Summary
Overview
Work History
Education
Skills
Interests
Timeline
Generic

Oyeniyi Adegun

.NET Developer
Grays

Summary

Seasoned .NET Developer with over 9 years of industry experience across the Media, Retail, and Fitness sectors. Extensive hands-on expertise with .NET, ASP.NET Core and Azure.

A collaborative and approachable team player, known for being highly organised and particularly skilled in problem-solving and coding best practices. Performs well under pressure and consistently delivers high-quality results.

While confident in his abilities, he maintains a strong desire to continue learning and expanding his knowledge in the IT field.

Overview

10
10
years of professional experience
6
6
years of post-secondary education
3
3
Languages

Work History

(Lead) Back-End Developer

The Gym Group
01.2024 - Current
  • 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.

Senior Back-End Developer

Frasers Group
Shirebrook, Derbyshire
08.2022 - 01.2024

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.

Lead Developer

Channel 4 Television
04.2022 - 08.2022

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.

.NET Developer

Channel 4 Television
06.2019 - 03.2022

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.

I.T Consultant

FDM Group
06.2016 - 06.2019

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.

Research Associate

INSTITUT JULES BORDET
02.2015 - 09.2015
  • Used GEANT4 C++ Class Library to develop a program allowing the investigation of radiation dose during radiotherapy treatments.

Education

Training - .NET Scheme

FDM ACADEMY
London
01.2016 - 04.2016

Master of Science - Nuclear Engineering

INSTITUT SUPERIEUR INDUSTRIEL DE BRUXELLES
Brussels
09.2012 - 09.2015

Bachelor of Science - Engineering Technology

INSTITUT SUPERIEUR INDUSTRIEL DE BRUXELLES
Brussels
09.2009 - 09.2012

Skills

NET - ASP NET Core

Oracle

Sql Server

HTML/CSS/JavaScript

Entity Framework Core

Nunit - MSTEST

Git - Github

TFS

Apache Kafka

Azure Cloud

Azure DevOps

Microservices architecture

Interests

Video games (Strategy)

Cryptocurrencies

Historical wars

Finance

Machine Learning

Timeline

(Lead) Back-End Developer

The Gym Group
01.2024 - Current

Senior Back-End Developer

Frasers Group
08.2022 - 01.2024

Lead Developer

Channel 4 Television
04.2022 - 08.2022

.NET Developer

Channel 4 Television
06.2019 - 03.2022

I.T Consultant

FDM Group
06.2016 - 06.2019

Training - .NET Scheme

FDM ACADEMY
01.2016 - 04.2016

Research Associate

INSTITUT JULES BORDET
02.2015 - 09.2015

Master of Science - Nuclear Engineering

INSTITUT SUPERIEUR INDUSTRIEL DE BRUXELLES
09.2012 - 09.2015

Bachelor of Science - Engineering Technology

INSTITUT SUPERIEUR INDUSTRIEL DE BRUXELLES
09.2009 - 09.2012
Oyeniyi Adegun.NET Developer