Empleos de backend engineer experiments platform en Sevilla

T-Systems Iberia sucht eine/n Senior Backend Engineer mit Schwerpunkt System-Design und dem Aufbau produktiver Backend-Plattform-Services hinter AI-Inference-Endpunkten. Du treibst Architekturentscheidungen, entwickelst hochverfügbare, sichere Systeme, und arbeitest eng mit KI‑Infrastruktur- und Data‑Engineering-Teams zusammen.Du bringst umfangreiche...

A leading software development company in Barcelona is seeking a Senior Software Engineer (Python / Backend) to lead backend development and contribute to an AI-powered platform.Candidates should have over 4 years of experience in Python, strong problem-solving skills, and the ability to work independently.This role offers competitive USD-based compensation,...

This position is listed on behalf of a partner company, who manages all applications and next steps.Our partner is looking for a Backend QA Engineer based in Spain.As a Backend QA Engineer, you will take ownership of software quality across a high-traffic backend platform, ensuring reliable performance and seamless transaction processing.You will combine...

Abacum, the leading Business Planning solution, is hiring a Software Engineer to join our Barcelona team. You will work on a multi-disciplinary squad building a real-time calculations engine and data visualisations, collaborating with designers, product, and other engineers.We value ownership, fast learning, and a hands-on approach to shaping our technical...

This position is listed on behalf of a partner company, who manages all applications and next steps.Our partner is looking for a Backend Engineer based in Spain.Join a small, ambitious product team building technology that helps hundreds of thousands of users better understand and manage their finances.You'll play a key role in developing the central API and...

This position is listed on behalf of a partner company, who manages all applications and next steps.Our partner is looking for a Staff Backend Engineer, Money Movement based in Spain.As a Staff Backend Engineer, you will lead the design and development of a new trust accounting platform that enables property managers to manage financial records and funds...

Black Swans Exist GmbH, a specialist life sciences software company building a SaaS platform for biopharma and scientific teams, is seeking a Senior MLOps / ML Platform Engineer.You will own the platform behind AI models, focusing on reproducibility, traceability and scalable workflows across experiments and production.This remote, Europe/UK based role...

Join our expanding engineering team!We're actively recruiting a Senior Backend Engineer to help scale M-KOPA Mobility, our fast-growing e-mobility business.This is an initial 12-month Fixed Term Contract, with the potential to extend or transition into a permanent role.Build the event-driven microservices that power clean, affordable transport for riders and...

Partner Company in Spain is seeking a Backend QA Engineer to own software quality across a high-traffic backend platform.You will combine manual testing with automated test development using TypeScript and Playwright to validate complex transactions, API integrations, and event-driven workflows.Work remotely within Europe with cross-functional collaboration,...

Help Us Build The Future of Travel At Airalo, we're making it easier for people to stay connected wherever they travel.As the world's first eSIM store, we help millions of travelers access affordable mobile data in 200+ countries and regions around the world.Today, we're a team of 400+ people across 60+ countries, building a product used by travelers every...

M-KOPA is seeking a Senior Backend Engineer to scale M-KOPA Mobility.You will build event-driven C#/.NET microservices powering a growing e-mobility financing platform across Africa.The 12-month Fixed Term Contract can extend or become permanent, with fully remote work across UTC -1 to UTC +3.You will own services end-to-end, collaborate on architecture,...

Lever, Inc. is seeking a Backend Engineer based in Spain to join a small, ambitious product team.You will own the central API and backend services, primarily using Node.Js and TypeScript, and focus on API design, data modeling, performance, and developer experience.This remote, asynchronous role offers substantial technical ownership, collaboration with...

This position is listed on behalf of a partner company, who manages all applications and next steps.Our partner is looking for a Senior Backend Engineer – Data Core based in Spain.This is a senior backend engineering role focused on building the infrastructure that powers a large-scale creator data platform.You'll design and operate systems responsible for...

Partner Company is seeking a Backend Engineer based in Spain to join a small, autonomous product team.You will own the central API and backend services, focusing on Node.Js and TypeScript to power data, calculations, and core product experiences.You will design intuitive APIs, scale systems, and support MVPs through experiments, working in a fully remote,...

You will take ownership of a backend system that is critical to the company and our customers.You will have the opportunity to help define our roadmap and find the best technical solutions.You will also have time to run some experiments and bring new ideas to the table.Your responsibilities: Hands-on code implementation, code reviews, testingEnsure...

Jobgether is seeking a Senior Backend Engineer – Data Core based in Spain.This remote-first role focuses on building infrastructure for a large-scale creator data platform, collecting data on hundreds of millions of creator profiles across major social platforms.You will own end-to-end backend systems, tackle distributed-systems challenges, and optimize...

Airalo is seeking a backend engineer to drive the evolution of our global platform used by millions.You will lead backend services, build APIs, and contribute to a modular, service-oriented architecture while balancing speed with stability.We value deep PHP expertise, Laravel or Symfony experience, strong OOP, and solid SQL skills.Fluency in English is...

Albertine is hiring a backend-focused engineer to own features end-to-end for a multi-tenant TypeScript API platform powering luxury concierge experiences.You'll shape API contracts, implement services, and connect integrations across payments, messaging, and partners.You'll work near the domain with real business logic and edge cases, advocating better...

Voodoo is seeking a senior backend engineer to design and build the server-side foundation for Castle Busters, moving from client-authoritative to server-validated gameplay.You will define APIs and player-state management, working with client engineers and game designers to deliver scalable, secure gameplay systems.You will own server-side validation for...

Workato seeks a seasoned Go backend engineer to design and optimize distributed systems that power our runtime platform.You will tackle high-concurrency components, memory-sensitive paths, and performance-critical code, collaborating across teams to ensure reliability and scalability.This role emphasizes low-level engineering and robust concurrency handling...