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Ayodele Jackson
Verified Expert in Engineering
API Developer
Lancaster, PA, United States
Toptal member since August 19, 2025
Bio
Ayodele is a senior full-stack engineer with over 25 years of experience delivering enterprise-grade web and mobile applications. He has led development efforts for organizations including Amazon, Suvoda, and Trella Health, specializing in TypeScript, C#, and modern frameworks like Angular, React, and .NET. Ayodele builds scalable RESTful APIs, architecting cross-platform mobile solutions and integrating cloud-native services on AWS and Azure.
Portfolio
Suvoda
Mobile UX, C#.NET, .NET MAUI, iOS, Android, Angular, React, Node.js, REST, APIs...
Amazon.com
React, TypeScript, Redux, AWS Amplify, Amazon GuardDuty, Amazon Macie...
Trella Health
HTML, CSS, JavaScript, C#, C#.NET, TypeScript, Angular, ASP.NET, Node.js, NgRx...
Experience
- C# - 15 years
- C#.NET - 15 years
- SQL - 15 years
- APIs - 10 years
- REST - 10 years
- Angular - 9 years
- Node.js - 9 years
- React - 9 years
Preferred Environment
Windows, Apple
The most amazing...
...accomplishment I've achieved was building four mobile apps from scratch and helping a startup from MVP to a successful buyout.
Work Experience
Senior Software Developer
2023 - 2025
Suvoda
- Contributed to the development, bug fixing, and maintenance of a Kotlin-based Android application used in clinical trial management.
- Delivered new features and resolved issues for Suvoda's standalone web platform.
- Co-designed and developed the next-generation Suvoda mobile application using C# and .NET MAUI for cross-platform deployment on iOS and Android.
- Developed and maintained back-end services and APIs using Node.js and TypeScript, deployed via Azure App Service with monitoring and diagnostics powered by Azure Application Insights.
- Architected and implemented custom TypeScript libraries to analyze complex scheduling data, now used across multiple applications.
- Maintained and enhanced a custom React integration within the Kotlin-based Android app to ensure a seamless hybrid functionality using Redux for state management.
- Supported internal .NET (up to .NET 9), ASP.NET, and .NET MVC projects focused on automating emulator-based screenshot generation for documentation and testing.
- Wrote and maintained unit, integration, and end-to-end test suites across various platforms to ensure robust application quality.
- Gained domain expertise in clinical trial software, adhering to industry-specific standards and compliance requirements.
- Collaborated with a cross-functional, globally distributed team, contributing to key initiatives across regions and disciplines.
Technologies: Mobile UX, C#.NET, .NET MAUI, iOS, Android, Angular, React, Node.js, REST, APIs, Cloud, Testing
Front-end Engineer
2022 - 2023
Amazon.com
- Designed and implemented scalable UI components for AWS Security Hub using React, TypeScript, Redux, and AWS Amplify, improving load times and maintainability across core security dashboards.
- Integrated complex data visualizations from multiple AWS services (GuardDuty, Inspector, Macie) into a unified UI, enhancing customer insight into cloud security postures.
- Collaborated with cross-functional teams, including back-end engineers, UX designers, and security product managers, to deliver features aligned with AWS's customer-obsessed development principles.
- Developed reusable front-end patterns using internal AWS frameworks, driving consistency and accessibility across the AWS Management Console.
- Deployed front-end applications via AWS CodePipeline, CloudFormation, and S3 static hosting, ensuring high availability and CI/CD best practices.
- Participated in threat modeling and secure coding reviews, applying AWS's internal security tooling to ensure UI components adhered to strict compliance requirements.
- Leveraged Amazon CloudWatch and X-Ray to monitor front-end metrics and troubleshoot performance issues in production environments.
- Advocated for and implemented accessibility standards, expanding product usability to a broader set of AWS customers.
