Abasiodiong Udofia

Mentored 100+ junior developers in full-stack development, focusing on frontend, backend fundamentals, system design, and production readiness.

Guided mentees in building secure Node.js/TypeScript and Python APIs, implementing robust authentication, authorization, input validation, and error handling.

Reviewed codebases and architecture decisions, identifying and resolving bugs, stability issues, and security gaps to improve system integrity.

Supported learners in translating abstract real-world engineering problems into practical, implementable solutions.

Communicated complex technical concepts clearly to foster an effective remote, asynchronous learning environment.

Co-founded an AI-powered journalism assistant platform, implementing secure user management, OAuth authentication, and RAG-based AI workflows.

Led technical direction, enhancing backend architecture, API design, and platform reliability for a critical AI-driven application.

Built and maintained core services with Python, Flask, PostgreSQL, Redis, and vector search for efficient semantic document retrieval.

Implemented secure authentication flows, fine-grained role-based access, and AI-assisted features for journalists and editors.

Designed and implemented scalable marketplace APIs using TypeScript and Express, supporting high-volume transactions and user interactions.

Built real-time data streaming features with Firebase RTDB, ensuring immediate data availability and synchronization across the platform.

Optimized Firestore queries and caching strategies, significantly improving system performance and reliability.

Developed automated test suites with Jest, enhancing system stability and increasing regression coverage.

Integrated Flutterwave payment API and Cloudinary, implementing secure media handling and robust transaction validation.

Built an AI-powered role recommendation engine using LangChain and OpenAI, analyzing business challenges and sensitive inputs for strategic insights.

Designed a role-based pricing system for 22+ professional roles using PostgreSQL and pgvector, complete with access controls and data validation.

Implemented expert matching via semantic search and vector embeddings, improving secure talent recommendations.

Developed and maintained RESTful APIs with Flask for pricing, budget analysis, and market insights, supporting critical business functions.

Integrated Paystack payment gateway with secure payment flows, robust error handling, and fraud-aware safeguards.

Built automated onboarding/offboarding workflows, proposal generation, and content scheduling modules, streamlining operations.

Implemented API key management, rate limiting, and usage tracking using Redis to protect public-facing endpoints and ensure system integrity.

Designed containerized microservices architecture using Docker and Alembic, enabling safe deployments and migrations.

Built a healthcare platform using React.js and Node.js, featuring secure dashboards and protected routes for sensitive patient data.

Implemented subscription billing, role-based access, and payment integrations, streamlining revenue generation and user management.

Developed podcast and blog modules with authenticated content access, expanding platform functionality and user engagement.

Strengthened application security through improved authentication flows, rigorous input validation, and robust data protection measures.

Architected high-availability, event-driven payment systems, ensuring robust performance and reliability for critical financial transactions.

Designed and optimized PostgreSQL schemas using Prisma, incorporating indexing and sharding strategies for enhanced data management.

Integrated Paystack with robust error handling, retries, idempotency, and transaction verification, minimizing payment failures.

Led secure microservices deployments using Docker and AWS, ensuring scalable and reliable application delivery.

Implemented comprehensive monitoring, logging, and alerting systems to detect failures and suspicious activity promptly.

Mentored junior engineers and enforced backend reliability and security best practices, elevating team capabilities and code quality.

Led backend architecture and microservices design for a logistics and trading platform, ensuring scalability and robust performance.

Implemented secure authentication, authorization, and payment workflows, protecting sensitive user data and financial transactions.

Integrated monitoring and observability using AWS CloudWatch, enhancing system visibility and proactive issue resolution.

Authored comprehensive technical documentation and collaborated closely with product and operations teams, improving cross-functional alignment.

Developed a Telegram-based crypto trading bot integrated with Coinbase APIs, enabling automated trading functionalities.

Built an admin dashboard for token management and advertising controls, enhancing operational oversight.

Implemented real-time updates, robust access control, and secure transaction handling, ensuring data integrity and user safety.

Led backend engineering for a microservices-based e-commerce platform, ensuring scalable and resilient architecture.

Implemented CQRS patterns with RabbitMQ and Redis caching, significantly improving performance and data consistency.

Built robust CI/CD pipelines and enforced stringent coding, testing, and deployment standards, accelerating delivery cycles.

Improved system reliability, performance, and fault tolerance through strategic architectural enhancements.

Taught fundamental and advanced JavaScript concepts including ES6+, asynchronous programming, and DOM manipulation.

Mentored students and junior developers through hands-on projects, fostering practical application of learned skills.

Designed comprehensive assessments and facilitated collaborative learning sessions, enhancing student engagement and retention.

Contributed to the backend development of the Fundme crowdfunding platform, supporting core functionalities.

Built essential services for user registration, donations, and media uploads, ensuring smooth platform operations.

Improved performance and reliability of core backend workflows, enhancing user experience and system stability.