Junior Fullstack Engineer

Haiilo; Hamburg; On-site; EUR 45,000 - 55,000; Full time

Benefits offered by this job

OpenUp for you and family

Urban Sports Club

Lease a Bike

Deutschlandticket subsidy

30 days holiday

Room to grow

Job summary

Haiilo is seeking a Junior Fullstack Engineer in Hamburg to develop frontend and backend features for our AI Assistant. You will contribute to AI-powered capabilities and integrations while supporting testing, maintenance, and continuous improvement of the platform.

Join a growing software company with a collaborative engineering culture and a path to grow your skills alongside an experienced team.

Qualifications

• Hands-on experience with modern frontend technologies (Angular/TypeScript).
• Experience with Java and Spring Boot through work, university or personal projects.
• Curiosity about AI technologies and AI assistants.

Responsibilities

• Develop frontend and backend features for the AI Assistant.
• Contribute to AI-powered product capabilities and integrations.
• Support testing, maintenance, and continuous improvement of the platform.
• Shape AI Assistant capabilities from idea to delivery.

Skills

Angular

TypeScript

Java

Spring Boot

AI

Collaboration

Tools

Spring Boot

Job description

At Haiilo, we're building the digital workplace that connects employees with the information that matters to them — reliably, efficiently, every day. With Haiilo employees find their flow at work.

As our Junior Fullstack Engineer, you'll help accelerate feature delivery, improve quality, and scale the development of our AI Assistant while growing your skills alongside an experienced team.

For this role, you’ll need to be based in Hamburg and able to work from our office at least two days per week. Currently we can't offer relocation or visa support for this role.

The maximum salary budget for this position is €50,000.

What's in it for you:

• Access to OpenUp for you and 3 of your family/friends
• Urban Sports Club or Wellpass membership
• Lease a Bike scheme
• Deutschlandticket subsidy
• 30 days holiday + 2 additional self-care days
• Plenty of room to shape things in a growing software company
• Short decision-making paths and a collaborative engineering culture

What you’ll do:

• Develop frontend and backend features for our AI Assistant
• Contribute to AI-powered product capabilities and integrations
• Support testing, maintenance, and continuous improvement of the platform
• Take an active role in shaping AI Assistant capabilities, from idea generation and solution design to implementation and delivery

What we’re looking for:

• First hands-on experience with Angular and TypeScript
• First experience with Java and Spring Boot, through work, university, or personal projects
• Curiosity about AI technologies and an interest in topics like RAG and AI Assistants
• A collaborative mindset, eagerness to learn, and a proactive approach to solving problems

We encourage you to apply even if your profile does not yet meet all the requirements for the position. At Haiilo we support your personal development as well as your individuality, no matter your background.