Empleos de staff full-stack engineer en Barcelona

About the Role Working with a Series B Tech startup within energy industry. We are looking for a Staff Full Stack Engineer to lead technical vision, architectural design, and execution across systems driving their expansion. You will build high-impact backend infrastructure, automate tendering workflows, design deal-gating risk tooling, and deploy agentic...

Full time Hybrid Engineering Are you a Software Engineer who thrives on real ownership?This means taking responsibility for the entire lifecycle of a feature, from being part in understanding what our customers' pains are with our product team, design documents, coding to deployment, and measuring impact. Engineering excellence here is measured by the...

About PillarPillar is one of the fast growing startup from Italy which raised 3.2M€ pre-seed, 10 months later reached 1M€ ARR, and a couple of months later raised the biggest seed round of Italy: 12M€.Pillar is the new standard for constructionsAn enormous industry full of inefficiencies and slow processes—one that moves billions but still operates...

MaxIT Consulting – Max Corporate Groupis looking for aSenior AI-First Full-Stack Engineerto join a fast-growing European technology company building an AI-powered workforce platform for the healthcare sector.The company operates a multi-sided marketplace used by hundreds of hospitals and care organizations across several European countries, connecting...

NOUS RECRUTONS !Tu souhaites rejoindre une entreprise qui valorise la culture humaine, l'innovation et le bien-être au travail ?Chez Extia, notre devise est: d'abord la personne, ensuite le projet.Nous privilégions l'humain et le travail d'équipe pour proposer des solutions à fort impact.Chez #Extia, nous recherchons un·eDéveloppeur·se Full Stack Java...

Permut is the leading conversational AI platform for brands to build, optimize and scale AI agents across every customer channel. +100 amazing brands chose Permut in our first year. Our ambition is to become the platform that powers how brands serve, engage and sell through AI. We’re looking for builders who move fast, take ownership and care about...

Deeto is transforming how B2B companies grow by turning their customers into their most powerful growth engine. Our AI‑powered voice of customer (VoC) platform makes it effortless for companies to capture, organize, and activate authentic customer voices—delivering the right proof points at the right moment to accelerate deals and build trust at...

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...

Pillar was founded in 2025. Today, we are 80+ people, serve 900+ customers, raised €12 million in 2026, and are expanding internationally. We are building the financial operating system for construction: bringing AI, automation, and modern software to an enormous industry still full of slow, fragmented processes. We are looking for a product-minded...

About Pillar Pillar was founded in 2025. Today, we are 80+ people, serve 900+ customers, raised €12 million in 2026, and are expanding internationally. We are building the financial operating system for construction: bringing AI, automation, and modern software to an enormous industry still full of slow, fragmented processes. We are looking for a...

Smadex As a Senior Full Stack Engineer, you will serve as the technical anchor and architectural pillar for the team. Partnering closely with our delivery and operational team lead, you will take ownership of technical excellence, establish sound architectural standards, and mentor the team. This is a high-impact, hands-on Individual Contributor (IC) role...

Smadex is a performance advertising engine for mobile apps, enabling the world's leading marketers to grow across Mobile and Connected TV (CTV).Powered by AI models trained on real campaign outcomes, Smadex delivers profitable growth at scale.Headquartered in Barcelona, with teams across the Americas, EMEA, and APAC, Smadex is a business unit of Entravision...

Schwarz Digits creates the technological foundation for digital sovereignty in Europe.As the IT and digital division of the Schwarz Group, we develop and manage the IT infrastructures for the retail divisions Lidl and Kaufland, as well as Schwarz Production and PreZero.At the same time, we operate as an independent provider in the external market to support...

AtIndeep 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...

Part 2Tech LabFull-Stack Product EngineerOwn a product end to end — the users, the roadmap, the build and the release — with nobody standing between you and the people who use it.BarcelonaOpen5 seatsWhat you own01 The users, in person02 What gets built next, and why03 The build, front to back04 Whether it gets usedOne method, many productsMainloop is...

The Full Stack Engineer builds and runs the digital surfaces the Commercial STO puts in front of Expereo's Customers as well as Commercial and Service Pperations teams, front to back: the React front ends, the service layer those front ends consume, and the integrations that connect them to Salesforce and the wider systems landscape.You will join the...

The Senior Full Stack Engineer will build and own product featuresworking 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...

Hazte cargo de un producto de principio a fin —los usuarios, la hoja de ruta, el desarrollo y la release— sin nadie entre tú y las personas que lo usan.Los usuarios, en personaQué se construye después, y por quéEl desarrollo, de front a backQue de verdad se useMainloop es unaempresa de ingeniería en Barcelona.Somos dueños de lo que construimos y...

¿Estás preparadx para un cambio y explotar tus habilidades como nunca??? Sigue leyendo porque tenemos lo que buscas...Somos una empresa internacional con más de18 años de experienciaen consultoría e ingeniería informática.Con más de***** Primersoperando en 4 sectores principales en todo el mundo: IT, Telecomunicaciones, Energía e InfraestructurasNos...

Sateliot is a Barcelona-based satellite company with one goal: connect everything, everywhere.Founded in ****, 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...