Nompie Mthombeni Dube

Junior SQL Developer @ Technetium | Azure SQL, Data Entry

City of Johannesburg, Gauteng, South Africa

About

Certified IT Systems Support Specialist, Junior SQL Developer, and Aspiring Full-Stack Developer with expertise in cloud computing, database management, and web development. Skilled in Python, JavaScript, and SQL for automation, data analysis, and building dynamic web applications. Proven ability to bridge IT operations and development for end-to-end solutions.

Experience

  • Technetium (4 yrs 6 mos)
    • Junior SQL Developer
      Aug 2025 - Present · 11 mos

    • Information System Support Specialist
      Dec 2022 - Present · 3 yrs 7 mos

      IT Support Specialist Database & System Management: • Develop and optimize SQL queries (Transact-SQL) for data retrieval, reporting, and modifications (INSERT/ UPDATE/ DELETE). • Maintain barcode/ RFID systems and lead new client software deployments System Support & Deployment: • Lead new client deployments, ensuring seamless integration of software solutions. • Maintain barcode printing systems and RFID networks. User Support & Training: • Resolve 20+ daily technical issues, improving system uptime by 30%. • Design training materials and conduct sessions for 50+ users.

    • Information Technology Support Specialist
      2022 - Present · 4 yrs 6 mos

      Database & System Management: •Develop and optimize SQL queries (Transact-SQL) for data retrieval, reporting, and modifications (INSERT/​UPDATE/​DELETE). •Maintain barcode/​RFID systems and lead new client software deployments System Support & Deployment: •Lead new client deployments, ensuring seamless integration of software solutions. •Maintain barcode printing systems and RFID networks. User Support & Training: •Resolve 20+ daily technical issues, improving system uptime by 30%. •Design training materials and conduct sessions for 50+ users.

  • Data Analyst at Excelerate
    Sep 2025 - Oct 2025 · 2 mos

    Transform raw data into interactive dashboards that highlight key metrics and trends. Gain skills in visualization, analysis, and communication to support data-driven decision-making.

  • AWS Re/Start Program at Africa Women Innovation & Entrepreneurship Forum (AWIEF)
    May 2022 - Jul 2022 · 3 mos

    build Linux, Python, networking, security, database, automation, and core AWS Cloud skills.

  • FTTH field technician at THOBELA COMMUNICATION
    Feb 2017 - Oct 2021 · 4 yrs 9 mos

    Install, troubleshoot, and maintain fiber optic systems. May create sensors and perform optical inspections. Measure signal strength to ensure adequate performance. Run fiber optic cables underground or underwater, and perform premises cabling.

  • Technician at Openserve
    Feb 2017 - Oct 2021 · 4 yrs 9 mos

    Network Deployment: •Installed underground/​underfloor fibre optic cabling for 100+ residential/​business clients. •Reduced fault resolution time by 25% through proactive diagnostics Client Engagement: •Delivered tailored solutions, achieving 95% customer satisfaction.