Layer one Blockchain Engineer at Global Settlement Network

Developed modifications to an Ethereum consensus mechanism to select validators and block proposals based on specific conditions. Worked with Besu, Geth, Solidity, EVM, Java, Linux, Git, Docker, AWS EC2, and custom dual consensus including QBFT and PoS/PoA. Developed and deployed smart contracts in Solidity for the custom blockchain. Configured genesis files and network settings, managed validator nodes in Docker to simulate realistic environments, and integrated the blockchain with JPMorgan’s Kinexus blockchain for interoperability and testing.

Blockchain / Distributed Systems Engineer at Andela (Crossroads Technologies)

Built and deployed multiple Solana blockchain smart contracts using Rust, implementing advanced token programs and seamless blockchain integrations. Contributed to distributed system architecture design leveraging Scala and Ruby for high-throughput workloads and maintainable backend systems. Focused on performance optimization, scalability, secure data validation, consensus mechanisms, and smart contract execution. Developed robust APIs for cross-service communication with Ruby used in service orchestration and backend logic. Integrated AWS cloud infrastructure for scalability and performance tuning and employed Agile methodologies.

Backend Engineer (Remote) at Gradientfi

Designed and implemented scalable MVC RESTful APIs using Node.js for high-performance web and mobile applications. Utilized MongoDB for database management with optimized queries and robust schema designs. Implemented advanced routing, dependency injection, and middleware pipelines to ensure application functionality. Collaborated in Agile teams for efficient project delivery and team coordination. Integrated third-party APIs for payment gateways, OAuth 2.0 authentication systems, and external data synchronization. Used Entity Framework Core for database interactions implementing code-first and database-first approaches. Ensured API security via JWT authentication, role-based access control, and data encryption techniques. Partnered with frontend teams to create seamless end-to-end solutions integrating APIs with React.js. Conducted rigorous unit and integration testing using Jest and Postman maintaining over 90% code coverage.

Back End / Blockchain Engineer at IOVLABS (now ROOTSTOCK)

Designed scalable backend systems for blockchain applications using microservices, Kafka, and RabbitMQ for event-driven communication. Developed and deployed smart contracts with Solidity and Rust, integrating services using Web3.js, Ethers.js, Anchor, and Cargo. Built and maintained REST APIs with Node.js and NestJS, optimizing transaction management for DeFi applications. Improved data redundancy and availability with distributed databases and caching for high transaction volumes. Integrated secure wallet features and contributed to decentralized identity solutions ensuring privacy and security. Implemented CI/CD pipelines with Mia-Platform and ensured robust systems through comprehensive testing with Jest.

Software Engineer at GetCoins

Designed, developed, and maintained web and mobile applications using Ionic, Angular, and Node.js (Express) to deliver seamless user experiences. Collaborated closely with cross-functional teams to prioritize features and resolve technical issues ensuring on-time delivery of high-quality products. Implemented robust security measures to safeguard applications against vulnerabilities, enhancing overall system reliability and user trust. Optimized performance and scalability by identifying bottlenecks and employing industry best practices. Conducted thorough code reviews to maintain consistent coding standards and promote knowledge sharing within the development team. Integrated RESTful APIs for seamless backend communication leveraging Node.js (Express) for server-side logic and database interaction. Documented technical designs and processes creating clear and reusable resources for future development and onboarding. Engaged in continuous testing and debugging to ensure application fun

Backend developer at Nugi Technologies Ltd / tatspace

Developed backend using ASP.NET Framework for course purchasing and enrollment functionality on Edutech platform. Implemented features for users to track learning progress and interact with teachers in real time. Designed and optimized database structures with ADO.NET and SQL Server. Integrated secure payment gateways including Stripe, Paystack, and PayPal. Built admin modules for reviewing and approving teacher-created courses ensuring content quality and compliance. Designed and implemented backend for Tailor Gang using Node.js (Express) including photo processing and measurement extraction. Leveraged Python OpenCV to analyze uploaded photos for accurate user measurements. Developed algorithms to match users with best tailors based on predefined criteria and optimized data storage using MongoDB. Created APIs for seamless integration with mobile app interface. Contributed to development of a blockchain-based cryptocurrency wallet and token. Restructured and optimized blockchain data f

Software Intern at Replug

Developed mobile and web applications as Full-Stack Intern collaborating on frontend and backend systems. Participated in multiple prestigious hackathons including Google Hashcode, Google CodeJam, NASA Space Apps Challenge, Naija Hacks consistently achieving top 3 rankings in Nigeria. Worked with a diverse range of technologies and frameworks to develop functional and user-friendly applications. Gained hands-on experience in designing, implementing, and optimizing solutions for real-world challenges.

