John Popoola
Summary
Accomplished Senior Software Developer, adept in crafting high-performance applications with C#, .NET Core and SQL. Proven ability to enhance functionality through RESTful APIs and microservices, while mentoring teams and solving complex problems. Committed to delivering maintainable code and optimizing deployment processes for superior user experiences.
Overview
13
13
years of professional experience
1
1
Certification
Work History
Senior Fullstack Engineer
Sidmach Technologies Limited
07.2024 - Current
- Developing and supporting software applications, ensuring integration with databases and interfaces.
- Designing and implementing RESTful APIs for seamless front-end and back-end communication.
- Writing high-quality, maintainable code using .NET Core, C#, MSSQL, ReactJs, and TypeScript.
- Conducting unit tests and managing deployment of new products and features.
- Integrating third-party APIs to enhance application functionality.
- Producing reusable code to improve long-term maintainability and performance.
Software Engineering Team Lead
Adebayo Adeleke LLC
08.2023 - 07.2024
- Engineered high-performance mobile and web applications, integrating various technologies for an enhanced user experience.
- Utilized C#, Node.js, Express.js, and NestJS for backend development with Azure cloud infrastructure.
- Provided technical guidance, mentorship and coaching to team members on various software engineering topics.
- Collaborated with cross-functional teams to design innovative solutions aligned with business objectives.
- Performed code reviews, debugging and troubleshooting of existing applications or new features.
Senior Engineer, Site Reliability Engineering
Cellulant Limited
07.2022 - 08.2023
- Provided operational support for diverse distributed applications, ensuring seamless functionality.
- Engineered software solutions for optimized management of platform infrastructure and applications.
- Worked closely with development teams to enhance Quality of Service via automated tasks and thorough testing.
- Balanced feature development speed with reliability based on established service level objectives.
Senior Software Engineer
Zone (formerly Appzone Limited)
03.2020 - 07.2022
- Designed architecture for APIs, SQL Jobs, and Windows Services using .NET C# and .NET Core, reducing manual tasks by 80%.
- Optimized CI/CD pipelines in Azure DevOps for seamless management across dev, UAT, and production stages.
- Executed technical support and documentation aligned with best software engineering practices in .NET C#/.NET Core.
- Sustained high availability of Card Management System (Prime), meeting strict uptime requirements within Azure infrastructure.
Senior Software Engineer
Karose Alliance Solutions Limited
03.2019 - 03.2020
- Implemented WebAPIs and services for telco and energy distribution companies, enhancing vending efficiency.
- Led development of flagship mobile app, empowering state-wide agents in sales and collection operations.
- Contributed to in-house administration applications by utilizing .NET C# for backend solutions.
- Executed complex backend solutions leveraging advanced engineering expertise in .NET C#.
Software Engineer
Pawakad Limited
08.2017 - 03.2019
- Developed Web APIs for aggregating collections by super and subagents using .NET, .NET Core, and Java.
- Delivered maintenance and new features for mobile applications utilizing native Java.
- Resolved customer complaints and queries as an L2 support engineer, demonstrating strong problem-solving capabilities.
Web Developer
Omnific Works
10.2012 - 12.2013
- Developed diverse applications using PHP frameworks like CodeIgniter and Elgg with MySQL for database management.
- Contributed to award-winning apps OneCrier and LearnThem through strategic technical solutions.
- Engaged with teams at hackathons, fostering innovation and collaborative problem-solving.
Education
Master of Science - Computer Science
University of Lagos
Lagos07-2019
Bachelor of Technology - Computer Science
Federal University of Technology Akure
Akure12-2014
Skills
- SQL
- Amazon Web Services (AWS)
- C#
- Git
- JavaScript
- Microservices
- Nodejs
- MongoDB
- ASPNET Core
- Microsoft SQL Server
- RESTful APIs
- Unit testing
- Azure DevOps
- Software architecture
- Problem solving
Certification
- Leadership Essentials, part of Black Leadership Academy
McKinsey & Company
Issued Apr 2023
Languages
English
First Language
French
Intermediate (B1)
B1
Timeline
Senior Fullstack Engineer
Sidmach Technologies Limited
07.2024 - Current
Software Engineering Team Lead
Adebayo Adeleke LLC
08.2023 - 07.2024
Senior Engineer, Site Reliability Engineering
Cellulant Limited
07.2022 - 08.2023
Senior Software Engineer
Zone (formerly Appzone Limited)
03.2020 - 07.2022
Senior Software Engineer
Karose Alliance Solutions Limited
03.2019 - 03.2020
Software Engineer
Pawakad Limited
08.2017 - 03.2019
Web Developer
Omnific Works
10.2012 - 12.2013
Master of Science - Computer Science
University of Lagos
Bachelor of Technology - Computer Science
Federal University of Technology Akure
Similar Profiles
ONABOWALE J. OPAKUNLEONABOWALE J. OPAKUNLE
Data Engineer at Sidmach Technologies Nigeria LimitedData Engineer at Sidmach Technologies Nigeria Limited
Grace Anietie-WilliamsGrace Anietie-Williams
Legal Officer at Sidmach Technologies Nigeria LimitedLegal Officer at Sidmach Technologies Nigeria Limited
ORINAYO WILLIAMSORINAYO WILLIAMS
Digital Marketing Intern at Sidmach TechnologiesDigital Marketing Intern at Sidmach Technologies
Heru Joko Priyo UtomoHeru Joko Priyo Utomo
Senior Fullstack Engineer at GrabSenior Fullstack Engineer at Grab
Robel HerarsoRobel Herarso
Senior Fullstack Engineer at WGU (Insight Global)Senior Fullstack Engineer at WGU (Insight Global)