Senior SQL Developer (JHB)
Senior SQL Developer (JHB) chez Apply Now à South Africa.
Senior Back End Developer - SQL - Edenvale | Job Mail
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Senior Back End Developer - SQL - Edenvale
WMS Secure
Saturday, 16 May 2026
1
IT/Computer - Other IT/Computer
Johannesburg
FULL TIME
R50,00 - R95,00 (PER MONTH)
Job Specification
Company
Reference Number
Job Summary
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
WMS Secure
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Country : Afrique du Sud
Contract Type : Permanent Contract
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Technical proficiency — Apply Now expects hands-on mastery of Python, SQL. Don't just list them: describe a concrete project where you used them and the outcome delivered.
Multinational — These companies use structured behavioral assessments (STAR method). Prepare 5-6 concrete professional situation examples you can adapt. Demonstrating cultural adaptability is highly valued.
Measurable achievements — At this level, back every skill with a precise example and a quantified result. Prepare 2-3 strategic questions about this organization's current challenges — candidates who anticipate difficulties are consistently rated higher.
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