Osman Mohammad Latif
Chicago,IL
Summary
Full Stack Web Development Engineer with 8+ years of experience in full-stack development and AWS cloud technologies. Led a team of engineers to boost system efficiency by 15% while resolving critical performance issues. Active U.S. Secret Security Clearance (DoD) — authorized to handle sensitive government information and trusted to work on federal and government-secured systems with strict compliance standards.
Overview
11
11
years of professional experience
Work History
Ruby on Rails Engineer
STG LLC
, Remote
06.2025 - 03.2026
- Engineered backend features and enhancements in Ruby on Rails and Python (AWS Lambdas) to improve application performance and user experience.
- Designed and developed scalable backend services and RESTful APIs using Node.js and Express.js.
- Built and maintained secure authentication and authorization flows (JWT, OAuth, session management).
- Collaborated with project managers and backend engineers to upgrade codebase, resulting in interactive, user-friendly experiences.
- Leveraged the npm/yarn ecosystem for dependency management and built custom reusable packages.
- Used Claude Code within Cursor IDE for AI pair programming — generating, refactoring, and debugging code across Ruby on Rails and React projects to improve productivity and reduce boilerplate.
- Applied Claude-powered code reviews in Cursor to ensure cleaner, more maintainable, and optimized implementations.
- Integrated Claude Code for test generation and documentation support, enhancing project quality and knowledge transfer.
- Streamlined multi-language development (Ruby, JavaScript/React, Python, SQL) using Claude Code for efficient context switching.
Ruby on Rails Engineer (GSA / Login.gov – IRS Contract)
Flexion
, Remote
04.2022 - 04.2025
- Delivered secure Rails applications for the IRS (via Login.gov), ensuring compliance with federal security standards and achieving zero security breaches during tenure.
- Developed third-party service integrations via Ruby APIs that decreased support tickets and enhanced customer satisfaction.
- Championed TDD with RSpec and Capybara, reducing deployment defects and ensuring seamless integration of new features.
- Designed, developed, and deployed Python-based AWS Lambda functions to support event-driven and serverless architectures, triggered by S3, CloudWatch Events, EventBridge, SNS, and SQS.
- Integrated Node.js applications with PostgreSQL, MongoDB, and Redis to enhance data access and caching efficiency.
- Integrated CloudWatch logging (CWQL) to optimize query performance and accelerate insights for mission-critical applications.
- Deployed Node.js applications on AWS (Lambda, ECS, EC2) and configured CI/CD pipelines for automated delivery.
- Collaborated with frontend teams (React, Angular, Vue) to deliver full-stack applications with Node.js as the backend.
- Used unittest.mock and pytest-mock to isolate dependencies and test external integrations.
- Used modern IDEs (PyCharm, VS Code) to write, debug, and refactor code efficiently.
- Represented the engineering team in Ruby on Rails and Python meetups and conferences, keeping solutions aligned with the latest industry standards.
Web Development Engineer
Comcast Cable
Philadelphia, PA
10.2020 - 03.2022
- Led migration of legacy systems to React.js and Angular.
- Developed and deployed modular Angular and React components (Redux, RxJS, NGRX) under a micro-app architecture.
- Developed React UI components integrated with Ruby on Rails APIs, streamlining front-end functionality.
- Coordinated with cross-functional teams (designers, PMs, backend) to deliver scalable front-end features.
- Established workflows with Rally and GitHub, enhancing responsiveness to production issues and elevating code quality.
- Transformed technical obstacles into actionable plans for onshore/offshore teams, expediting delivery.
- Resolved frontend performance bottlenecks using Debugger services, ARC Toolkit, axe DevTools, and Redux DevTools.
- Participated in Agile ceremonies (Scrum, refinements, retrospectives), driving alignment with business needs.
- Designed reusable Figma design systems, easing onboarding and development of UI features for junior developers.
- Created Rails data models that accelerated front-end feature delivery by 2 weeks with minimal bugs.
- Maintained server-side template engines (Slim, ERB), ensuring flexible, high-performing UI rendering.
UI Developer
GE Aviation
Cincinnati, OH
05.2017 - 09.2019
- Developed front-end applications with React.js, React Native, Angular, and JavaScript, enhancing aviation dashboards for improved user engagement.
- Integrated REST APIs into Angular/React apps, improving data retrieval speed and usability.
- Modernized dashboard UI, improving real-time visualization and reducing user workflow complexity.
- Built custom directives and components (login popups, reusable navbars, CRUD dashboards) for improved UI consistency.
- Created a TypeScript-based smart navbar system, preserving client context across multiple apps.
- Designed responsive pages with HTML5, CSS3, Bootstrap, and Ajax, enhancing usability across devices.
- Collaborated with infrastructure, backend, and UX teams to implement modular architecture best practices, ensuring seamless integration and maintainability.
Front-End Developer
JP Morgan Chase
Columbus, OH
11.2014 - 12.2016
- Developed and maintained Chase.com homepage and secure features (Payments & Transfers, Pay Multiple Bills).
- Designed and implemented dynamic pages with HTML5, CSS3, and JavaScript using Eclipse IDE.
- Built AJAX-driven applications using jQuery, Ext-JS, JSON, and XML, enabling dynamic page updates.
- Implemented RIA features with jQuery plugins to improve interactivity and client usability.
- Developed and debugged AJAX/JSON interactions with backend Java services.
- Ensured cross-browser compatibility (IE, Chrome, Firefox, Safari) to deliver consistent user experience.
- Converted UI specs into detailed screen designs and architecture to align with business objectives.
- Oversaw full lifecycle of web applications, including maintenance, testing, debugging, deployment, and printing.
- Designed application-level XML parsing code for data integration.
Education
Some College (No Degree) - Liberal Arts
College of DuPage
Glen Ellyn, IL08-2026
Skills
- Ruby on Rails
- Django
- Python
- Nodejs
- Expressjs
- Reactjs
- Redux
- Angular
- NGRX
- RxJS
- TypeScript
- JavaScript
- HTML5
- CSS3
- Bootstrap
- AWS
- Lambda
- ECS
- EC2
- S3
- Redshift
- CloudWatch
- EventBridge
- SNS
- SQS
- Jenkins
- Docker
- CI/CD pipelines
- PostgreSQL
- MongoDB
- Redis
- Oracle
- RSpec
- Capybara
- Pytest-Django
- Moto
- Unittestmock
- Pytest-mock
- Agile/Scrum
- TDD/BDD
- CI/CD
- Full SDLC
- Claude Code
- ChatGPT
- Gemini
- Cursor IDE
- VS Code
- JetBrains
- RubyMine
- PyCharm
- API integration
- Collaboration tools
Timeline
Ruby on Rails Engineer
STG LLC
06.2025 - 03.2026
Ruby on Rails Engineer (GSA / Login.gov – IRS Contract)
Flexion
04.2022 - 04.2025
Web Development Engineer
Comcast Cable
10.2020 - 03.2022
UI Developer
GE Aviation
05.2017 - 09.2019
Front-End Developer
JP Morgan Chase
11.2014 - 12.2016
Some College (No Degree) - Liberal Arts
College of DuPage