Freelance backend developer job

 ...professional experience building data pipelines, backend services, or similar setups. * You...  ...of five. We’re looking for a Backend Developer/Data Engineer to join us in developing...  ...frontend and external systems. * Develop API integrations * Help drive tech... 

 ...experienced in a workplace. To be surrounded by developers who they can learn from. We are truly...  ...nothing like traditional contract freelancing. We offer all our teammates:...  ...an exceptionally strong, mid-to-senior Backend Developer with an independent mindset?... 

 ...Permanent position at Twoday | Copenhagen Senior Java Backend Developer – Digital Health Digital Engineering | Copenhagen Build...  ...your experience to meaningful challenges while continuing to develop professionally alongside highly skilled colleagues. About... 

 ...Senior Backend Developer for Platform team Working with modern technologies and transforming data into information. Providing...  ...skilled and competent Software engineers with the opportunity to develop your personal competencies too. Sounds interesting? Apply now... 

 ...forsynings-virksomheder verden over med at optimere og digitalisere drift og vedligehold af kritisk infrastruktur. Vi søger en Senior Backend Udvikler, der brænder for at udvikle robuste, skalerbare og sikre Microsoft-baserede løsninger på tværs af vores projekter og... 

 ...We are working with Accutics to find an experienced backend developer who's ready to step into a lead role. Accutics is a B2B SaaS company delivering a marketing data governance and campaign-tracking platform; a single shared data language that helps global brands such... 

 ...Senior Backend developer - Platform team Our SitaWare products help Defence organizations operate confidently in complex...  ...product installer, build pipeline, and test environments, Develop new backend functionality, primarily in Java, Design and implement... 

Har du lyst til at undervise og bringe din faglige ekspertise i spil? Vi søger et antal freelanceundervisere med opstart 1. september 2026 eller snarest muligt derefter. Om jobbet Du skal kunne undervise i et eller flere af nedenstående fag på vores efter- og videreuddannelsesområde...

 ...vi yderligere op for produktudviklingen. ROLLEN SOM AI DEVELOPER INTERN Er du passioneret omkring AI, moderne webudvikling og hurtig...  ..., React og Next.js (App Router). • Styling: Tailwind CSS. • Backend & Database: Supabase (PostgreSQL, Auth, RLS). • AI &... 

 ...more information, visit  . The Role We're looking for a Backend Engineer to join our team and contribute to our Open Intelligence...  ...You will apply core software engineering principles to design, develop, and maintain the foundational systems that power our global... 

 ...of life-critical operations. What you'll be doing: Architect and maintain systems processing over 100,000 calls per day. Develop foundational infrastructure using network protocols such as SIP and SIPREC. Integrate AI capabilities into low-latency, high-... 

 ...small, dedicated company of 11. We are looking for a Fullstack Developer who is comfortable in Ruby on Rails and React / TypeScript, and...  ...a platform that thousands of builders rely on every day. * Backend (Ruby on Rails): Design and build reliable backend functionality... 

 ...playful as we grow - together. Team & role overview As our new Backend Engineer you will join Product Engineering within our...  ...Designer, Tech Lead, and a dedicated group of backend and frontend developers. Together, we collaborate closely to design seamless, intuitive... 

 ...We're hiring a Backend Engineer to join our team in Aarhus Build the infrastructure powering the AI revolution in ecommerce We...  ...curious about systems, cares about code quality, and wants to develop their craft alongside a strong technical team. Join us on... 

 ...goes through. We are a small, ambitious team of two founders, developers and analysts, entering a new chapter of investment and scaling...  ...have a real impact. Build and maintain features across our backend and frontend systems Work on real-time data pipelines that... 

 ...As a Backend Engineer you have the opportunity to work on our entire software stack and expand your knowledge about state-of-the art...  ...Messaging: Rest / JSON, RabbitMQ, Kafka; Role Responsibilities Develop parts of a highly available backend with a micro service... 

SPIRII IS LOOKING FOR A SENIOR BACKEND SOFTWARE ENGINEER. If you are passionate about cloud software development, team collaboration,...  ...growth journey to lead the way for a sustainable future. Spirii develops and provides world-class charging products and digital... 

 ...that align to our values to work with us across the Watch Collecting and Collecting Cars. Our photographers work on a completely freelance basis, and are typically introduced to vendors by our team. Who You Are You must be physically based in one of our target... 

 ...through VR-based avatar therapy? Then join our team and help us develop a medical device that improves the lives of patients. ABOUT...  ...interactions, and connecting the interface to an existing REST API. The backend and API integration are already in place, so your focus will be... 

 ...Senior Software Developer Do you want to write code that genuinely matters when...  ...codebase with a frontend in Angular and a backend in Java, troubleshooting and solving complex...  ...to drive progress and improve lives. We develop IT solutions that make a real difference... 

 ...P-1343 As a software engineer with a backend focus, you will work with your team to build infrastructure for the Databricks platform...  ...engineers more efficiently manage and operate their services. Develop tools and processes that drive engineering efficiency at... 

 ...and decrease delivery headaches.   What you’ll do As a Backend Engineer, you’ll design, implement, and optimize systems that power...  ...systems to ensure operational reliability. Platform : Develop robust APIs and developer tools to improve team efficiency and... 

 ...Diakrit søger freelance Videografer og Video Editors Der er høj aktivitet på boligmarkedet, og efterspørgslen på visuelt indhold af høj kvalitet er stødt stigende. Hos Diakrit leverer vi digitale markedsføringsløsninger til ejendomsbranchen, og vi leder efter nye talenter... 

 ...connections to a product surface that can plug into any system a new customer brings. The role will grow beyond integrations into broader backend ownership as the platform expands. WHERE YOU'LL BE BASED You'll be at our central Copenhagen HQ, working alongside our AI... 

 ...puts a language model in front of someone doing real work, so a typical feature might mean wiring up retrieval and an LLM call on the backend, then building the streaming, document-heavy UI that makes it usable.  We want someone who can carry a feature from idea to... 

 ...months ago and already have paying clients who rely on what we ship. The team is small and moving fast. The role You'll own the backend behind our AI features. That's the APIs, the data pipelines, and the orchestration sitting between our product and the language... 

 ...playful as we grow - together. Team & role overview As our new Backend Engineer you will join Product Engineering within our...  ...Designer, Tech Lead, and a dedicated group of backend and frontend developers. Together, we collaborate closely to design seamless, intuitive... 

 ...goes through. We are a small, ambitious team of two founders, developers and analysts, entering a new chapter of investment and scaling...  ...of the product. Design and build high-performance, scalable backend systems for real-time fraud detection Contribute to the... 

 ...is where it begins. We are looking primarily for a Node.js backend engineer who can also contribute to React.js frontend work when...  ...is only a guide. If you don’t tick every box, it’s ok too because it means you have room to learn and develop your career at SumUp.... 

 ...Join the Engineering team as a Senior Backend Engineer to be part of pioneering the development...  .... Our team specifically focuses on developing software that assists the medical...  ...development at Corti through mentorship of developers of all levels   What you bring: Extensive...