Knowledge Graphs

TL;DR We're looking for a founding AI Engineer to help build the AI colleague every sales professional wishes they had. You'll own the agent stack end-to-end - from model selection to database (knowledge graph) structure and search algorithm development. Must be curious, experimental, and obsessed with agentic systems. Why join We’re a small, talent-dense team of engineers building a generation-defining company from Stockholm. We value speed, rigour, and extreme ownership. If you're obsessed with product, thrive in ambiguity, and want to push the edge of what agents can do, you’ll feel at home. You’ll work on pushing the cutting edge in the agentic stack - including LLM fine-tuning, knowledge graphs, memory, orchestration, and intelligent retrieval. Not another chatbot. We're backed by founders and operators behind Lovable, OpenAI, Tandem Health, and Neo4j. Our customers across 10 countries report 90% less prospecting time, 3x market coverage, and 2x customer meetings. What you'll do (responsibilities) In one sentence: Build the next generation agentic system. Design and build agentic workflows powered by LLMs, vector search, and knowledge graphs Build autonomous background agents that run real revenue workflows — triggered by schedules and CRM events, working across email, CRM, and the web Own the agent stack end-to-end: from infrastructure to product logic Ship fast: test ideas, run experiments, iterate daily Shape the product, the stack, and the culture from the ground up Who you are Cracked engineer obsessed with building great software Comfortable with ambiguity, early-stage chaos, and fast iteration Thrive on new tech - LLMs, knowledge graphs, agents, you name it Care more about solving problems than polishing abstractions Fully committed to the mission: not "just a job" What we offer A team of obsessed engineers, full of speed, rigour, and grit Mission-driven, no-BS culture: experiment, ship, learn Meaningful equity through qualified employee stock options (QESO) from day one Fully on-site in Stockholm - we believe in working together Top-tier compensation package Our stack Frontend: React Backend: Typescript, Node.js, Express, Neo4j, PostgreSQL Agent: Typescript, LLMs (Claude, OpenAI, Gemini), Mastra About Spiich Labs Spiich is the agentic platform for sales teams. Reps focus on the human work — building relationships, building trust, and closing deals — while Spiich agents handle everything else: prospecting, lead generation, CRM updates, meeting prep, follow-ups, and everything in between. The system integrates knowledge graphs, memory, and agentic workflows to deliver real help - not just summarisation or search. We're backed by founders and operators behind Lovable, OpenAI, Tandem Health, and Neo4j. How we hire Submit your application Intro call with the team Technical interview Take-home exercise Join us for trial work lasting 2 days on-site. We'll see how you tick and you get to meet the team and explore whether joining Spiich feels right for you. We move fast — the full process typically takes under two weeks. How to Apply Drop us a line at filip@spiich.ai with your GitHub/LinkedIn, a note on why this excites you, and your proudest achievement. No CV needed.