Omoleye Oluseye

Senior Software Engineer — Core Business & Platform Systems

Building and operating production systems for over a decade

Abuja, Nigeria · UTC+1 · Open to remote Senior / Lead Backend Engineer roles

Engineering Profile

Senior/Lead software engineer with 10+ years designing and operating business-critical software systems where correctness, reliability, and operational clarity matter.

Across a decade of engineering work, I’ve helped organizations translate complex workflows — financial processes, marketplaces, verification systems, and internal operations — into reliable production systems.

My work focuses on turning business requirements into structured platforms with clear system states, predictable behavior, and dependable infrastructure — systems that remain correct under change, resilient under real production load, and understandable as teams grow.

I typically work where businesses need to start, organize, or stabilize their core systems, leading backend initiatives and helping teams build platforms they can depend on as they scale.

Systems Expertise

Background

I hold both a Bachelor's and Master's degree in Computer Science and have spent over a decade designing and operating production systems across fintech, renewable energy marketplaces, and enterprise platforms.

Much of my work has involved environments where systems must evolve alongside growing businesses, changing requirements, and real operational pressure.

This experience shaped how I design software: explicit system behaviors, stable operational foundations, and architectures that remain maintainable as teams and products evolve.

Highlighted Experience

TrustVerify

Remote · 2025 - Present

Lead Engineer — Business Verification Platform

Led technical planning and development of TrustVerify, a verification platform enabling businesses to establish trusted identities and verifiable credentials.

Defined system architecture, API contracts, and data models prior to development, guiding implementation across the platform.

Designed the verification lifecycle as explicit system states so transitions cannot be skipped, replayed, or partially applied under concurrent requests.

Mentored engineers and promoted structured backend architecture, testing practices, and maintainable system design.

Next.js, Node.js, PostgreSQL, GCP

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LevelTen Energy

Seattle, United States · 2020 - 2025

Senior Software Engineer — Energy Marketplace Platform

Built and operated software powering renewable energy marketplaces across North America and Europe, working within a distributed engineering team supporting enterprise-scale transactions.

Contributed to backend architecture and technical design, defining APIs, data models, and service behavior across the marketplace platform.

Designed APIs and backend services supporting pricing systems, partner integrations, and transaction workflows across the platform.

Improved system performance by ~30–35% through database query optimization and stronger validation logic.

Supported production infrastructure on Google Cloud Platform maintaining systems handling live marketplace activity.

Angular, Node.js, PostgreSQL, GCP

Fidelity Bank

Lagos, Nigeria · 2017 - 2019

Senior / Lead Engineer — Core Banking Systems

Led backend development of internal banking systems supporting loan lifecycles including approval, disbursement, repayment, and audit tracking.

Modeled lending operations as explicit system states and workflows to ensure financial correctness and regulatory traceability.

Reduced manual processing errors by ~40% through structured workflow automation across lending operations.

Angular, ASP.NET Core, SQL Server

AB Microfinance Bank

Lagos, Nigeria · 2019 - 2020

Senior Software Engineer — Lending Platforms

Worked on microfinance banking systems supporting customer onboarding, loan approvals, and repayment tracking for small business clients.

Translated lending workflows into backend services and operational tools used by loan officers managing day-to-day lending activities.

Mentored junior engineers and promoted maintainable backend architecture and testing practices.

ASP.NET, SQL Server

Prunedge

Lagos, Nigeria · 2016 - 2017

Software Engineer — Enterprise Applications

Built enterprise web applications for e-commerce clients, translating business requirements into backend services and production web platforms.

Developed REST APIs and backend services using ASP.NET while working with product and implementation teams to deliver client systems.

ASP.NET, SQL Server, JavaScript

Selected Feedback

“He approaches system design with rare clarity.” — Product Lead, Fidelity Bank

Across more than a decade of engineering work, my focus has remained consistent: helping organizations translate real operational needs into reliable systems that teams trust and businesses depend on.