backend developer

Help build the next generation of interactive sports experiences at Trackman.Trackman is a global leader in sports tracking technology, trusted by professional athletes, coaches, teams, and sports organizations around the world. We are looking for a Unity Developer or Senior Unity Developer who is passionate about building high-quality interactive...

Work in USA in Aalborg, Denmark is seeking a Junior Fullstack Developer to join our growing tech team. You will develop and maintain both front-end and back-end web applications using HTML, CSS, JavaScript and backend languages like Java, Python, or Node.js.This entry-level role welcomes recent graduates and those eager to start a career in web development....

Veritaz AB is seeking three senior Java Developers to join a team delivering backend services in a banking environment. You will design and implement microservice-based solutions, develop Spring Boot applications, and work in containerized OpenShift environments from concept to production.You will collaborate with architects, developers and business...

A dynamic technology company in Copenhagen seeks a Senior Backend Developer to join its development team. This role involves troubleshooting technical issues, mentoring junior developers, and improving existing systems. Ideal candidates must have strong skills in PHP and Laravel, along with experience in SQL databases and RESTful APIs. The office, located in...

CERN's Scientific Information Service in the OSI Department seeks a backend engineer to design, develop, and operate Python/Django applications, APIs, and data workflows for platforms used by researchers worldwide.You will bring ML/AI capabilities into production, including semantic search, RAG, embeddings, and the Model Context Protocol, while collaborating...

A recruitment agency is seeking a Full Stack Developer to join a small, experienced team in Egå, Denmark. The role focuses on backend development, using technologies such as Java, Spring Boot, and Kafka to manage complex data systems. You will work in a collaborative environment, taking real ownership of projects that offer challenges beyond standard...

Twoday is seeking Senior Backend .NET Developers to deliver healthcare digital solutions in Copenhagen. You will work on a large-scale platform, shaping architecture, data models and secure deployments while collaborating across suppliers to ensure reliability and quality.The role combines development and operation, with emphasis on secure coding,...

Kold+Partners is collaborating with Accutics to find an experienced backend developer for a lead role in Copenhagen. You will work on a PHP/Laravel platform, contributing significantly to backend development and collaborating closely with a small team.The position offers opportunities to influence product direction and grow into a more senior role while...

SkyCrew in Kolding, Denmark is seeking a highly skilled QA Engineer to join our dynamic team. You will develop and execute test plans, test cases and scripts to assure the quality of web and mobile products across backend systems, collaborating with developers to resolve issues.Responsibilities include identifying defects, performing both manual and...

HCLTech is seeking a backend and infrastructure developer to support two infrastructure changes in the NDT platform: migrating the data layer from blob storage to a (semi-)structured database and moving model inference from Databricks onto a Kubernetes GPU cluster. You will design and implement the required infra alongside the Vestas Kubernetes team, owning...

Karnov Group Denmark is seeking a mid-level Ruby developer to join our content acquisition team in Copenhagen or Stockholm. You will work on backend-heavy systems that crawl online resources and publish structured metadata to our CMS, with some frontend tasks along the way.You’ll use Ruby, Rails, Sidekiq, Docker and Kubernetes, write tests with RSpec, and...

NORRIQ Danmark søger en Senior Backend Developer til at bygge kernen i vores platform i et hybridt arbejdsmiljø i Danmark. Stillingen kræver stærk erfaring med C#/.NET, API-first løsning og event-drevne integrationer mod ERP/økonomisystemer.Du vil eje tekniske løsninger fra arkitektur til produktion, udvikle NuGet-pakker og deltage i...

SimCorp is seeking a Senior Software Engineer in Copenhagen to contribute to the Transactions & Private Debt product area. You will join an experienced team focusing on backend development, improving product delivery, and integrating new technologies.The ideal candidate has strong skills in C#/.NET and a willingness to learn APL. The role offers a global...

Twoday is seeking a Senior Backend .NET Developer to join a major Danish healthcare delivery in Copenhagen. You will build and operate business-critical software with emphasis on reliability, security and maintainability, contributing to a modern AI-assisted engineering setup.You’ll work across the software lifecycle, from analysis to deployment,...

Norlys Energy Trading A/S is offering a student Software Developer role focused on backend development within our Market Communication platform in Aalborg. The role emphasizes building real software and data flows, with close collaboration among experienced developers during the program.You will work on backend development, data pipelines and automation that...

AccuRanker is seeking a Senior Backend Developer for Data Collection and Infrastructure in Aarhus. You will scale the ingestion pipeline, add new search surfaces, and design storage and query paths for vast time-series data. You will own services end to end from design to production, balancing cost, latency, and reliability. The role focuses on distributed...

A leading trading platform is seeking a Senior Backend Engineer to enhance its cutting-edge trading platform based in Copenhagen. This position demands strong skills in Java Spring boot and backend development, coupled with excellent collaboration and communication abilities. You will work in a fast-paced agile environment to optimize the platform and ensure...

Overview Are you a seasoned backend engineer who thrives on building scalable, event-driven systems in a cloud-native environment? Do you want to be part of a team shaping the infrastructure and core services behind a leading e-commerce platform? Then please go on reading. To our client Whiteaway Group, we are looking for a Senior Backend Engineer for their...

Veritaz AB in Sweden is seeking a Senior Fullstack Developer with a strong backend focus to join our IT staffing team. You will develop scalable backend solutions with C# and .NET 8, build Web APIs, and own early-phase architecture decisions.You will collaborate with business stakeholders, architects and developers to translate requirements into robust...

Overview We are on a mission to ensure everyone has access to medical expertise, no matter where they are. Half the world still lacks access to quality healthcare. Even in advanced systems, outcomes are uneven, and clinicians are overwhelmed. Medical knowledge grows faster than human capacity can keep up. Corti exists to close that gap. Our AI platform...