I am Olusegun Odunukan, a Senior Frontend Software Engineer with over 15 years of delivering high-quality, user-facing web applications across enterprise, public sector, and consumer platforms. I excel in JavaScript (ES6+), TypeScript, HTML5, and CSS3, with deep Angular expertise and working knowledge of React.js, transforming complex requirements into polished, scalable UI. I collaborate cross-functionally with designers, product managers, and backend engineers, driving performance optimizations, accessibility, and end-to-end front-end ownership in Agile environments. I enjoy mentoring teammates, improving engineering standards, and delivering resilient interfaces that meet public-sector and enterprise standards.

Olusegun Odunukan

I am Olusegun Odunukan, a Senior Frontend Software Engineer with over 15 years of delivering high-quality, user-facing web applications across enterprise, public sector, and consumer platforms. I excel in JavaScript (ES6+), TypeScript, HTML5, and CSS3, with deep Angular expertise and working knowledge of React.js, transforming complex requirements into polished, scalable UI. I collaborate cross-functionally with designers, product managers, and backend engineers, driving performance optimizations, accessibility, and end-to-end front-end ownership in Agile environments. I enjoy mentoring teammates, improving engineering standards, and delivering resilient interfaces that meet public-sector and enterprise standards.

Available to hire

I am Olusegun Odunukan, a Senior Frontend Software Engineer with over 15 years of delivering high-quality, user-facing web applications across enterprise, public sector, and consumer platforms. I excel in JavaScript (ES6+), TypeScript, HTML5, and CSS3, with deep Angular expertise and working knowledge of React.js, transforming complex requirements into polished, scalable UI.

I collaborate cross-functionally with designers, product managers, and backend engineers, driving performance optimizations, accessibility, and end-to-end front-end ownership in Agile environments. I enjoy mentoring teammates, improving engineering standards, and delivering resilient interfaces that meet public-sector and enterprise standards.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
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Language

English
Fluent

Work Experience

Software Engineer at Gloelite Tech LTD
August 1, 2023 - October 30, 2025
Took full ownership of complex frontend projects and delivered robust, maintainable solutions under demanding conditions. Led the Query Management system lifecycle—from integration and development to production launch—collaborating across teams to ensure successful production release. Drove Angular upgrade efforts across applications and provided technical mentorship.
Front-end UI Engineer at Nec Software Solutions UK
February 28, 2023 - February 28, 2023
Senior UI Engineer contributing to a large-scale cloud-based AngularJS application; developed UI features for appointment booking and reporting, ensured code quality and accessibility, and integrated with backend services. Guided frontend best practices and accessibility standards within Agile teams.
UI Engineer at Direct Line Group
August 31, 2022 - August 31, 2022
Senior UI Engineer delivering major UI components from wireframes to production, led cross-team frontend initiatives with external partners for third-party integration, mentored junior developers, and supported marketing teams on SEO strategy.
Developer (Front End) at Black Swan Data Ltd
August 31, 2017 - August 31, 2017
Developed and maintained responsive web apps for financial products; contributed to a greenfield Angular Cloud-based single sign-on, improved performance and accessibility, collaborated with design and backend teams, and mentored teammates.
Senior Frontend Engineer at Gloelite Tech LTD
August 1, 2023 - October 30, 2025
Owned complex frontend projects and delivered robust, maintainable solutions under demanding conditions. Led the Query Management system from integration through production support, coordinated with multiple teams to ensure a successful launch, and drove Angular upgrade efforts across services. Provided technical mentorship and contributed to Communities of Practice.
Front-end UI Engineer at Nec Software Solutions UK
February 1, 2023 - February 1, 2023
Senior UI Engineer contributing to a large-scale cloud-based AngularJS application. Developed UI features for appointment booking and reporting, ensured code quality and accessibility compliance, and integrated frontend with backend services. Collaborated with DevOps, QA, and analysts; guided frontend best practices.
UI Engineer at Direct Line Group
August 1, 2022 - August 1, 2022
Senior UI Engineer focusing on optimisation and development of high-impact consumer-facing applications. Led the design and implementation of a greenfield single sign-on Angular Cloud-based application enabling quotes and purchases. Mentored junior developers and coordinated third-party integrations with external partners.
Front End Developer at Black Swan Data Ltd
August 1, 2017 - August 1, 2017
Developed and maintained responsive web apps and websites for financial products; collaborated with design, marketing, and backend teams; delivered projects on time; set up staging and production deployments using Jenkins; provided client training on updates and maintenance.
Web Developer at Digital Jigsaw
December 1, 2009 - December 1, 2009
Developed and maintained various websites for major bands using JavaScript, jQuery, HTML5, CSS3, JSON, XML; ensured accessibility; cross-functional collaboration with backend teams; delivered campaigns under tight deadlines.
Web Developer at Believers' Loveworld Inc.
December 1, 2009 - December 1, 2009
Planned and developed pages using JavaScript/jQuery, HTML/CSS; integrated with CMS and backend; implemented accessibility considerations; performed cross-browser testing.
Web Developer at West Thames College
September 1, 2008 - September 1, 2008
Maintained intranet and public pages; built pages with JavaScript/HTML/CSS; supported Google mini search index; provided technical guidance to staff and IT teams.
Web Developer at Department of Health
July 1, 2008 - July 1, 2008
Implemented pages in ASP.NET; converted PSDs to CSS; ensured accessibility and cross-browser compatibility; collaborated with product owner and CMS team to deliver pages.
Web Developer at Streetcar
May 1, 2008 - May 1, 2008
Developed UI in ASP.NET, HTML/CSS/JavaScript; cross-browser testing; converted PDFs/PSDs to CSS-driven pages; built HTML emails; worked in an Agile environment.
Web Developer at The Forward Group
December 1, 2007 - December 1, 2007
Implemented user interfaces using XHTML/HTML/XML/CSS/JavaScript; produced HTML emails; prepared web templates for CMS; supported multiple websites and campaigns; collaborated with design and IT teams.
Senior Software Engineer at Gloelite Tech Ltd
August 1, 2023 - Present
Led frontend initiatives using Angular, TypeScript, and modern HTML/CSS; owned a high-risk Query Management system from handover to production, driving performance, reliability and cross-platform integration with RESTful services and microservices. Collaborated with UX/UI, product, and backend teams in an Agile setup; ensured accessibility and public-sector compliance; authored clean, maintainable code and supported onboarding.
Senior Frontend UI Engineer at NEC Software Solutions UK
November 1, 2022 - February 1, 2023
Developed and maintained large-scale web applications using AngularJS, JavaScript, HTML5, and CSS3; delivered a greenfield Angular SSO application, enhanced performance and maintainability, and mentored junior engineers. Ensured responsive design and cross-browser compatibility in multi-customer environments.
Senior UI Engineer at Direct Line Group
November 1, 2017 - August 1, 2022
Delivered and optimized high-volume consumer-facing insurance applications; created a greenfield Angular SSO app and collaborated with UX designers to translate wireframes into interactive interfaces. Improved frontend performance and maintainability through reusable components; mentored juniors in Agile settings.
Frontend Developer at Black Swan Data Ltd
December 1, 2009 - August 1, 2017
Built responsive websites and SPAs for airline, retail, and financial services clients; contributed to in-flight entertainment apps for international airlines, ensuring cross-device compatibility and performance optimization; collaborated with design, backend, and QA teams to deliver high-quality UX.
Frontend & Web Development
January 1, 2007 - January 1, 2009
Early career delivering accessible, high-traffic websites using JavaScript, HTML, CSS, and ASP.NET; focused on accessibility compliance and cross-browser consistency.

