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I'm a Senior Fullstack Developer with 9+ years of experience building secure, high-availability microservices for fintech and core banking platforms. I specialize in .NET/C#, SQL, Azure, and event-driven architectures, delivering scalable systems that handle high-volume transactions.\n\nBased in Ontario with full work authorization, I lead cross-functional teams, collaborating with product, QA, and DevOps to ship reliable software. I value mentorship, clean architecture, and continuous improvement, and I enjoy applying AI/automation best practices to improve productivity and outcomes.…I'm a Senior Fullstack Developer with 9+ years of experience building secure, high-availability microservices for fintech and core banking platforms. I specialize in .NET/C#, SQL, Azure, and event-driven architectures, delivering scalable systems that handle high-volume transactions.\n\nBased in Ontario with full work authorization, I lead cross-functional teams, collaborating with product, QA, and DevOps to ship reliable software. I value mentorship, clean architecture, and continuous improvement, and I enjoy applying AI/automation best practices to improve productivity and outcomes.

OLUCHUKWU QUEENETH ADUMIJE

Full Stack Developer, DevOps Developer, Cloud Developer, +2

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I'm a Senior Fullstack Developer with 9+ years of experience building secure, high-availability microservices for fintech and core banking platforms. I specialize in .NET/C#, SQL, Azure, and event-driven architectures, delivering scalable systems that handle high-volume transactions.\n\nBased in Ontario with full work authorization, I lead cross-functional teams, collaborating with product, QA, and DevOps to ship reliable software. I value mentorship, clean architecture, and continuous improvement, and I enjoy applying AI/automation best practices to improve productivity and outcomes.…I'm a Senior Fullstack Developer with 9+ years of experience building secure, high-availability microservices for fintech and core banking platforms. I specialize in .NET/C#, SQL, Azure, and event-driven architectures, delivering scalable systems that handle high-volume transactions.\n\nBased in Ontario with full work authorization, I lead cross-functional teams, collaborating with product, QA, and DevOps to ship reliable software. I value mentorship, clean architecture, and continuous improvement, and I enjoy applying AI/automation best practices to improve productivity and outcomes.

Available to hire

I’m a Senior Fullstack Developer with 9+ years of experience building secure, high-availability microservices for fintech and core banking platforms. I specialize in .NET/C#, SQL, Azure, and event-driven architectures, delivering scalable systems that handle high-volume transactions.\n\nBased in Ontario with full work authorization, I lead cross-functional teams, collaborating with product, QA, and DevOps to ship reliable software. I value mentorship, clean architecture, and continuous improvement, and I enjoy applying AI/automation best practices to improve productivity and outcomes.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

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Expert

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Expert

Expert

Language

English

Fluent

Work Experience

Senior Fullstack Developer & Technical Lead at Revent Technologies

January 1, 2021 - Present

Led a team to design and deliver a Core Banking solution using Node.js, React, .NET Core and event-driven architecture, supporting 1M+ daily transactions with 90% uptime and optimized response times. Built distributed enterprise systems using Azure Service Bus and Kafka, handling 5,000+ concurrent requests per day; reduced failure rates by 70% and improved latency by 65% under peak load. Oversaw enterprise RPA initiatives with UiPath and developed an enterprise workflow and e-signature platform using C#, CQRS and Angular/TypeScript, boosting performance and user adoption. Implemented cloud-native DevOps practices with Azure DevOps and Key Vault; introduced Redis caching and SQL Server optimizations to improve throughput. Containerized services with Docker and Kubernetes across Azure and AWS. Led organization-wide AI enablement and scaled the engineering team to 50+.

Software Engineer & Technology Consultant at Deloitte

November 1, 2018 - December 1, 2020

Delivered enterprise RPA solutions using UiPath for multiple large clients, reducing manual processing by 90%. Built a reusable C# automation library adopted across 10+ automation projects, improving development speed by 80%. Developed Payroll and Tax platform using C#, Angular and TypeScript, automating document processing with ML APIs and enabling reporting through Power BI dashboards, improving processing efficiency by 80%.

Software Developer (Function Lead) at Appzone Group

January 1, 2016 - November 1, 2018

Developed and maintained 4 core modules for a core banking system (loans, accounts, APIs, real-time transactions), supporting 5,000+ daily transactions in a high-availability environment. Implemented Redis-based caching to optimize performance, reducing system latency by 80% during high-traffic operations. Led high-availability production support and improved end-of-day batch processing efficiency by 70%, reducing processing time and system downtime.