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I'm Justin Allen, a Senior Full Stack Engineer with over 10 years of experience designing, building, and deploying scalable applications using React, Node.js, and TypeScript. I enjoy turning complex challenges into robust, maintainable software and collaborating with cross-functional teams to deliver high-quality products that users love. I have strong expertise in AWS, Docker, Kubernetes, GraphQL, RESTful APIs, and CI/CD, and I thrive in agile environments. I’m passionate about writing clean code, sharing knowledge through mentorship and code reviews, and continuously optimizing performance and reliability across the stack.…I'm Justin Allen, a Senior Full Stack Engineer with over 10 years of experience designing, building, and deploying scalable applications using React, Node.js, and TypeScript. I enjoy turning complex challenges into robust, maintainable software and collaborating with cross-functional teams to deliver high-quality products that users love. I have strong expertise in AWS, Docker, Kubernetes, GraphQL, RESTful APIs, and CI/CD, and I thrive in agile environments. I’m passionate about writing clean code, sharing knowledge through mentorship and code reviews, and continuously optimizing performance and reliability across the stack.

Justin Allen

AI Engineer, Full Stack Developer, Front-End Developer, +3

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I'm Justin Allen, a Senior Full Stack Engineer with over 10 years of experience designing, building, and deploying scalable applications using React, Node.js, and TypeScript. I enjoy turning complex challenges into robust, maintainable software and collaborating with cross-functional teams to deliver high-quality products that users love. I have strong expertise in AWS, Docker, Kubernetes, GraphQL, RESTful APIs, and CI/CD, and I thrive in agile environments. I’m passionate about writing clean code, sharing knowledge through mentorship and code reviews, and continuously optimizing performance and reliability across the stack.…I'm Justin Allen, a Senior Full Stack Engineer with over 10 years of experience designing, building, and deploying scalable applications using React, Node.js, and TypeScript. I enjoy turning complex challenges into robust, maintainable software and collaborating with cross-functional teams to deliver high-quality products that users love. I have strong expertise in AWS, Docker, Kubernetes, GraphQL, RESTful APIs, and CI/CD, and I thrive in agile environments. I’m passionate about writing clean code, sharing knowledge through mentorship and code reviews, and continuously optimizing performance and reliability across the stack.

Available to hire

I’m Justin Allen, a Senior Full Stack Engineer with over 10 years of experience designing, building, and deploying scalable applications using React, Node.js, and TypeScript. I enjoy turning complex challenges into robust, maintainable software and collaborating with cross-functional teams to deliver high-quality products that users love.

I have strong expertise in AWS, Docker, Kubernetes, GraphQL, RESTful APIs, and CI/CD, and I thrive in agile environments. I’m passionate about writing clean code, sharing knowledge through mentorship and code reviews, and continuously optimizing performance and reliability across the stack.

Skills

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Intermediate

Work Experience

Senior Application Developer at Cybersoft Technologies, Inc.

August 1, 2021 - Present

Developed a comprehensive travel-focused social media application using Flutter for cross-platform performance; integrated interactive world map with Google Maps API and GeoJSON; optimized backend integration with Node.js and Firebase; implemented user authentication with Firebase Authentication; built responsive UI with React Native; collaborated with design teams using Figma and Adobe XD; set up Git-based workflows; performed unit tests with Jest and Mocha; enabled social sharing features; tracked analytics with Firebase Analytics; led code reviews and refactoring for performance and maintainability.

Senior Mobile Developer at Strategy Engineering & Consulting

July 1, 2018 - July 1, 2021

Designed and developed a location-based service mobile app for iOS using Swift, applying Material Design principles; integrated RESTful APIs for up-to-date travel information; collaborated with backend teams to deploy AWS DynamoDB for user profiles and travel logs; implemented geolocation and Mapbox-powered nearby attraction searches; established automated testing with XCTest; managed lifecycle for App Store and Google Play; embraced Agile with Trello and documented features to aid onboarding and future work; mentored junior developers and conducted peer reviews.

Junior Application Developer at ACL Business & Tax Consulting

June 1, 2015 - June 1, 2018

Assisted in building a mobile travel startup app using React Native for cross-platform capability; contributed to user profiling features with Firebase Database; implemented Google Maps API-based mapping and location sharing; supported social media integrations for content sharing; collaborated with designers on responsive UI; participated in daily GitHub-based workflows and debugging with Chrome DevTools and Xcode; conducted usability testing and documented processes for future development.

Senior Full Stack Engineer at Cybersoft Technologies, Inc.

August 1, 2021 - Present

Led the design and implementation of interactive user interfaces using React and TypeScript, developed back-end services with Node.js and Express.js, architected and maintained cloud infrastructure on AWS (EC2, RDS, S3), implemented GraphQL APIs to optimize data querying, collaborated with cross-functional teams on roadmaps, conducted code reviews and knowledge-sharing sessions, utilized Docker for consistent environments, developed CI/CD pipelines with Jenkins and GitHub Actions, performed performance tuning for high availability, documented system architecture and API designs, troubleshot stack issues, and enhanced MongoDB interactions for backend reliability.

Senior Software Engineer at Strategy Engineering & Consulting

July 1, 2018 - July 1, 2021

Developed robust front-end applications using React and Redux, designed RESTful APIs in Node.js, migrated legacy codebases to modern React/Node.js architectures, built scalable AWS Lambda-based serverless solutions, worked with PostgreSQL to optimize queries, engaged in peer coding and architectural discussions, introduced performance metrics and analytics, automated deployments with GitHub Actions, and containerized applications with Docker to streamline deployments.

Junior Full Stack Developer at ACL Business & Tax Consulting

June 1, 2015 - June 1, 2018

Contributed to the development of SPAs with React and JavaScript, assisted backend development with Node.js, collaborated in a small agile team, utilized MongoDB for data storage, implemented user authentication and authorization using JWT and OAuth, developed modular React components, conducted unit testing with Jest, maintained version control with Git, translated wireframes into functional UIs with HTML5/CSS3.