Oluwafikayo Sanni
Backend Engineer
Oluwafikayo is a Senior Fullstack (BE-Heavy) Engineer who has been professionally building Web APIs and Applications for over eight years with expertise in creating lean and scalable microservices and applications on which your company/client's infrastructure can perform. His interests and experience spans blockchain technology, cryptocurrency, artificial intelligence, design methods, containerization, serverless Microservices, Fintech, and Social Commerce. He holds a Master's Degree focused on Software Engineering & Machine Learning.
Careers
Senior Backend Engineer
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- Real-time data synchronization via Kafka for efficient system operation
- Logistics services integration with vendors like Yallow, Careem, OTO Logistics, Barq Fleet, Torod, 4ULogistics
- Collaborative POS systems integration for merchant inventories from sources like Foodics and Deliverect in the Middle Eastern Market
- Event-based microservices development for PayFort, checkout.com, and tap-in integrations
- Streamlining order and logistics integrations to enhance operational efficiency
- Implementation of an efficient asynchronous event notification service to reduce system downtime
- Increased productivity and prompt issue resolution with timely alerts to stakeholders
Lead Backend Engineer
ETranzact Global
- Created successful VAT platform, remitting millions for efficient and accurate collection
- Implemented robust fraud detection and anti-money laundering system, leveraging advanced technologies
- Built loan system with automatic repayments, streamlining lending and reducing delinquency risk
- Designed scalable back-end architectures with Docker and Kubernetes for optimal performance
- Developed secure feeless wallet systems, prioritizing user security for financial inclusivity
- Connected Rwanda's payment switch to larger African switch, fostering collaboration across borders
- Created secure multiparty linking service with encryption
- Integrated user verification and tax collection services, streamlining processes and reducing administrative burdens
Backend Engineer
Startupia Limited
- Worked on a peer-to-peer crypto exchange platform with bidding and in-app escrow for secure funds exchange.
- Integrated Mainnets (BTC, EOS, ERC20, TRC10) using Infura, bitcoin.io, blockchain.com, and Tron network for crypto inflows/outflows.
- Developed off-chain wallet system for instant, feeless money transfers among app users, improving usability.
- Created EOS Mainnet decentralized app in C++, wrote intelligent contracts compiled to WASM for on-chain operations.
- Developed Ethereum smart contracts in Solidity with light footprints for efficient resource use.
- Wrote delegated proof of stake (DPOS) protocols in smart contracts for token operations.
- Demonstrated effective communication and collaboration in multidisciplinary teams, fostering cohesion.
Education
University of Ibadan
Software Engineering and Data Science
University of Ibadan
Computer Science
My projects
XCel as a Service
No image available
Developed a core banking framework for startups, integrating with Railsbank and Switchit Global. Implemented robust systems for loans, fraud detection, bill payments, and spending limits. Managed end-to-end card issuance, transactions and HMRC integration
Role: Project Lead
Completed: 11/2023
Live project: https://documenter.getpostman.com/view/24495425/2s93RZL9Gt
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