Full Stack Engineer at JUST ADD AI (all genders)

About the role

As a Full Stack Engineer, you shape innovative software solutions from the user interface to the database layer. You are familiar with modern web technologies and develop scalable applications. You work directly with clients from various professions (e.g., from the construction industry), understand their problems, and translate them into well-thought-out technical solutions. Frontend & Backend: You develop frontend and backend components for web-based applications
Client Work: You work directly with clients, analyze requirements, and design solutions
Databases: You design database structures and optimize queries for performance
APIs: You build RESTful APIs and integrate external services
Mentoring: You mentor team members, conduct code reviews, and promote best practices
Risk Management: You identify technical risks early and raise them
Coding Assistants: You develop, test, and document making the most intensive use of LLM-based coding assistants
End-to-End: You are involved in the development from conception to deployment
You hold an excellent degree in Computer Science or have a comparable background
You have several years of experience in full-stack development
You have solid knowledge of modern UI frameworks, preferably Angular, alternatively React or Vue
You have backend experience with Node.js and frameworks such as NestJS
You have excellent programming skills, live by best practices, and have successfully shipped software projects with TypeScript and Python to production
You get the maximum out of LLM-based coding assistants: parallel sessions, MCP tools, Agent.md, workflow automation – and you are constantly looking for ways to become even more productive
You have experience with databases, especially MongoDB
You have an eye for clean code and good user experience
You have a hands-on mentality and prefer action over discussion
You enjoy mentoring others and sharing your knowledge
You enjoy working in a team and can communicate effectively with people of different professions (technical and non-technical)
You have excellent German language skills
You have a strong sense of responsibility and identify risks early on
Through your motivation and self-discipline, you achieve a high quality standard, deliver results on time, and motivate other team members
You use modern tools, including AI, to work more efficiently
Successful since 2017 – and today the core of a young group of companies with over 100 highly motivated and talented people
AI thrives on exchange: We organize events like the  THINK REACTOR Meetup and regularly attend community gatherings like  AI Tinkerers . Come by and get to know us!
Short decision-making paths and the opportunity to contribute and make a difference
Access to all current AI models and AI tools (e.g. Cursor, Claude Code, Codex)
Modern offices at the headquarters in Bremen and coworking spaces in Hamburg and Oldenburg.
Company fitness, BusinessBike, and our own company boat
Coverage of e-learning courses of your choice
Regular team events and annual offsites
Renowned international clients from a wide range of industries
Fair, competitive salary and profit sharing
30 days of vacation and the option for part-time work
Top hardware, height-adjustable desks, and multiple monitors at every workstation
Obviously: organic fruit/vegetables, smoothie bar, unlimited ice cream, beverages (great coffee, mate, etc.)