JOSHUA ADUROTIMI

Senior Backend Engineer
Lagos, NG.

About

Senior Backend Engineer with over 5 years of professional experience and over 7 years of freelancing experience, building backend systems. I specialize in C#, Java, Node.Js and PHP. Recently, I worked at Blinqpay Limited as a Backend Engineer, where I contributed to the design and development of fi ntech solutions. Committed to continuous learning and passionate about sharing knowledge through technical writing.

Work

Blinqpay Limited
|

Backend Software Engineer

England, UK

Summary

As a Backend Software Engineer, I contribute to the design and development of fintech solutions, focusing on payment system integration, security enhancement, and operational efficiency.

Highlights

Integrated mobile money transactions with advanced security protocols, reducing payment fraud by 25% and achieving a 95% transaction success rate across multiple African markets.

Enhanced payment security by integrating 2D and 3D Secure card transactions, reducing fraud incidents by 35% and increasing transaction success rates by 20% across diverse payment channels.

Engineered a secure, unified onboarding system using Node.js and NestJS, reducing merchant onboarding time by 60% while enhancing fraud prevention and resolving integration bottlenecks.

Developed and maintained a secure wallet system, improving fraud detection, streamlining transaction reconciliation, and increasing payment reliability by 40%.

Integrated bill payments via Cellulant and MagmaOne, enabling seamless multi-utility transactions and expanding payment options across multiple regions.

Microsoft
|

Software Engineer

Lagos, Nigeria, Nigeria

Summary

As a Software Engineer, I developed and maintained RESTful API services, collaborated on activity tracking applications, and contributed to an AI-driven community health app within a globally distributed team.

Highlights

Developed and maintained robust RESTful API services using C#, Entity Framework, and MySQL Server, ensuring high performance and scalability for critical applications.

Contributed across the full software development lifecycle to an activity tracking application using .NET Core, boosting user engagement by 20% through real-time operational insights.

Partnered with a globally distributed team in the Windows Developers and Experiences (WDX) organization, driving collaborative development and knowledge sharing.

Worked with a cross-functional team to build HealthPadi, a community health app utilizing Azure OpenAI API to deliver AI-driven insights, boosting health awareness by 10%.

Telvida Systems Int'l
|

Backend Software Engineer

Lagos, Nigeria, Nigeria

Summary

As a Backend Software Engineer, I led product development, delivered critical web applications, and developed scalable microservices to enhance system reliability and performance.

Highlights

Delivered a taxation and revenue management web application for Ibeju Lekki Local Government using PHP and Laravel, automating tax processes and generating N354.3 million in annual revenue.

Collaborated with engineers to develop scalable microservices and background workers for authentication and email services using Node.js and NestJS, improving system reliability for high-volume requests.

Oversaw end-to-end product development using Java and SpringBoot, from requirements gathering to deployment, streamlining workflows and boosting project delivery speed by 25%.

Acted as a Software Engineering Team Lead, guiding development efforts and ensuring high-quality project execution.

Penciledge Limited
|

Backend Software Engineer

Lagos, Nigeria, Nigeria

Summary

As a Backend Software Engineer, I developed enterprise applications and designed systems for digital content distribution, enhancing user engagement and accessibility.

Highlights

Developed enterprise applications for Loveworld Media Platforms using Node.js, Nest.js, and PostgreSQL, increasing user engagement by 20%.

Designed and implemented systems to facilitate book distribution in diverse formats, including audio, enhancing user accessibility by 30% using Java and SpringBoot.

Mozisha Int'l
|

FullStack Software Engineer

Lagos, Nigeria, Nigeria

Summary

As a FullStack Software Engineer, I collaborated on the design, development, and management of an enterprise mentorship and talent acquisition platform.

Highlights

Collaborated with a team of Software Engineers to design, develop, and manage an enterprise mentorship and talent acquisition platform, increasing platform activity by 40% and facilitating successful mentor-mentee pairings.

Education

Olusegun University of Science and Technology
Ondo State, Nigeria, Nigeria

Bachelor of Technology

Computer Science

Courses

Diploma in Software Engineering

Career Essentials in Generative AI by Microsoft and LinkedIn

Skills

Programming Languages

C#, Java, Node.js, PHP.

Frameworks

.NET, NestJS, SpringBoot, Laravel, .NET Core, Entity Framework.

Version Control

Git, Github, Gitlab.

Databases

PostgreSQL, MSSQL, MySQL, MongoDB, Redis.

DevOps Tools

Docker, Kubernetes, Github Actions, AWS (EC2, ECS, EKS, EBS, RDS), Azure, CI/CD.

Soft Skills

Product Ownership, Collaboration, Communication, Leadership, Analytical Abilities, Creative Thinking.

Leadership

Software Engineering Team Lead (Seenergy Solutions Ltd).

Software Engineering Concepts

Unit Testing, System Design, Design Patterns, Data Structures and Algorithms, RESTful API Services, Microservices, Full Software Development Lifecycle, Microservices architecture, Service-oriented architecture (SOA), Clean architecture, Hexagonal architecture, Domain-driven design, OOP.

Projects

Plaventi
Plaventi

Freelance

Summary

An event management platform where I built the core backend infrastructure that enables event planners to create and manage events, onboard team members, and track engagement. I also implemented secure payment processing, notifi cation systems, and analytics modules, and deployed the platform to azure with automated CI/CD pipelines(github actions).

Difa Labs
Difa Labs

Freelance

Summary

An AI-powered strategy operating system that allows businesses to test scenarios, analyze outcomes, and auto-generate tactical playbooks. I contributed to developing APIs for scenario simulation and predictive insights, integrating AI-driven services, and improving system performance and security.