Software Engineer

Freelance Technical Solutions Engineer – 6-Month Project (Helsinki)We’re looking for a data-oriented fullstack developer to join a 6-month freelance project based in Helsinki. This is a hands-on opportunity to support and enhance existing systems, contribute to data quality assurance, and implement new features in a technically complex environment. The company name will remain confidential, but rest assured, you’ll be working with a forward-thinking team on impactful data challenges. What You’ll DoSupport and improve existing Python and TypeScript scripts and pipelines. Clean, match, and import customer data (Excel/text files) into our system.

Work with SQL databases to extract, validate, and update data. Implement new features in a TypeScript-based platform. Use AI-powered tools for data quality assurance and enrichment. Collaborate on modelling and validating fund holding data. Contribute to custom reporting and exports for investor clients. Tech StackPython (Jupyter Notebook level and backend)SQL (critical for data extraction and validation)TypeScript (platform and feature development)Familiarity with LLM pipelines, REST APIs, and basic scripting. Who We’re Looking ForSomeone with a solid foundation in Python and SQL, and a willingness to grow in TypeScript.

A problem-solver with attention to detail and a passion for clean, validated data. Why Join?100% utilisation during office hours. Hybrid setup in Helsinki. Opportunity to upskill and work on advanced technical solutions. Exposure to a complex company structure and real-world data challenges. Ideal for someone completing their studies and looking to gain hands-on experience. If this sounds like your kind of challenge, send us a message to learn more or apply!