Education

Software Engineer at Imperial College (HyperionDev)
December 1, 2022 - March 1, 2023
Asp.Net Using C# at City University
January 1, 2007 - March 1, 2007
Computer Application at DCT
January 1, 2005 - April 1, 2005
Diploma for IT Practitioner (Software Development) at TGB Learning
January 1, 2003 - June 1, 2003
Visual Basic Level 1 and Level 2 at TGB Learning
July 1, 2002 - December 1, 2002
NVQ IT at CITE (Associates) City Ltd
December 1, 1999 - March 1, 2000
BSc Genetics at Queen Mary & Westfield College
September 1, 1995 - June 1, 1999
A-Levels: Maths, Biology and Chemistry at Croydon College
August 1, 1994 - May 1, 1995
8 O-Levels at Ikeja Grammar School
January 11, 2030 - October 30, 2025
Software Engineering at Imperial College (HyperionDev)
December 1, 2022 - March 1, 2023
Asp.Net Using C# at City University
January 1, 2007 - March 1, 2007
Computer Application at DCT
January 1, 2005 - April 1, 2005
Diploma for IT Practitioner (Software Development) at City & Guilds
July 1, 2002 - December 1, 2002
NVQ using I.T at CITE (Associates) City Ltd
December 1, 1999 - March 1, 2000
Genetics BSc at Queen Mary & Westfield College
September 1, 1995 - June 1, 1999
A-Levels: Maths, Biology and Chemistry at Croydon College, Surrey
August 1, 1994 - May 1, 1995
O-Levels at Ikeja Grammar School
June 1, 1986 - August 1, 1992
Software Engineering at Imperial College (HyperionDev)
January 1, 2023 - January 30, 2026
Genetics BSc at Queen Mary & Westfield College
January 11, 2030 - January 30, 2026

Qualifications

ASP.NET training
January 11, 2030 - January 30, 2026

Industry Experience

Software & Internet, Professional Services, Media & Entertainment, Financial Services, Government, Travel & Hospitality, Retail

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
See more