Empleos de contract full-stack engineer en Barcelona

Role: Knowledge Graph (Full stack Engineer)Location: Barcelona, SpainMandatory skills: Exp. in delivering Semantic Knowledge Graph skills incl. AWS Neptune + Integrations Performance and use of MCP + Mulesoft API's + SLM & LLM fine tuning.The Full Stack Engineer is responsible for designing, building, and maintaining scalable data pipelines, knowledge graph,...

🚀 Full Stack Software Developer – AI-Enabled Fleet Management Take your career to the next level with Amaris Consulting as a Full Stack Software Developer working on an AI-enabled fleet management solution. You’ll join an international, fast-growing group with a €800M turnover and 1,000+ clients worldwide, contributing to innovative digital...

We are a European digital freight platform that simplifies the way shippers, carriers, and brokers connect. With a multicultural team of experts in land freight transport, we are leveraging our team's extensive knowledge, supported by our platform to provide an effective and great service to our customers. Supplemented by an in house broker team focused on...

Descripción del trabajo At adesso Spain, we're looking for curious, passionate technologists who enjoy solving complex problems with clean code, solid engineering practices, and a modern mindset. Asegúrese de presentar su candidatura con toda la información solicitada, tal como se expone en la descripción del puesto a continuación. We're part of a...

Full-Stack EngineerOwn products for years rather than weeks — build them properly, keep them alive, and make the agentic build method something a team can rely on.Mainloop is a new engineering team inside an established international group. We are in Barcelona, we are being built from scratch this year, and we have the backing, the customers and the...

Job Description Kleinanzeigen reaches 36M+ monthly users and is Germany’s leading online classifieds market. We are a sustainability-focused platform where you won't just write code; you will power the services that bridge our high-traffic backend with seamless user experiences. Joining the Edge team means working on the bedrock of Kleinanzeigen, dealing...

Referencia: JN-072026-7053960Publicado el: 2026-07-02Ubicación: Barcelona, España, ESTipo de contrato: Jornada completaEmpresa: Michael PageSector: TecnologíaSub Sector: ProgramadorIndustria: Technology & TelecomsLocalización: BarcelonaTipo de Contracto: PermanenteNombre del consultor: Pancho MaluendaModalidad de trabajo: Remoto / híbridoEmpresa de...

We’re Kabilio, a company backed by two leading venture capital firms, founded by experienced entrepreneurs, Alex Valls and Jose Ojeda, with a strong track record in building and scaling successful tech companies. What We’re Building Our goal is to become the go-to Financial Operating System for accounting firms and SMEs in Southern Europe, unifying...

At Indeep AI , we are an applied AI research laboratory working at the intersection of natural language processing, linguistics, and human cognition. Our work is grounded in a simple conviction: the tools we use to write and understand documents should make communication clearer and more trustworthy, not less. That research powers Typewiser, our document...

Sateliot is a Barcelona-based satellite company with one goal: connect everything, everywhere. Founded in 2018, we've built the first satellite constellation that lets standard commercial devices communicate directly from space. Our technology bridges the gaps that terrestrial networks will never reach, bringing affordable and secure connectivity to...

Full-Stack Engineer Own products for years rather than weeks - build them properly, keep them alive, and make the agentic build method something a team can rely on. Mainloop is a new engineering team inside an established international group . We are in Barcelona, we are being built from scratch this year, and we have the backing, the customers and the...

Shortlists · Permanent · Europe, CET plus or minus two hours · Barcelona strongly preferred Why this role exists Shortlists is an AI-native recruitment CRM and ATS for recruitment agencies. We are building the assistant recruiters actually want: opinionated, does the work, does not just store records. The AI is not a feature at the edge of this...

The Senior Full Stack Engineer will build and own product features working closely with the tech leadership. You will contribute to both frontend and backend systems, helping ship high quality software that is used daily by customers. This role is focused on delivery, quality and collaboration with the ability to influence technical decisions. Your...

Shortlists · Permanent · Europe, CET plus or minus two hours · Barcelona strongly preferred Why this role exists Shortlists is an AI-native recruitment CRM and ATS for recruitment agencies. We are building the assistant recruiters actually want: opinionated, does the work, does not just store records. The AI is not a feature at the edge of this product....

We’re Kabilio, a company backed by two leading venture capital firms, founded by experienced entrepreneurs, Alex Valls and Jose Ojeda, with a strong track record in building and scaling successful tech companies. What We’re Building Our goal is to become the go-to Financial Operating System for accounting firms and SMEs in Southern Europe, unifying...

The Senior Full Stack Engineer will build and own product features working closely with the tech leadership. You will contribute to both frontend and backend systems, helping ship high quality software that is used daily by customers. This role is focused on delivery, quality and collaboration with the ability to influence technical decisions. Your...

Own one or two product surfaces end to end, including UI, Postgres schema, edge functions, deployment, and post-deployment operation Build and operate LLM-backed product functionality, including prompts, retrieval, evaluations, cost and latency optimization, and output validation Convert customer objections and call transcripts into shipped product Build...

Yassir is the leading super App in the Maghreb region set to change the way daily services are provided. It currently operates in 45 cities across Algeria, Morocco and Tunisia with recent expansions into France, Canada and Sub-Saharan Africa. It is backed ($200M in funding) by VCs from Silicon Valley, Europe and other parts of the world. We offer on-demand...

Sateliot is a Barcelona-based satellite company with one goal: connect everything, everywhere. Founded in 2018, we've built the first satellite constellation that lets standard commercial devices communicate directly from space. Our technology bridges the gaps that terrestrial networks will never reach, bringing affordable and secure connectivity to...

We are a European digital freight platform that simplifies the way shippers, carriers, and brokers connect. With a multicultural team of experts in land freight transport, we are leveraging our team's extensive knowledge, supported by our platform to provide an effective and great service to our customers. Supplemented by an in house broker team focused on...