Umar Hafeez

Senior Software Engineer (Full Stack)

Lahore, PK.

About

Seasoned Senior Full Stack Engineer with extensive experience in delivering end-to-end cloud-native solutions across diverse industries including SaaS, FinTech, and E-commerce. Expertly builds scalable API-first systems and modern frontend architectures, leveraging technologies like Node.js, React, and AWS/Azure to achieve significant performance improvements (25-35%), 99.9%+ uptime, and accelerated delivery (20%). Drives efficiency through AI/LLM integrations, Kubernetes, and robust CI/CD pipelines, collaborating cross-functionally to achieve strategic business outcomes.

Work

Turing

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Senior Software Engineer (Full Stack)

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Summary

Led the development and deployment of cloud-native full-stack solutions, optimizing performance, ensuring high availability, and automating workflows for revenue-critical applications.

Highlights

Planned and executed cloud-native services (Node.js, Python, PostgreSQL), improving p95 latency by approximately 32% under peak transactional load.

Led frontend modernization initiatives using React, Angular, and micro-frontends, improving UI scalability, reuse, and cross-team release independence by ~25%.

Owned Kubernetes-based deployments across AWS and Azure, sustaining 99.95% uptime for revenue-critical flows.

Integrated LLM-backed document intelligence to automate workflows, reducing manual review effort by 30%.

Established CI/CD pipelines with Terraform and GitHub Actions, reducing release failures by 35%.

Automated functional, regression, and load testing (Jest, Selenium, JMeter), lowering escaped defects by approximately 22% release-over-release.

Influenced roadmap prioritization by translating technical constraints into measurable cost and scalability tradeoffs, guiding strategic development decisions.

Devsinc

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Full Stack Developer

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Summary

Delivered full-stack modular features across SaaS, fintech, and health platforms, optimizing system performance and enhancing user engagement.

Highlights

Delivered full-stack modular features using Node.js and Ruby across SaaS, fintech, and health platforms, improving feature release velocity by 30%.

Built React.js and Vue.js interfaces consumed by over 100K active users with consistent sub-second interactions.

Integrated AI-powered recommendation pipelines, boosting user engagement by 20%.

Optimized database access patterns (MySQL, MongoDB), reducing query latency by ~28%.

Deployed services on AWS using Docker for consistent environments and faster delivery, enhancing operational efficiency.

Improved observability with structured logging and metrics, reducing Mean Time To Resolution (MTTR) by 25%.

Applied unit/integration testing frameworks (Cypress, Playwright), decreasing post-release defects by ~27% and increasing coverage to 90%.

Gigalabs (Pvt) Ltd

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Software Engineer

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Summary

Developed robust backend services and interactive frontend UIs, enhancing data processing and delivering scalable features for various applications.

Highlights

Developed backend services in Node.js and Ruby, enabling efficient CRUD operations and scalable API endpoints.

Engineered component-based React/Angular UIs, delivering state-driven forms, interactive workflows, and analytics dashboards.

Tuned data pipelines and SQL/NoSQL queries, boosting processing speed by 25-40%.

Implemented caching and background processing, improving checkout response times by ~35%.

Expanded API surface consumed by partner systems, enabling 20% growth in integrations.

Assisted in cloud migration from on-premises to AWS, improving system availability and reliability.

Contributed to sprint planning and estimation, increasing predictable delivery by 15%.

Education

University of the Punjab

Lahore, Punjab, Pakistan
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Bachelor's Computer Science

Skills

Backend

Node.js, Nest.js, Express.js, Ruby on Rails, Python, Django, REST, GraphQL, JWT, OAuth, Third-party integrations, LLMs (OpenAI, Claude).

Frontend

React.js, Next.js, Angular.js, Vue.js, TypeScript, JavaScript, jQuery, Redux, Context API, Bootstrap, Material UI, Webpack, Vite.

QA and DevOps

Jest, Cypress, Selenium, Unit/Functional/Integration Testing, Jenkins, Docker, Kubernetes, Terraform, GitHub Actions.

Version Control & Project Management

GitHub, GitLab, Bitbucket, Jira, Asana, ClickUp.

Databases and Clouds

SQL (MySQL, PostgreSQL), NoSQL (MongoDB, Redis, Elasticsearch), AWS (EC2/ECS, S3, Lambda), Azure, GCP, Firebase.

Projects

ONTAB

Summary

A payment platform that enables fast, secure card-to-card, merchant payments, credit cost reduction and verification.

Frontline

Summary

It helps companies streamline safety, incident tracking, and training.

PipCare

Summary

It offers digital healthcare staffing and workforce solutions.

Hoodle

Summary

An online home-building marketplace and planning hub, enabling buyers explore new communities, builders, floor plans, and professionals to showcase offerings.