8,456 Senior Backend jobs
Senior backend engineering roles owning server-side systems and APIs.
Senior Backend Software Engineer – Node.js & Data
Senior hands-on backend engineer building scalable Node.js/TypeScript services and data-intensive applications: high-performance REST APIs, MongoDB data modeling and optimization, Redis/BullMQ background jobs, third-party data integrations, and optionally AI/LLM features. On-site in Dubai or remote.
Senior Backend Engineer — Node.js & Data APIs (Remote/On-site)
Sharkhood Tech is hiring a Senior Backend Engineer in Dubai to design scalable backend systems, manage large datasets, and build high-performance REST APIs on its platform team. Core stack: Node.js, TypeScript, NestJS/Express, and MongoDB, working alongside Product, Web, Data, and AI teams.
Senior Backend Engineer - Java/Spring Microservices, Cloud
UMATR is hiring a Senior Backend Engineer in Abu Dhabi to design, build, and run scalable backend systems using Java Spring Boot microservices and distributed, cloud-native architectures. The role owns services from design through production with a focus on performance, security, and reliability, plus mentoring peers.
Senior Software Engineer (Backend focus)
Senior backend-leaning full-stack engineer joining a growing Belfast team (18 people) on a major platform programme: building full-stack apps, integrating with large-scale enterprise systems, and shaping architecture alongside US engineering teams. Core stack is React, Ruby and AWS, with AI coding assistants used throughout development.
Senior Backend Engineer - Build Scalable, Reliable APIs
Senior Backend Engineer at DFYNE (Uddingston, UK) to own and scale backend platforms, delivering reliable, scalable APIs and robust systems. Day to day involves driving architectural decisions, raising technical standards, and contributing to incident response, mentoring, observability and performance work.
Senior Backend Engineer
Senior Backend Engineer owning complex features end-to-end on Bridgewise's flagship B2B SaaS investment-AI platform: designing and scaling high-throughput Python microservices on AWS Kubernetes, building Kafka event-driven pipelines and NoSQL data layers (Couchbase, Redis) for tier-1 financial institutions.
Senior backend-разработчик — интеграции
Senior backend developer focused on integrations at МПФИТ. Remote work available for a Moscow-based position, paying 250,000–300,000 RUB net per month.
Senior Software Engineer, Backend (Identity Data)
Senior backend engineer building identity infrastructure for customer onboarding, authentication, and verification across multiple digital products. Designs highly available, low-latency distributed systems in Python or Kotlin on AWS, MySQL, and Kubernetes, while mentoring engineers and sharing on-call in a remote-first Canadian team.
Senior Backend Engineer
Senior Backend Engineer at Qedma builds and scales the software infrastructure behind its quantum computing platform — core backend services and APIs, distributed job orchestration, and cloud/on-prem infrastructure — using Python, Docker, Kubernetes, Terraform, and AWS, integrating with quantum hardware providers.
Senior Java Backend Developer - Spring Boot / Kubernetes / Kafka - Barcelona (Híbrido)
Descripción del puestoEn The Whiteam Consulting estamos buscando un/a Senior Java BackEnd Developer centrado en el desarrollo y soporte de los componentes backend de productos internacionales de alto impacto. El rol…
Senior Java Backend Developer – Spring Boot / Kubernetes / Kafka – Barcelona (Híbrido)
Senior Java backend developer building and supporting high-impact international products with Java 17+, Spring Boot, REST APIs, Apache Kafka, and Kubernetes on AWS. Hybrid role in Barcelona (40% onsite / 60% remote) with an Agile team and occasional travel to Munich.
Senior Java Backend Developer - Cloud-Native Microservices & Cryptography
Senior Java Backend Developer at Giesecke+Devrient in Barcelona, leading end-to-end development of secure, cloud-native microservices for the Trusted Service Manager (TSM) platform. Core stack: Spring Boot 4, Spring Cloud/Data, MongoDB, Docker/Kubernetes, CI/CD, with deep focus on cryptography (PKI, certificate lifecycle, key management) and automated testing.
Backend Developer Senior Python | Arquitectura Ai - Remoto - Remoto
Senior Python backend developer for a strategic GenAI project: define scalable architectures, build Python/FastAPI libraries and microservices, and provide technical mentoring to other teams. Remote position based in Spain.
Desarrollador/A Backend Java Senior | Kafka, Spring Boot Y Microservicios | Remoto
Senior backend Java developer at Krell Consulting, designing and maintaining microservices with Java 17+, Spring Boot and Apache Kafka using event-driven and hexagonal architecture, with CI/CD and testing. 100% remote, but candidates must already reside in one of the specified Spanish regions.
Desarrollador/A Backend Senior Java-Spring Boot-Microservicios - €35.000 - €40.000 Al Año - Remoto
Senior Java backend developer for a tech company specializing in digital signature and certified communications. Designs, builds, and maintains scalable REST APIs and microservices with Java/Spring Boot and MySQL, participating in the full SDLC (design to CI/CD deployment), with remote work and flexible hours in Spain.
Desarrollador/A Backend Senior Java-Spring Boot-Microservicios - €35.000 - €40.000 Al Año - Remoto
Senior backend developer (3+ years) designing and building Java/Spring Boot microservices and scalable REST APIs for a company specializing in digital signature and certified communications. Day-to-day covers the full software lifecycle — design, development, CI/CD, performance tuning — using MySQL, Git, GitLab/Jenkins and Linux, with remote work in Spain.
Senior Backend Developer
IT consultancy Mensoft Consultores seeks a Senior Backend Developer to join a stable project for one of its major clients, working 100% remotely from Madrid. Day-to-day work is Java/Spring Boot microservices and REST APIs, integrating enterprise systems via IBM MQ and Kafka, with PostgreSQL and Kubernetes/Helm deployment.
Senior Backend Developer
Senior Backend Developer at Accude for a long-term hybrid project in Madrid (3 days office, 2 remote): designing and maintaining high-performance Java/Spring backend services and RESTful APIs, working with SQL/NoSQL databases, cloud platforms (AWS/GCP/Azure), and Docker/Kubernetes CI/CD tooling.
Desarrollador Backend .Net Senior – Remoto/Híbrido - €30.000 - €46.000 Al Año
Senior .NET backend developer (6+ years of experience) for a technology company in Spain, working remotely or in a hybrid setup, building backend systems using domain-oriented architecture and CI/CD. Permanent contract with a €30,000–€46,000 annual salary.
Desarrollador Backend Java Senior
Buscamos un Backend Developer Java con sólida experiencia en desarrollo de aplicaciones y arquitecturas basadas en microservicios para incorporarse a un proyecto del sector seguros en Barcelona. Se valorará…