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Ajibose Alexander

@ajibosealexander

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Software developer specializing in scalable .NET and microservices solutions with strong distributed-systems expertise.

Nigeria

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What I'm looking for

I seek roles building scalable, high-performance backend or full-stack systems using microservices, clean architecture, and cloud/container deployments in collaborative Agile teams.

I am a software developer with over 6 years of experience designing and building scalable, high-performance applications using .NET, .NET Core, Node.js, Angular, SQL, Redis, and RabbitMQ. I focus on microservices architectures, SOLID principles, multithreading, and distributed systems to deliver maintainable, efficient solutions.

I have driven performance optimizations, implemented event-driven and asynchronous processing, and worked with containerized deployments (Docker, AWS ECS) across banking and payments domains. I value clean code, iterative Agile delivery, and mentoring through code reviews to improve team productivity.

Experience

Work history, roles, and key accomplishments

Current

Software Developer

Current

Guaranty Trust Bank

Sep 2021 - Present (4 years 3 months)

Design and maintain scalable .NET/.NET Core microservices for Transfer, Payment and Loans, improving modularity and high-concurrency performance using Redis and RabbitMQ. Optimized GTB Transfer microservice performance and supported containerized deployments on Docker and AWS ECS.

C++.NET Core Microservices Redis RabbitMQ SQL Entity Framework Docker AWS ECS

Software Developer

Vsured Limited

Jan 2022 - Dec 2022 (11 months)

Implemented microservices for access management and digital registrar services, improving scalability and throughput through async processing, Redis caching and RabbitMQ messaging. Participated in performance optimization and code reviews within Agile teams.

C++.NET Core Microservices Redis RabbitMQ SQL Entity Framework Agile

Software Developer

Smartteller Ltd

Oct 2019 - Jul 2021 (1 year 9 months)

Developed Node.js and .NET microservices for payments, transaction transfer and bill payments, enhancing reliability with Redis caching and RabbitMQ messaging while applying SOLID principles and ACID-safe data practices.

Node C++.NET Core Microservices Redis RabbitMQ SQL Entity Framework Payments

Software Developer

Freelance

Mar 2018 - Oct 2019 (1 year 7 months)

Designed and built scalable web applications using Node.js, .NET and PHP, implementing relational databases, Redis caching and asynchronous processing to support high-volume transactions.

Node C++.NET PHP SQL Redis Entity Framework Asynchronous Microservices

Education

Degrees, certifications, and relevant coursework

Ladoke Akintola University of Technology

Bachelor of Science, Computer Science

2015 - 2019

Bachelor of Science in Computer Science completed at Ladoke Akintola University of Technology between 2015 and 2019, covering core computing topics and practical software development skills.