Empleos de senior backend engineer en Zaragoza

bunch is building the backbone of private markets. We are enabling next-gen fund operations with one integrated system that combines secure data infrastructure, AI-powered workflows and expert fund services. If you value ownership, growth through real responsibility, and working with a thoughtful, ambitious team, this role might be for you.Your RoleYou will...

About PleoMessy spend management is tricky business. And tedious processes are a lose-lose situation for all involved, not just finance. At Pleo, we're changing that. We build spend solutions that make managing money seamless, empowering, and surprisingly effective for finance teams and employees alike - with a vision to help all businesses 'go beyond'.The...

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. We are looking for a proactive problem-solver with a strong understanding...

About the RoleNuestro cliente, una innovadora startup tecnológica con sede en Santander, Cantabria, está buscando un Desarrollador Senior Backend altamente cualificado y con experiencia para unirse a su equipo de forma totalmente remota. Esta posición es crucial para el desarrollo y mantenimiento de nuestra plataforma escalable y de alto rendimiento....

Affie in Spain is seeking a software engineer to own and deliver quarterly goals for your team, leading engineers through ambiguity to solve open?ended problems, and ensuring that everyone is supported throughout delivery. You will collaborate with product, design and analytics to articulate constraints, define a technical plan for major features, write high...

Triptease is hiring for a backend-focused engineer who thrives in distributed systems and a fast-paced startup culture. You'll work with TS/Node/React in a small, autonomous squad, shipping features end to end and contributing to production performance and reliability.You'll collaborate closely with product managers and other engineers, participate in pair...

Olx is seeking a Senior Software Engineer (Backend) for a fully remote engineering team. You will design and maintain scalable backend systems, collaborate with a talented group, and influence architectural decisions while embracing a flexible, remote-first culture across Spain, with occasional meetups in Córdoba or nearby regions.The role requires 5+ years...

Pleo is seeking a Senior Backend Engineer to join the Bank Infrastructure team, building payment rails and ensuring reliable money movement. You will integrate with banks and partners, ensuring accuracy, scalability, and resilience.You will collaborate across compliance, finance operations, and product, while mentoring peers and driving observability...

Jobgether is seeking a Senior Backend Software Engineer (Onboarding) based in Spain. You will design and operate backend services supporting onboarding and identity verification journeys, including KYC/KYB, sanctions checks, and risk assessments.You will build scalable APIs and integrate with third-party providers and workflows. You will collaborate with...

Ball Corporation is seeking a Back End Engineer to support and improve back-end production processes across regional manufacturing sites. You will provide technical expertise for installations, audits, troubleshooting, maintenance optimization, best practice implementation, innovation initiatives, and capital projects.The role partners with plant leadership,...

Mercor is seeking a Senior Backend Software Engineer for a fully remote contract role. You will design, develop, and maintain scalable backend systems while collaborating with a global team. Strong API design, cloud experience, and containerization are essential for success.The position offers flexible remote work, opportunities to influence architecture,...

Gilytics AG is seeking a Backend Lead to own the server-side engine for Pathfinder — handling geoprocessing, spatial data APIs and backend services. This hands-on senior role emphasizes ownership, code quality, and collaboration with Frontend, DevOps and GIS Data teams.You will guide architecture, mentoring, and agile delivery while integrating AI...

bunch is building the operating infrastructure for private markets, offering a unified platform with AI-powered automation and regulatory expertise. This role focuses on shaping backend systems, ensuring scalability, reliability, and fast delivery of features that matter to customers.You will collaborate with a global team, own architectural decisions, and...

Trading 212 is seeking Senior Backend Engineers to own backend services end to end across a microservices platform. You will design, build, test, deploy and operate production systems, collaborating with product and engineering teams to turn complex requirements into durable solutions.You'll work with Java, Go, Node.js and databases, focus on performance,...

Grafana Labs is seeking a Senior Engineer for Pyroscope, our open-source profiling platform, in a fully remote role across the global team. You will own end-to-end projects, design core database components, and align with customers to shape the product roadmap while maintaining a strong focus on reliability and cost efficiency.We value collaboration across...

Location: Remote Europe (Spain, Portugal, Germany or the UK)This is a chance to build at real scale on an app that millions of people use every day. You'llbe working on the backend systems that keep everything running smoothly. The team isexperienced, the environment is genuinely autonomous, and there's a real pathway to TechLead or Engineering Manager if...

Affirm, Inc. is seeking a Senior Backend Engineer to design, build, and scale robust backend systems for a fully remote engineering team. You will design, test, and deploy features, collaborating with product managers, designers, and frontend engineers to deliver high‑quality software.The role requires 5+ years of backend experience and proficiency in...

Sinch AB in Spain is seeking a Senior Software Engineer for the Context Storage team to design, build and own the core data platform that captures, persists, and serves conversational context to AI agents operating across SMS, WhatsApp, and voice at scale.You will work on Go services, Kafka and DynamoDB on AWS, with a focus on event-driven pipelines, data...

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...

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 from anywhere, with occasional travel for meetups in Spain.You will mentor peers, contribute to architectural decisions, and collaborate with product managers and...