Layer One Blockchain Engineer at Global Settlement Network

As a Blockchain Software Engineer at Global Settlement Network, I worked on modifying an Ethereum consensus mechanism to select validators and block proposals based on specific conditions. I used tools such as Besu, Geth, Solidity, EVM, Java, Linux, Git, Docker, and AWS EC2. I modified Hyperledger Besu to support a custom dual consensus and developed smart contracts in Solidity for deployment on our own blockchain. I wrote and configured genesis files and network configurations for blockchain testnets, managed multiple validator nodes in Docker, and deployed the custom blockchain network to AWS EC2. I integrated the blockchain with JPMorgan's Kinexus blockchain for interoperability and testing, and contributed to an enterprise-grade blockchain infrastructure.

Blockchain / Distributed Systems Engineer at Andela (Crossroads Technologies)

At Andela, I built and deployed multiple Solana blockchain smart contracts using Rust focused on advanced token programs and seamless blockchain integrations to support decentralized applications. I contributed to distributed system architecture design leveraging Scala and Ruby to develop protocols and integrate solutions for high-throughput workloads and maintainable backend systems. I focused on performance optimization and scalability of blockchain-based systems ensuring secure and efficient handling of data validation, consensus mechanisms, and smart contract execution. I developed robust APIs for inter-service communication enabling cross-application integrations to support scalable data pipelines, with Ruby used in service orchestration and backend logic. I integrated AWS cloud infrastructure for scalability and performance tuning, employing Git and Agile methodologies for streamlined project development. Specialized in Rust-based programming for developing blockchain application

Backend engineer (Remote) at GradientFi

At GradientFi, a blockchain-based fintech startup, I designed and implemented scalable MVC RESTful APIs using Node.js to support high-performance web and mobile applications. I utilized MongoDB for database management optimizing query performance and implementing robust database schemas. I implemented advanced routing, dependency injection, and middleware pipelines to ensure application functionality. Collaborated in Agile teams for efficient project delivery and team coordination. Integrated third-party APIs for payment gateways, authentication systems (OAuth 2.0), and external data synchronization. Utilized Entity Framework Core for database interactions implementing code-first and database-first approaches for efficient schema management. Ensured API security by implementing JWT authentication, role-based access control, and data encryption techniques. Collaborated with front-end teams to create seamless end-to-end solutions integrating APIs with React.js. Conducted rigorous unit an

Back End / Blockchain Engineer at IOVLABS

Worked on IOvLabs (now Rootstock), a Bitcoin sidechain allowing users to deploy and interact with smart contracts and dApps. Designed scalable backend systems for blockchain applications using microservices, Kafka, and RabbitMQ for event-driven communication. Developed and deployed smart contracts with Solidity and Rust, integrating services using Web3.js, Ethers.js, Anchor, and Cargo. Built and maintained REST APIs with Node.js and NestJS optimizing transaction management for DeFi applications. Enhanced data redundancy and availability with distributed databases and caching solutions for high transaction volumes. Integrated secure wallet features and contributed to decentralized identity solutions for privacy and security. Implemented CI/CD pipelines and ensured robust systems through comprehensive testing with Jest.

