I specialize in building robust backend systems and fluid frontend interfaces. Based in India, currently solving data problems at Ecomlytix.
Reviews
Kenny Joseph
Cryptodashboard - Upwork
"Great work from Osaf. He did the project exactly as requested"
Carl Johan Larrson
Mock Service in Supabase - Upwork
No written review provided
Experience
Ecomlytix
Aug 2022 - PresentFreelance Full Stack Developer
• Built the entire application from scratch using Next.js and Nest.js, ensuring a modular, scalable, and maintainable architecture
• Designed and implemented RESTful APIs with Nest.js, integrating PostgreSQL databases for reliable data flow and performance.
• Configured and deployed infrastructure on DigitalOcean Droplets, managing Nginx, SSL (Certbot), and environment setup for production and staging environments.
• Set up CI/CD pipelines using GitHub Actions to automate testing, building, and deployment of both frontend and backend services.
• Implemented secure environment variable management and CORS policies to streamline communication between microservices.
• Designed and optimized database schemas for performance and scalability using PostgreSQL.
• Automated daily scheduler jobs using BullMQ for backend data synchronization and updates.
• Managed Domain, DNS, and HTTPS configuration for seamless frontend–backend integration.
Zenduty
Jan 2025 - Aug 2025 (8 Months)Software Engineer
• Built serializers, viewsets and endpoints in Django and Django REST Framework powering 10+ interactive dashboard features.
• Minimized database hits through query optimization, improving API response times by 75%.
• Developed reusable Ant Design components to display key data for sales and technical teams.
• Created a custom scheduler to run tests sequentially, and parallelly, reducing the overall runtime by 60%.
• Enhanced Zenduty website reliability by developing a comprehensive PyTest and Cypress suite. Used daily by 8+ developers and QA engineers for code validation.
Algo Financials
Aug 2022 - Dec 2022 (3 Months)Python Developer
• Launched an asynchronous API utilizing FastAPI and MongoDB, accelerating data processing speeds by 90% compared to previous synchronous systems, reducing server latency by 30 milliseconds.
• Established seamless connectivity between FastAPI and MongoDB using Pydantic and Beanie.
• Implemented 15 new API endpoints, controller and services for enhanced data querying capabilities.
• Orchestrated the refactoring of order history storage using Redis, accelerating query response times by 75% and enabling faster retrieval of customer purchase information for support teams.
