Johannesburg: Senior Developer

We are seeking a Senior Developer with a strong foundation in software engineering, database design, and application development. The ideal candidate demonstrates advanced proficiency in technologies such as ASP.NET Core, WebAPI, SQL, PostgreSQL, and XAML, with a solid understanding of object-oriented design principles and Agile development methodologies. This role is responsible for designing, implementing, and maintaining secure, scalable, and high-performing software and database solutions that meet business and user needs. The Senior Developer will collaborate with multidisciplinary teams to deliver innovative solutions, ensure system reliability, and uphold the highest standards of data integrity and security. Exceptional analytical thinking, attention to detail, and a commitment to precision, quality, and customer satisfaction are key attributes for success in this position. What you’ll do: Design, test, implement and maintain the integrated spatial database to ensure 24/7 database availability and operation. Establish and maintain database replication. Develop and maintain stored procedures, triggers, functions, CTEs, security configurations, index optimization, query performance tuning, database normalization and design, RBAC, encryption, partitioning and sharding, and data auditing. Collaborate with product managers and designers to ensure a successful, high-quality product and great user experience. Analyse, maintain and enhance existing application and troubleshoot issues with efficiency. Perform accurate development estimation Produce technical specifications and designs. Participate in new business development through ideation, prototype development, and project estimates Research new techniques, tools, and best practices and share that knowledge with the team and community Maintain high data integrity and security standards Analytical and problem-solving skills Self-starter who takes ownership, is accountable, and is able to work under minimum supervision Excellent written and verbal communication skills Can help with quality assurance and provide comments Your Expertise: 3 year DBA experience 3 year Database Development experience Project experience: 2 years Other experience: 3 years in a software/mobile/database development or a combination Familiarity with Agile development methodologies Knowledge of OO design principles and development patterns Exposure in ASPNET, ASP.NET Core, WebAPI, SQL, PostgreSQL, PostGIS extension and XAML is advantageous Excellent understanding and application of design principles Qualifications: Matric / Grade 12 Degree in Software Engineering, Computer Science or related Personal Attributes/Soft Skills Required Technical proficiency Problem solving Adaptability Attention to detail Analytical skills Agile methodologies Customer focus Precision & Reliability Data-driven mindset