Software Engineer at GetCoins

Developed applications enabling customers to buy Bitcoin, Ethereum, and other cryptocurrencies instantly with fiat and also withdraw as fiat at GetCoins ATM locations. Designed, developed, and maintained web and mobile applications using Ionic, Angular, and Node.js (Express) to deliver seamless user experiences. Collaborated closely with cross-functional teams to prioritize features and resolve technical issues ensuring on-time high-quality product delivery. Implemented robust security measures safeguarding applications against potential vulnerabilities enhancing overall system reliability and user trust. Optimized performance and scalability of applications identifying bottlenecks and employing industry best practices for code and architecture. Conducted thorough code reviews to maintain consistent coding standards and promote knowledge sharing across the development team. Integrated RESTful APIs for seamless backend communication leveraging Node.js (Express) to manage server-side log

Backend developer at Nugi Technologies Ltd / Tatspace

Developed backend software enabling business operations and assisting clients in innovative product development. Developed Edutech platform backend using ASP.NET Framework enabling course purchasing and enrollment functionalities. Implemented features allowing users to track learning progress and interact with teachers in real time. Designed and optimized database structures with ADO.NET and SQL Server for efficient user and course management. Integrated multiple secure payment gateways like Stripe, Paystack, and PayPal for seamless online transactions. Built an admin module for reviewing and approving teacher-created courses ensuring content quality and compliance. Designed and implemented backend system using Node.js (Express) for photo processing and measurement extraction leveraging Python OpenCV to analyze uploaded photos for accurate user measurements. Developed algorithms to match users with best tailors based on predefined criteria. Optimized data storage and retrieval using Mo

Software Intern at Replug

Developed mobile and web applications as a Full-Stack Intern collaborating on both frontend and backend systems. Participated in multiple prestigious hackathons such as Google Hashcode, Google CodeJam, NASA Space Apps Challenge, and Naija Hacks consistently achieving top 3 rankings in Nigeria. Worked with diverse technologies and frameworks to develop functional and user-friendly applications. Gained hands-on experience in designing, implementing, and optimizing solutions for real-world challenges.

Layer one Blockchain Engineer at Global Settlement Network

As a Blockchain Software Engineer at Global Settlement Network, I worked on modifying an Ethereum consensus mechanism to enable validator and block proposal selection based on custom conditions. I used tools including Besu, Geth, Solidity, EVM, Java, Linux, Git, Docker, AWS EC2, and implemented a custom dual consensus on Hyperledger Besu. I developed smart contracts in Solidity for deployment on our own blockchain, wrote and configured genesis files and network configs for the testnet, managed multiple validator nodes in Docker, and integrated the blockchain with JPMorgan’s Kinexus blockchain for interoperability and testing. I contributed to building a bespoke enterprise-grade blockchain infrastructure.

Blockchain / Distributed Systems Engineer at Andela (Crossroads Technologies)

Built and deployed multiple Solana blockchain smart contracts using Rust, focusing on advanced token programs and seamless blockchain integrations for decentralized applications. Contributed to distributed system architecture design leveraging Scala and Ruby to develop protocols and integrate solutions for high-throughput workloads and maintainable backend systems. Focused on performance optimization and scalability of blockchain-based systems, ensuring secure and efficient handling of data validation, consensus mechanisms, and smart contract execution. Developed robust APIs for inter-service communication enabling cross-application integrations to support scalable data pipelines, with Ruby used in service orchestration and backend logic. Integrated AWS cloud infrastructure for scalability and performance tuning, utilizing Git and Agile methodologies for streamlined project development. Specialized in Rust-based programming for developing reliable and high-performance blockchain applic

Backend Engineer (Remote) at GradientFi

Designed and implemented scalable MVC RESTful APIs using Node.js to support high-performance web and mobile applications. Utilized MongoDB for database management, optimizing query performance and implementing robust database schemas. Implemented advanced routing, dependency injection, and middleware pipelines to ensure application functionality. Collaborated in Agile teams for efficient project delivery and team coordination. Integrated third-party APIs for payment gateways, authentication systems (OAuth 2.0), and external data synchronization. Utilized Entity Framework Core for database interactions, implementing code-first and database-first approaches for efficient schema management. Ensured API security by implementing JWT authentication, role-based access control, and data encryption techniques. Collaborated with front-end teams to create seamless end-to-end solutions integrating APIs with React.js. Conducted rigorous unit and integration testing using Jest and Postman, maintaini

