About me
Senior Backend Infrastructure Engineer with 9+ years designing scalable, full-stack architectures deployed in Docker/ Kubernetes on AWS and Azure. Proven track record building high-concurrency, event-driven services and AI-driven automation workflows while leading CI/ CD, infrastructure-as-code, and observability initiatives. Adept at delivering maintainable solutions across cloud platforms and cross-functional teams, with emphasis on performance, security, scalability, and observability.
- Location:United Kingdom
- Study:University of Gloucestershire
Education
Masters in Data Science
During my Master's studies at the University of Gloucestershire, I developed a strong foundation in data science, machine learning, and artificial intelligence through a combination of academic coursework, practical projects, and independent research.
Bachelor of Computer Science
I developed a strong understanding of fundamental computing principles and software development practices. The programme provided comprehensive knowledge of programming, algorithms, database systems, computer networks, software engineering, operating systems, and system design.
Work
AI Evaluation Specialist | Prompt Engineer | LLM Reviewer
- Creating prompts, rubrics, and evaluation frameworks for LLMs.
- Skilled in assessing AI-generated content for accuracy, relevance, reasoning, safety, and instruction adherence.
- Experienced in response ranking, data annotation, hallucination detection, RLHF-style evaluation workflows, and prompt optimisation.
Strong analytical skills backed by 9+ years of software engineering experience.
Full Stack AI Engineer
- Designed containerized microservices with NestJS and Docker, orchestrated via Kubernetes on AWS EKS, achieving 99.9% uptime; improved availability by 15% YOY.
- Implemented infrastructure-as-code using Terraform/ CloudFormation to provision VPC, RDS, and SQS, reducing provisioning time by 70% and MTTR by 25%.
- Developed high-concurrency APIs (10k RPS) with Node.js/ TypeScript, leveraging Redis caching and AWS Lambda for burst traffic; sub-100 ms P99 latency under load.
- Integrated OpenAI APIs to power AI-generated content pipelines; automated image generation and text summarization, reducing manual content creation by 85%.
- Built CI/ CD pipelines with GitHub Actions and Docker, delivering zero-downtime releases and 30% faster deployment cycles; cut rollback incidents by 40%.
Full Stack / System Engineer
- Architected event-driven data pipelines using AWS SNS/ SQS and Kinesis for real-time processing of millions of events per day; end-to-end latency under 150 ms.
- Migrated legacy services to serverless Node.js Lambda functions, cutting operational costs by 40% while maintaining sub-100 ms latency for critical paths.
- Authored Terraform modules for repeatable provisioning of VPC, RDS, and ElasticCache, enabling multi-region failover and 99.95% regional resilience.
- Implemented structured logging (Winston + CloudWatch) and metrics (Prometheus) for end-to-end observability; reduced MTTD by 60%.
- Led Git branching strategy (GitFlow) and automated testing (Cypress, Playwright) integrated into GitLab CI; improved test coverage to 92%.
Web Developer
- Built full-stack web applications using React, Vue.js, and Node.js; improved development speed by 15% through tooling and reusable components.
- Developed REST and GraphQL APIs with optimized data handling; reduced deployment time by 30% using Docker and CI/ CD pipelines.
- Collaborated with product and QA teams to deliver stable production systems; achieved 99.8% uptime across applications.
Skills
Here you can show a snapshot of your skills to show off to employers
My work
Projects
Following projects showcases my skills and experience through real-world examples of my work. Each project is briefly described with links to code repositories and live demos in it. It reflects my ability to solve complex problems, work with different technologies, and manage projects effectively.
NOVA ASSO – Association Management SaaS Platform
NOVA ASSO is a comprehensive SaaS platform designed to help sports clubs, non-profit organizations, and community associations manage their operations through a unified digital ecosystem. The platform provides modular solutions for event scheduling, team and member management, volunteer coordination, financial tracking, communication, document storage, ticketing, partnership management, and board meeting administration. Built using a modern microservices-oriented architecture, the platform leverages Next.js for the frontend, NestJS for backend services, PostgreSQL for data management, AWS cloud infrastructure, and Terraform for Infrastructure as Code. The system enables organizations to activate only the modules they need while maintaining seamless integration across all business functions. ### My Role: Senior Full Stack Engineer Designed and developed scalable backend services using NestJS and TypeScript. Architected modular microservice-based solutions for association management workflows. Developed responsive frontend interfaces using Next.js and React. Designed REST APIs and integrated multiple modules including event planning, member management, communication, volunteer management, and treasury systems. Implemented JWT-based authentication and role-based access control. Designed PostgreSQL database schemas and optimized data relationships across modules. Integrated AWS services including S3, SES/SNS, CloudWatch, and RDS. Created Infrastructure as Code using Terraform for automated environment provisioning. Implemented CI/CD pipelines using GitHub Actions for automated testing and deployment. Collaborated with stakeholders to define business requirements, system architecture, and module integration strategies. Applied best practices for scalability, security, performance optimization, and maintainability. ### Technologies Used Next.js React NestJS TypeScript PostgreSQL AWS (S3, RDS, ECS/Fargate, CloudWatch, SES) Terraform Docker GitHub Actions JWT Authentication REST APIs Microservices Architecture ### Key Achievements Delivered a highly scalable modular platform supporting multiple association types. Reduced manual administrative workload through workflow automation and notification systems. Designed a cloud-native architecture capable of supporting future AI-powered features and third-party integrations. Established a secure, maintainable, and extensible foundation for long-term platform growth.
