AI Engineer

About Happeo

Happeo is a Series B startup revolutionizing how organizations collaborate and communicate through our unified social intranet platform. We combine collaboration tools, knowledge sharing, and internal communications into one seamless solution that helps teams connect and stay aligned.

We pride ourselves on our dynamic, collaborative culture that emphasizes delivering high-quality solutions while fostering professional development. No bureaucracy, just smart people building things that matter.

About the Role

You'll be working with our development team to build Happeo's proprietary technology for intranet information management. The platform helps organizations discover information quickly, identify gaps or outdated content, and streamline creation and sharing workflows. We're launching into Open Beta with some exciting challenges around content intelligence and search.

Our Stack

React/React Native frontends, Python/Node.js/Java backends, running on GCP (App Engine, Cloud Run, Kubernetes, Cloud SQL, Firestore, VertexAI).

What You'll Do

Ship AI solutions from zero to production with minimal oversight. You'll have significant autonomy to define technical approaches, make architectural decisions, and drive product direction. This isn't a role where you'll be given detailed specs – you'll need to form opinions about what to build, how to build it, and why it matters.

Your Typical Day

• Own entire features from ideation to production deployment

• Make technical decisions independently while collaborating with cross-functional teams

• Identify product opportunities that others might miss and champion them

• Optimize performance and scalability based on your assessment of priorities

• Stay current with AI/ML developments and decide which ones are worth adopting

What We're Looking For

• Experience in developing production grade AI agents, MCP servers, and tooling for agents

• A deep understanding of using AI technology, especially LLMs/NLP to solve practical problemsBackend experience (Node.js or Python preferred)

• Strong proficiency in AI/ML libraries

• RAG, vector databases, graph databases

• Cloud platform experience (preferably GCP)

• Self-directed problem solver who thrives in unstructured environments

• Comfortable making decisions with incomplete information and defending your choices

• Product sense: you care about building things users actually want

Nice-to-have

• Docker/Kubernetes

• Java backend experience

• Data engineering and ETL pipelines

• DevOps/CICD experience (MLOps/LLMOps)

Location

This role is based in Helsinki, Finland. The working mode is Hybrid. If needed, we’ll support you with relocation and Visa application. .

Perks and benefits

• A competitive salary and equity plan

• Flexible office setup with remote and hybrid working possibilities

• Full 5-weeks holiday policy from day one

• Comprehensive benefits, including healthcare, lunch, and phone subscription

• Top-tier work equipment you need to succeed

• A strong karaoke culture at practically every company event! 

Come as you are

Happeo is committed to unbiased recruitment, ensuring that all prospective employees – regardless of background, gender, race, age, or any other characteristic – are given equal consideration. We value different perspectives and encourage people of all identities, experiences, and abilities to apply. If you’re passionate about the role and meet the qualifications, we’d love to hear from you – your unique background and experiences are welcome here. If you like us but this job isn’t quite right for you, please submit an open application through our website. You may be the perfect candidate for our next opening!