Freelance: Software Developer (Python, SQL, JavaScript, Next.Js)
All potential candidates should read through the following details of this job with care before making an application.Location: Leuven, Belgium (3 days onsite per week)Contract: Initial 12‐month freelance contract with likely extensionsWe're looking for an experienced Freelance Software Developer to help build innovative digital tools supporting the sustainable transition of the semiconductor supply chain. You'll work on developing new net‐zero features that give users full control over supply chain data, models, and impact calculations.Responsibilities:Design and implement new net‐zero features across a Python backend, SQL database, and JavaScript/Next.Js frontendCollaborate closely with Life‐Cycle Assessment (LCA) experts to define data formats, architecture, and information flowsBuild functionality for downloading and uploading supply chain characterization dataEnsure interoperability with other LCA tools while delivering a clear, user‐friendly experienceIntegrate your work into an existing large-scale codebase, continuously improving code qualityWork closely with a cross‐functional software teamRegularly demo progress and gather feedback from technical stakeholdersExperience:Strong professional experience with PythonExperience working in and extending large, collaborative codebasesHigh standards for code quality, clarity, robustness, and maintainabilityExperience in one or more of the following is highly valued:Life‐Cycle Assessment tools or data formats (e.G. ILCD, Brightway, ecoSpold)SQL database design and managementJavaScript and Next.Js, with attention to UX/UI and user feedbackBackground in semiconductor manufacturing, materials, chemicals, or engineering is a plusComfortable working both independently and as part of a teamProactive, creative, and accountable delivery mindsetIf this sounds like a good fit, please apply or reach out for a confidential discussion. xjsrcvq We are happy to share further details about our client and the role.