Back End / Blockchain Engineer at IOVLABS (now ROOTSTOCK)

Designed scalable backend systems for blockchain applications using microservices, Kafka, and RabbitMQ for event-driven communication. Developed and deployed smart contracts with Solidity and Rust, integrating services using Web3.js, Ethers.js, Anchor, and Cargo. Built and maintained REST APIs with Node.js and NestJS, optimizing transaction management for DeFi applications. Enhanced data redundancy and availability with distributed databases and caching solutions for high transaction volumes. Integrated secure wallet features and contributed to decentralized identity solutions for privacy and security. Implemented CI/CD pipelines with Mia-Platform and ensured robust systems through comprehensive testing with Jest.

Software Engineer at GetCoins

Designed, developed, and maintained web and mobile applications using Ionic, Angular, and Node.js (Express) to deliver seamless user experiences. Collaborated closely with cross-functional teams to prioritize features and resolve technical issues, ensuring on-time delivery of high-quality products. Implemented robust security measures safeguarding applications against potential vulnerabilities, enhancing overall system reliability and user trust. Optimized performance and scalability of applications by identifying bottlenecks and employing industry best practices for code and architecture. Conducted thorough code reviews to maintain consistent coding standards and promote knowledge sharing across the development team. Integrated RESTful APIs for seamless backend communication leveraging Node.js (Express) to manage server-side logic and database interactions. Documented technical designs and processes, creating clear and reusable resources for future development and onboarding. Engaged

Backend Developer at Nugi Technologies Ltd / tatspace

Developed the backend using ASP.NET Framework to enable course purchasing and enrollment functionality. Implemented features to allow users to track learning progress and interact with teachers in real-time. Designed and optimized database structures with ADO.NET and SQL Server for efficient user and course management. Integrated multiple secure payment gateways like Stripe, Paystack, and PayPal for seamless online transactions. Built an admin module for reviewing and approving teacher-created courses before they go live, ensuring content quality and compliance. Designed and implemented a backend system using Node.js (Express) for photo processing and measurement extraction. Leveraged Python OpenCV to analyze uploaded photos for accurate user measurements. Developed algorithms to match users with the best tailors based on predefined criteria. Optimized data storage and retrieval using MongoDB, ensuring quick and efficient access. Created APIs for seamless integration with the mobile ap

Software Intern at Replug

Developed mobile and web applications as a Full-Stack Intern, collaborating on both frontend and backend systems. Participated in multiple prestigious hackathons including Google Hash Code, Google CodeJam, NASA Space Apps Challenge, and Naija Hacks, consistently achieving top 3 rankings in Nigeria. Worked with a diverse range of technologies and frameworks to develop functional and user-friendly applications. Gained hands-on experience designing, implementing, and optimizing solutions for real-world challenges.

Distributed Systems Engineer at Peerpay

Architected distributed backend infrastructure for enterprise blockchain systems using Hyperledger Fabric. Built scalable backend services in Rust, TypeScript, and Go for transaction processing, identity validation, and asset management, improving deployment reliability and operational scalability.

AI/LLM Engineer at Turing

Developed backend tooling and automation systems focused on optimizing Rust-based high-performance infrastructure, including scalable AI processing pipelines that integrate OpenAI APIs and enhance backend efficiency.

Backend/Blockchain Engineer at Global Settlement Network

Built secure backend systems for transaction processing and blockchain client integrations, enhancing reliability and scalability of Ethereum-based financial infrastructure.

Rust/Blockchain Engineer at Crossroads Technologies (Andela)

Developed high-performance backend services and blockchain infrastructure using Rust, optimizing transaction-processing systems for GameFi infrastructure.

Backend Engineer at GradientFi

Scaled backend APIs processing over 10k daily stablecoin transactions, designed wallet management systems, and improved API performance through optimized database queries.

Backend / Blockchain Engineer at Taringa

Developed backend infrastructure supporting smart contract deployments and blockchain automation, collaborating with teams on scalable infrastructure delivery.

Backend Engineer at Olympus DAO

Developed backend integrations supporting DeFi infrastructure and wallet connectivity, enhancing decentralized infrastructure performance.