chailock S.
Mid-Level Full-Stack Software Engineer
Open to offersNew to PlatformAbout
Chailock M. is a Full-Stack Software Engineer with over three years of experience creating scalable web applications within the technology and telecommunications sectors in South Africa. At Tshimologong Precinct, Chailock engineered full-stack solutions using Java, React, and Node.js, supporting operations for 50,000+ monthly users, optimizing APIs to cut response times by 30%, and implementing robust CI/CD pipelines on AWS and Azure. While at XTelekom, Chailock developed and maintained microservices with Spring Boot and MySQL, achieving a 98% on-time delivery rate across Agile sprints and leading the integration of third-party RESTful APIs for enhanced telecom feature delivery. Chailock holds a National Diploma in Software Development and multiple industry certifications, and is an active contributor to open source, technical blogs, and local developer meetups.
Experience
JUNIOR SOFTWARE DEVELOPER
Tshimologong Precinct · 2023 — 2024Designed and deployed full stack applications utilizing Java, React, Node.js, and PostgreSQL for over 50,000 monthly active users. Achieved a 30% reduction in API response times through query optimization and implemented Redis caching, leading to substantial infrastructure cost savings. Established test-driven development practices with JUnit and Jest, resulting in over 85% test coverage and a significant decrease in production bugs. Conducted code reviews for a team of five developers, while promoting clean code standards and halving onboarding time. Created compliant and responsive user interfaces with React and Tailwind CSS, enhancing user satisfaction scores from 72% to 94%. Implemented system monitoringSOFTWARE DEVELOPER
XTelekom · 2022 — 2023Developed and maintained microservices with Spring Boot and MySQL, ensuring 98% project delivery on time across 12 sprints. Integrated third-party RESTful APIs for payment and SMS gateways, resulting in a 35% improvement in feature delivery speed. Enhanced a legacy codebase by refactoring, which improved page load times by 25% through the use of lazy loading techniques and efficient algorithms. Achieved a 40% reduction in critical bug rates by implementing thorough debugging and automated regression testing. Participated daily in Agile ceremonies, contributing to an increase of 20% in team velocity.
Skills & Expertise
Education
- National Diploma in Software DevelopmentTshwane University of Technology · 2018 — 2021