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Hi, I’m Clement Okiyi. I’m a Senior Software Engineer with 8+ years of experience architecting and delivering scalable, high-integrity systems across fintech, enterprise SaaS, and cloud-native environments. I specialize in microservices migrations, optimizing distributed systems for uptime, and integrating national payment infrastructures. I’m passionate about clean architecture, observability, and mentoring engineers to ship reliable software that drives real business outcomes. I’m seeking a senior engineering role to elevate architecture, reliability, and team impact in high-performance organizations.…Hi, I’m Clement Okiyi. I’m a Senior Software Engineer with 8+ years of experience architecting and delivering scalable, high-integrity systems across fintech, enterprise SaaS, and cloud-native environments. I specialize in microservices migrations, optimizing distributed systems for uptime, and integrating national payment infrastructures. I’m passionate about clean architecture, observability, and mentoring engineers to ship reliable software that drives real business outcomes. I’m seeking a senior engineering role to elevate architecture, reliability, and team impact in high-performance organizations.

Clement Okiyi

Full Stack Developer, Web Developer, Back-End Developer, +2

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Hi, I’m Clement Okiyi. I’m a Senior Software Engineer with 8+ years of experience architecting and delivering scalable, high-integrity systems across fintech, enterprise SaaS, and cloud-native environments. I specialize in microservices migrations, optimizing distributed systems for uptime, and integrating national payment infrastructures. I’m passionate about clean architecture, observability, and mentoring engineers to ship reliable software that drives real business outcomes. I’m seeking a senior engineering role to elevate architecture, reliability, and team impact in high-performance organizations.…Hi, I’m Clement Okiyi. I’m a Senior Software Engineer with 8+ years of experience architecting and delivering scalable, high-integrity systems across fintech, enterprise SaaS, and cloud-native environments. I specialize in microservices migrations, optimizing distributed systems for uptime, and integrating national payment infrastructures. I’m passionate about clean architecture, observability, and mentoring engineers to ship reliable software that drives real business outcomes. I’m seeking a senior engineering role to elevate architecture, reliability, and team impact in high-performance organizations.

Available to hire

Hi, I’m Clement Okiyi. I’m a Senior Software Engineer with 8+ years of experience architecting and delivering scalable, high-integrity systems across fintech, enterprise SaaS, and cloud-native environments.

I specialize in microservices migrations, optimizing distributed systems for uptime, and integrating national payment infrastructures. I’m passionate about clean architecture, observability, and mentoring engineers to ship reliable software that drives real business outcomes. I’m seeking a senior engineering role to elevate architecture, reliability, and team impact in high-performance organizations.

Skills

Experience Level

Expert

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Language

English

Fluent

Work Experience

Data Annotator at Edinburgh Napier University

August 1, 2023 - February 1, 2024

Reviewed and analyzed results from the skill and knowledge extraction pipeline for accuracy; compared extracted skills with original job descriptions to assess precision; collaborated with the data annotator team to improve model performance; contributed to quality assurance processes and data labeling across text, images, and videos; evaluated AI-generated outputs and conducted quality control to ensure dataset integrity.

Software Engineer at SavvyCrest

February 1, 2021 - July 1, 2025

Developed secure REST APIs using ASP.NET Core with JWT authentication, RBAC, and API versioning; built scalable backend APIs for enterprise e-commerce with 500k+ MAU; integrated Stripe Connect and PayPal workflows including webhooks, idempotency, and reconciliation jobs; optimized queries and introduced Redis caching to improve product catalog performance; collaborated with frontend (React) to define OpenAPI specs; implemented CI/CD with GitHub Actions and deployed to AWS ECS.

Software Engineer at OCR8Digitals

February 1, 2020 - December 1, 2021

Built and maintained enterprise backend services supporting utility payments and subscription management for millions of end users; created SOAP and REST APIs for third-party integrations with retry policies, circuit breakers, and comprehensive logging; refactored legacy VB.NET modules to .NET Core, improving testability and reducing technical debt; designed SQL Server schemas for transaction logging and billing; participated in 24/7 on-call rotation and post-incident reviews.

Software Engineer at SYCOM EBS Technology

June 1, 2017 - January 1, 2020

Built document management and patient record systems using ASP.NET MVC and SQL Server; developed web and backend apps for healthcare and enterprise clients with a focus on reliability and data integrity; refactored legacy code to follow SOLID principles and clean architecture, cutting code duplication and improving maintainability; integrated SMS/email notifications and worked in an Agile Scrum environment.