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I'm Samuel Jarvis Adeyemi, a backend developer with over 4 years of experience building scalable backend systems using Node.js and NestJS. I specialize in TypeScript, PostgreSQL, and TDD with Jest to deliver secure, high-quality code. I'm adept at integrating APIs, managing systems, and leading teams to solve complex business problems efficiently. I design RESTful APIs to connect frontend apps, mobile apps, and backend services, and I respond promptly to incidents to restore service availability.…I'm Samuel Jarvis Adeyemi, a backend developer with over 4 years of experience building scalable backend systems using Node.js and NestJS. I specialize in TypeScript, PostgreSQL, and TDD with Jest to deliver secure, high-quality code. I'm adept at integrating APIs, managing systems, and leading teams to solve complex business problems efficiently. I design RESTful APIs to connect frontend apps, mobile apps, and backend services, and I respond promptly to incidents to restore service availability.

Samuel Jarvis Adeyemi

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

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I'm Samuel Jarvis Adeyemi, a backend developer with over 4 years of experience building scalable backend systems using Node.js and NestJS. I specialize in TypeScript, PostgreSQL, and TDD with Jest to deliver secure, high-quality code. I'm adept at integrating APIs, managing systems, and leading teams to solve complex business problems efficiently. I design RESTful APIs to connect frontend apps, mobile apps, and backend services, and I respond promptly to incidents to restore service availability.…I'm Samuel Jarvis Adeyemi, a backend developer with over 4 years of experience building scalable backend systems using Node.js and NestJS. I specialize in TypeScript, PostgreSQL, and TDD with Jest to deliver secure, high-quality code. I'm adept at integrating APIs, managing systems, and leading teams to solve complex business problems efficiently. I design RESTful APIs to connect frontend apps, mobile apps, and backend services, and I respond promptly to incidents to restore service availability.

Available to hire

I’m Samuel Jarvis Adeyemi, a backend developer with over 4 years of experience building scalable backend systems using Node.js and NestJS. I specialize in TypeScript, PostgreSQL, and TDD with Jest to deliver secure, high-quality code.

I’m adept at integrating APIs, managing systems, and leading teams to solve complex business problems efficiently. I design RESTful APIs to connect frontend apps, mobile apps, and backend services, and I respond promptly to incidents to restore service availability.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Backend Developer at Tradegrid

March 1, 2023 - Present

Collaborated with cross-functional teams to design and develop scalable backend systems and solutions to support Tradegrid's retail operations. Led refactoring of the codebase to version 2, aligning with new business requirements and significantly enhancing system performance. Integrated third-party APIs for loan disbursement and account setup with external services. Designed and developed RESTful APIs to facilitate communication between the frontend app, mobile app, and backend services. Responded promptly to production incidents and outages and implemented corrective actions to restore service availability.

Full-Stack Software Engineer at Byte X

December 31, 2024 - September 17, 2025

Architected a suite of Node.js and TypeScript-based web applications for managing geospatial digital assets, integrating with Express.js backend APIs. Developed Binocule, an interactive visualization tool, improving real-time monitoring capabilities for digital asset management. Engineered Nexus, a centralized dashboard using React.js and Node.js, streamlining administrative tasks and data management.

Front-End Developer at SpyderDev

December 31, 2024 - September 17, 2025

Developed front-end interfaces and user experiences for web applications, collaborating with cross-functional teams to deliver responsive UI using React.js and Tailwind CSS. Integrated front-end with back-end services built on Python (Django) and Node.js, and contributed to HIPAA-compliant health management system backend solutions. Implemented payment integrations and helped optimize front-end performance and accessibility.

Backend Developer at Tradegrid

March 1, 2023 - Present

Collaborated with cross-functional teams to design and develop scalable backend systems to support Tradegrid's retail operations. Led a comprehensive refactor of the codebase to version 2, aligning with new business requirements and significantly enhancing performance. Integrated third-party APIs for loan disbursement and account setup with external services, such as payment gateways and financial providers. Designed RESTful APIs to facilitate communication between the frontend application, mobile app, and backend services. Responded promptly to production incidents and outages, implementing corrective actions to restore service availability. Utilized: JavaScript, TypeScript, TSOA, TypeORM, Node.js.

Full-Stack Software Engineer at ByteX

December 31, 2024 - September 17, 2025

Frontend Developer at SpyderDev

December 31, 2024 - September 17, 2025

Developed backend systems using Python (Django) and Node.js; designed a HIPAA-compliant backend for a health management system, ensuring secure handling of sensitive data. Contributed to frontend work with React and TypeScript using RESTful patterns to deliver user-friendly interfaces.

Frontend Developer at DitoSell

December 31, 2022 - September 17, 2025

Developed a logistics dashboard using React.js and TypeScript, integrating Node.js APIs to enable real-time tracking and operational visibility for DitoSell's logistics platform. Translated complex business requirements into intuitive user interfaces, improving delivery efficiency. Implemented lazy loading, code splitting, and caching to enhance performance. Participated in team meetings and retrospectives to share insights and propose frontend improvements.