Kingsley Ajaezo

Senior Software Engineer at FairMoney

Lagos, Lagos State, Nigeria

About

Software Engineer with a Computer Science background, specializing in building scalable, high-performance web applications that deliver exceptional user experiences across Fintech, Edutech, SaaS, Real Estate, and Blockchain industries. I leverage modern development practices and comprehensive testing methodologies to craft robust solutions that balance technical excellence with intuitive design. Working at the intersection of engineering, design, and product, I own projects end-to-end in collaborative environments, bridging the gap between technical expertise and product teams to ensure successful delivery. At Fairmoney (Africa's most reliable loan giant), I consistently deliver solutions that balance functionality with user-centered design, ensuring optimal performance across all platforms and devices. Currently, I'm passionate about shaping the future of tech by building the next generation of software engineers at Uptick Talent—empowering emerging talent to transform ideas into impactful solutions. My proactive approach drives project excellence, consistently surpassing KPIs while fostering energetic team collaboration that elevates overall product quality.

Experience

  • Software Engineer at FairMoney
    Feb 2023 - Present · 3 yrs 6 mos

    I build web and mobile systems for merchant banking, agent operations, assisted onboarding, KYC, lending, terminal requests, POS management, and internal sales workflows. • Worked on the new app for assisted merchant onboarding and POS management, supporting KYC capture, onboarding flows, terminal requests, and agent operations. • Built and maintained production React, Next.js, TypeScript, and React Native interfaces used by merchants, field teams, and internal operations teams. • Went beyond UI implementation by tracing backend flows around roles, permissions, and product logic to unblock integration issues faster. • Contributed to financial-product flows including loans, payments, transfers, guarantors, terminal requests, account upgrades, and KYC. • Mentored junior engineers through code reviews, pairing, and implementation guidance.

  • Protocol Engineering Intern - Rust Bootcamp at Web3Bridge
    Jan 2026 - May 2026 · 5 mos

    Completed a Rust and Ethereum protocol-engineering bootcamp focused on systems-level programming, execution-layer fundamentals, and open blockchain infrastructure. • Built Rust CLI tools and a multithreaded HTTP server while strengthening ownership, borrowing, concurrency, and error-handling fundamentals. • Built an async Rust blog API using Axum, Tokio, Serde, and structured backend patterns. • Implemented a mini Redis-style caching server to understand networking, storage, and protocol design. • Built a simplified stack-based EVM supporting core opcodes like PUSH, POP, ADD, SUB, SSTORE, and SLOAD. • Gained practical exposure to Bitcoin, Stellar, Chainlink Keeper / smart contract automation, wallet thinking, and blockchain application design.

  • Software Engineer at Meta & Major League Hacking
    Sep 2024 - Dec 2024 · 4 mos

    Contributed to Meta’s Lexical rich-text editor through the MLH Fellowship, working inside a large React and open-source engineering ecosystem. • Investigated documentation gaps and implementation details across Lexical’s editor packages. • Exposed missing classes in Lexical’s default exports and improved changes through maintainer review. • Worked with GitHub workflows, code review feedback, issue context, and contribution standards used in mature open-source projects. • Strengthened my understanding of React architecture, editor tooling, documentation quality, and collaborative engineering in public codebases.

  • Software Engineer at CrowdForce
    Feb 2021 - Feb 2023 · 2 yrs 1 mo

    Worked on product systems supporting merchants, field agents, payments, reporting, and operations teams. • Built and maintained frontend tools for agent operations, merchant self-service, transaction reporting, and sales monitoring. • Led four frontend engineers in taking a merchant operations portal from idea to production. • Built analytics and reporting interfaces for transaction-heavy merchant operations. • Standardized shared frontend components and delivery workflows across product surfaces. • Collaborated closely with backend, product, and operations teams to ship reliable tools for field and merchant workflows.

  • Web Developer and IT Personnel at Century Gateways Technologies
    Nov 2018 - Apr 2020 · 1 yr 6 mos

    Worked across web development, internal tools, student training, and IT support. • Built and deployed company websites and client-facing tools. • Contributed to a PHP-based point-of-sale and inventory system for warehouse operations. • Trained students in HTML, CSS, JavaScript, PHP, and Java. • Supported hardware procurement, troubleshooting, and day-to-day IT operations.