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Senior Full-Stack Developer / Solution Architect with over 6 years of experience building secure and scalable web platforms across SaaS, finance, and education domains. Highly skilled in React/Next.js and Node.js (NestJS/Express), with deep expertise in microservices architecture, multi-tenant SaaS solutions, and API integrations. Proven ability to own end-to-end delivery from system architecture and backend services to cloud deployments using Docker, Kubernetes, and GitHub CI/CD on AWS, Azure, and Linode while maintaining a strong focus on performance, maintainability, testing, and clear documentation.…Senior Full-Stack Developer / Solution Architect with over 6 years of experience building secure and scalable web platforms across SaaS, finance, and education domains. Highly skilled in React/Next.js and Node.js (NestJS/Express), with deep expertise in microservices architecture, multi-tenant SaaS solutions, and API integrations. Proven ability to own end-to-end delivery from system architecture and backend services to cloud deployments using Docker, Kubernetes, and GitHub CI/CD on AWS, Azure, and Linode while maintaining a strong focus on performance, maintainability, testing, and clear documentation.

MUHAMMAD ZAFEER

Full Stack Developer, Web Developer, Back-End Developer, +2

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Senior Full-Stack Developer / Solution Architect with over 6 years of experience building secure and scalable web platforms across SaaS, finance, and education domains. Highly skilled in React/Next.js and Node.js (NestJS/Express), with deep expertise in microservices architecture, multi-tenant SaaS solutions, and API integrations. Proven ability to own end-to-end delivery from system architecture and backend services to cloud deployments using Docker, Kubernetes, and GitHub CI/CD on AWS, Azure, and Linode while maintaining a strong focus on performance, maintainability, testing, and clear documentation.…Senior Full-Stack Developer / Solution Architect with over 6 years of experience building secure and scalable web platforms across SaaS, finance, and education domains. Highly skilled in React/Next.js and Node.js (NestJS/Express), with deep expertise in microservices architecture, multi-tenant SaaS solutions, and API integrations. Proven ability to own end-to-end delivery from system architecture and backend services to cloud deployments using Docker, Kubernetes, and GitHub CI/CD on AWS, Azure, and Linode while maintaining a strong focus on performance, maintainability, testing, and clear documentation.

Available to hire

Senior Full-Stack Developer / Solution Architect with over 6 years of experience building secure and scalable web
platforms across SaaS, finance, and education domains. Highly skilled in React/Next.js and Node.js (NestJS/Express),
with deep expertise in microservices architecture, multi-tenant SaaS solutions, and API integrations. Proven ability to
own end-to-end delivery from system architecture and backend services to cloud deployments using Docker, Kubernetes,
and GitHub CI/CD on AWS, Azure, and Linode while maintaining a strong focus on performance, maintainability,
testing, and clear documentation.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Work Experience

Solution Architect / Principal Software Engineer at Yellow Beam Technologies

August 1, 2024 - Present

Delivered finance and education platforms using NestJS, PostgreSQL, and Valkey/Redis with emphasis on scalability, maintainability, and secure data handling. Designed and implemented a microservices architecture enabling multi-tenant, multi-database SaaS deployments. Implemented Microsoft SAML SSO and automated user provisioning through Microsoft Graph API. Deployed and operated production workloads on Linode Kubernetes Engine (LKE) using Docker, autoscaling, and controlled rollout strategies. Built GitHub CI/CD pipelines to automate build, test, and deployment workflows, improving release consistency. Developed blockchain-based encryption and verification to protect academic records and sensitive documents. Improved API performance by implementing caching and optimization strategies with Valkey/Redis to reduce latency. Partnered with stakeholders to translate requirements into technical architecture and delivery plans, supporting iterative releases.

Senior Full Stack Developer at Black Cat Technology

January 1, 2023 - July 1, 2024

Developed and maintained web and mobile applications using React, React Native, Next.js, and NestJS across healthcare, wellness, and marketing domains. Delivered an analytics platform that aggregates and visualizes customer feedback to support data-driven product and business decisions. Built admin and business dashboards supporting end-to-end management of applications, approvals, documents, and operational processes. Implemented a tourist itinerary and discovery experience using Next.js SSR to deliver fast, SEO-friendly pages. Contributed to a CRM platform for telecom and charity operations, supporting acquisitions, invoicing, and commission tracking. Worked within a microservices architecture and implemented real-time data streaming using Kafka. Supported delivery through Jenkins-based CI/CD automation and disciplined Git workflows.

Senior Full Stack Developer at Oak Street Technologies

January 1, 2020 - December 1, 2022

Built a React Native mobile app from the ground up for a U.S. healthcare compliance product, including SCORM-based LMS functionality and Stripe payments to support seamless onboarding and purchases. Developed and maintained Vue.js microsites in collaboration with backend engineers (Laravel), delivering polished, user-focused experiences. Contributed to an HR & Payroll platform by developing core modules in Angular and supporting integrations with .NET Web APIs. Delivered key compliance features, including training and certification tracking, document/BAA management, and automated task checklists to improve operational efficiency. Supported deployment and reliability initiatives across AWS and Azure, leveraging containerization and Kubernetes, and contributed to backend services and automation (including Python scripts/utilities).