technical solutions for major international clients. - A role combining architecture, technical leadership and hands-on engineering. - An international and collaborative working environment. - Modern technologies and agile ways of working. - The opportunity to work closely with experienced developers, architects and business stakeholders. - Clear opportunities to further develop your architecture and technical leadership career. - A hybrid working model with four remote days and one day per week at our Barcelona office. - Employment under a Spanish employment contract.