I’m a Senior Backend / Full Stack Developer with 5+ years of experience building scalable SaaS platforms and microservices. I specialize in Python (Django, FastAPI), PostgreSQL, React JS, and cloud deployments. I deliver high-performance REST APIs, optimize backend systems, and build responsive front-ends for production applications. I thrive in startup environments, contributing real-time features and cost-effective cloud solutions. I enjoy collaborating with cross-functional teams to design robust architectures, implement efficient data models, and ship reliable software at scale. I’m always eager to learn, mentor, and drive impact through clean code, automation, and thoughtful engineering choices.

Husnain Hashmi

I’m a Senior Backend / Full Stack Developer with 5+ years of experience building scalable SaaS platforms and microservices. I specialize in Python (Django, FastAPI), PostgreSQL, React JS, and cloud deployments. I deliver high-performance REST APIs, optimize backend systems, and build responsive front-ends for production applications. I thrive in startup environments, contributing real-time features and cost-effective cloud solutions. I enjoy collaborating with cross-functional teams to design robust architectures, implement efficient data models, and ship reliable software at scale. I’m always eager to learn, mentor, and drive impact through clean code, automation, and thoughtful engineering choices.

Available to hire

I’m a Senior Backend / Full Stack Developer with 5+ years of experience building scalable SaaS platforms and microservices. I specialize in Python (Django, FastAPI), PostgreSQL, React JS, and cloud deployments. I deliver high-performance REST APIs, optimize backend systems, and build responsive front-ends for production applications. I thrive in startup environments, contributing real-time features and cost-effective cloud solutions.

I enjoy collaborating with cross-functional teams to design robust architectures, implement efficient data models, and ship reliable software at scale. I’m always eager to learn, mentor, and drive impact through clean code, automation, and thoughtful engineering choices.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
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Language

English
Advanced
Urdu
Fluent

Work Experience

Senior Python Developer at MentorSol
December 1, 2024 - Present
Built 15+ FastAPI/REST endpoints powering core SaaS features for 30,000+ users, boosting usage by 40%. Architected microservices infrastructure, cutting average API response time by 60%. Integrated GPT-4 via LangChain to automate support responses, saving 20+ hours/week. Designed real-time NLP-based assistant using FastAPI and WebSockets. Set up CI/CD with GitHub Actions and Docker, reducing deployment time from 2 hours to 8 minutes. Secured auth systems using OAuth2 and JWT with RBAC across services. Led caching and async queues with Redis and Celery, ensuring zero downtime during peak loads. Mentored junior developers, boosting team throughput by 35%.
Backend Engineer at ProjectZ
December 1, 2024 - September 6, 2025
Built secure Django REST APIs for healthcare data (2M+ monthly API calls). Optimized PostgreSQL performance with indexing, reducing query latency by 40%. Integrated Stripe for subscription billing, increasing monthly revenue by 22%. Enabled real-time notifications via Django Channels and WebSockets. Monitored reliability with Prometheus and Grafana dashboards.
Backend Developer (Full Stack) at Irha Tourism
November 1, 2022 - September 6, 2025
Developed Django backend and REST APIs for tourism platform (5,000+ annual bookings). Built role-based admin panel with React and DRF for operations staff. Implemented email/SMS notifications and deployed via Docker on AWS EC2. Cut infrastructure costs by 25% through autoscaling and cloud optimization.
Senior Python Developer at MentorSol
December 1, 2024 - Present
Developed 15+ FastAPI/REST endpoints powering core SaaS features for over 50,000 users, driving a 40% boost. Architected a microservices system, cutting average API response time by 60% and improving scalability. Built CI/CD pipelines with GitHub Actions & Docker, reducing deployment time by 90%. Implemented secure user authentication using OAuth2 and JWT with RBAC across services. Led Redis caching and Celery task queues for async workflows under peak loads. Authored comprehensive Pytest suites achieving 90%+ code coverage across services. Mentored junior developers, increasing team delivery velocity by 35%.
Senior Software Engineer (Contract) at Turing
September 1, 2025 - November 19, 2025
Analyzed and triaged GitHub issues across major open-source Python repositories; set up and configured repositories including Dockerization and environment setup; evaluated unit test coverage and reliability across multiple complex codebases; ran and modified codebases locally to assess LLM performance in real-world debugging scenarios; collaborated with AI researchers to identify complex repos and edge-case issues; led and mentored junior developers, providing code reviews and technical guidance; contributed to AI x Software Engineering initiatives enabling autonomous debugging tools.
Senior Python Developer at MentorSol
December 1, 2024 - November 19, 2025
Built 15+ FastAPI/REST endpoints powering core SaaS features for 10,000+ users, boosting usage by 40%. Architected microservices infrastructure, cutting average API response time by 60%. Set up CI/CD with GitHub Actions and Docker, reducing deployment time from 2 hours to 8 minutes. Secured auth systems using OAuth2 and JWT with RBAC across services. Led caching and async queues with Redis and Celery, ensuring zero downtime during peak loads. Mentored junior developers, boosting team throughput by 35%.
Backend Engineer at ProjectZ
December 1, 2024 - December 1, 2024
Built secure Django REST APIs for healthcare data (2M+ monthly API calls). Optimized PostgreSQL performance with indexing, reducing query latency by 40%. Integrated Stripe for subscription billing, increasing monthly revenue by 22%. Enabled real-time notifications via Django Channels and WebSockets. Monitored reliability with Prometheus and Grafana dashboards.
Backend Developer (Full Stack) at Irha Tourism
November 1, 2022 - November 1, 2022
Developed Django backend and REST APIs for tourism platform (5,000+ annual bookings). Built role-based admin panel with React and DRF for operations staff. Implemented email/SMS notifications and deployed via Docker on AWS EC2. Cut infrastructure costs by 25% through autoscaling and cloud optimization.

Education

BSc in Computer Science at Superior University, Lahore
January 11, 2030 - September 6, 2025
BSc in Computer Science at Superior University, Lahore
January 11, 2030 - November 19, 2025

Qualifications

AWS Certified Developer
January 11, 2030 - September 22, 2025

Industry Experience

Software & Internet, Professional Services, Computers & Electronics, Healthcare, Media & Entertainment