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I’m a senior full-stack engineer with 8+ years of experience building responsive web applications, REST APIs, dashboards, and data-driven workflows. I focus on delivering fast, reliable user experiences across roles, including learning platforms, admin/management panels, and content management flows. I’ve worked extensively with React.js, Next.js, Node.js, and Express.js, along with PostgreSQL and MongoDB for scalable data modeling and optimization. I’m strong in authentication and authorization (including RBAC), performance tuning, and end-to-end delivery with testing tools like Jest and Postman, so products stay stable as traffic and usage grow.…I’m a senior full-stack engineer with 8+ years of experience building responsive web applications, REST APIs, dashboards, and data-driven workflows. I focus on delivering fast, reliable user experiences across roles, including learning platforms, admin/management panels, and content management flows. I’ve worked extensively with React.js, Next.js, Node.js, and Express.js, along with PostgreSQL and MongoDB for scalable data modeling and optimization. I’m strong in authentication and authorization (including RBAC), performance tuning, and end-to-end delivery with testing tools like Jest and Postman, so products stay stable as traffic and usage grow.

Omarsajid

Full Stack Developer, Developer, Back-End Developer, +6

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I’m a senior full-stack engineer with 8+ years of experience building responsive web applications, REST APIs, dashboards, and data-driven workflows. I focus on delivering fast, reliable user experiences across roles, including learning platforms, admin/management panels, and content management flows. I’ve worked extensively with React.js, Next.js, Node.js, and Express.js, along with PostgreSQL and MongoDB for scalable data modeling and optimization. I’m strong in authentication and authorization (including RBAC), performance tuning, and end-to-end delivery with testing tools like Jest and Postman, so products stay stable as traffic and usage grow.…I’m a senior full-stack engineer with 8+ years of experience building responsive web applications, REST APIs, dashboards, and data-driven workflows. I focus on delivering fast, reliable user experiences across roles, including learning platforms, admin/management panels, and content management flows. I’ve worked extensively with React.js, Next.js, Node.js, and Express.js, along with PostgreSQL and MongoDB for scalable data modeling and optimization. I’m strong in authentication and authorization (including RBAC), performance tuning, and end-to-end delivery with testing tools like Jest and Postman, so products stay stable as traffic and usage grow.

Available to hire

I’m a senior full-stack engineer with 8+ years of experience building responsive web applications, REST APIs, dashboards, and data-driven workflows. I focus on delivering fast, reliable user experiences across roles, including learning platforms, admin/management panels, and content management flows.

I’ve worked extensively with React.js, Next.js, Node.js, and Express.js, along with PostgreSQL and MongoDB for scalable data modeling and optimization. I’m strong in authentication and authorization (including RBAC), performance tuning, and end-to-end delivery with testing tools like Jest and Postman, so products stay stable as traffic and usage grow.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Senior Full Stack Engineer at Nov2 2023 – Prese n t Emphasoft

November 1, 2023 - Present

Built responsive learning work-flows using React.js, Next.js, and Tailwind CSS, improving p95 page load from ~1.37s to ~340ms on desktop and mobile. Implemented secure Node.js authentication and REST APIs with role-based access control (RBAC), reducing authentication-related production incidents from 7 to 2 per quarter. Designed PostgreSQL schemas for courses, accounts, enrollments, and content to support ~2.4x concurrent dashboard activity without schema rewrites. Delivered interactive learner dashboards and course-management/admin modules using Redux to clarify progress, enrollment, and administrative workflows for instructors and admins.

Senior Full Stack Engineer at Nov2 023 – present Empha soft

November 1, 2023 - Present

Built responsive learning workflows using React.js, Next.js, and Tailwind CSS, reducing p95 page load time from 1.37s to 340ms on desktop and mobile. Implemented secure Node.js authentication and REST APIs with role-based access control (RBAC), reducing auth-related production incidents from 7 to 2 per quarter. Designed PostgreSQL schemas for courses, accounts, enrollments, and content to support 2.4x higher concurrent dashboard activity without schema rewrites. Developed interactive learner dashboards and course management modules using Redux, clarifying progress, enrollment, and administrative work processes for instructors and admins.

