Talha Ahmad
Senior Full-Stack Engineer with 7+ years building production systems that handle 100,000+ daily transactions. Expert in TypeScript, Node.js, and React across the full stack. Reduced API response times by 40%, cut deployment cycles by 5x, and mentored teams of up to 5 engineers. Driven by clean code, comprehensive testing (90%+ coverage), and shipping reliable products in Agile environments.
Experience
Senior Software Engineer | ImpactAdvantage | London, UK | June 2024 - Present
TypeScript, Node.js, Express.js, REST APIs, MSSQL, Azure Cloud, Docker, Kubernetes, Jest, Playwright, TDD/BDD
Architected and built scalable backend APIs (Node.js/Express/TypeScript) with multi-tenant support, serving 3 enterprise B2B clients and processing 50,000+ API requests daily with 99.9% uptime.
Designed and deployed Azure cloud infrastructure (Blob Storage, Key Vault, Table Storage, Managed Identity), reducing infrastructure costs by 35% while improving deployment reliability.
Implemented comprehensive TDD/BDD practices with Jest and Playwright, achieving 90%+ test coverage and reducing production incidents by 60%.
Established Docker containerization and automated CI/CD pipelines, cutting deployment time from 45 minutes to under 8 minutes and enabling 3x more frequent releases.
Mentored 3 junior engineers through code reviews and SOLID principles workshops, accelerating their onboarding time by 40%.
Senior Software Engineer | NTT DATA & GiffGaff | London, UK | January 2023 - March 2024
React, TypeScript, Next.js, Jest, Cypress, Chromatic, Jenkins, Azure DevOps, Storybook, Design Systems
Developed and published 10+ React components to the internal design library with 95% test coverage (Jest, React Testing Library), adopted by 4 product teams and reducing UI development time by 25%.
Implemented visual regression testing (Chromatic) and E2E testing (Cypress), reducing production bugs by 40% and cutting QA cycle time by 30%.
Stepped up as acting team lead during manager absence, coordinating 8 cross-functional tasks across 3 teams and delivering all milestones on schedule.
Partnered with product, design, and backend teams to scope and deliver 5 new features, increasing service offerings by 20% and contributing to 15% user growth.
Senior Software Engineer | Skupreme | Miami, US (Remote) | January 2021 - January 2023
JavaScript, TypeScript, Node.js, Express.js, GraphQL, REST APIs, MongoDB, AWS Lambda, Serverless, Kafka, Redis, Docker, Jest, CI/CD
Built scalable microservices (AWS Lambda, Kafka, Serverless) handling 100,000+ daily e-commerce transactions with 99.95% uptime and sub-200ms average response times.
Designed RESTful and GraphQL APIs with optimized query patterns, reducing response times by 40% and increasing concurrent user capacity by 3x.
Integrated Stripe and Plaid payment systems, improving transaction success rates by 30% and reducing payment failures by $50,000+ annually through retry mechanisms.
Collaborated with product managers to translate business requirements into technical solutions, delivering 12 features over 4 quarters that drove 25% increase in customer retention.
Mentored 4 junior engineers on backend best practices, TDD, and system design, resulting in 2 promotions within 12 months.
Skills
Full-Stack Development: TypeScript, JavaScript, Node.js, Express.js, FastAPI, React, Next.js, Redux, REST APIs, GraphQL, OAuth
Databases: PostgreSQL, MongoDB, MSSQL, Redis, Firebase, DynamoDB
Cloud & DevOps: AWS, Azure, GCP, Docker, Kubernetes, Serverless, CI/CD Pipelines, GitHub Actions
Frontend: React, Next.js, TypeScript, Redux, HTML5, CSS3, Material-UI, Tailwind CSS, Responsive Design
Testing & Quality: Jest, Cypress, Playwright, React Testing Library, TDD, E2E Testing, Unit Testing
Other Experience: Agile/Scrum, Mentorship, Code Review, System Design, API Design, Cross-functional Collaboration
Education
Canterbury Christ Church University
Canterbury, UK
Master of Science in Data Intelligence
September 2021 - November 2022
Government College University
Lahore, PK
Bachelor of Science in Computer Science - Distinction
October 2016 - October 2020
Certifications
Hong Kong University of Science | 2020
IBM | 2020
IBM | 2019
Achievements
Award of Excellence
Falcon IT Consulting | 2021
Award of Excellence
GSO-1 FGEI, [C/G] | 2014 AND FGEI [C/G] | 2016
Projects
Node.js, Express.js, Stripe, PostgreSQL (AWS Aurora), AWS, Docker, ChatGPT
As a Backend Engineer, developed the platform from scratch, integrating GEN AI APIs to enhance communication and self-expression for users. Managed the DevOps and successfully integrated GEN AI APIs.
Node.js, Express.js, MongoDB, React, Next.js, CI/CD, DevOps
As a Full stack Engineer, developed the backend and frontend from scratch. Implemented DevOps best practices, ensuring seamless deployment and operation.
Node.js, Express.js, MongoDB, React, Next.js, CI/CD, DevOps
As a Full Stack Engineer, developed backend APIs and platform for a local business. Implemented CI/CD best practices to streamline deployment and operation.
React, Next.js, Node.js, Express.js, Flutter, MongoDB, AWS
As a Full Stack Engineer, developed the backend APIs and CMS portal. Implemented CI/CD best practices to streamline deployment and operation.
Python, FastAPI, JavaScript, React, Next.js, Firebase, DevOps, BeautifulSoup
As a Full stack Engineer, developed this tool which gathers Google Scholar analytics, links, citations and represents them visually on the graphs, saving time for the authors to find co-authors, their articles and links across their network.
Node.js, GraphQL, Apollo, AWS AppSync, DynamoDB, Amplify, Cognito, Serverless, CI/CD, React, React Native
As a Backend Engineer, designed a scalable GraphQL API layer with Apollo and AWS AppSync. Implemented serverless architecture with real-time data synchronization serving thousands of users.