#Next.js
#TypeScript
#PostgreSQL
#AWS
AI Content Platform - Pictuals.ai
Powerful AI Features For Event Photography Everything you need to streamline event photo sharing & management Capture, Organize, & Deliver Event Photos Instantly No Manual Work Needed!
#React
#NestJS
#OpenAI APIs
#Node.js
Online freelancing platform - JobDone
Full-stack contributions across frontend verification, backend Python/ Django, and responsive UI • Improved user engagement by 22% and reduced support requests by 18%
#Nextjs
#Python/ Django
#Flask
#CI/ CD
Donation Platform
Designed and developed a scalable donation management platform that connects donors with charitable associations and fundraising projects. The system enables secure online donations, project funding transparency, automated tax document generation (CERFA), geolocation-based project discovery, and detailed reporting for donors and organizations. The platform supports both one-time and recurring donations while integrating third-party services for payment processing, business validation, and cloud document storage. ### My Role **Lead Full-Stack Developer & Solution Architect** Designed the overall system architecture and database schema. Built RESTful APIs for donor, association, project, and donation management. Developed secure payment integrations supporting multiple payment methods. Implemented recurring donation workflows and project lifecycle management. Integrated INSEE API for SIRET business validation. Implemented geolocation-based search and proximity features. Automated CERFA tax document generation and secure cloud storage. Designed scalable backend services with a focus on performance and security. Implemented reporting, notification, and audit-tracking features. Collaborated with stakeholders to translate business requirements into technical solutions. ### Technologies React.js / Next.js Node.js / NestJS TypeScript PostgreSQL Redis AWS S3 Stripe API REST APIs Docker GitHub Actions Geolocation Services INSEE API Integration ### Key Achievements Built a secure and scalable donation platform supporting recurring and one-time contributions. Automated tax-compliant CERFA document generation. Implemented location-based association and project discovery. Designed extensible architecture capable of supporting future features and increased user growth. This format works well for Freelancer.com, Upwork, LinkedIn, and portfolio websites. [10:43 AM]## Project: NOVA ASSO Association & Sports Club Management Platform
#React
#Nextjs
#PostgreSQL
#Node.js
Technovation Town
Technovation Town is a premier global recruitment platform where you can discover the best talent to grow your business. Our platform ensures compliance with all regulations for a hassle-free recruitment with just one click. Every candidate is pre-vetted and experienced, ensuring they will drive success for your company. Technovation Town is a modern, fully responsive web application developed using React.js, TypeScript, and Tailwind CSS. The platform is designed to deliver a seamless and engaging user experience across all devices, including desktops, tablets, and mobile screens. I built the application from scratch with a strong focus on performance, scalability, and clean UI/UX design. Leveraging TypeScript ensured type safety and maintainable code, while Tailwind CSS enabled rapid development of a consistent and visually appealing interface. What I learned from the project: Building scalable frontend architecture using React and TypeScript Creating responsive layouts with Tailwind CSS Writing clean, maintainable, and reusable code Improving UI/UX design practices Performance optimization techniques for modern web apps
#React
#Tailwind
Proovia Courier Ltd
Proovia Courier is a logistics and delivery mobile application designed to streamline parcel delivery operations for businesses and individual users. The app enables real-time tracking, order management, and efficient communication between customers, drivers, and administrators. Key Responsibilities: Developed cross-platform mobile application using React Native for Android and iOS Implemented real-time parcel tracking using GPS and map integration Integrated RESTful APIs for order management, user authentication, and delivery updates Designed and developed reusable UI components for scalable architecture Implemented state management using Redux / Context API Integrated push notifications for order updates and delivery status Worked on CI/CD pipelines for automated build and deployment Key Features: 📦 Parcel Booking: Easy shipment creation with pickup & drop-off details 📍 Live Tracking: Real-time tracking of deliveries on map 🔔 Push Notifications: Instant alerts for order status updates 👤 User Authentication: Secure login & registration system 🚚 Driver Module: Assigned deliveries with route optimization 💳 Payment Integration: Online payment options (cards, wallets, etc.) 🧾 Order History: View past and ongoing deliveries ⭐ Ratings & Reviews: Feedback system for delivery service 🌐 Multi-language Support (optional) 📊 Admin Dashboard Integration (via backend APIs)
#React Native
#JavaScript
#Redux
#Google Maps API
Rolling Loud
