jhhornn@portfolio:~/experience
jhhornn@portfolio:~$ cat experience.log

Backend Engineer

OCTOSOFT TECHNOLOGIES
Full-time
Nov 2024 - PresentLagos, Nigeria
  • Engineered and optimized critical features for Octohealth ERP system, enhancing HMO-provider operations across care authorization, pharmacy management, claims processing, underwriting, and statement generation
  • Developed AI-powered Tariff Mapper tool that reduced tariff plan mapping to CPT codes from 3-5 days to under 5 minutes, achieving 99%+ time reduction and dramatically improving billing accuracy
  • Resolved 15+ legacy code bugs and performance bottlenecks, improving system stability by 40% and reducing API response times
  • Streamlined healthcare workflows serving 10,000+ patients monthly through systematic debugging and feature enhancement
Node.jsAI/MLHealthcare SystemsAPI Development

Backend Developer

SYNCURVEHOME
Contract
Jun 2024 - Dec 2024Remote
  • Architected and deployed 10+ RESTful APIs for property listing platform using TypeScript, NestJS, Prisma ORM, and MySQL, handling 1,000+ daily requests
  • Implemented Redis caching strategy that reduced database load by 60% and improved API response times from 800ms to 200ms
  • Configured AWS S3 integration for scalable media storage, managing 500+ property images with 99.9% uptime
  • Containerized application using Docker, achieving consistent deployment across development, staging, and production environments
  • Maintained 100% API documentation coverage using SwaggerUI, enabling seamless frontend integration
TypeScriptNestJSPrismaMySQLRedisDockerAWS S3

Backend Developer Intern

GLADEFINANCE
Internship
Jun 2023 - Sept 2023Remote
  • Executed seamless migration of 40% of codebase from Lumen to Laravel framework, improving maintainability and enabling advanced features
  • Resolved 24 critical bugs across 4 core APIs using Postman testing, increasing system reliability by 35%
  • Optimized 10+ raw SQL queries for MySQL database, reducing query execution time by 50%
  • Delivered daily progress reports to product manager and comprehensive weekly summaries to team lead, ensuring 100% transparency and code quality
PHPLaravelMySQLPostmanAPI Testing

Backend Contributor

ALTCAMP
Open Source
Jun 2023 - Sept 2023Remote
  • Implemented secure forgot/reset password feature using email verification codes, enhancing authentication security for 500+ platform users
  • Championed Test-Driven Development (TDD) by writing comprehensive Jest test suites, achieving 85% code coverage
  • Documented 100% of API endpoints using YAML for Swagger UI integration, improving developer onboarding time by 60%
  • Introduced pre-commit hooks to enforce coding standards, reducing code review cycles by 40%
Node.jsJestTDDSwaggerGit Hooks

$Total Experience: 1.5+ years

$Companies Worked: 4