Full Stack Engineer bei der JUST ADD AI (all genders)

Justadd; Hamburg; On-site; EUR 60,000 - 80,000; Full time

Benefits offered by this job

Company fitness program

BusinessBike

Company boat

E-learning course coverage

30 days of vacation

Top hardware and desks

Free organic fruit/vegetables

Job summary

A dynamic software development company in Hamburg seeks a Full Stack Engineer to develop innovative solutions from the user interface to the database layer. The ideal candidate will work directly with clients, developing both frontend and backend components, and managing database design. Candidates should have experience with Angular, Node.js, TypeScript, Python, and possess excellent German language skills. This role offers a fair salary, opportunities for professional growth, and a modern work environment.

Qualifications

• Excellent degree in Computer Science or comparable qualification.
• Several years of experience in full-stack development.
• Solid knowledge of UI frameworks, preferably Angular, alternatives include React or Vue.
• Backend experience with Node.js and frameworks like NestJS.
• Experience with databases, especially MongoDB.
• Effective communication with technical and non-technical users.

Responsibilities

• Develop frontend and backend components for web applications.
• Work directly with clients to analyze requirements and design solutions.
• Design database structures and optimize queries for performance.
• Build RESTful APIs and integrate external services.
• Mentor team members and conduct code reviews.
• Identify technical risks early and raise them.

Skills

Full-stack development

Angular

Node.js

TypeScript

Python

MongoDB

Mentoring

German language skills

Education

Degree in Computer Science or similar

Job description

Your tasks

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

Your profile

• 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 experienceYou 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

Why us?

• Successful since 2017 – and today the core of a young group of companies with over 100 highly motivated and talented people
• Short decision paths, the opportunity to get involved and take over responsibility
• Access to all current AIs and AI tools
• Modern offices. Locations in Bremen and Hamburg.
• Company fitness program, BusinessBike and our own company boat
• Coverage of costs for e-learning courses as desired
• Regular exchange: we visit and organize internal and public (AI) events
• Team events and annual offsites
• Exciting, international clients from a wide range of industries
• Fair, appropriate salary and employee participation program
• 30 days of vacation and the possibility of part-time work
• Top hardware, height‑adjustable desks and multiple monitors at every workstation
• Of course: organic fruit/vegetables, smoothie bar, ice cream flat rate, drinks (good coffee, mate, etc.)

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