Technologies: React, TypeScript, Redux, AWS Amplify, Amazon GuardDuty, Amazon Macie, AWS CloudFormation, Amazon S3 (AWS S3), WCAG 2, JavaScript, HTML, CSS
Senior Software Engineer
2016 - 2022
Trella Health
- Built the three current web apps for the company from the ground up using HTML, CSS, C#, PostgreSQL and TypeScript/JavaScript. This included API design, implementation, testing, front-end design, and implementation.
- Redesigned the entire application in Angular 8–17/React, ASP.NET, C#, .NET Core, and Node.js with cloud integration in AWS, utilizing NgRx for complex state management.
- Designed and built a multi-app RESTful API in ASP.NET, C#, TypeScript/JavaScript, Node.js, and Express.js.
- Worked with the DevOps team to develop a CI/CD process for our applications.
- Designed and built complex web interfaces from initial ideas from marketing/sales to production.
- Developed and implemented the current database and database structure including indexes, views and stored procedures.
- Created an import and export system for moving data between the data team and production systems.
- Ideated and implemented a custom database/web caching system.
- Implemented a custom reporting tool along with Excel exports and search capabilities.
- Worked with AWS and other cloud services to implement our custom software.
Technologies: HTML, CSS, JavaScript, C#, C#.NET, TypeScript, Angular, ASP.NET, Node.js, NgRx, Express.js, Test-driven Development (TDD), AWS CloudFormation, Amazon Cognito, SQL, Progressive Web Applications (PWAs)
Programmer
2014 - 2016
Tristate Tech Pros
- Developed and maintained websites for clients using HTML, PHP, MYSQL, JavaScript, and AJAX.
- Integrated multiple payment systems into a custom MVC, including RocketGate, Bitcoin, and ACH.
- Assisted in the development of custom JavaScript streaming libraries.
Technologies: HTML, CSS, JavaScript, jQuery, Ajax
Web Developer and Programmer
2012 - 2014
The YGS Group
- Created, designed and maintained websites using CMS, PHP, HTML, CSS, jQuery and MySQL.
- Created custom interfaces for .NET projects using jQuery, C#, and MS SQL.
- Developed SQL/MS SQL queries, stored procedures, and views.
- Helped optimize and troubleshoot SQL queries, stored procedures, and views.
- Applied my extensive knowledge of Drupal 6, Drupal 7, and WordPress.
- Created a custom billing application that interfaces with a payment gateway and Salesforce.
- Developed custom libraries for interaction between Drupal, EFI Pace, and Process Shipper.
- Developed custom libraries and interfaces for advanced mail processing with geo-coding using MapQuest, Google, and USPS.
- Helped with the development of internal QA processes, including unit and e2e testing.
- Created work instructions and documentation for websites and custom web applications.
Technologies: PHP, HTML, CSS, jQuery, MySQL, SQL, C#, Drupal, WordPress
Experience
Progressive Web App for Trella Health
This project involved developing an Angular-based progressive web app using the existing C#.NET API and built-in security to provide a stopgap between a full mobile app and the current website. This app used the existing styling and reusable libraries created by our company at the time.
Education
1999 - 2002
Bachelor's Degree in Computer Science
Millersville University - Millersville, PA, USA
Skills
Libraries/APIs
React, Windows Forms (WinForms), Node.js, NgRx, AWS Amplify, jQuery
Tools
C#.NET WinForms, Amazon Cognito, AWS CloudFormation
Languages
C#, C#.NET, JavaScript, TypeScript, HTML, CSS, SQL, PHP
Frameworks
Angular, VB.NET WinForms, Express.js, .NET MAUI, Redux, ASP.NET
Paradigms
Agile Software Development, REST, Testing, Test-driven Development (TDD)
Platforms
Telerik, Windows, Apple, iOS, Android, Drupal, WordPress
Storage
Amazon S3 (AWS S3), MySQL
Other
Mobile UX, APIs, Cloud, Progressive Web Applications (PWAs), CI/CD Pipelines, Amazon GuardDuty, Amazon Macie, WCAG 2, Computer Science, Ajax
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