Oyeniyi Adegun

• Led a development team to deliver a CQRS-based component aimed at significantly reducing query response times for The Gym Group’s static data using Azure Cosmos DB.
• Led a development to deliver of a bespoke PIN Microservice to support secure and scalable user authentication and gym access.
• Responsible for end-to-end API development, focusing on RESTful services to enable seamless data exchange in a distributed microservices environment.
• Designed and developed background workers to efficiently handle asynchronous and long-running tasks.
• Improved application scalability by implementing a robust microservices architecture.
• Optimized system performance through the use of efficient algorithms and data structures.
• Applied unit testing methodologies to increase code coverage and reduce production defects.
• Promoted maintainable code through modular design principles and comprehensive documentation.
• Designed and maintained relational database schemas and table structures.
• Actively contributed to an Agile Scrum team with a high-tempo, delivery-focused workflow.
• Mentored junior developers, fostering a collaborative environment and encouraging continuous technical growth.

Maintained and enhanced SportsDirect tills domain system :

• Refactored (in line with software development good practices) and migrated .Net Framework services to .Net 6
• Delivered key integration components needed between SportsDirect till system and GAME till system.
• Worked with business stakeholders to improve Frasers Group security door system.

Led a team of 6 developers that worked on the Video on Demand system's migration to a third party modern solution(top priority project of the year). The work mainly consisted in building multiple .Net based integrations that allowed the communication between the new VoD system and the rest of our domain services:

• Carried out regular code reviews (in line with software development good practices).
• Undertook R&D work to explore new technologies that could benefit the team, and the organisation.
• Delivered key pieces of development (Common code libraries and frameworks to be reused across our system).
• Mentored, supervised and provided guidance to the team.

Joined Channel 4 Television as an employee to take a more senior developer role.

Maintained and enhanced the Content team's VoD (Video on Demand) applications system:

• Carried out regular code reviews (in line with software development good practices).
• Undertook R&D work to explore new technologies that could benefit the team, and the organisation.
• Delivered key pieces of development (Common code libraries and frameworks to be reused across our system).
• Mentored, supervised and provided guidance to a team of 6 developers working on the top priority project of the year.

Worked as an I.T Consultant placed with Channel 4 Television

Maintained and enhanced the Content team's VoD (Video on Demand) applications system:

• Worked on many complex projects that involved business analysts, managers and end-users and that aimed to make changes to the system to meet new contract requirements with Channel4's partners (e.g. Virgin, Sky, BritBox).
• Delivered many new features and improvement to our existing set of applications that includes Windows Services, WCF services, WPF clients, Windows Form clients, and ASP .NET applications.
• Ensured code quality with good software development practices (OOD, SOLID, Design patterns, DDD and TDD).
• Assumed code releases to production and test environments via our CI/CD system.

• Used GEANT4 C++ Class Library to develop a program allowing the investigation of radiation dose during radiotherapy treatments.