Empleos de senior java backend engineer remote en Madrid

Desarrollador Senior Java con experiencia en backend, microservicios, APIs REST, AWS y JUnit, trabajando en un proyecto bancario 100% remoto.

Job-ID: e7fbf88e-d267-44d5-a9e6-ccaaabf38256Reference: 192ae8f3-0179-4370-8fd0-aade781aa1d4Team: DataLocation: Austria, Belarus, Czech Republic, Bosnia & Herzegovina, Bulgaria, Estonia, Cameroon, Croatia, Cyprus, Armenia, Egypt, Albania, Georgia, Greece, North Macedonia, Romania, Spain, Portugal, Poland, IsraelEmployment type: Deel is the all-in-one payroll...

En Exdesis buscamos un/a profesional con experiencia en desarrollo Backend para incorporarse a un proyecto tecnológico de gran alcance, participando en el desarrollo de nuevas aplicaciones y la evolución de soluciones existentes.RequisitosExperiencia senior en desarrollo Backend con Java y Spring de al menos 4 años.Conocimientos de Oracle 19 y...

Factorial is seeking a Senior Software Engineer to join our Data Ops team. You will own the backend architecture of internal sales, invoicing, and billing applications, building resilient, scalable APIs and cloud workflows that power finance and customer experiences. You’ll collaborate with design and product, integrate payment platforms like Stripe or...

Supersonik seeks Senior Engineers to join our core team in Barcelona. You will tackle complex technical problems, shape product architecture from day one, and thrive in a fast-growing startup. You should be fluent in modern Python, async programming, and adept at building scalable, event-driven systems. You’ll work across frontend to infrastructure to...

UserWise, LLC is seeking a Principal Server Engineer to own our backend for live games with 1M+ DAU. You will design scalable Go/Python services, extend Nakama core game services, and drive performance improvements across PostgreSQL and in-memory stores. You will lead investigations, optimize distributed systems, and ensure reliability in production. The...

Playtomic is seeking a Senior Backend Engineer for the Payments team in Madrid. You will develop and maintain APIs and services to enable smooth frontend-backend communication and integrate third-party payment gateways to ensure secure transactions. You will work with cross-functional teams to design innovative solutions, optimize payment processing, and...

A leading consumer electronics retailer in Barcelona is seeking an experienced software developer to design and maintain backend services using Kotlin. The role requires at least 5 years of experience in server-side development, familiarity with Google Cloud, Docker, and Kubernetes, and a passion for agile methodologies. The position offers flexible working...

A leading super app company in Spain is looking for a Backend Staff Engineer to drive technical standards across their consumer domain. This role involves leading backend engineers, contributing to architecture decisions, and mentoring junior developers. The ideal candidate has at least 10 years of experience in backend engineering with NodeJS and...

Una empresa tecnológica en España busca un desarrollador back-end Python con experiencia en FastAPI o Flask para construir plataformas de software alineadas con la estrategia de IA. Se requiere al menos 5 años de experiencia, habilidad en sistemas distribuidos, APIs RESTful y pipelines de CI/CD. Un entorno flexible que fomenta el trabajo en equipo y un...

Stark Future SL is seeking a Senior Backend Engineer to design, develop, and operate production web services that power our AI-enabled backend. You will own critical components and collaborate across product, AI, and operations teams in a fast-moving Barcelona-based environment. Join a ambitious team building premium electric motorcycles and a scalable...

Kraken is seeking a Senior Software Engineer to lead the Consumer team, owning the architecture of Rust backend services powering trading, payments, and crypto experiences. You will drive end-to-end ownership, mentor engineers, and collaborate with product leadership to shape roadmaps. A strong emphasis on AI-assisted development and high-quality user...

Jobtailor is seeking a Senior Backend Stack Engineer to own the Translation Management System Platform and related services. You will steer architecture, reliability, and evolution across translation workflows, vendor and customer management, and multiple internal integrations. You will set scalable boundaries, document ADRs, design secure REST APIs, 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, AI Tooling based in Spain.This is a high-impact engineering role focused on building the platforms, tooling, and AI-powered capabilities that help engineering teams move faster without compromising...

Sage is seeking a Senior Backend Developer to join our HCM localisation team based in Barcelona. In this hybrid role, you will design and maintain scalable backend services for our cloud-based enterprise product. Strong expertise in Scala, MySQL, and AWS is required. The candidate will work collaboratively to improve product performance and maintain robust...

Clarivate is seeking a Senior Software Engineer for AI Product Development to join the Cortellis CMC team in Barcelona. This permanent full-time role involves the design and implementation of backend services, with a focus on AI capabilities and scalability. Candidates should have a Bachelor’s degree in a related field and over 5 years of experience in...

Actual Talentis a talent acquisition consultancy that offers Specialized Search, RPO and Talent Solutions.Our purpose is to drive the growth and fulfillment of individuals and organizations. We facilitate individuals in finding inspiring opportunities and help organizations discover professionals who will take them to the next level. We do this through...

Timup, consultora de selección, busca un/a Senior Backend Developer para evolucionar y modernizar una plataforma tecnológica en un entorno con microservicios en producción. Trabajarás con Symfony, Laravel y Node.js, migrando legacy de Laravel y consolidando servicios para una arquitectura óptima. Se requiere experiencia sólida en PHP 8.2+,...

bsport is seeking a Senior Backend Engineer to join the Community & Engagement team, building backend systems powering marketing and communications for studios worldwide. You will work on agentic AI initiatives, the marketing suite, and data foundations to enhance scalability and channel integrations. You will design and evolve backend architectures,...

Finom is seeking a Senior Backend Engineer who thinks like a product builder and thrives in a collaborative cross-functional team. You’ll own backend systems, focusing on robust, scalable financial infrastructure, in a domain team with frontend, mobile, ML/AI, and QA partners across Europe. You’ll bring deep .NET/C# expertise, experience with...