David Adebayo-Software Engineer | AI Trainer | Python Developer
Check rate
Experience
AI Trainer
Mindrift
- Evaluated AI-generated responses across programming, business, and general knowledge domains using structured evaluation guidelines.
- Compared and ranked multiple LLM responses for factual accuracy, reasoning quality, and instruction adherence.
- Annotated datasets and produced concise evaluation rationales to improve model quality.
- Identified hallucinations, inconsistencies, and edge cases while maintaining high annotation accuracy.
- Worked with detailed annotation standards to support AI model training and continuous improvement.
AI Dataset Validator
Aligner
- Built a Python utility to validate annotated datasets and generate quality reports.
- Automated dataset consistency checks and formatting.
Software Engineer
TechNova Solutions
- Developed backend services using Python and Flask.
- Designed REST APIs supporting web and mobile applications.
- Optimized SQL queries, reducing report generation time by 35%.
- Implemented authentication and role-based access control.
- Collaborated with QA and product teams to deliver production-ready features.
Junior Software Engineer
Innovate Systems Ltd
- Built Java applications supporting internal business processes.
- Developed SQL stored procedures and database reports.
- Integrated third-party APIs into enterprise applications.
- Wrote unit tests and resolved production defects.
- Participated in Agile sprint planning and code reviews.
Software Engineering Intern
Digital Labs
- Assisted in developing backend features using Python and Java.
- Built SQL queries for business reporting.
- Debugged software defects and improved application performance.
- Supported API testing using Postman.
Inventory Management System
- Built a Python inventory platform using Flask and PostgreSQL.
- Developed REST APIs for stock management.
- Implemented authentication and reporting dashboards.
Student Management System
- Developed a Java application for managing student records.
- Designed normalized SQL databases.
- Created reporting modules and administrative dashboards.
Industry experience
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Experienced in Information Technology.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Information Technology, Quality Assurance, Product Development, Research and Development, and Business Intelligence.
Summary
Software Engineer with over four years of experience designing backend applications, developing APIs, and building data-driven solutions using Python, Java, and SQL. Experienced in AI model evaluation, data annotation, and Large Language Model (LLM) training through structured assessment, prompt evaluation, and quality assurance. Strong analytical thinker with experience developing scalable software solutions while improving AI model performance through high-quality evaluation and annotation.
Skills
Programming Languages
Python
Java
Sql
Backend
Flask
Fastapi
Spring Boot
Rest Apis
Databases
Postgresql
Mysql
Sqlite
Cloud & Tools
Git
Github
Docker
Aws
Linux
Postman
Ai
Ai Evaluation
Prompt Evaluation
Data Annotation
Llm Evaluation
Response Ranking
Rlhf
Ai Quality Assurance
Technical Tools
Python
Java
Sql
Flask
Spring Boot
Postgresql
Mysql
Git
Docker
Aws
Linux
Rest Apis
Postman
Languages
Education
University of Salford
MSC · Business Analytics and AI · Manchester, United Kingdom
University of Lagos
B.Sc. · Computer Science · Lagos, Nigeria
Certifications & licenses
Java Programming Fundamentals
Python for Everybody
SQL for Data Analysis
Statistics
Experience
Expertise
Qualifications
Profile
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Calculated based on our freelancers’ daily rates as of 21 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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