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I'm Jo e Jolaoso, a results-oriented Full Stack Engineer with 5+ years of experience designing, developing, and deploying scalable web and mobile applications across healthcare, fintech, and digital platforms. I am proficient in Swift, React, Node.js, Django, and PostgreSQL, with a strong focus on building secure APIs, real-time features, and intuitive interfaces. I have delivered multiple MVPs from concept to launch, boosting user engagement by 30% and increasing system reliability by 25%. I thrive in Agile environments, excel at performance optimization, and integrate REST and GraphQL APIs to enable seamless cross-platform experiences.…I'm Jo e Jolaoso, a results-oriented Full Stack Engineer with 5+ years of experience designing, developing, and deploying scalable web and mobile applications across healthcare, fintech, and digital platforms. I am proficient in Swift, React, Node.js, Django, and PostgreSQL, with a strong focus on building secure APIs, real-time features, and intuitive interfaces. I have delivered multiple MVPs from concept to launch, boosting user engagement by 30% and increasing system reliability by 25%. I thrive in Agile environments, excel at performance optimization, and integrate REST and GraphQL APIs to enable seamless cross-platform experiences.

Joe Jolaoso

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

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I'm Jo e Jolaoso, a results-oriented Full Stack Engineer with 5+ years of experience designing, developing, and deploying scalable web and mobile applications across healthcare, fintech, and digital platforms. I am proficient in Swift, React, Node.js, Django, and PostgreSQL, with a strong focus on building secure APIs, real-time features, and intuitive interfaces. I have delivered multiple MVPs from concept to launch, boosting user engagement by 30% and increasing system reliability by 25%. I thrive in Agile environments, excel at performance optimization, and integrate REST and GraphQL APIs to enable seamless cross-platform experiences.…I'm Jo e Jolaoso, a results-oriented Full Stack Engineer with 5+ years of experience designing, developing, and deploying scalable web and mobile applications across healthcare, fintech, and digital platforms. I am proficient in Swift, React, Node.js, Django, and PostgreSQL, with a strong focus on building secure APIs, real-time features, and intuitive interfaces. I have delivered multiple MVPs from concept to launch, boosting user engagement by 30% and increasing system reliability by 25%. I thrive in Agile environments, excel at performance optimization, and integrate REST and GraphQL APIs to enable seamless cross-platform experiences.

Available to hire

I’m Jo e Jolaoso, a results-oriented Full Stack Engineer with 5+ years of experience designing, developing, and deploying scalable web and mobile applications across healthcare, fintech, and digital platforms. I am proficient in Swift, React, Node.js, Django, and PostgreSQL, with a strong focus on building secure APIs, real-time features, and intuitive interfaces.

I have delivered multiple MVPs from concept to launch, boosting user engagement by 30% and increasing system reliability by 25%. I thrive in Agile environments, excel at performance optimization, and integrate REST and GraphQL APIs to enable seamless cross-platform experiences.

Skills

Experience Level

Expert

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Intermediate

Work Experience

Software Engineer at Yanga Games Technology

October 1, 2021 - Present

Developed and optimized RESTful APIs and Redis-based caching systems to improve backend response times by 40%, enabling high-traffic scalability. Built secure payment workflows integrating Paystack, Monnify, and Fincra, increasing transaction success rates by 22% while ensuring data security compliance. Designed real-time data integration with Sportradar’s live streams to maintain low latency for large concurrent user volumes. Improved SSR performance in Nuxt.js by 30%, enhancing SEO and load times.

Software Developer at Vermantia

September 1, 2021 - October 15, 2025

Delivered a React-based Bet Acceptance System, improving real-time transaction processing by 40% and streamlining user experience. Integrated GraphQL APIs and WebSocket connections for real-time updates, ensuring low-latency data synchronization across multiple endpoints. Developed scalable Node.js and PostgreSQL backend solutions, optimizing performance and maintaining system uptime above 99.9%. Collaborated within Agile teams, contributing to on-schedule sprint deliveries and efficient code reviews.