full-stack java engineer legacy modernization cloud

Factbird helps manufacturers turn real-time production data into decisions they can actually act on. Since 2016, we've helped manufacturers in 28 countries cut waste, boost uptime, and run smarter — from the shop floor to the boardroom. Over 300 companies trust us to make sense of their operations, and we're a team of 80+ people across Copenhagen and the...

Factbird is hiring a versatile full‑stack engineer to own features end to end across frontend and backend. You’ll work on React interfaces and services in TypeScript, Node.js, and Rust, operating within a large AWS environment. A Nix-backed development flow and IaC with AWS CDK are part of daily life.You’ll contribute to architecture, mentor others,...

SimCorp in København invites a Junior AI & Full Stack Software Engineer to join our Cloud & AI Accelerator team. You will help shape AI-enabled solutions across the full stack, collaborating with engineers, UX designers, and business stakeholders to deliver value.You will work with Azure, .NET, TypeScript, and Angular, building AI agents and cloud-based...

Veritaz AB in Sweden is seeking an experienced Full-stack Developer to strengthen our development capabilities across Order-to-Cash solutions. You will work with Java/Spring backend and Angular frontend, and contribute to cloud-native architectures.You will collaborate with Product Owner, Tech Lead, and multiple suppliers in an agile environment to deliver...

Factbird is hiring Full Stack Cloud Engineers to join our Cloud department in Copenhagen. You’ll work across frontend React and backend Rust/Node.js, in a multi-account AWS setup, shipping features end-to-end.We value pragmatic engineers who contribute to architecture, mentoring, and design systems, with strong English communication and a willingness to...

SimCorp in Copenhagen is seeking a Lead Software Engineer to oversee complex software features from design to delivery. This role involves setting technical direction, mentoring, and collaborating with various teams to ensure successful product releases.The ideal candidate will have over 5 years of experience in software engineering and leading complex...

RAMBØLL GRUPPEN A/S in Aarhus is seeking a Senior Software Engineer to develop user-friendly digital products. You will work with modern technologies and collaborate within a cross-functional team to drive product excellence.The role involves full-stack development and contributions to the architectural design of products that help organizations harness...

Factbird helps manufacturers turn real-time production data into decisions they can actually act on. Since 2016, we've helped manufacturers in 28 countries cut waste, boost uptime, and run smarter - from the shop floor to the boardroom. Over 300 companies trust us to make sense of their operations, and we're a team of 80+ people across Copenhagen and the US...

Factbird, based in Copenhagen, is growing its engineering team and hiring several Senior Full Stack Cloud Engineers who can move across React front end, Rust and Node.js back end, and AWS underneath it all. You’ll own features end to end, mentor others, influence architecture, and collaborate across teams. Strong testing, clean design, and clear...

Factbird is seeking a Senior Full Stack Cloud Engineer to join our Cloud team in Copenhagen. You’ll own features end-to-end across React frontend and Rust/Node.js backend in a multi-account AWS environment.We value pragmatic, proactive engineers who mentor others, shape architecture, and ship with strong testing and design. You’ll collaborate across...

SimCorp in Copenhagen is seeking a Lead Software Engineer to oversee complex software features from design to delivery. This role involves setting technical direction, mentoring, and collaborating with various teams to ensure successful product releases. The ideal candidate will have over 5 years of experience in software engineering and leading complex...

Senior Full-Stack Developer – Modern Engineering & Agentic Coding Full-time position based within commuting distance of our office in Copenhagen. What you’ll do Build, test, and deliver software using modern engineering practices such as everything-as-code, CI/CD, GitOps, automation, and open‑source principles. Work across frontend and backend...

Copenhagen Optimization is seeking a software-focused intern to contribute to our Better Airport product suite in Copenhagen. You will join a team of experienced developers and consultants to deliver customer-facing features and to learn how data analysis and optimization empower airports globally.The role involves 1–2 days per week, working in a modern...

The LEGO Group is seeking a Lead Engineer to drive BrickLink modernization, guiding the migration from legacy ASP/VBScript and Java toward a modern C#, React, and AWS stack. In this role you will shape technical direction, establish API and data platform standards, and mentor engineering teams while delivering measurable improvements in reliability and cloud...

Factbird, based in Copenhagen, is growing its engineering team and hiring several Senior Full Stack Cloud Engineers who can move across React front end, Rust and Node.js back end, and AWS underneath it all.You’ll own features end to end, mentor others, influence architecture, and collaborate across teams. Strong testing, clean design, and clear...

LEGO Group is seeking a Lead Engineer - BrickLink to shape the technical direction of BrickLink, guiding a major modernization from legacy ASP/VBScript and Java to a modern C#, React, and AWS stack. You will align engineering practices with business goals and mentor teams across Product and Engineering. You will help deliver a service-oriented architecture,...

The LEGO Group is seeking a Lead Engineer to drive BrickLink modernization, guiding the migration from legacy ASP/VBScript and Java toward a modern C#, React, and AWS stack.In this role you will shape technical direction, establish API and data platform standards, and mentor engineering teams while delivering measurable improvements in reliability and cloud...

LEGO Group is seeking a Lead Engineer - BrickLink to shape the technical direction of BrickLink, guiding a major modernization from legacy ASP/VBScript and Java to a modern C#, React, and AWS stack. You will align engineering practices with business goals and mentor teams across Product and Engineering.You will help deliver a service-oriented architecture,...

We’re looking for a senior full-stack engineer with a strong interest in building AI-first products who enjoys owning problems end-to-end – from vague client needs and early hypotheses to production-grade systems that actually get used. What You’ll Do You’ll join The Tech Collective (our Data & AI hub, specifically), where we help organisations...

Job DescriptionWe’re looking for a senior full-stack engineer with a strong interest in building AI-first products who enjoys owning problems end-to-end – from vague client needs and early hypotheses to production-grade systems that actually get used.  What you’ll doYou’ll join The Tech Collective (our Data & AI hub, specifically), where we help...