Zalion is an international AI start-up revolutionizing industrial procurement. We use cutting-edge AI agents to automate manual Source-to-Pay processes freeing up procurement teams for strategic work.
We are live with the largest companies in Europe & the US.
We love what we do. We get stuff done. We progress fast.
Tasks
- Own and ship end-to-end features from API design and data models to polished UIs and production monitoring.
- Build scalable backend APIs in Python / FastAPI
- Ship high-quality frontends using (React TypeScript) TanStack (Query / Router) .
- Design and evolve agent workflows in LangChain / LangGraph that are robust observable and debuggable (not just prompt hacks)
- Work with both structured and unstructured procurement data (RFQs emails quotes contracts)
- Build data & system integrations (ERP email supplier systems)
- Help shape our architecture reliability and engineering best practices as we grow
- Collaborate directly with founders PM and customers to understand real procurement workflows and turn them into product.
Requirements
Strong Python skills - clean maintainable well-tested code mattersProfessional experience with React / and TypeScriptExperience in data engineering and backend architectureComfortable building and scaling RESTful APIsCuriosity about how LLMs can be used in real-world settingsA builder mindset - you like to ship measure and iterate rather than bikeshedComfort with ambiguity and ownership : you spot problems propose solutions and drive them to completion without waiting for perfect specs4 years experience in relevant (Start-Up) rolesBenefits
Build AI agents that actually do thingsMassive autonomy zero bureaucracyImmediate impact your work ships fast to real customersModern stack no legacyCompetitive salary meaningful equityHigh-end equipmentTech Stack Youll Work With
Python (FastAPI LangChain LangGraph LangSmith)React TypeScript TanStack Query / RouterAWS (Bedrock ECS Fargate Lambda SQS / SNS)GitHub CI / CD Sentry & Grafana & PrometheusPostgres RedisLarge Language Models (LLMs) and evaluation toolingKey Skills
Spring,.NET,C / C++,Go,React,OOP,C#,Data Structures,JavaScript,Software Development,Java,Distributed Systems
Employment Type : Employee
Experience : years
Vacancy : 1