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I'm a London-based senior backend engineer with 6+ years designing and deploying production-grade serverless architectures on AWS. I specialize in Node.js and TypeScript microservices handling 50%+ scaling with zero downtime. I have expert experience with AWS Lambda, API Gateway, DynamoDB, Aurora, GraphQL, and containerised deployments with Docker. I have a proven track record of reducing authentication latency by 90%, cutting support tickets by 45%, and delivering enterprise security implementations for clients including Tesla and Launchmetrics.…I'm a London-based senior backend engineer with 6+ years designing and deploying production-grade serverless architectures on AWS. I specialize in Node.js and TypeScript microservices handling 50%+ scaling with zero downtime. I have expert experience with AWS Lambda, API Gateway, DynamoDB, Aurora, GraphQL, and containerised deployments with Docker. I have a proven track record of reducing authentication latency by 90%, cutting support tickets by 45%, and delivering enterprise security implementations for clients including Tesla and Launchmetrics.

MUHAMMAD MOHSIN

Back-End Developer, Full Stack Developer, Web Developer, +1

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I'm a London-based senior backend engineer with 6+ years designing and deploying production-grade serverless architectures on AWS. I specialize in Node.js and TypeScript microservices handling 50%+ scaling with zero downtime. I have expert experience with AWS Lambda, API Gateway, DynamoDB, Aurora, GraphQL, and containerised deployments with Docker. I have a proven track record of reducing authentication latency by 90%, cutting support tickets by 45%, and delivering enterprise security implementations for clients including Tesla and Launchmetrics.…I'm a London-based senior backend engineer with 6+ years designing and deploying production-grade serverless architectures on AWS. I specialize in Node.js and TypeScript microservices handling 50%+ scaling with zero downtime. I have expert experience with AWS Lambda, API Gateway, DynamoDB, Aurora, GraphQL, and containerised deployments with Docker. I have a proven track record of reducing authentication latency by 90%, cutting support tickets by 45%, and delivering enterprise security implementations for clients including Tesla and Launchmetrics.

Available to hire

I’m a London-based senior backend engineer with 6+ years designing and deploying production-grade serverless architectures on AWS. I specialize in Node.js and TypeScript microservices handling 50%+ scaling with zero downtime. I have expert experience with AWS Lambda, API Gateway, DynamoDB, Aurora, GraphQL, and containerised deployments with Docker.

I have a proven track record of reducing authentication latency by 90%, cutting support tickets by 45%, and delivering enterprise security implementations for clients including Tesla and Launchmetrics.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Senior Software Engineer at NICKLpass – Premium Content Access Platform (Backed by Comcast Ventures)

July 1, 2022 - Present

Architected Node.js Lambda functions in TypeScript for authentication service, reducing login latency from 2.5s to 250ms, enabling higher conversion across 200+ media partner outlets. Designed and implemented AWS Cognito authentication with OAuth 2.0, JWT token management, session handling, and MFA for enterprise clients. Built a self-service portal API in Node.js and Express.js to empower corporate teams to manage accounts, users, and billing, automating workflows and reducing support tickets by 45%. Created backend services for enterprise clients including Tesla and Launchmetrics: custom endpoints, reporting features, and security integrations. Scaled serverless infrastructure to support 50%+ platform capacity growth; optimized Lambda concurrency, API Gateway throttling, DynamoDB provisioning, and Aurora performance. Maintained 99.95% uptime. Developed a Chrome extension in TypeScript/React for secure content discovery and authentication.

Full Stack Developer at BEEC Inc (Beyond Education Consulting) – EdTech Test Preparation Platform

March 1, 2022 - February 1, 2024

Sole developer responsible for end-to-end architecture decisions, building serverless backend with Node.js Lambda, API Gateway, AppSync GraphQL API, and DynamoDB for a student assessment platform. Implemented score reporting with GraphQL and DynamoDB delivering real-time percentile calculations and analytics. Engineered auto-scaling to handle peak traffic during exams via on-demand DynamoDB, API Gateway burst limits, and scalable Lambda functions. Managed production deployment and client deliveries from database design through to release.

Backend Lead at CodeJunkie – Project-Based Development Studio

February 1, 2018 - June 1, 2022

Progressed from Backend Developer to Backend Lead, delivering back-end services for 15+ client projects across fintech, healthcare, and SaaS. Built scalable APIs handling 10,000+ requests/second with 99.9% uptime. Designed optimized MongoDB, PostgreSQL, and AWS DynamoDB schemas, improving query performance and reliability. Implemented security protocols for enterprise clients, established coding standards, code reviews, testing, and deployment practices, and mentored junior developers as the team grew from 5 to 30+. Drove performance improvements through indexing, denormalization, and robust monitoring; led CI/CD pipeline adoption.