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I am a Senior Full-Stack Engineer with 7+ years of experience building scalable, secure, and high-performance web, mobile, and backend applications. I specialize in Java (Spring Boot), Flutter, and React, with fintech, SaaS, and enterprise systems experience—including banking infrastructure at Sterling Bank and Fidelity Bank. I have delivered measurable impact: 70% throughput gains, 40% reduction in transaction failures, and 80% cuts in manual QA effort. I co-founded Yufuza and serve as CTO, architecting a multi-tenant SaaS platform, driving DevOps, and delivering AI-driven features such as sentiment tagging and auto-ticket creation. I am open to remote roles globally.…I am a Senior Full-Stack Engineer with 7+ years of experience building scalable, secure, and high-performance web, mobile, and backend applications. I specialize in Java (Spring Boot), Flutter, and React, with fintech, SaaS, and enterprise systems experience—including banking infrastructure at Sterling Bank and Fidelity Bank. I have delivered measurable impact: 70% throughput gains, 40% reduction in transaction failures, and 80% cuts in manual QA effort. I co-founded Yufuza and serve as CTO, architecting a multi-tenant SaaS platform, driving DevOps, and delivering AI-driven features such as sentiment tagging and auto-ticket creation. I am open to remote roles globally.

Richard Fagbenro

Full Stack Developer, Back-End Developer, Web Developer, +4

5.0 (1 review)

I am a Senior Full-Stack Engineer with 7+ years of experience building scalable, secure, and high-performance web, mobile, and backend applications. I specialize in Java (Spring Boot), Flutter, and React, with fintech, SaaS, and enterprise systems experience—including banking infrastructure at Sterling Bank and Fidelity Bank. I have delivered measurable impact: 70% throughput gains, 40% reduction in transaction failures, and 80% cuts in manual QA effort. I co-founded Yufuza and serve as CTO, architecting a multi-tenant SaaS platform, driving DevOps, and delivering AI-driven features such as sentiment tagging and auto-ticket creation. I am open to remote roles globally.…I am a Senior Full-Stack Engineer with 7+ years of experience building scalable, secure, and high-performance web, mobile, and backend applications. I specialize in Java (Spring Boot), Flutter, and React, with fintech, SaaS, and enterprise systems experience—including banking infrastructure at Sterling Bank and Fidelity Bank. I have delivered measurable impact: 70% throughput gains, 40% reduction in transaction failures, and 80% cuts in manual QA effort. I co-founded Yufuza and serve as CTO, architecting a multi-tenant SaaS platform, driving DevOps, and delivering AI-driven features such as sentiment tagging and auto-ticket creation. I am open to remote roles globally.

Available to hire

I am a Senior Full-Stack Engineer with 7+ years of experience building scalable, secure, and high-performance web, mobile, and backend applications. I specialize in Java (Spring Boot), Flutter, and React, with fintech, SaaS, and enterprise systems experience—including banking infrastructure at Sterling Bank and Fidelity Bank. I have delivered measurable impact: 70% throughput gains, 40% reduction in transaction failures, and 80% cuts in manual QA effort.

I co-founded Yufuza and serve as CTO, architecting a multi-tenant SaaS platform, driving DevOps, and delivering AI-driven features such as sentiment tagging and auto-ticket creation. I am open to remote roles globally.

Skills

Experience Level

Expert

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Intermediate

Intermediate

Intermediate

Language

English

Fluent

Yoruba

Fluent

Work Experience

Co-Founder & CTO at Yufuza (SaaS)

December 1, 2024 - Present

Architected and built a multi-tenant SaaS platform for AI-powered customer feedback analysis from scratch. Defined full-stack technology choices, engineering standards, and DevOps. Integrated Stripe and Paddle for subscription billing, invoicing, free trials, and automated payment workflows. Shipped AI-driven features including sentiment tagging, automated feedback summaries, and auto-ticket creation for negative reviews. Managed full DevOps lifecycle: CI/CD pipelines, server deployments, logging, monitoring, and production performance optimization.