Rolling Loud app gives fans one place to get content, sitemap, lineup, merch and more! Stay connected and get updates / information throughout the future event. Key Responsibilities: Developed a cross-platform mobile application using React Native for both iOS and Android. Designed and implemented scalable, reusable UI components for high-performance user experience. Integrated RESTful APIs to fetch real-time data such as event schedules, artist lineups, and notifications. Optimized app performance (lazy loading, memoization, efficient state management). Implemented push notifications for live updates, announcements, and artist set reminders. Collaborated with UI/UX designers to ensure pixel-perfect design implementation. Managed global state using tools like Redux / Context API. Integrated third-party services (maps, payment gateways, analytics). Ensured app responsiveness across different devices and screen sizes. Deployed and maintained apps on Google Play Store and Apple App Store, including CI/CD pipelines. KEY FEATURES: 🎤 Artist Lineup & Schedule Browse artists, stage timings, and create a personalized schedule. 📍 Interactive Festival Map Integrated maps to help users navigate stages, food areas, and facilities. 🔔 Push Notifications Real-time alerts for performance updates, delays, and announcements. ❤️ Favorites & Personal Agenda Users can bookmark artists and get reminders before performances. 🎟️ Ticket Integration Digital ticket access with QR code scanning. 📸 Social Feed / Media Sharing Users can upload and view festival moments. 💳 In-App Payments Cashless transactions for food, merchandise, and upgrades. 🌐 Offline Mode Access schedules and maps without internet connectivity. 🔎 Search & Filters Easily find artists, stages, and events. 📊 Analytics Integration Track user engagement and app performance.
#React Native
#Aws
#Segments
#One Signal
#CI/CD
Zuri Fertility
Zuri Fertility is a comprehensive fertility tracking app designed to help couples plan and optimize their chances of conception. With a user-friendly interface and powerful features, Zuri Fertility provides a seamless experience for monitoring ovulation, menstrual cycles, and other fertility indicators. Key Responsibilities: Developed the entire mobile application from scratch using React Native and TypeScript. Designed scalable and maintainable component architecture. Integrated Vimeo video streaming for educational and guided fertility content. Implemented an advanced, interactive calendar for tracking fertility cycles and health data. Built reusable UI components to ensure consistency across the app. Handled form validation, secure data handling, and error management. Collaborated with designers and backend teams to deliver a seamless product. What I learned from the project: Gained strong expertise in building scalable apps using React Native with TypeScript. Learned how to design and implement complex calendar-based features with custom logic. Improved skills in video streaming integration (Vimeo SDK/API). Enhanced understanding of health-related data handling and user privacy considerations. Strengthened knowledge of performance optimization for smooth cross-platform experience. Developed better practices for code modularization and reusable components. Learned how to manage complex state and data flow in real-world applications. Improved debugging and problem-solving skills in production-level apps. Gained experience working on user-centric design and improving UX based on requirements.
#React Native
#Calendar Integration
#Vimeo Integration
#Google Payment
Relax Sensation
Developed a relaxation and mindfulness mobile application from scratch using React Native (JavaScript). The app is designed to help users reduce stress and improve focus through calming audio experiences. It integrates a music API along with a customized audio library to deliver soothing sounds based on user preferences and time-based sequences Implemented dynamic music playback with seamless looping functionality, allowing audio tracks to play continuously without interruption. Built a time-sequenced playback system where different sounds are triggered automatically based on predefined schedules (e.g., morning, evening, sleep time), enhancing the overall relaxation experience. Key Features: Integration of third-party Music APIs for streaming audio. Custom-built audio library for personalized sound experiences. Infinite loop playback for uninterrupted relaxation sessions. Time-based music sequencing (e.g., sleep, meditation, focus modes). Smooth and responsive UI for a calming user experience. Background audio support for continuous playback. What I learned from the project: Gained strong experience in handling audio playback in React Native. Learned to integrate and manage external APIs efficiently. Improved skills in state management for real-time audio control. Implemented custom looping and scheduling logic for media playback. Enhanced understanding of user experience design for wellness apps. Worked with background processes and performance optimization. Strengthened debugging skills for media-related edge cases. .
#React Native
#Redux
#Music Integration
#Stripe Payment
Restuerant Ordering App
As one of my early projects during my bachelor’s degree, I designed and developed a fully functional restaurant ordering application using React Native. This project helped me build a strong foundation in mobile app development and user experience design. My Responsibilities: Developed cross-platform UI using React Native (vwersion 0.55). Implemented state management for cart and user sessions. Integrated APIs for menu data and payment processing. Ensured responsive design and smooth user experience . What I learned from the project: Core fundamentals of React Native development Handling user authentication and app state Integrating third-party APIs (especially payments) Building scalable and maintainable mobile app architecture
#React Native
#Restapi
#Redux
#Stripe Payment
Get in touch.
Here is a good spot for a message to your readers to let them know how best to reach out to you.
- Location
- London, UK
- @waqas-ahmad-19a800305
- Github
- webstar923