Staff Backend Engineer Jobs in Barcelona

Were on a mission to make money work for everyone.Were waving goodbye to the complicated and confusing ways of traditional banking.After starting as a prepaid card our product offering has grown a lot in the last 10 years in the UK. As well aspersonal and business bank accounts we offer joint accou...

We are looking for a Senior Backend Engineer with a strong GenAI background to join our team and work 100% dedicated on a strategic project for one of our top clients in the pharmaceutical sector.In this role you will design and build advanced backend and AI-driven systems contributing to the evolut...

We are Merlin Digital Partner! A leading IT and digital headhunting company who stands out from the crowd boasting over a decade of experience.Weve successfully collaborated and played a pivotal role in the growth of industry heavyweights such as Wallapop Glovo Banc Sabadell and Factorial among othe...

About AiraloAlo! Airalo is the worlds first eSIM store that helps people connect in over 200 countries and regions across the globe. We are building the next digital service that revolutionizes the telecom industry. We are a travel-tech company and an equal-opportunity environment that values and ex...

About the team and your mission: In this role you will help us move towards our vision: patients have easy universal access to their health data through an insights-driven experience that helps them live healthier longer lives. As a Backend Engineer on our Health Profile team you will work on distri...

Description Senior Backend Engineer (LLM / AI Experience)Hybrid Tech Team Full-time Barcelona SpainIn a few wordsBuild and scale backend systems powering conversational AI & digital humansHands-on senior role balancing architecture production codeWork deeply with LLMs RAG pipelines and real-time...

As a Staff Engineer in the Product Platform area youll be responsible for designing implementing and optimizing the tools processes and frameworks that enable our engineering organization to reach maximum productivity and efficiency. This role focuses on creating a world-class developer experience b...

Were hiring a Backend Engineer II to join the Central Tracking SDK team within Delivery Heros Global Services unit. Based in our Barcelona hub you will be the backbone of our tracking infrastructure building the high-performance APIs that power our native UI SDKs across all Delivery Hero brands (Glo...

About the opportunityJoin our Core Systems domain as a Senior Backend Engineer within the GDPR Team. You will be part of the Reporting layer where all systems responsible for reporting live and breathe. As one of the early engineers in this growing teamcurrently composed of two engineers with a new...

About the opportunityYou will work in the Banking Foundations domain. The mission for this domain at N26 is to provide secure and compliant banking services that are frictionless and innovative for customers while enabling efficient operations and informed decision-making for our staff. We achieve t...

ResponsabilidadesDiseñar e implementar microservicios y APIs REST/GraphQL en TypeScript () y Python.Construir soluciones event-driven integrando colas/streams (SQS/SNS Kinesis/EventBridge o Kafka) y BPM/Step Functions.Diseñar y operar componentes en AWS (Lambda API Gateway S3 RDS/DynamoDB IAM) asegu...

Team Vision and MissionThe Noa Notes Team is building AI tools that turn doctor-patient conversations into structured clinical notes. Our mission is to make clinical note-taking so seamless and reliable that it becomes invisible: doctors speak naturally and Noa handles the rest.With 12000 paying use...

We are looking for a talented and ambitious Rust Backend Engineer to help design and build the core infrastructure for our cloud-based AI deployment this role you will develop the scalable high-performance backend services that power the deployment orchestration and serving of AI models at scale en...

About the opportunityWe are seeking a highly accomplished and collaborative Senior Backend Engineer to join our mission-driven this role you can think of yourself as a Product Engineer dedicated to the entire feature lifecycle from conception to launch.This teams core mission is to empower new N26...

About the opportunityJoin our Core Systems domain as an experienced Backend Engineer on the Product Factory team. Youll design and build high-performance high-throughput and highly configurable platforms that power our financial infrastructure. Your work will enable self-service configuration of cor...

About WorkatoWorkato transforms technology complexity into business opportunity. As the leader in enterprise orchestration Workato helps businesses globally streamline operations by connecting data processes applications and experiences. Its AI-powered platform enables teams to navigate complex work...

About youMust have skills:Strong knowledge of building maintainable and scalable code applying testing driven development and design patterns.Strong knowledge of any programming language especially Python.Strong knowledge of relational databases and SQL taking it to its limits.Proficiency in using D...

About youMust have skills:Strong knowledge of building maintainable and scalable code applying testing driven development and design patterns.Strong knowledge of any programming language specially Python (we are language agnostic; candidates with Java PHP Go.. also welcome)Strong knowledge of relati...

About youMust have skills:Strong knowledge on good practices testing and design patternsYou are proficient in business EnglishYou know how to deliver code from development to productionExperience with RESTful APIs (implementation and consumption)Knowledge of relational databases and SQLWe use these...

Senior Backend Engineer We are looking for a Senior Backend Engineer ( / TypeScript) to join a fintech infrastructure team building the next-generation compliance and routing layer for licensed financial institutions essentially a SWIFT for stablecoins. This product powers regulated cross-chain an...