Senior AI Engineer (Agentic Systems)
VainuFinland2 days ago
Full-timeRemote FriendlyEngineering, Information Technology
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About Vainu
At Vainu, we believe AI works when Vainu powers it. We provide GTM teams with verified Nordic company data, ensuring that AI agents act on facts, not guesses.
We are a team of 80 people across Finland and Sweden, with most of our 15-person in-house engineering team based in Helsinki. To lead the "agentic shift," we are looking for a Senior AI Engineer, a pragmatic builder, to join our team dedicated to Vainu’s AI offering.
Key Details
Together with your colleagues, you will move beyond simple prompt engineering to design and implement complex agentic systems. We are building multi-source environments where AI acts as a reliable teammate, and we need your expertise to lead the architecture of these workflows.
You are expected to bring deep experience in designing and implementing complex agentic systems. You’ll be the person who knows what it takes to build and optimize LLM-driven workflows, helping the team navigate the nuances of orchestration and performance.
Your Core Focus
We are looking for an experienced developer who understands the "plumbing" of modern AI.
While the focus is on agentic design, the following skills will help you navigate our broader stack:
You’ll be joining at a pivotal moment as we define how Nordic business data is consumed by AI. You will have the freedom to influence our AI architecture and the support of a team that values accuracy and verifiable data above all else.
Are you ready to build the future of GTM AI?
The Process
Ready to define how AI agents work at Vainu? Here’s what comes next:
At Vainu, we believe AI works when Vainu powers it. We provide GTM teams with verified Nordic company data, ensuring that AI agents act on facts, not guesses.
We are a team of 80 people across Finland and Sweden, with most of our 15-person in-house engineering team based in Helsinki. To lead the "agentic shift," we are looking for a Senior AI Engineer, a pragmatic builder, to join our team dedicated to Vainu’s AI offering.
Key Details
- Role: Backend-focused Senior Developer, AI Offering Team
- Location: Helsinki, Finland (Our office is in Hakaniemi)
- Work Model: Hybrid: 2–3 days/week at the office
- Compensation (Gross, Annual): €66,000 – €84,000 based on experience and seniority
Together with your colleagues, you will move beyond simple prompt engineering to design and implement complex agentic systems. We are building multi-source environments where AI acts as a reliable teammate, and we need your expertise to lead the architecture of these workflows.
You are expected to bring deep experience in designing and implementing complex agentic systems. You’ll be the person who knows what it takes to build and optimize LLM-driven workflows, helping the team navigate the nuances of orchestration and performance.
Your Core Focus
- Agentic Design: Architecting specialized agents that collaborate, self-correct, and execute complex GTM tasks.
- Orchestration: Designing state machines and workflows for long-running AI processes using frameworks like LangGraph, CrewAI, or similar.
- Workflow Optimization: Refining LLM instructions and workflow loops to ensure reliability, groundedness, and cost-efficiency.
- Source Integration: Leading the logic for how agents query and synthesize data from various heterogeneous sources to provide context-aware responses.
We are looking for an experienced developer who understands the "plumbing" of modern AI.
- Complex Agentic Systems: You have a proven track record of designing and implementing complex agentic systems. You understand task decomposition, routing, and multi-agent collaboration.
- Python Mastery: Strong professional experience in Python development.
- Data Source Integration: You have the experience and understanding required to integrate various data sources into agentic workflows effectively.
- LLM Optimization: You know how to optimize LLM-driven workflows—from function calling and tool definition to evaluation and observability.
While the focus is on agentic design, the following skills will help you navigate our broader stack:
- Backend Frameworks: Experience with Django or FastAPI.
- Modern Protocols: Interest or experience with MCP (Model Context Protocol).
- Data Stack: Experience with MongoDB and its search capabilities, or working with Vector Databases.
- Builder Attitude: A pragmatic approach to solving problems and an interest in seeing your work in production.
You’ll be joining at a pivotal moment as we define how Nordic business data is consumed by AI. You will have the freedom to influence our AI architecture and the support of a team that values accuracy and verifiable data above all else.
Are you ready to build the future of GTM AI?
The Process
Ready to define how AI agents work at Vainu? Here’s what comes next:
- HR Screening Call
- Online Interview
- Technical Session & Live Coding (Preferably at the Helsinki office—a great chance to meet the team!)
- Reference Calls
- Decision
Key Skills
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