Alfred Onyia

Backend Developer with 3 years of hands-on experience building and maintaining backend systems using C#(ASP.NET Core) and Python (Django). Experienced in designing RESTful APIs, asynchronous task processing with Celery database design and optimization using SQL Server and PostgreSQL, and building data pipelines for real-world applications. Proven ability to take ownership of backend features end-to-end, collaborate in team environments, and deliver reliable, maintainable systems in production.

Comfortable working across the full backend lifecycle—from requirements and design to deployment, monitoring, and optimization

Backend Developer (Django) - HireHuub - London Area (Remote)

(2024-11)

• Built and maintained automated web scraping pipelines integrated with a Django backend, enabling real-time data collection and storage for analytics and reporting.
• Implemented asynchronous task processing using Celery, improving system throughput and ensuring stable handling of concurrent scraping tasks.
• Integrated Celery Beat for scheduling periodic scraping tasks, reducing manual intervention by 70% and ensuring consistent data updates.
• Optimized scraping workflows to handle large-scale datasets, improving extraction speed and minimizing downtime.
• Collaborated with backend engineers to design scalable data ingestion pipelines, ensuring clean and structured data flow into SQL databases for downstream use.
• Built data normalization and cleaning pipelines using Python and Pandas to improve dataset quality and consistency for internal assessments and testing
• Actively participated in backend decision-making around performance, reliability, and maintainability of data-driven systems.

Backend Developer (Asp.Net Core) - HNG - Remote

(2023-05 - 2024-02)

• Built and maintained RESTful API services using C# and ASP.NET Core to support frontend-backend communication.
• Collaborated within a cross-functional team to deliver real-world applications, contributing to backend architecture, implementation, and testing.
• Worked across the full development lifecycle, including API design, database integration, testing, and deployment.
• Optimized database interactions and API endpoints to ensure efficient and reliable performance.
• Gained experience working in fast-paced, delivery-focused development environments with production constraints.

Software Developer (Python & SQL) - NIIT Limited - Lagos State

(2021-03 - 2022-07)

• Developed Python-based projects and scripts to automate tasks and improve workflow efficiency.
• Designed and managed SQL databases, performing data extraction, manipulation, and reporting.
• Connected to public APIs to fetch data for an inventory management system, integrating external data with internal workflows.
• Designed and managed SQL Server databases using SQL Server Management Studio (SSMS), performing data extraction, manipulation, and reporting.
• Built Python solutions that interacted with SQL databases for data storage and retrieval, gaining hands-on backend experience.

Bachelor of Science - Computer Science - University of Benin (2018-01 - 2023-12)