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SQL Developer

Cape Town, Western Cape · Information Technology
We are seeking a highly skilled and experienced SQL Developer to join our data-driven team. The ideal candidate will have a strong background in SQL development, with expertise in designing, developing, and maintaining database solutions. As an SQL Developer, you will play a key role in optimizing database performance, writing complex queries, and ensuring data integrity. You should be passionate about writing clean, maintainable code and have a deep understanding of modern database practices.

Key Responsibilities:
  • Design, develop, and maintain robust, scalable, and high-performance SQL-based database solutions.
  • Collaborate with cross-functional teams to define, design, and ship new features.
  • Write reusable, testable, and efficient code.
  • Optimize database performance through indexing, partitioning, and query optimization.
  • Implement security and data protection measures.
  • Troubleshoot and debug database issues to resolve problems.
  • Mentor and guide junior developers, providing technical leadership and code reviews.
  • Stay up-to-date with emerging technologies and industry trends to ensure our solutions remain cutting-edge.
  • Participate in Agile/Scrum processes, including sprint planning, stand-ups, and retrospectives.

Required Skills and Technologies:
  • Proficiency in SQL: Extensive experience with SQL programming and database management systems (e.g., MySQL, PostgreSQL, SQL Server).
  • Database Management: Strong understanding of relational databases and database design principles.
  • Data Modeling: Expertise in data modeling and entity-relationship diagrams (ERDs).
  • APIs and Web Services: Experience with RESTful APIs and integrating web services.
  • Version Control: Strong experience with Git and collaborative development workflows (e.g., GitFlow).
  • Testing: Proficient in writing unit tests, integration tests, and using testing frameworks (e.g., SQLUnit).
  • Security Best Practices: Understanding of secure coding practices and common vulnerabilities (e.g., OWASP Top 10).

Preferred Skills:
  • Experience with front-end frameworks (e.g., React, Angular, Vue.js) for full-stack development.
  • Familiarity with message brokers (e.g., RabbitMQ, Kafka) and event-driven architectures.
  • Knowledge of containerization and orchestration tools (e.g., Docker, Kubernetes).
  • Experience with serverless computing (e.g., AWS Lambda, Google Cloud Functions).
  • Understanding of GraphQL and its implementation in database applications.

Qualifications:
  • Education: Bachelor’s or Master’s degree in Computer Science, Software Engineering, or a related field.
  • Experience: 5+ years of professional experience in SQL development, with at least 2 years in a senior or lead role.
  • Certifications (Optional): Relevant certifications such as:
    • Oracle Certified Professional: SQL Developer
    • Microsoft Certified: Azure Data Engineer Associate
    • AWS Certified Database - Specialty
    • Google Professional Data Engineer

Soft Skills:
  • Strong problem-solving and analytical skills.
  • Excellent communication and collaboration abilities.
  • Ability to work independently and as part of a team.
  • Leadership skills with a focus on mentoring and guiding junior developers.
  • Adaptability to changing project requirements and technologies.

 

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