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Results-oriented, team-first Senior Full Stack Engineer with 8+ years building web apps and APIs across fintech, SaaS, health, and e-commerce. Strong depth in REST/GraphQL design, MongoDB/PostgreSQL data work, and AWS delivery—focused on reducing page load times, improving uptime, and shipping faster. Builds and mentors across the MERN stack (Node.js/Express/Nest.js, React/Next.js/TypeScript), integrates modern payment/identity systems, and uses AI tooling to accelerate feature delivery. Partners closely with product and design, reviews code, and leads engineering efforts through clear communication and quality testing.…Results-oriented, team-first Senior Full Stack Engineer with 8+ years building web apps and APIs across fintech, SaaS, health, and e-commerce. Strong depth in REST/GraphQL design, MongoDB/PostgreSQL data work, and AWS delivery—focused on reducing page load times, improving uptime, and shipping faster. Builds and mentors across the MERN stack (Node.js/Express/Nest.js, React/Next.js/TypeScript), integrates modern payment/identity systems, and uses AI tooling to accelerate feature delivery. Partners closely with product and design, reviews code, and leads engineering efforts through clear communication and quality testing.

Nosh Erwa N

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

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Results-oriented, team-first Senior Full Stack Engineer with 8+ years building web apps and APIs across fintech, SaaS, health, and e-commerce. Strong depth in REST/GraphQL design, MongoDB/PostgreSQL data work, and AWS delivery—focused on reducing page load times, improving uptime, and shipping faster. Builds and mentors across the MERN stack (Node.js/Express/Nest.js, React/Next.js/TypeScript), integrates modern payment/identity systems, and uses AI tooling to accelerate feature delivery. Partners closely with product and design, reviews code, and leads engineering efforts through clear communication and quality testing.…Results-oriented, team-first Senior Full Stack Engineer with 8+ years building web apps and APIs across fintech, SaaS, health, and e-commerce. Strong depth in REST/GraphQL design, MongoDB/PostgreSQL data work, and AWS delivery—focused on reducing page load times, improving uptime, and shipping faster. Builds and mentors across the MERN stack (Node.js/Express/Nest.js, React/Next.js/TypeScript), integrates modern payment/identity systems, and uses AI tooling to accelerate feature delivery. Partners closely with product and design, reviews code, and leads engineering efforts through clear communication and quality testing.

Available to hire

Results-oriented, team-first Senior Full Stack Engineer with 8+ years building web apps and APIs across fintech, SaaS, health, and e-commerce. Strong depth in REST/GraphQL design, MongoDB/PostgreSQL data work, and AWS delivery—focused on reducing page load times, improving uptime, and shipping faster.

Builds and mentors across the MERN stack (Node.js/Express/Nest.js, React/Next.js/TypeScript), integrates modern payment/identity systems, and uses AI tooling to accelerate feature delivery. Partners closely with product and design, reviews code, and leads engineering efforts through clear communication and quality testing.

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Work Experience

Senior Full Stack Engineer at Construction LS. LLC

December 1, 2022 - Present

Developed event-driven Node.js and Nest.js services over Kafka, raising throughput on real-time data flows by 45%. Rebuilt analytics dashboards in React, Next.js, and TypeScript, raising customer retention by ~20%. Tuned MongoDB aggregations and Redis caching to keep API responses under 120ms for 400K+ monthly users. Integrated the OpenAI API with LangChain.js to auto-summarize reports, saving ~150 hours per quarter. Migrated workloads to AWS ECS and Lambda with Terraform, trimming cloud cost and cutting recovery time by 30%. Improved observability using Prometheus, Grafana, and Sentry, lowering incident resolution time by 25%. Established Jest and Cypress suites in GitHub Actions, reducing regressions reaching production by 35%. Mentored 4 engineers through PR reviews and pairing, improving delivery speed and code consistency.

Full Stack Engineer at TEKSystems

May 1, 2020 - November 30, 2022

Engineered Express.js middleware and shared TypeScript libraries that unified data exchange across microservices. Optimized React and Angular components with memoization and lazy loading, cutting page load times by 30%. Modeled PostgreSQL and MongoDB schemas with indexing, keeping multi-million-row queries fast and consistent. Added a TensorFlow.js recommendation widget, increasing user click-through by ~18%. Deployed services to AWS via Jenkins and GitLab CI pipelines, doubling release frequency without added risk. Validated payment and identity flows with Jest and Supertest, lowering post-release defects by nearly 40%. Partnered with analysts and UI/UX designers in Agile sprints to align features with the customer journey.

Software Engineer at Upwork

July 1, 2018 - April 30, 2020

Built Node.js and Express REST services with MongoDB and PostgreSQL, handling 60K+ daily transactions securely. Created reusable React components for client modules for smooth API integration and consistent UI. Indexed and tuned slow SQL queries with optimized joins, reducing average response times by ~15%. Prototyped a Node.js chatbot on Dialogflow API to automate routine support replies. Configured AWS CloudWatch dashboards and structured logs for clearer visibility into bottlenecks. Verified core flows with Jest and Cypress suites, lifting test coverage from 55% to ~80%. Coordinated with frontend peers to integrate Stripe and Twilio, expanding payment and messaging features.