8,649 Senior Backend jobs
Senior backend engineering roles owning server-side systems and APIs.
Senior Node.js Backend Engineer | Remote/Hybrid, Growth
Senior Node.js backend engineer at CareerValue near Arnhem, Netherlands, building cloud-based applications (with occasional mobile app work) in an informal, professional team. Core stack is Node.js with JavaScript/HTML/CSS; openness to frontend tasks is expected, with Angular or Laravel experience preferred.
Senior Backend Engineer - Cloud-Native Finance (AWS)
ANWB is hiring a Senior Back-end Engineer for its IT Finance team to build cloud-native backend solutions and financial applications on AWS. The role focuses on building APIs, event-driven integrations (including Workday Finance), CI/CD pipelines, and safeguarding performance and security, while coaching colleagues.
Senior Backend Engineer – Real-Time Traffic Platform (Java)
Senior backend Java engineer for NDW's Backbone platform, delivering real-time traffic information to traffic control centers and navigation services with a focus on reliability and speed. Works stand-alone in a mature DevOps team, based in Utrecht with office days on Tuesday and Thursday, 32-36 hours per week.
Senior Backend Engineer, Storage Virtualization - AI Cloud
Senior Backend Engineer on Nebius' Storage Virtualization Team, building a distributed, fault-tolerant storage system for its hyperscaler AI cloud — high-performance block and filesystem storage with sub-millisecond latency — with a focus on virtualization, networking, and data migration.
Senior Java Backend Engineer — Real-Time Traffic Platform
Senior Java backend developer joining NDW's Team Backbone in Utrecht, building APIs, scalable backend services and real-time traffic data flows in a mature DevOps team on public cloud, feeding traffic information to control centers, navigation systems and vehicle systems.
Senior .NET Backend Engineer | Azure & DDD
Senior .NET developer in Utrecht (hybrid) rebuilding a business-critical communication platform: building C#/.NET backend services and REST APIs using Azure, Azure Service Bus and Domain-Driven Design, with a focus on reliable, event-driven, cloud-native systems plus testing and CI/CD quality checks.
Senior Backend Engineer (Go)
Senior Backend Engineer on Creative Fabrica's Studio AI team in the Netherlands: architect and scale Go microservices that orchestrate high-concurrency, multimodal AI generation pipelines using Kafka/SQS async processing, gRPC/ConnectRPC, and AWS (EKS, S3, Lambda).
Marktleider zoekt medior/senior backend PHP developer
Medior/senior backend PHP developer at a 15-person market-leading scale-up (5 devs) building its own call-conversion tracking software. Day-to-day scrum work on backend features using PHP (OOP), MySQL, RESTful APIs, JSON and Git, with Laravel/Symfony experience a plus.
Senior Backend Engineer - C++/Python for Nanofabrication
Senior backend engineer at RAITH Group in the Netherlands building C++/Python back-end services on Linux for high-precision nanofabrication equipment. Day to day involves designing modular architectures, integrating with hardware, refactoring legacy code, and leading design reviews with cross-functional engineering teams.
Senior Backend Engineer
Senior Backend Engineer on Wix's CTO team in Vilnius, working hands-on with Java and Node.js (Scala a plus) to build robust backend services, adapt to diverse teams' workflows, and eliminate velocity blockers for Wix developers. Salary €5,000–8,000 gross/month including RSUs.
Senior Backend Engineer
Senior Backend Engineer building scalable APIs and microservices for a fintech financial-data platform that extracts and structures financial data using AI/NLP/ML. Core stack is Python/FastAPI with GraphQL/REST, databases and data warehouses, and CI/CD; predominantly remote with a few days per month in the New York office.
Senior Backend Engineer
Senior Backend Engineer at Mango Voice designs, builds, and maintains cloud-native applications for its business VoIP platform using Golang on AWS, on a small team handling APIs, on-call duties, and infrastructure. A potential focus is AI-driven features, agentic systems, and integrations (CRM/PMS/EHR).
Desarrollador Backend Senior - Java/Python & MQ
Senior backend developer for a two-month project (extendable based on results) in Santiago: building robust backend services with Java 17+/Spring Boot and Python, integrating message queues (RabbitMQ, IBM MQ, Kafka) and SQL; Docker is a plus. Immediate start, on-site.
Senior Backend Python Developer — Django, ETL & Cloud
Senior Python backend developer at AVOS Tech in Santiago, Chile, leading development of scalable backend solutions that connect operational systems, cloud platforms, and analytical processes. Core stack: Python, Django, Django REST Framework, relational databases, and ETL with Pandas/NumPy; cloud (Azure/AWS/GCP) and DevOps knowledge valued.
Backend Developer Python Senior
Senior Python backend developer at AVOS Tech Chile: designs scalable backend solutions, builds ETL pipelines, and models/optimizes databases (Azure SQL Server) using Django, Django REST Framework, Pandas and NumPy, while contributing to architecture decisions. On-site in Santiago, Chile.
Senior Salesforce Backend & API Engineer
Senior Salesforce Backend/API Engineer at Virtusa in Toronto, designing and maintaining backend services and APIs on the Salesforce platform — including Experience Cloud, case management, and CI/CD-driven deployments — using tools like Agentforce, Prompt Builder, and Einstein.