Lawrence – React, .NET, C#

It is an enterprise tax compliance software company that serves thousands of businesses globally. The project is a core initiative focused on increasing the volume and reliability of tax document submissions from clients to government tax authorities.

• Built and integrated multiple microservices for the project, contributing to a significant increase in the volume of tax documents transferred to government authorities on behalf of clients;
• Wrote integration and end-to-end tests for new features, reducing production failures and improving overall system reliability;
• Collaborated with a cross-functional team of software engineers in an agile environment, participating in sprint planning, code reviews, and iterative delivery.

It is an AI-powered telemedicine platform that connects patients with licensed medical professionals across diverse specialties via secure voice and video consultations. Designed as an all-in-one solution, it enables individuals to access quality healthcare from home, featuring an intuitive interface for booking, consulting, and managing virtual appointments.

• Designed and built the full-stack architecture from the ground up, including a .NET Core Web API backend and a React/Redux frontend;
• Implemented secure real-time voice and video consultation features, enabling patients to connect with licensed medical professionals across multiple specialties;
• Integrated Redis caching and PostgreSQL to optimize data retrieval and support scalable, high-performance backend operations.;
• Containerized the application using Docker and Docker Swarm, and deployed to Amazon EC2 with CI/CD pipelines for automated builds and releases;
• Built a specialty-based provider discovery system, allowing patients to filter and book consultations with professionals suited to their medical needs.

It is a leading online ticket marketplace for live entertainment, sports, and concerts, serving millions of buyers and sellers across the US and globally. The platform connects fans with ticket inventory for thousands of events, handling high-volume transactions in real time.

• Worked on the Push team responsible for delivering marketing email and push notification campaigns, and tracking campaign performance through to successful ticket purchases;
• Built full-stack dashboards to monitor key campaign metrics including send rate, open rate, and completed transactions;
• Built a service to manage user subscriptions across different marketing email campaigns and event categories;
• Integrated with the Machine Learning team to develop a recommendation service that delivered weekly newsletters to users based on their event affinity scores.

It is a fintech platform designed to simplify group-based financial contributions (known as "ajo" or rotating savings). It enables group members to contribute, collect, and track payments in an organized, transparent, and secure manner - removing the manual overhead and trust issues associated with traditional group savings.

• Designed and built the full-stack architecture from the ground up, including a .NET Core Web API backend and a React frontend;
• Implemented group contribution management features, enabling users to create groups, schedule contributions, and track payment history in real time;
• Integrated a third-party payment provider to handle secure collection and disbursement of funds between group members;
• Containerized and deployed the application using Docker and Docker Swarm on a VPS, with GitHub Actions powering the CI/CD pipeline for automated deployments;
• Documented the API using Swagger, enabling clear and accessible integration guidelines for the platform.

It is a data marketplace and AI training data platform used by enterprises to source, annotate, and manage datasets for machine learning projects. The platform serves clients across industries who rely on high-quality data pipelines to build and improve AI models.

• Developed a public API, enabling clients to automate project submissions and deliverables retrieval, reducing manual effort and accelerating integration workflows;
• Maintained and improved the internal staff portal used to manage client projects, reducing project processing time and eliminating manual operations;
• Maintained the user-facing crowdsourcing platform used for large-scale data collection and annotation;
• Wrote unit and integration tests (xUnit, NUnit, MSTest, Jest) to ensure coverage of new features and reduce regression risk;
• Collaborated in an Agile/Scrum team environment, contributing to sprint planning and iterative delivery.

It is a home health staffing and scheduling platform, a US-based healthcare technology company. The platform connects home health agencies with qualified caregivers, enabling agencies to manage scheduling, compliance, and care delivery across multiple US states.

• Maintained and enhanced the full-stack application (backend and frontend), delivering new features in line with product requirements;
• Implemented the geographic expansion to additional US states, extending the platform's reach and supporting business growth;
• Wrote unit and integration tests (xUnit, NUnit) to cover new features and improve coverage of the existing codebase;
• Collaborated in an Agile/Scrum team environment, participating in backlog grooming, sprint planning, reviews, and retrospectives.