← Jobs

Full Stack Developer Needed – Existing SaaS Platform Improvements

Budget: $200.0 FIXED / ⭐ 5.00 (12) United Kingdom

software-debugging, windows-azure, next.js, api-integration, react-js, api

# Full Stack Developer Needed – Existing SaaS Platform Improvements ## Budget Fixed Price: £200 ## Project Overview We have an existing SaaS platform that is already functional and actively developed. The platform includes: * Web application * Backend APIs * Cloud infrastructure * AI-powered functionality * Customer-facing workflows We are looking for a developer who can review the platform, identify weaknesses, fix critical issues, improve code quality, and help make the system more stable and production-ready. This is not a greenfield project. ## Current Technology Stack ### Frontend * Next.js * React * TypeScript * Tailwind CSS ### Backend * FastAPI * Python * REST APIs ### Database * PostgreSQL * Redis ### Infrastructure * Docker * Kubernetes * Microsoft Azure ### Mobile * iOS Application * Android Application ### Cloud & DevOps * Azure Services * CI/CD Pipelines * Containerized Deployments ## Scope of Work The successful candidate will: * Review the existing codebase * Review architecture and application structure * Identify technical debt * Fix critical bugs * Improve code quality where appropriate * Improve maintainability * Improve application performance where possible * Review deployment and infrastructure setup * Review Azure configuration and recommendations * Review API integrations * Provide recommendations for future scalability ## Deliverables 1. Codebase review 2. Architecture review 3. Technical debt assessment 4. Critical bug fixes 5. Code cleanup/refactoring where necessary 6. Performance improvement recommendations 7. Azure infrastructure review 8. Mobile application review (iOS & Android) 9. Final handover document with findings and recommendations ## Required Skills * Next.js * React * TypeScript * FastAPI / Python * PostgreSQL * Docker * Kubernetes * Microsoft Azure * Mobile app development experience (iOS / Android) * Experience working with existing SaaS products ## Nice to Have * AI application experience * LLM integrations * SaaS platform experience * Cloud architecture experience * DevOps experience ## To Apply Please provide: * Relevant SaaS projects * Experience with Azure * Experience with mobile applications * GitHub profile * Portfolio or case studies * Availability Please start your proposal with the word **REVIEWED** so I know you have read the full project description.
Openen op Upwork