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I am a Senior Full Stack Engineer with 9+ years of experience building scalable, high-performance web applications across SaaS, fintech, and eCommerce domains. I specialize in React 18 and Node.js 20, designing API-first systems, microservices architectures, and cloud-native platforms. I focus on delivering production-grade applications with performance optimization, clean architecture, and excellent user experience. I excel at building end-to-end solutions—from responsive frontend interfaces to scalable backend services and distributed cloud infrastructure. I enjoy collaborating with cross-functional teams, driving architecture decisions, and mentoring engineers to raise the overall quality and velocity of the product.…I am a Senior Full Stack Engineer with 9+ years of experience building scalable, high-performance web applications across SaaS, fintech, and eCommerce domains. I specialize in React 18 and Node.js 20, designing API-first systems, microservices architectures, and cloud-native platforms. I focus on delivering production-grade applications with performance optimization, clean architecture, and excellent user experience. I excel at building end-to-end solutions—from responsive frontend interfaces to scalable backend services and distributed cloud infrastructure. I enjoy collaborating with cross-functional teams, driving architecture decisions, and mentoring engineers to raise the overall quality and velocity of the product.

Benjienhadz Amaro

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

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I am a Senior Full Stack Engineer with 9+ years of experience building scalable, high-performance web applications across SaaS, fintech, and eCommerce domains. I specialize in React 18 and Node.js 20, designing API-first systems, microservices architectures, and cloud-native platforms. I focus on delivering production-grade applications with performance optimization, clean architecture, and excellent user experience. I excel at building end-to-end solutions—from responsive frontend interfaces to scalable backend services and distributed cloud infrastructure. I enjoy collaborating with cross-functional teams, driving architecture decisions, and mentoring engineers to raise the overall quality and velocity of the product.…I am a Senior Full Stack Engineer with 9+ years of experience building scalable, high-performance web applications across SaaS, fintech, and eCommerce domains. I specialize in React 18 and Node.js 20, designing API-first systems, microservices architectures, and cloud-native platforms. I focus on delivering production-grade applications with performance optimization, clean architecture, and excellent user experience. I excel at building end-to-end solutions—from responsive frontend interfaces to scalable backend services and distributed cloud infrastructure. I enjoy collaborating with cross-functional teams, driving architecture decisions, and mentoring engineers to raise the overall quality and velocity of the product.

Available to hire

I am a Senior Full Stack Engineer with 9+ years of experience building scalable, high-performance web applications across SaaS, fintech, and eCommerce domains. I specialize in React 18 and Node.js 20, designing API-first systems, microservices architectures, and cloud-native platforms. I focus on delivering production-grade applications with performance optimization, clean architecture, and excellent user experience.

I excel at building end-to-end solutions—from responsive frontend interfaces to scalable backend services and distributed cloud infrastructure. I enjoy collaborating with cross-functional teams, driving architecture decisions, and mentoring engineers to raise the overall quality and velocity of the product.

Skills

Experience Level

Expert

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Language

English

Fluent

Work Experience

Senior Full Stack Engineer (React / Node.js) at NetEffect IT

September 1, 2024 - March 1, 2026

Enterprise SaaS – Cloud Contact Center & AI-driven Customer Experience Platform. Built scalable frontend applications with React 18 and TypeScript 5; developed backend services using Node.js 20 with NestJS 10 and Express 5; designed RESTful and GraphQL APIs; implemented real-time features with WebSockets; deployed microservices on AWS EKS with Docker 24; handled authentication/authorization with JWT and OAuth 2.0; optimized PostgreSQL 16 queries, implemented Redis caching; built reusable frontend components, managed state with Redux Toolkit 2 and React Query 5; integrated third-party APIs; implemented CI/CD pipelines with GitHub Actions and Jenkins; added logging, monitoring, and observability; led architectural decisions and mentored engineers.

Full Stack Engineer (React / Node.js) at Gymshark

August 1, 2022 - August 1, 2024

Global eCommerce Platform – High-scale retail & digital experience systems. Developed full-stack applications using React 18 and Node.js 20; backend services for order management, inventory, and user systems; designed scalable REST APIs for high-traffic workflows; implemented secure authentication & authorization; optimized PostgreSQL 16 & MySQL 8 performance; built responsive, high-performance frontend interfaces; managed state with Redux Toolkit 2; data fetching with React Query 5; integrated third-party services (payments, analytics); implemented caching with Redis; built background processing and async workflows; contributed to CI/CD pipelines and automated deployments; ensured system reliability and fault tolerance.

Full Stack Engineer (React / Node.js) at Karbon

March 1, 2021 - March 1, 2022

Enterprise SaaS – Workflow automation & analytics platform. Worked on full-stack applications using React 17 and Node.js 16; built REST APIs and modular backend architecture; designed PostgreSQL 14 schemas and queries; implemented backend services using Express and service-based patterns; developed workflow automation systems and dashboards; created reusable frontend components with React and TypeScript; integrated third-party APIs; implemented background jobs and asynchronous processing; improved performance with caching (Redis) and optimization techniques.

Full Stack Developer (React / Node.js) at Novare Technologies

May 1, 2018 - January 1, 2021

Freelance Software Development for SMB & SaaS clients. Built full-stack applications using React 16 and Node.js 14; developed REST APIs and integrated frontend applications; designed MySQL 5.7 and PostgreSQL 12 databases; implemented authentication & authorization; created reusable frontend components and backend modules; migrated legacy systems to modern JavaScript architectures; optimized performance across frontend and backend; integrated third-party APIs and dashboards; delivered dashboards and reporting systems; collaborated with clients in Agile sprints.