Senior SQL Backend Engineer | Hybrid Role

Avatar Advisory; Johannesburg; Hybrid; ZAR 600,000 - 800,000; Full time

Job summary

Avatar Advisory in Johannesburg is looking for a highly skilled Senior Back-End Developer to design, develop, and maintain robust back-end systems. The ideal candidate will have over 5 years of back-end development experience, strong SQL expertise, and proficiency in languages like C#, Java, Python, or PHP.

Key responsibilities include developing scalable applications, integrating front-end elements, and mentoring junior developers. The role offers a hybrid work model and requires a Bachelor’s degree in a related field.

Qualifications

• 5 years of back-end development experience.
• Advanced proficiency in SQL (MS SQL / MySQL / PostgreSQL).
• Experience with APIs and cloud platforms.

Responsibilities

• Design, develop, and maintain scalable back-end applications.
• Develop and optimize complex SQL queries.
• Mentor junior and mid-level developers.

Skills

SQL expertise

Back-end development

C#, Java, Python, or PHP

API development (RESTful services)

Cloud platforms (AWS, Azure)

Education

Bachelor’s degree in Computer Science, IT, or related field

Tools

Docker

Kubernetes

Git

Job description

Avatar Advisory in Johannesburg is looking for a highly skilled Senior Back-End Developer to design, develop, and maintain robust back-end systems. The ideal candidate will have over 5 years of back-end development experience, strong SQL expertise, and proficiency in languages like C#, Java, Python, or PHP.

Key responsibilities include developing scalable applications, integrating front-end elements, and mentoring junior developers. The role offers a hybrid work model and requires a Bachelor’s degree in a related field.