Senior Full Stack Developer
Full-Stack Engineer
Available for hire
Years of
experience
5+ years
Experience
level
Senior
Available
for
Full-time, Part-time, Contract, Freelance
Available from
03 Jul 2026
Full Stack Developer with 5+ years of experience building scalable SaaS platforms using Ruby on Rails, Node.js, React.js, Python, Flask, FastAPI and PostgreSQL.Strong background in API architecture, distributed systems, and cloud deployments. Recently focused on AI-powered applications including LLM integrations, RAG pipelines, AI chatbots, and developer workflow automation using Python. Passionate about building intelligent tools that enhance productivity and product capabilities for global teams.
Skills
Languages
Employment History
Senior Full Stack Engineer at
Stack Hub
Current
2023
-
Now
- Led full-stack developer, architected, and engineered a SAAS platform.
- Implemented a secure and seamless Stripe payment gateway integration.
- Developed a secure authentication system using the Devise gem.
- Efficiently automated deployment on Render, reducing manual deployment time by 60%.
- Developed RESTful API’s to support seamless communication with mobile application.
- Provided continuous support, promptly resolving bugs and issues to maintain optimal functionality.
- Spearheaded the creation of a new API/v3 version of the backend, enhancing compatibility with third-party applications. Utilized Swagger for comprehensive API documentation.
- Upgraded Node.js packages and Ruby gems, ensuring the application's security and performance
- Engineered innovative features that led to a remarkable 20% reduction in user response time.
- Implemented websocket and client-websocket for seamless communication between third party API and front-end.
- Built AI‑assisted development workflows using LLM APIs.
- Developed internal AI chatbot prototypes using Python and LLM APIs.
- Implemented Retrieval Augmented Generation (RAG) pipelines for contextual knowledge search.
Ruby on Rails Developer at
Fleet Apps
2022
-
2023
Successfully integrated third-party APIs such as Stripe and Driver-Check.
Provided experitse as DevOps and managed deployments on AWS Lightsail while
overseeing the s3 bucket and EC2 server.
Ensured GDPR compliance with a focus on secure user data protection and removal.
Streamlined fine creation services, boosting financial penalty management efficiency by 70%.
Software Engineer at
Coding Cops
2020
-
2022
Built responsive websites using HTML, CSS, SCSS, and javascript, ensuring optimal
viewing experience across different devices.
Worked on 3rd Party integrations like Recaptcha, Intercom and Launch Darkly
Introduced a trial feature to restrict trial-based user access to specific application
functionalities and a SignUp Trial module, simplifying the process of granting access to
new users and businesses, reducing the marketing team's workload by 20%.
Conducted debugging and troubleshooting to improve overall stability and performance.
Assisted in quality assurance by conducting thorough testing and bug fixing.
Revamped the product website using Webflow for a modern and improved user
experience.
Education
Bachelor of Computer Science at
University of Engineering & Technology Lahore
2015
-
2020