Freelance Full Stack Developer – Website & Mobile App

About SOCIETRACK SOCIETRACK is a growing SaaS platform that helps apartment communities, rental properties, and PGs/hostels manage income, expenses, maintenance collections, and financial reports. We are looking for an experienced and technically strong developer to work on our existing website, web application, and mobile app. Roles & Responsibilities Take ownership of debugging, maintaining, and improving the existing codebase. Identify and fix technical issues independently. Review existing code and suggest improvements to architecture, performance, and maintainability. Verify financial calculations, reports, and core application workflows. Develop and improve features based on business requirements and customer feedback. Work on backend APIs, database functionality, and integrations. Support mobile application debugging, testing, and updates. Improve application stability, performance, and user experience. Coordinate with the existing developer and management. Maintain code through Git/GitHub and provide clear technical documentation. Required Technical Skills React.js and JavaScript / TypeScript Python / FastAPI or equivalent backend framework PostgreSQL / Supabase or similar database REST API development and integration Debugging and working with existing codebases Git and GitHub Responsive web development Experience with mobile application development Preferred Skills Supabase authentication, database policies, and security Capacitor, React Native, or Flutter Android and iOS application deployment SaaS product development Experience with financial, accounting, or reporting applications Candidate Requirements 3–5 years of practical development experience. Strong debugging and independent problem-solving ability. Able to review existing code and recommend better technical solutions. Good communication and timely delivery. Must share a portfolio, GitHub profile, or examples of previous projects. What We Offer Flexible freelance / part-time engagement Opportunity to work on a live SaaS product Work from home with flexible hours Direct coordination with the founder Opportunity for long-term engagement based on performance Scope to contribute technical ideas and improvements