Senior Full Stack Engineer at Remote

November 1, 2023 - Present

Architected and delivered marketplace features including product listings, search, and user accounts using Next.js and Node.js & Python. Developed secure user authentication, password reset, email verification, and session management using JWT and OAuth2. Integrated Stripe, PayPal, and Shippo APIs for payment processing, transaction logging, and shipping logistics. Optimized REST API performance using batching, caching, and pagination techniques, reducing response times by 40%. Implemented role-based access control (RBAC) and enforced secure coding standards to mitigate OWASP top 10 risks. Developed ecommerce marketplace platform using Next.js and Node.js, contributing to a 20% increase in overall business performance. Enhanced application test coverage to 90% and optimized processing times, improving reliability and efficiency. Developed and deployed serverless components on AWS Lambda, achieving 99.9% uptime for over 100K active users. Collaborated with remote product and design team

Senior Software Engineer at Devsinc

October 31, 2023 - July 15, 2025

Built and maintained e-commerce platforms with marketplace features like cart, checkout, payments, order management, and seller dashboards. Integrated third-party APIs such as Stripe, Google Maps, Twilio, Segment, and Google Analytics. Developed backend services with Node.js, NestJS, and Django, writing unit and integration tests with Jest. Reduced page load times by 25% by optimizing frontend design for multiple devices. Conducted load testing and performance tuning to support up to 200K requests per day during seasonal surges. Deployed scalable applications on AWS using Docker and ECS, implemented environment-specific builds and secrets handling. Set up monitoring and alerting via CloudWatch and Sentry, significantly reducing mean time to recovery (MTTR).

Senior Software Engineer at Emphasoft

November 1, 2021 - Present

Led React-to-Next.js front-end architecture for AI recruitment workflows using TypeScript, Redux, and responsive component design, reducing manual recruiter workflow effort by ~60%. Restored and polished recruiter dashboards (React, Next.js, CSS, state management), reducing onboarding time by ~35% across candidate workflows. Refactored multilingual interview, fraud-detection, and candidate-tracking interfaces around FastAPI and MongoDB services, improving matching accuracy by ~45%. Implemented real-time interviews, notifications, and WebSocket status updates to resolve cross-device inconsistencies and improve responsiveness. Improved maintainability via component cleanup, debugging, and GitHub Actions dependency/secret/container handling with automated test checks for secure releases.

Senior Full Stack Engineer at G2iD

October 1, 2021 - October 1, 2023

Designed RESTful service contracts using Express.js and OpenAPI, reducing p95 API latency for account and content operations from 812ms to 247ms. Optimized MongoDB schemas and Mongoose queries for user, course, and administrative data, reducing median catalog query time from 186ms to 74ms. Added Redis caching for high-read catalog paths, increasing sustained read throughput by 2.1x during peak browsing activity. Validated responsive cross-browser workflows with Jest and Postman to catch regressions across dashboards, authentication, and content management before release.

Senior Software Engineer at G2i Inc

October 1, 2021 - October 31, 2023

Engineered LLM-powered document-template interfaces using React, TypeScript, and Node.js, reducing manual editing effort by ~50%. Refactored Dockerized MERN front-end services within Kubernetes and Kafka workflows, increasing background job throughput by ~65%. Built collaborative React interfaces using WebSockets with synchronized debugging state and responsive real-time interactions for editing. Optimized MongoDB- and PostgreSQL-backed application flows and AWS deployments, accelerating analytics cycles by ~40%. Translated product requirements into maintainable component specifications and partnered with product, ML/data, and DevOps teams to deliver new features.

Software Engineer at Axillio

September 30, 2021 - July 15, 2025

Developed multi-tenant web applications with marketplace structures including B2B and B2C interfaces using Node.js, Python, and Express. Created scalable APIs with versioning and granular permissions for vendor, buyer, and admin roles. Integrated ElasticSearch for advanced product search, boosting query relevance and speed for large product datasets. Built a review and recommendation system using user feedback, product ratings, and browsing history. Participated in sprint reviews, demos, and technical documentation to align with stakeholders. Ensured platform reliability by implementing unit, integration, and E2E tests using Jest and Cypress.

Full Stack Engineer at Systems Limited

June 1, 2018 - September 1, 2021

Built data-driven web workflows and REST integrations for operational applications, processing 1.8M records per day for analytics and reporting. Developed reusable frontend components and responsive interfaces, standardizing user experiences across desktop, tablet, and mobile. Implemented database models, validation, and server-side business logic, lowering failed administrative submissions from 6.8% to 2.9%. Documented API integration patterns and database design decisions to enable distributed delivery teams to troubleshoot and extend production systems independently.

Software Engineer Systems at Systems Limited

June 1, 2018 - September 30, 2021

Developed a responsive MERN application with React, Node.js, and REST APIs enabling real-time patient classification from uploaded X-rays. Integrated Python VGG-16/CNN inference into Node.js microservices, achieving ~92% classification accuracy and ~89% F1 score. Deployed Dockerized MERN workloads on AWS EC2 supporting concurrent users with reliable, scalable access and uninterrupted production availability. Optimized MongoDB queries, data modeling, and Express APIs, reducing prediction latency by ~30%. Maintained SOC2-aligned controls through access reviews, secure deployment practices, and audited documentation to strengthen production readiness.