Bolaji Yusuf

Managed the transition from outsourced to in-house engineering, leading a 27-person team to increase feature throughput by 50% and launch a successful MVP.

• Successfully transitioned the company from an outsourced model to a 27-person in-house team, increasing feature throughput by 50% and strengthening team ownership.
• Led the launch of an MVP, including AI Resume Builder and Interview Copilot, in under 8 weeks, growing the user base from 1,000 to over 12,000 in the first month.
• Established foundational engineering culture, documentation, and review processes, implementing CI/CD and Agile rituals to improve code quality and streamline deployments.
• Partnered with product leadership to prioritize high-impact features, reducing backlog by aligning the roadmap with strategic business objectives.

Founded and scaled a B2B engineering firm, delivering cloud-native solutions and launching two enterprise products within six months, which generated over $70,000 in revenue.

• Led the founding and scaling of a B2B engineering firm, launching two enterprise products within six months and generating over $70,000 in revenue.
• Architected and implemented robust cloud infrastructure for monolithic and microservices systems across five client projects, reducing hosting costs by 40% and ensuring 100% uptime.
• Recruited, developed, and led a fully remote team of 30+ engineers across three African countries, improving delivery velocity by 40% through a pod-based structure.
• Designed and optimized the hiring pipeline, successfully placing 10+ engineers (backend, frontend, DevOps) with a 100% retention rate for a fast-growing client.

Directed backend, frontend, and infrastructure teams to deliver a robust DeFi platform, ensuring high-traffic performance and alignment with business objectives.

• Directed cross-functional teams (backend, frontend, infrastructure) to deliver a robust DeFi platform, meeting high-traffic performance and business objectives.
• Developed secure smart contracts for escrow transactions using Solidity and Chainlink, integrating ERC-20 token standards and Uniswap API for seamless swaps.
• Architected a scalable platform for crypto-to-fiat conversions, including a virtual card solution, ensuring high performance and secure tokenization.

Engineered and deployed high-capacity blockchain solutions on AWS, significantly improving transaction throughput and reducing infrastructure costs.

• Developed ERC-20 and TRC-20 wallet functionalities using Ether.js, TronWeb, and Solidity, deploying a high-capacity Bitcoin SPV node on AWS handling 25,000 transactions and 5,000 wallet requests per minute.
• Implemented a Lightning Network node, increasing transaction throughput by 10x and contributing to over N800 million in transaction volume.
• Migrated hosting to AWS Fargate with automated deployments, reducing downtime by 80% and cutting infrastructure costs by 50%.
• Deployed comprehensive monitoring with Prometheus and Grafana, while enhancing security using AWS Macie, Trusted Advisor, and WAF.

Led a backend engineering team to design and build a scalable API, improving user experience and orchestrating a significant cloud migration to AWS.

• Led a team of backend engineers in designing and building a scalable API, significantly reducing response times and enhancing user experience for logistics customers.
• Orchestrated a complex migration from Heroku to AWS (ECS, ELB, RDS, S3, CloudFront, Route 53), boosting performance and security while reducing operational costs.
• Collaborated cross-functionally with frontend and mobile teams to ensure seamless integration, delivering a consistent customer experience across all platforms.
• Implemented comprehensive security measures, including audit logging and encryption, and disaster recovery plans, cutting downtime by 50% and accelerating feature releases.

Developed and optimized a high-availability search engine and an AWS Lambda-based image processing pipeline, significantly improving user engagement and system performance.

• Developed a high-availability search engine using Elasticsearch with auto-complete, fuzzy search, and geo-based filtering, enhancing property search accuracy and speed.
• Optimized server load with Redis caching and built an AWS Lambda-based image processing pipeline, improving response times for property photos.
• Delivered real-time updates via WebSocket and Firebase Cloud Messaging, increasing user engagement by 40%, and integrated Paystack for secure payments.
• Designed and implemented robust CI/CD pipelines using AWS CodePipeline and Docker, streamlining build, test, and deployment processes.

Designed and managed a microservices infrastructure on AWS using Terraform, enhancing performance and scalability for financial applications serving over 1,000 customers.

• Designed and managed a microservices infrastructure with Terraform, migrating applications from Heroku to AWS to enhance performance and scalability for 1,000+ financial customers.
• Implemented Redis caching and maintained system reliability by resolving critical alerts and adhering to strict DevSecOps standards, safeguarding sensitive financial data.
• Built and maintained CI/CD pipelines with Travis CI, enabling continuous integration and faster release cycles, and conducted cost evaluations to optimize cloud spend.

Developed core features for an educational platform using Node.js, Express.js, and Cloudinary, implementing robust security and data protection measures.

• Developed key features for tutors to create classes, share materials, and interact with students using Node.js, Express.js, and Cloudinary.
• Implemented robust security and data protection measures, designing a MongoDB database to organize and deliver account-specific data securely.
• Built the account creation API and established caching mechanisms to support real-time and historical datasets effectively.

Developed a content management system and facilitated backend development sessions for 50-150 students, ensuring consistent learning outcomes.

• Developed a content management system enabling students to create accounts and access video/PDF resources using Node.js, Express.js, Redis, AWS S3, and MongoDB.
• Facilitated backend development sessions for 50-150 students, providing support and creating grading rubrics and syllabi to ensure consistent learning outcomes.