Nobin Jaison Johnson
Cloud, Full-Stack & Cybersecurity Engineer
Buffalo, NY
Professional Summary
Full-stack software engineer and AWS Certified Solutions Architect with 4+ years of production experience building and scaling web, mobile, and cloud platforms end-to-end. Deep expertise in Node.js, React, React Native, TypeScript, Python, and AWS, with a proven track record of shipping cross-platform products serving thousands of concurrent users across startup and enterprise environments. Holds an M.S. in Cybersecurity (GPA 3.87) and CompTIA Security+ certification, applying security-conscious design thinking at every layer of the stack. Published IEEE researcher with 8 papers.
Work Experience
Co-Founder @ Slizzr
Aug 2025 - Mar 2026 | React Native, TypeScript, Expo, iOS/Android
- â–¹ Architected and shipped a full-stack consumer mobile application using React Native and TypeScript, owning end-to-end development from zero to App Store and Google Play launch.
- â–¹ Integrated Meta Ads SDK and TikTok Ads SDK to enable targeted user acquisition campaigns and in-app engagement analytics.
- â–¹ Managed end-to-end product delivery using Expo, Figma, Stripe, and ClickUp for sprint planning across iOS and Android.
Mid-Level Software Engineer @ Capstone Integrated Solutions
Sep 2024 - Sep 2025 | Angular, Python (FastAPI), .NET, Java, Kotlin
- â–¹ Maintained and enhanced a mission-critical Angular and Python web service platform used by thousands of independent pharmacies across the United States.
- â–¹ Provided production support for 14 microservices spanning .NET, Java, Kotlin, Swift, and React Native.
- â–¹ Optimized SQL queries on high-traffic backend endpoints, reducing average response latency on critical pharmacy lookup calls.
Backend Developer @ Puffles
May 2023 - Aug 2024 | Node.js, AWS, DynamoDB, Web3
- â–¹ Designed and built the Node.js backend infrastructure from scratch, integrating AWS EC2, S3, and DynamoDB with decentralized storage.
- â–¹ Scaled throughput from 3k to 8k concurrent connections by introducing Redis caching and migrating from a monolith to serverless architecture.
- â–¹ Delivered the full RESTful API suite powering wallet management and NFT minting, with end-to-end test coverage via Postman.
Full-Stack Developer @ Pikky
Jan 2024 - May 2024 | Next.js, MongoDB, ML, OCR
- â–¹ Built and maintained a Next.js and MongoDB restaurant management portal, onboarding 40+ restaurant clients.
- â–¹ Implemented an OCR pipeline to extract ingredient and allergen data, reducing manual data entry time by approximately 80%.
- â–¹ Integrated a cloud-based machine learning recommendation model to automatically tag ingredients and flag allergens.
Software Engineer I, Backend @ Holoworld
Jan 2022 - Jul 2023 | MERN Stack, MySQL, Unity 3D, Docker
- â–¹ Developed web, iOS, Android, and VR applications using the MERN stack and Unity 3D.
- â–¹ Built an internal analytics dashboard tracking 100+ AR and VR learning modules, surfacing key KPIs.
- â–¹ Automated Unity 3D build and deployment workflows using PowerShell scripting, and containerized development environments using Docker.
Technical Arsenal
Core & Languages
TypeScript, JavaScript, Python, Node.js, REST APIs, Microservices, FastAPI
Web & Mobile
React.js, React Native, Next.js, AngularJS, VueJS, Flask, Django, Spring Boot, ASP.NET Core
Cloud & DBs
AWS, Docker, Kubernetes, CI/CD, MongoDB, PostgreSQL, MySQL, AWS DynamoDB, Redis
Education & Certs
Canisius University
Master of Science (M.S.) in Cybersecurity
GPA: 3.87/4.0
Dayananda Sagar University
Bachelor of Technology (B.Tech.) in Computer Science Engineering
GPA: 3.14/4.0
AWS Solutions Architect Associate
CompTIA Security+ (Sec+)