backend engineer

Haddock seeks a seasoned integrations engineer to own and scale data integrations, collaborate with customers, and drive architecture decisions. You will contribute to building observability, data pipelines, and AI-powered workflows within a fast-paced startup. This hybrid Barcelona role emphasizes autonomy and impact.You will work closely with product and...

Mercanis is building the AI Procurement Platform that powers the procurement of tomorrow. We are looking for a Backend Engineer excited to build reliable backend services and grow technically.This fully remote role offers EU time-zone alignment, or hybrid option from our Berlin office, with collaboration across cross-functional teams and exposure to...

F1RST Digital Services procura IT Engineer Spec IV (Java) para atuar com Blockchain e Web3. Você colaborará com equipes globais do Santander, definindo requisitos, desenvolvendo especificações e orientando sobre arquitetura segura e escalável.O papel exige experiência prática em Ethereum/EVM, Solidity, Hardhat ou Foundry, e desenvolvimento de back-end...

Deine AufgabeWir suchen einen Senior Backend Engineer mit ausgeprägten System-Design-Fähigkeiten und Erfahrung im Aufbau von Produktionsinfrastruktur. Diese Rolle umfasst die Architektur und Wartung von Backend-Plattform-Services hinter AI-Inference-Endpunkten – ein mandantenfähiges System, das Authentifizierung, API-Key-Management, Nutzungsmessung,...

Dow Jones is seeking a Senior Software Engineer to design, build, and operate scalable backend services powering product experiences and internal tools. You will lead complex features, improve performance and observability, and collaborate with cross-functional partners across engineering, product, and QA.The role requires 4–6+ years in backend or...

Lansweeper, located in Alicante, Spain, seeks a Backend Engineer to develop scalable backend services and data pipelines, utilizing AI tools. The role demands strong skills in Go or Rust, distributed systems, and AI tooling.Candidates will engage with a dynamic team of 40 engineers, working on high-stakes challenges in AI-assisted environments. Offer...

Impulsa la arquitectura backend del futuro con Java y sistemas distribuidosEn Initium Software conectamos al mejor talento técnico con los proyectos más desafiantes e innovadores del mercado. No somos una consultora tradicional; somos socios estratégicos que creemos en el impacto real a través de la tecnología. Buscamos un Senior Backend Engineer...

Elastic in Spain is seeking a Senior Software Engineer for Observability, Managed Inputs to help build high-performing backend ingestion pipelines, supporting mOTLP endpoints and agentless architectures across cloud environments.You will own features from concept to delivery, mentor peers, monitor reliability with SLIs/SLOs, and participate in on-call...

Vic.Ai in Madrid, Spain, is seeking a Senior Backend Engineer to own the integration platform that connects our customers' ERP systems to Vic.Ai and push results back at scale. We’ll build and operate backend services with TypeScript/Node.Js, Elixir/Phoenix, and Python, deployed on AWS, focusing on reliability and performance for a high-scale AI...

¿Te interesaría seguir desarrollándote como Backend Developer especializado/a en Salesforce Commerce Cloud , participando en un proyecto estratégico de Marketplace ecommerce con alto impacto en negocio y tecnología? Desde Oxigent Technologies seleccionamos un/a SFCC Backend Developer para incorporarse a un proyecto de integración de un Ecommerce con...

Bark.Com is hiring a Senior Backend Engineer based in Spain for a fully remote role. As part of an agile team, you will innovate and solve user problems while maintaining a focus on performance and scalability.Your responsibilities will include developing APIs, mentoring engineers, and proposing improvements to the codebase. Candidates should have extensive...

Capitole busca un desarrollador Java con 3 años de experiencia para unirse al equipo de tecnología en Barcelona. Desarrollarás backend en Java, diseñarás microservicios con Spring Boot y crearás APIs REST, trabajando con SQL/NoSQL y prácticas ágiles.Se valorará experiencia con Docker, Git, Jenkins y pruebas con Mockito. Ofrecemos desarrollo...

HCLTech is seeking an experienced Senior Java Backend Engineer to design and develop scalable, secure backend services for omnichannel commerce. You will build Java 21 microservices using Spring, implement robust integrations with OMS and retail platforms, and ensure high performance through proper testing, monitoring, and CI/CD practices.You will...

At Lighthouse, we’re on a mission to revolutionize commercial strategy as hospitality’s most powerful AI platform. We take the world's largest hotel data network and transform it into real‑time intelligence that drives action. We don't just deliver insights; we empower businesses to make decisions that move revenue.With $370M in Series C funding and...

About us Aave Labs began with a simple question: how do we make financial services like borrowing, saving, and earning more accessible globally? We built the Aave Protocol, now the world's largest and most trusted onchain lending market, connecting decentralized finance with individuals, traditional finance, and fintech. Today, we build trusted,...

Talan Spain is seeking an experienced Backend Developer with strong Apache Spark and Scala expertise to join our digital transformation squad. You will design, develop and maintain robust backend solutions across the full development lifecycle in an Agile environment.Responsibilities include analysing user stories, implementing technical requirements,...

GFT es una compañía pionera en transformación digital. Diseñamos soluciones de negocio centradas en la inteligencia artificial (AI-Centric), modernizamos infraestructuras de TI y desarrollamos sistemas core de nueva generación para líderes del sector bancario, asegurador e industrial. En estrecha colaboración con nuestros clientes, desafiamos los...

Our Campaigns & Rewards - Product Development team in Malaga is growing, and we are now looking for a Backend Software Engineer to join!Engagement at Betsson Group ensures our customers come back for more. It's all about loyalty. We provide a world class customer experience beyond the gameplay featuring Tournaments, Dynamic personalized campaigns, and much...

We're seeking exceptional Backend Product Engineers to build the infrastructure powering the future of AI-driven email marketing. You'll design and scale systems that handle millions of emails, real-time content generation, and seamless integrations. Full-time position based in Barcelona with competitive compensation.Migma.Ai transforms email creation from a...

With more than 100,000 sensors deployed worldwide, Urbiotica is a leading player in the smart parking industry and a pioneer in the fast-growing Internet of Things sector. Through our end-to-end Smart City solutions, we actively contribute to the transformation of urban areas, helping build a more digital and sustainable environment for citizens. We're now...