Johannesburg: Senior Back End Developer – SQL – Edenvale

Senior Back End Developer Position Area: RandPark Ridge K6-8 years Back End Developing experience At least 3 years in Senior position Hybrid 2 years Docker/Kubernetes experience 5 years developing APO’s for FE Development 3 years Agile/scrum framework 5 years SQL We are seeking a highly skilled Senior Back-End Developer with strong SQL expertise to design, develop, and maintain robust back-end systems. The successful candidate will play a key role in system architecture, database optimisation, and mentoring junior developers while working closely with cross-functional teams. Key Responsibilities Design, develop, and maintain scalable back-end applications Develop and optimise complex SQL queries, stored procedures, and database schemas Ensure data integrity, performance, and security across systems Integrate front-end elements with server-side logic Participate in system architecture and technical decision-making Troubleshoot, debug, and resolve application issues Conduct code reviews and enforce best development practices Mentor junior and mid-level developers Collaborate with business analysts, product owners, and QA teams Minimum Requirements Bachelor’s degree in Computer Science, IT, or related field (or equivalent experience) 5 years’ experience in back-end development Advanced proficiency in SQL (MS SQL / MySQL / PostgreSQL) Strong experience with back-end languages such as C#, Java, Python, or PHP Experience working with APIs (RESTful services) Solid understanding of database design, indexing, and performance tuning Experience with version control systems (Git) Strong problem-solving and analytical skills Advantageous Skills Experience with cloud platforms (AWS, Azure, or similar) Knowledge of microservices architecture Experience in Agile / Scrum environments Exposure to DevOps and CI/CD pipelines Competencies Strong attention to detail Excellent communication and teamwork skills Ability to work independently and manage multiple priorities Leadership and mentoring capability