Empleos de backend java engineer en Madrid

Plexus Tech busca un Desarrollador Backend remoto con Python para unirse a un equipo global. Se valorará experiencia en APIs RESTful y en Django, con capacidad para trabajar de forma autónoma en un entorno 100% remoto y colaborando con ingeniería, producto y diseño. Se buscan candidatos con dominio de Python, Django (u otros frameworks), y experiencia en...

Q-tech is seeking aSenior Backend Engineer to advance their core platform for fintech clients. You’ll design and build backend services in C# / .NET, with strong focus on reliability, performance, and scalable architectures. The role blends cloud and on‑prem work in Azure, IaC, and DevOps, and requires ownership to lead technical work without people...

Mindsight Ventures in Barcelona develops AI-powered platforms that connect data, people and intelligent systems. This role bridges software engineering, cloud Dev Ops and ML deployment, designing and deploying AI-driven systems and backend infrastructure for internal and client projects. You will work with Node.js, Type Script or Python, design APIs and data...

Lighthouse is seeking a Backend Engineer focused on data acquisition to design and develop high-performance systems mainly in Rust that collect billions of data points from the web. You will work where backend engineering meets the web, including HTTP stacks, proxies and browser tooling. You will own the quality of your code, partner with crawler engineers,...

Share is hiring a Founding Software Engineer to drive the platform's payments and billing systems. You will work closely with the CTO and a dedicated team, managing critical technical domains and shipping production systems handling real transactions. We seek candidates with 7+ years of software engineering experience, mastery of Type Script and Node.js, and...

Mercanis is building the Agentic AI Procurement Suite that powers the procurement of tomorrow, digital, transparent, and intelligent. We are seeking a Backend Engineer who is excited to build modern, reliable backend services and grow their technical expertise. You will work closely with senior engineers, product managers, and designers to deliver features...

Senior Software Engineer (Backend) Our client, a cutting‑edge technology firm, is seeking a highly skilled Senior Software Engineer (Backend) to join their fully remote engineering team. In this role, you will design, develop, and maintain scalable and robust backend systems that power their innovative products. You will work with a talented team of...

Camlin Group is seeking a Backend Software Engineer to join our energy data platform. You will design and maintain backend microservices, build APIs using FastAPI, and collaborate with Frontend, Data, DevOps, and Scrum Master to deliver robust solutions. You'll work with Python, Docker, Kubernetes, MQTT and AWS on an IoT‑driven system that monitors...

A software development company in Barcelona is seeking a Backend Developer (Go) to modernize a large-scale platform. You will develop scalable microservices, manage infrastructure, and migrate legacy systems to cloud solutions. Candidates should have a Bachelor's degree in Computer Science, over 5 years of experience, and strong proficiency in Go. This...

Una empresa líder en movilidad en Barcelona busca un Desarrollador Backend con experiencia en Kotlin o Rust. Tu responsabilidad será integrar dispositivos IoT y diseñar software de backend para optimizar la conectividad de la flota de vehículos. Ofrecemos un entorno técnico diverso y multicultuarl, donde aprenderás y experimentarás en un equipo ágil....

Rechat Inc is seeking an experienced Backend Engineer to architect and maintain core services powering our CRM and Marketing platforms. You will design scalable data models and write high-performance SQL queries, ensuring robust testing and smooth API evolution. The role emphasizes collaboration with Customer Success and cross-functional teams, driving...

Chainlink Labs is seeking a Senior Software Engineer (Backend) to join a fully remote engineering team. You will design, develop, and maintain scalable backend systems powering innovative products, collaborating with product managers and frontend engineers across time zones. The role requires 5+ years in backend development, strong API design, and experience...

T-Systems Iberia sucht einen Software Engineer mit Fokus auf Generative AI-Lösungen und agentische Architekturen.Asegúrese de leer detenidamente la información sobre esta oportunidad antes de presentar su candidatura.Du entwickelst Backend-Komponenten, orchestrierst agentische Flows und integrierst Sprachmodelle, Tools sowie Datenquellen in eine...

NN Digital Hub in Madrid, part of NN Group, is seeking an Azure Developer to design and build backend solutions on Azure PaaS. You will work on modern .NET tooling, automate delivery pipelines, and drive digital transformation across NN’s global units. The role emphasizes Azure expertise, API design, and collaboration with a cross-functional team in a...

T-Systems Iberia seeks an Agency AI Engineer to design and implement backend components for AI and agent-based solutions across multiple Spanish locations. You will work on integrating language models, external tools, and data sources within a governed production platform. Ideal candidates have 5+ years in backend development, 3+ years in AI/data projects,...

Flexcompute Inc. is seeking a Senior Software Engineer (Backend) to design, develop, and maintain scalable backend systems within a fully remote engineering team. You will collaborate with cross-functional colleagues, contribute to architecture decisions, and mentor junior engineers while ensuring high-quality, robust software. This role emphasizes backend...

Grupo IskayPet busca un Desarrollador/a Golang para oficinas en Madrid. Se espera autonomía, proactividad y responsabilidad sobre el delivery, participando en diseño de producto, construcción y mantenimiento de sistemas distribuidos. Se valorará experiencia en Node.js, Golang, Java, APIs REST y entornos Cloud (AWS/GCP), así como trabajo con Kubernetes,...

Betsson Group is seeking a Backend Software Engineer for its Campaigns & Rewards – Product Development team in Málaga. You will design and build distributed backend services in .NET, collaborating with product teams to translate engagement ideas into scalable, reliable solutions. Focus areas include performance, reliability, observability, and...

affirm is hiring a Software Engineer for the Card Checkout team to build scalable backend systems powering a seamless checkout experience. This is a remote-friendly role based in Spain, with visa sponsorship available and a focus on in-app affirm Card products. You will break down projects, collaborate across product, design, and analytics, and maintain...

¿Todavía no conoces HIBERUS? Somos una empresa de #tecnología construida con un ingrediente diferencial, la HIPERESPECIALIZACIÓN.Asegúrese de presentar su candidatura con toda la información solicitada, tal como se expone en la descripción del puesto a continuación.Formar parte de hiberus significa crecimiento, pasión por la tecnología, interés...