Available to hire
Hi, I’m Ayodele Balogun, a Senior Front-End / Full Stack Developer with 15+ years of experience building scalable, data-driven web platforms. I specialize in Angular (from AngularJS to Angular 20), state management, micro-frontends, and high-performance UI that integrates with APIs, ML services, and LLM workflows.
I collaborate with product and backend teams to design accessible, WCAG-compliant experiences, craft reusable component libraries, and optimize performance. I enjoy mentoring engineers, driving frontend architecture decisions, and delivering robust user interfaces for complex, enterprise-level applications.
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Language
English
Fluent
Work Experience
Senior Front - End / Full Stack Developer at RadPartners – SlimHub & Mosaic Clinical Tech Portal
February 1, 2025 - PresentLed frontend development for SlimHub/Mosaic Clinical Tech Portal. Built a .NET 8 desktop app with embedded Angular SPA via WebView2, enabling radiologists to manage patient worklists and imaging studies. Implemented Angular Signals-based state management, consumed ASP.NET Core REST APIs, and integrated AWS services. Contributed to VNA/FHIR/DICOM integration layers for radiology workflows. Enforced frontend quality with ESLint and unit tests (Karma/Jasmine).
Senior Front - End / UI Developer at Deloitte
October 1, 2023 - February 1, 2025NH Easy Modernization – SNAP/TANF/Medicaid Benefits Platform: modernized AngularJS app to Angular 18/19, built WCAG-compliant UI, reusable components, and AI-assisted workflows. Integrated with REST APIs and a React-based policy chatbot leveraging retrieval-augmented generation (RAG).
Senior React & AngularJS Developer at Tillster
January 1, 2023 - October 1, 2023Restaurant ordering platform modernization: migrated legacy AngularJS features to React, maintained production AngularJS apps, built reusable React components, and collaborated with mobile teams for cross-platform support. Integrated REST APIs for ordering workflows and validated releases across desktop, mobile web, and hybrid apps.
Senior UI Developer at United Health Care / Optum
October 1, 2021 - December 1, 2022Contributed to micro-frontend healthcare apps for provider referrals, patient search, and intake scheduling. Implemented and optimized state management with NgRX Store/Component Store and React RTK, used GraphQL for real-time data, and delivered advanced visualizations with AG‑Grid and NG‑Charts.
UI/UX Software Developer at Old Republic Title (E-Closing)
January 1, 2020 - July 1, 2021Modernized a digital real estate closing platform by refactoring AngularJS to Angular 9, improving performance and cross-device compatibility. Built reusable UI components, implemented NgRX/RxJS patterns, added unit tests, and ensured cross-browser compatibility.
Full Stack Developer (Front-End Focus) at Spin Systems
July 1, 2014 - October 1, 2019Led frontend development for government healthcare platforms (CAMP, NICoE). Built components with Angular, Blazor, Razor Pages, and integrated with .NET APIs and SQL Server. Modernized legacy AngularJS features, improved data visualization with Kendo UI/AG‑Grid, and aligned frontend with backend services.
Lead Front - End Developer at Amplify via InRhythm
January 1, 2014 - July 1, 2014Led frontend development for teacher-focused app, created responsive AngularJS features, and migrated to Angular to establish a scalable pattern. Collaborated with cross-functional teams, including mobile (React Native) and Cordova-based apps, to ensure consistent experiences.
Senior Front - End / Mobile Developer at Cisco Systems
November 1, 2012 - December 1, 2013Refactored Cisco API search forms to be responsive and mobile-friendly. Implemented AJAX/JSON interactions, crafted reusable CSS components, and ensured cross-browser compatibility across desktop and mobile.
Lead Front - End Developer at Nielsen Media / Billboard
July 1, 2009 - October 1, 2013Led frontend efforts for high-traffic Billboard platforms; improved UI performance, integrated JSON-based APIs for real-time data, and managed builds/deployments across multiple properties.
Education
Bachelor of Arts in Web Design / Digital Arts at University of Buffalo
January 1, 2003 - December 31, 2009MA in User Interface & Software Design at University of Buffalo
January 11, 2030 - June 15, 2026Qualifications
Industry Experience
Healthcare, Software & Internet, Media & Entertainment, Education, Professional Services, Government
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