Sql Developer

Ntice Sourcing Solutions; Gauteng; Remote; ZAR 600 000 - 800 000; Full time

Job summary

A technology solutions firm in Gauteng is seeking a SQL Developer with NoSQL experience. This role involves architecting high-performance database solutions and optimizing complex queries. The ideal candidate has over 5 years of experience with both SQL and NoSQL databases, and a passion for data architecture. Join a dynamic team that values innovation and offers remote work flexibility.

Benefits

Collaborative engineering culture

Opportunities to experiment with emerging technologies

Remote work flexibility

Qualifications

• 5+ years of experience managing both SQL and NoSQL databases in production environments.
• Deep expertise in at least one NoSQL technology such as MongoDB or Redis.
• Strong background in data modeling, schema design, and performance optimization.

Responsibilities

• Architect, develop, and maintain high-performance database solutions.
• Drive data quality, integrity, and security across environments.
• Collaborate closely with developers and business teams.

Skills

SQL databases management

NoSQL databases management

Data modeling

Schema design

Performance optimization

Education

Bachelor’s degree in Computer Science or related field

Tools

PostgreSQL

MongoDB

MySQL

Job description

Duties & Responsibilities

We're looking for a SQL Developer who has NoSQL experience or a very strong SQL Developer who is passionate about Database and Datawarehouse Development who would like to upskill in NoSQL. If you love designing data ecosystems that scale, thrive on optimizing complex queries, and can move effortlessly between SQL and NoSQL worlds you might be exactly who we're looking for. As part of our fast-moving development team, you'll architect, tune, and maintain high-performance data systems that power real-world applications.

What You’ll Do

• Architect, develop, and maintain high-performance database solutions across SQL and NoSQL platforms
• Design optimized schemas and write efficient queries, views, triggers, and stored procedures
• Model and manage relational (OLTP / OLAP) and non-relational (document, key-value) data structures
• Drive data quality, integrity, and security across all environments
• Execute ETL processes, migrations, and transformations to keep data flowing seamlessly
• Proactively monitor, tune, and scale database performance using indexing, partitioning, and query optimization
• Collaborate closely with developers, analysts, and business teams to deliver actionable data solutions
• Document and evolve database architectures, standards, and best practices
• Stay ahead of the curve—continuously exploring new database technologies and performance strategies

What You Bring

• 5+ years of experience managing both SQL and NoSQL databases in production environments
• Mastery of at least one RDBMS (PostgreSQL, MySQL, MS SQL Server, or Oracle)
• Deep expertise in at least one NoSQL technology (MongoDB, Redis, Cassandra, DynamoDB, Couchbase, or Dragonfly)
• Strong background in data modeling, schema design, and performance optimization
• Understanding of normalization, denormalization, and data architecture patterns
• Preferred Education: A bachelor’s degree in Computer Science, Information Technology, Engineering, or a related technical field

Bonus Skills & Competencies

• Proven ability to craft and optimize complex SQL queries
• Skilled at analyzing, refactoring, and tuning legacy SQL code
• Experience with database administration tasks—backups, replication, and recovery planning
• Familiarity with ETL tools (e.g., SSIS) or data pipeline frameworks
• Knowledge of SQL Server features like Synonyms, SQL Agent jobs, linked servers, and maintenance plans
• Experience in Agile / Scrum environments
• Strong troubleshooting, debugging, and analytical skills
• Awareness of data security and compliance standards
• Excellent communication skills – able to bridge technical depth with business clarity
• A curious, data-driven mindset that turns insights into impact

Why You’ll Love It Here

• A collaborative, high-energy engineering culture
• Opportunities to experiment with emerging database technologies
• Remote flexibility with a team that values outcomes over hours
• Real ownership of the systems that drive innovation