I have hands-on experience in programming with Javascript, C#, and Go, including frameworks like React, Angular, NodeJS, and NestJS. As a problem solver, I approach situations from multiple perspectives and work quickly and efficiently to deliver the best results. I'm a perfectionist and driven worker, and clear communication allows me to bring out the best in any team and project. I enjoy developing scalable, secure, and high-performance solutions, especially in fintech and backend systems. My experience spans cloud platforms, microservices, and AI solutions, which enables me to stay at the forefront of technology and contribute meaningfully to innovative projects.

Assurance Fagbolagun

I have hands-on experience in programming with Javascript, C#, and Go, including frameworks like React, Angular, NodeJS, and NestJS. As a problem solver, I approach situations from multiple perspectives and work quickly and efficiently to deliver the best results. I'm a perfectionist and driven worker, and clear communication allows me to bring out the best in any team and project. I enjoy developing scalable, secure, and high-performance solutions, especially in fintech and backend systems. My experience spans cloud platforms, microservices, and AI solutions, which enables me to stay at the forefront of technology and contribute meaningfully to innovative projects.

Available to hire

I have hands-on experience in programming with Javascript, C#, and Go, including frameworks like React, Angular, NodeJS, and NestJS. As a problem solver, I approach situations from multiple perspectives and work quickly and efficiently to deliver the best results. I’m a perfectionist and driven worker, and clear communication allows me to bring out the best in any team and project.

I enjoy developing scalable, secure, and high-performance solutions, especially in fintech and backend systems. My experience spans cloud platforms, microservices, and AI solutions, which enables me to stay at the forefront of technology and contribute meaningfully to innovative projects.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
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Language

English
Fluent

Work Experience

Lead Frontend Engineer at Raenest Inc
September 1, 2023 - June 26, 2024
Developed highly-responsive, clean frontend fintech solutions used by over 700k freelancers and 300+ businesses globally. Built scalable, reusable React components in TypeScript improving code quality and reducing bugs. Used React Query for data synchronization enhancing reactivity and load times. Implemented security best practices including CSP policies, secure environment variable management, and Google reCAPTCHA bot prevention. Led a development team, performed code reviews, and optimized solutions. Conducted unit and end-to-end testing using Jest, React Testing Library, and Playwright.
Google AI Services - LLM Typescript/Node Engineer at Turing Inc
November 1, 2024 - April 30, 2025
Trained large language models (LLMs) for Google DeepMind on multimodality, enabling models to handle diverse data types such as text and images. Contributed to AI innovations and delivering cutting-edge multimodal AI solutions tailored to real-world use cases.
Lead Backend Engineer at Sahara Group
June 1, 2023 - April 30, 2025
Designed and implemented an energy advance lending service with a robust decision engine based on purchase history to allow customers to buy prepaid electricity on credit. Engineered a high-volume payment system processing over ₦10B monthly for electricity, utilities, and e-commerce. Built TypeScript/NestJS microservices for gRPC distributed systems ensuring fast, instant payments using strongly typed proto/protobuf contracts. Enabled bulk enterprise payment processing for up to 500 transactions simultaneously, reducing fees and enhancing customer satisfaction.
Senior Frontend Engineer (part-time) at Bendcircular
November 1, 2023 - March 31, 2024
Architected a component-driven system with React and Storybook improving UI consistency and reducing rework. Enhanced website performance and accessibility based on Lighthouse reports.
Software Engineer at Interswitch Group
June 1, 2022 - September 30, 2023
Developed SDKs to enable PCI-DSS non-compliant lenders to securely collect card details. Integrated 3D-Secure payments for VISA and Mastercard for Quickteller and WebPay platforms. Built merchant lending module enabling business loan access using TypeScript, React, Redux, and Material UI. Led frontend engineering for lending and data teams building intuitive user interfaces and optimizing applications.
Software Engineer at Access Bank Plc
August 1, 2021 - May 31, 2022
Developed Trade Plus solution for issuing Letters of Credit and Bills for collection facilitating international trade payments. Migrated .NET applications to .NET Core improving performance and redesigned MVC architecture into SPA (React) and APIs (.NET Core).
Software Engineer at Fidelity Bank Plc
August 1, 2019 - July 31, 2021
Developed backend APIs for Infopool mobile app, automated compliance team operations improving law enforcement requests response times, and developed an eSignature web app enabling hierarchical e-signatures during Covid-19 restrictions.

Education

B.Eng. at Federal University of Technology Akure, Nigeria
January 1, 2011 - December 31, 2016

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Financial Services, Energy & Utilities