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...

MaxIT Consulting – Max Corporate Group is looking for aSenior AI-First Full-Stack Engineer to 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...

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 Full...

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...

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 the...

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...

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·e Développeur·se Full...

Staff Full stack Engineer (Contract) | Rust and Java (Primary) | React and Python (Secondary) | Fully Remote (EU-based) | £500-600/day | Outside IR35 | 12-month contractThe Opportunity We’re supporting a fast-scaling, globally distributed tech business that is evolving its backend architecture and investing heavily in performance, scalability, and...

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. ...

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...

Part 2 Tech Lab Full-Stack Product Engineer Own 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. Barcelona Open 5 seats What you own 01 The users, in person 02 What gets built next, and why 03 The build, front to back 04 Whether it gets used...

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...

Full Stack Developer - Telecom BSS - Remote - Applicants Must Be EU Citizens - 12 Month Contract We are looking for experienced developers to support and develop telecom BSS applications for a Telco customer. The role covers application development and ongoing application support within a TypeScript, Node.js and React environment, deployed on Kubernetes....

Embrace DevOps, taking responsibility for your team's services from requirement analysis to operation. Make architectural decisions with your team to ensure high performance, robustness, and maintainability of the application, especially during the transition from on-premise to the cloud. Your ProfileExperience in front-end technologies such as HTML5, CSS3,...

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 persona Qué se construye después, y por qué El desarrollo, de front a back Que de verdad se use Mainloop es una empresa de ingeniería en Barcelona . Somos dueños de lo que...

We are an international technology services company specialized in:Si está considerando enviar una solicitud, asegúrese de pulsar el botón de solicitar de abajo después de leer la descripción completa.IT: Banking, Insurance, Retail & E-Commerce, HealthcareTransport & Supply Chain: Rail, Automotive, Logistics, and AerospaceManufacturing: Renewable...

SlashMobilitySlashMobility es una firma boutique tecnológica que está construyendo algo diferente a la consultoría tradicional. No queremos ser una fábrica de horas ni una consultora masiva. Ayudamos a grandes organizaciones a diseñar y construir productos digitales y plataformas tecnológicas que realmente mueven su negocio. No nos limitamos a ejecutar...

https://www.loop-machines.com/careers/founding-engineer/ Location: Barcelona, Spain | Full-time | Hybrid/Remote About Loop Machines Loop Machines is an early-stage deep-tech startup based in Barcelona, building the engineering intelligence layer for mission-critical hardware. Today, engineering teams developing complex systems often work with fragmented...