Backend Engineer at Sterling Bank Nigeria

January 1, 2022 - December 31, 2024

Designed secure RESTful APIs to support core banking services and fintech workflows. Architected and maintained scalable microservices infrastructure using Spring Boot. Implemented robust security measures including JWT authentication, OAuth2, and role-based access control. Collaborated with cross-functional teams to integrate third-party financial services and payment gateways. Improved reliability and reduced latency to support growing demand.

Backend Developer at TheScoreGuys (Remote)

March 1, 2023 - August 31, 2024

Redesigned core Spring Boot services, eliminating bottlenecks and achieving 70% improvement in API response times. Built analytics integration APIs standardizing KPI data pipelines, improving tracking accuracy by 20%. Hardened endpoints with Spring Security RBAC; aimed to zero unauthorized access incidents. Collaborated with frontend/product teams to resolve backend issues in a fast-paced remote environment.

Software Developer at WolfgangStuart (Remote)

December 1, 2022 - January 1, 2023

Rebuilt legacy Spring Boot modules, achieving a 70% improvement in throughput and eliminating years of performance debt. Automated recurring internal workflows (data exports, report generation, notification pipelines), cutting manual engineering effort by 60%. Introduced encryption at rest and in transit with layered access controls; zero security incidents post-deployment.

Contract Backend Developer at Zynex Technologies

January 1, 2021 - January 1, 2022

Designed a fault-tolerant order processing engine with retry logic, idempotent transactions, and graceful error handling for reliable fulfilment under load. Reduced transaction failure rate by 40% and improved average API response time by 55% via targeted query optimisation and caching. Secured all API endpoints with JWT authentication and validated third-party integrations to prevent unauthorized access.

Software Developer at Cayzu Inc – Remote (Contract)

June 1, 2021 - August 31, 2022

Delivered RESTful APIs enabling seamless third-party integrations, improving interoperability across the product’s partner ecosystem. Built automated test suite of 3,000+ Selenium test cases, reducing manual QA workload by 80% and shortening release cycles.

Backend / Full-Stack Developer at Midcel Softwares Ltd

May 1, 2018 - January 1, 2021

Led backend development for multiple enterprise products using Spring Boot; designed secure payment processing integrations tailored to African regulatory and infrastructure needs. Scaled infrastructure to support growing user base across sub-Saharan Africa, delivering reliability and performance improvements.

Lead Flutter Developer at WinningEdge AI (Remote)

December 1, 2023 - April 30, 2024

Led end-to-end development of an AI-powered sports bet analysis and prediction app for Android and iOS using Flutter. Integrated ChatGPT API to analyse match data and generate bet recommendations, with an in-app conversational interface. Optimised app performance and state management, delivering a cross-platform codebase from a single Flutter project to reduce development time.

Flutter Developer at Fidelity Bank Nigeria

January 1, 2020 - January 1, 2022

Developed and shipped mobile app features for Fidelity Bank’s customer-facing Flutter application on iOS and Android. Integrated RESTful APIs and banking backend services for real-time data flow. Implemented responsive UI/UX designs and optimized performance; maintained modules to improve stability and security compliance.

Mobile Developer (Flutter) at MySoundwise (Remote, Contract)

January 1, 2020 - November 1, 2021

Led migration of the MySoundwise audio platform from separate native Android/iOS codebases to a unified Flutter app. Achieved 100,000+ downloads post-migration; reduced maintenance by consolidating two native codebases.

Software Developer at Midcel Softwares Ltd

May 1, 2018 - January 1, 2021

Led backend development for multiple enterprise products using Spring Boot, from initial architecture through production deployment. Designed secure payment processing integrations tailored to African regulatory and infrastructure requirements. Scaled infrastructure to support growing user base across sub-Saharan Africa, delivering reliability and performance improvements over time.

Contract Backend Developer at Zynex Technologies (Contract)

January 1, 2021 - January 1, 2022

Designed a fault-tolerant order processing engine in Spring Boot with retry logic, idempotent transactions, and graceful error handling for reliable fulfilment under load. Reduced transaction failure rate by 40% and improved average API response time by 55% via targeted query optimisation and caching strategies. Secured all API endpoints with JWT authentication and validated third-party integrations to prevent unauthorized access.