backend engineer

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,...

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...

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...

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...

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...

Elastic is building high-performing backend ingestion pipelines for observability data. You will design, implement and operate scalable features across mOTLP endpoints and agentless integrations, supporting cloud providers and edge sources. You will own projects from concept to delivery, mentor peers, and participate in on-call rotations to keep systems...

Merkle, a dentsu company, is hiring a Junior Java Software Engineer to join our Barcelona community. You will design and implement Java backend services in an agile team, focusing on code quality and test-driven development.You will work across the development lifecycle, cover RESTful services, ORM with SQL, and collaborate with experienced engineers to...

Product Enablement is growing!We're looking for one Mid or Senior Backend Engineer to join Product Enablement. Alongside the data fixes and developments we already deliver, the team will take on bug handling. That gives the platform development teams more room to focus on the roadmap.Why this change?Moving bug handling into Product Enablement lets the...

Cheiron just raised an $8 million seed round led by Menlo Ventures to build the operating system for drug programs.Company OverviewIn July 2026, Cheiron announced an$8 million seed round led by Menlo Ventures, bringing total funding to$13 millionto date, with the backing and strategic support of industry veterans including Moderna co-founder and MIT...

We are bsport. The place to be!bsport is an all-in-one platform combining boutique fitness and advanced technology. Our platform helps our partners manage their bookings, payroll, marketing and more, to streamline operations and boost their commercial success.Since we launched in 2019, we have already achieved the following:- We’ve built a community of...

Technology alone does not create impact-the right teams do. Founded in 2018, Parser is a boutique technology services and consulting firm helping global organisations solve complex business challenges through digital transformation, product development and Al enablement.We are a fast-growing team of 340+ engineers and consultants across Europe (UK, Spain,...

Betsson Group in Málaga is seeking a Senior Backend Software Engineer to join our Development team. You will design and build distributed backend services using .NET, driving containerization and cloud migration while collaborating closely with product teams.You will contribute to scalable, reliable, and observable systems, participate in architecture...

PrimeIT España busca profesionales con al menos 5 años de experiencia en .NET moderno, orientados a backend y servicios distribuidos. La posición contempla trabajo remoto desde Madrid con visitas a oficina al menos una vez al mes, y posibilidad de movilidad para proyectos nacionales e internacionales.La empresa ofrece plan de carrera, formación continua...

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...

WorldFirst is seeking an experienced Infrastructure Engineer to design and deploy scalable data center infrastructure and ensure high availability for payment systems. You will evaluate performance and security considerations while coordinating with cross-functional teams to implement robust solutions.The role involves analyzing production incidents,...

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 platform...

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...

FledgeWe are a boutique Talent search firm connecting exceptional Talent with the most innovative companies in the AI and software development industries across EMEA. Our clients are among companies with innovative products that have a positive impact on our societies, and we present them with a solution model between fine consulting and flexible recruitment...

The mission of Speechify is to make sure that reading is never a barrier to learning.Over 50 million people use Speechify’s text-to-speech products to turn whatever they’re reading – PDFs, books, Google Docs, news articles, websites – into audio, so they can read faster, read more, and remember more. Speechify’s text-to-speech reading products...