Empleos de fullstack software engineer en Barcelona

Are you an experienced Software Engineer who prioritizes results over specific tech stacks? We aren't looking for niche experts; we want clever problem-solvers who select the right tools and processes to deliver high-quality results. About the Role In this role, you’ll collaborate daily with our product team to design, architect, and build Perk—a...

About Supersonik Supersonik helps B2 B Saa S companies sell faster with AI-powered product demos. On a live video call, our AI Agent shares the screen to walk buyers through a personalized, interactive demo in any language. This lets teams skip long sales calls and focus on closing deals. We’re backed by Andreessen Horowitz (a16z) and work with leading Saa...

About Supersonik Supersonik helps B2 B Saa S companies sell faster with AI-powered product demos. On a live video call, our AI Agent shares the screen to walk buyers through a personalized, interactive demo in any language. This lets teams skip long sales calls and focus on closing deals. We’re backed by Andreessen Horowitz (a16z) and work with leading Saa...

Description Do you think like an engineer first, and a language specialist second? We are looking for engineers who want to build the next generation of cloud-native financial technology. Our platforms run on. NET and Java, but we are not looking for C# or Java developers (or Python developers, or developers of any other language). We are looking forsoftware...

Responsibilities Tackle complex challenges by analyzing, designing, and developing systems that solve technical problems and enhance our e‑commerce platform. Collaborate closely with QA to build, test, and deploy new features smoothly and reliably. Continuously refactor and optimize the codebase to improve maintainability and long‑term quality. Improve...

As a Software Engineer at PayRetailers, you will work collaboratively with the team to reimagine payments through innovative solutions and technologies. About Payretailers PayRetailers is a leading online payments company that is dedicated to reimagining the payments landscape through collaboration and innovation. Estimated Benefits - Comprehensive...

REVER is a Barcelona based startup backed by Y‑Combinator. REVER's mission is very ambitious: change the way people buy by giving superpowers to shoppers. We are now obsessed on drastically improving the return experience both for the shopper and the e‑commerce. The challenge is massive: we want to change a $2.5 Trillion industry. For that we have a...

The software team at semydynamics is developing the tools and frameworks that enable clients to deploy AI applications on Semidynamics’ hardware. We’re looking for software developers to work on all aspects of this, from low-level kernel optimization, inter-device coordination, highly parallel data processing, to framework support. If you’re passionate...

Join a leading AI hardware company - Software Engineer, Barcelona A fast-growing AI hardware company is expanding its software team, developing the tools and frameworks that enable customers to deploy AI applications on next-generation accelerator hardware. This role sits at the intersection of software, AI and hardware, working across low-level...

Iqana is a Barcelona-based quantitative trading firm building systematic, risk-managed exposure to digital assets. We are registered with the CNMV and were the first firm in Spain authorized under MiCA to provide discretionary crypto portfolio management — which means our systems run real institutional capital under real regulatory scrutiny. We serve...

Seeking a Software Engineer to build an AI-native product focused on AI agents that take actions. The role requires building product features end-to-end, backend services, and integrations, with a strong emphasis on problem-solving and CS fundamentals.

EngRadar / Thunes Software Engineer Thunes operates a global payment network enabling cross-border transactions for businesses. Thunes is the employer --- EngRadar is a job radar, not a recruiter. We track this posting from their own careers page and send you straight there; we never handle applications or CVs. Barcelona, Barcelona, SpainLondon, England,...

FCM - part of the Flight Centre Travel Group family - are transforming the business travel industry. Based in Barcelona and paired with market-leading technology from our very own FCM LAB, we manage a wide portfolio of national and multinational clients in this niche market. Together, we are united by a single mission: developing and ensuring the best...

Who Are WeAlpega is the trusted execution platform shippers and carriers across Europe rely on to plan, procure, and execute road freight - every day, at the speed the industry demands.We are 450+ people across European offices, working in product, engineering, commercial, and the teams that keep partners connected.In 2026, Alpega was named a Challenger in...

Syntrace builds conversational knowledge for institutional investors. We capture, organize and synthesize private conversations into source-backed knowledge a firm can build on. We are now hiring a Software Engineer, based in Barcelona. You will build across the stack in a small senior team where you own features end to end. Our core is event-sourced and...

Essential Job Functions: * Contribute to software development projects by writing, testing, and debugging code, with an emphasis on complex and critical components. * Collaborate with team members to meet project requirements, actively participating in design and code reviews. * Provide technical expertise and support to team efforts, acting as a subject...

About UsPerk (formerly TravelPerk) is the intelligent platform for travel and spend management. Built to tackle the time-consuming, manual work that gets in the way of real work, our tools automate everything from travel bookings to expenses, invoice processing, and more. By eliminating this shadow work that wastes hours, erodes morale, and saps innovation,...

We are looking for a Lead Software Engineer to join our Life Sciences team in Barcelona. You will play a key role in Pathfinder, a strategic new initiative focused on designing and delivering a modern, scalable, and maintainable application that will have a meaningful impact on the life sciences industry.As part of a cross-functional team, you will work...

About SeqeraSeqera is on a mission to empower scientists and organizations to solve humanity’s biggest challenges through data-driven science. As the company behind Nextflow and the Seqera Platform, we enable global enterprises, biotech innovators, academic institutions, and public sector organizations to scale complex data workflows with...

BarcelonaR&D – Engineering/Prod Dev /Full-Time /On-siteAbout the CompanyAt Emburse our mission is to help make our users’ lives – and their businesses – better. We are dramatically transforming how organizations manage corporate expenses and invoices. We humanize work by automating manual tasks and saving users’ time, so they can focus on what...