Senior Backend Engineer Jobs in Barcelona

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...

Job descriptionThe Original Bitcoin ExchangeInspired by Bitcoins vision of financial freedom we are committed to empowering individuals to transact and connect seamlessly across the globe. From the early days of the Bitcoin revolution our mission has been to champion freedom through innovative relia...

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 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...

DESCRIPTIONOur client is a company specializing in managing large-scale sporting events offering services like ticketing accommodation hospitality transportation and IT solutions. The company values precision and adaptability as it handles complex operations across global sports events.This is a ful...

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...

About the opportunityWe are seeking a Senior Backend Engineer to join our team! In this role you will be encouraged to embrace the latest technological updates and given a platform to work on complex interesting problems on a daily basis.Our Payments team in N26 is responsible for building systems s...

Join Proton and build a better internet where privacy is the defaultAt Proton we believe that privacy is a fundamental human right and the cornerstone of democracy. Since our inception in 2014 founded by a team of scientists from CERN we have dedicated ourselves to providing free and open-source tec...

We are seeking a talented Backend Engineer to help us architect and build the next iteration of our AI-powered voicebot and chatbot platform. You will drive the migration from our current PHP/HTTP stack to a modern scalable real-time architecture unlocking new capabilities and performance for our co...

Your missionJoin the Revolution in Hospitality Tech!Bookboost is transforming guest engagement for hotel groups with a best-in-class CRM platform designed for modern hospitality. Were not just changing software were reshaping how hotels connect with their guests.Were looking for a Backend Engineerto...

Craft:Technology & DevelopmentJob Description:King operates mobile games at a massive scale. With titles like Candy Crush Bubble Witch and Farm Heroes our code runs on hundreds of millions of devices across the world.We are looking for a Java Backend Developer that will take pride in creating the ve...

Area of WorkWere laying the groundwork for the future of AI at Docplannerscalable systems multi-agent architecture MCP servers and seamless integration into our products. Were looking for a Senior Backend Engineer with a strong Software Engineering background and AI Engineering experience to join ou...