Bamidele Ayomide Precious

Lagos, Nigeria (Remote)

• •Develop and maintain core backend modules for the SolarCorp platform using NestJS, Redis and MongoDB, serving 5k+ users at 99.99% uptime.
• •Built daily and monthly active user counts, and unique click counts for the SolarCorp URL shortener, on Redis HyperLogLog, giving near-exact unique counts in fixed, minimal memory.
• •Implemented Docker containerisation and AWS deployment pipelines, with infrastructure provisioned as code using Terraform, cutting environment configuration errors and shortening the sprint-to-production cycle.
• •Integrated Circool AI (LangGraph) into the onboarding pipeline, achieving a 2x increase in product activation and reducing manual support tickets.

Ibadan, Nigeria (Remote)

• •Built a digital learning platform for AI and Robotics courses with a NestJS and MongoDB API and a Next.js web app, covering programmes, courses, cohorts, assessments and a community space.
• •Built resumable file uploads direct to AWS S3 (multipart, pre-signed URLs) with automatic retry on poor networks, resume after page reload and server-side verification of received parts, plus ClamAV malware scanning before any file is saved.
• •Integrated Agora WebRTC for live classes with screen sharing, an interactive whiteboard, in-class chat, raised hands, captions and attendance tracking.
• •Engineered poor-network handling for live classes: adaptive video quality driven by real-time network reports, audio prioritised over video, audio-only and low-resolution stream fallback, automatic reconnection and a data-saver mode.
• •For YardCode, an address-verification service, designed and shipped native iOS (Swift) and Android (Kotlin) SDKs that let third-party apps run real-time address validation, and grew adoption to 3k+ active users.
• •Architected a WhatsApp-integrated AI agent with Llama 3 and LangChain, automating customer engagement and increasing lead conversion by 300%.

Abuja, Nigeria (Remote)

• •Designed, built and deployed custom backend architectures, and the web and mobile apps on top of them, for 10+ client organisations, from data model and API design through deployment.
• •De Cloud23 Technology Limited (contract, February 2025 - January 2026): built and maintained ASP.NET (C#) backend services and APIs for the Games4Africa and Zheeta platforms, refactored legacy codebases into modular architectures, and monitored the services with Prometheus and Grafana dashboards.

Abuja, Nigeria (Remote)

• •Built the registration, examination and certification workflows of the Teachers Registration Council of Nigeria (TRCN) portal, with 50k+ users, and improved its mobile performance by 40%.