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Tobi Arowosegbe

@tobiarowosegbe

Senior Full-Stack Developer at PayVessel, building transaction systems for real-time financial data and scalable payment APIs.

Nigeria

Message

At PayVessel, I design and maintain backend-driven financial systems and APIs, including transaction systems that handle real-time financial data. I also develop REST APIs for payment processing and reporting dashboards, improving performance and reliability under production load.

Across my work, I’ve built and maintained 200+ production systems and platforms, including fintech and API-driven applications. I work with Node.js, TypeScript, and microservices, and deliver systems ranging from backend integrations to dashboards.

Experience

Work history, roles, and key accomplishments

Current

Senior Full-Stack Developer

Current

PayVessel

Jan 2025 - Present (1 year 9 months)

Designed and maintained backend-driven financial systems and APIs, built and optimized transaction-based systems handling real-time financial data, and led feature delivery from requirement analysis to deployment.

NodeJS TypeScript REST APIs Microservices MySQL PostgreSQL MongoDB AWS Docker CI CD Git Jira Performance Optimization

Current

Full-Stack Developer / Systems Engineer

Current

Atlantic Exhibition Nigeria Ltd

Jan 2024 - Present (2 years 9 months)

Architected and maintained API-driven business platforms and integrations, designed backend logic and database systems for operational workflows, and ensured system uptime, reliability, and scalability.

API Integration Database Design Performance Optimization System Architecture NodeJS TypeScript

Current

Full-Stack Developer

Current

MSORG Developers

Jan 2024 - Present (2 years 9 months)

Developed backend-integrated applications and dashboards, designed APIs and structured data systems for client applications, and delivered scalable systems across multiple projects.

API Design DataBase Systems NodeJS TypeScript Scalable Systems

Current

Freelance Senior Full-Stack Developer

Current

Self Employed

Jan 2018 - Present (8 years 9 months)

Delivered end-to-end systems including APIs, dashboards, and integrations, built admin systems, authentication flows, and scalable applications, and worked with international clients on production systems.

API Development Dashboard Development Authentication Scalable Applications International Collaboration

Full-Stack Developer

Kyivstar

Jan 2022 - Dec 2023 (1 year 11 months)

Built scalable web applications and integrated backend APIs, improved application performance and system efficiency, and collaborated with distributed teams delivering production features.

NodeJS TypeScript REST APIs Web Development Performance Optimization Collaboration

Full-Stack / Systems Developer

Zocode Technologies

Jan 2019 - Dec 2022 (3 years 11 months)

Built and maintained 200+ production systems and platforms, developed backend integrations, plugins, and database-driven applications, and improved performance, reliability, and scalability across systems.

Backend Development API Integration Database Management Performance Optimization Scalability