Khanimamba Masuka

Oracle Certified Java SE 17 Developer and AWS Certified Developer with 6 years of full-stack experience delivering secure, high-performance applications. Proven track record building scalable Java/Spring Boot microservices and dynamic React frontends for platforms serving 25,000+ clients and processing over 100,000 requests per minute. Holds additional certifications in AWS and Azure; experienced with Docker, Kubernetes, and CI/CD pipelines.

Java Developer at CyberPro Consulting (Standard Bank Contract) (2025-02 – Present)

Architected and deployed microservices to AWS using Bamboo specs, implemented API security and rate limiting, engineered payment processing modules, and built resilient microservices with fault-tolerance patterns.

• Architected and deployed microservices to AWS using Bamboo specs (ECS, ECR), reducing manual deployment steps by 70%.
• Implemented rate limiting, subscription management, and API security using IBM API Connect, strengthening compliance with banking security standards.
• Engineered beneficiary and limits management modules to support high-volume payment processing pipelines.
• Built resilient microservices with fault-tolerance patterns, improving system uptime for critical banking workflows.

Java Developer at First National Bank (2024-06 – 2025-02)

Delivered new application features using custom Java/Spring Boot framework, developed expense-claims module, led technology evaluations, and championed code quality culture.

• Delivered 5+ new application features using a custom Java / Spring Boot framework, enhancing functionality for thousands of bank employees.
• Developed an expense-claims module adopted by multiple business units, streamlining reimbursement workflows and reducing processing time.
• Led technology evaluation initiatives — presenting demos and recommendations that informed key architectural decisions.
• Championed principled coding culture through structured peer code reviews, improving team code quality scores.

Software Development Engineer II at Bet Software (2024-03 – 2024-05)

Contributed to scalable Elixir/MSSQL backend services and designed REST APIs in C#.

• Contributed to scalable Elixir/MSSQL backend services handling over 100,000 requests per minute with sub-second response times.
• Designed and delivered REST APIs in C#, validated end-to-end using Postman across multiple test environments.

Full Stack Java Developer at Ssquared Software Development (2021-03 – 2024-02)

Engineered responsive car-sales platform UI, designed database schemas for high-traffic applications, built policy management system, architected fund transaction logic, and ensured system reliability through comprehensive E2E tests.

• Engineered a responsive car-sales platform UI using React and GraphQL, supporting 1,000+ dealerships and driving a 30% improvement in page load performance.
• Designed PostgreSQL database schemas and server-side logic for a high-traffic bill payment platform processing 1,000+ requests per hour.
• Built and maintained a policy management system (C#, VBA, SQL) for 20,000+ clients; automated admin tasks via VBA scripts, saving 5 administrators 3+ hours per week.
• Architected fund transaction logic and automated Jasper Reports generation for a 25,000-client portfolio management system.
• Ensured system reliability by writing comprehensive Cucumber E2E tests, reducing production defects by 25%.
• Led a two-developer team; mentored junior developer through sprint planning, code reviews, and pair programming.

Programming & Electronics Assistant at Tshwane University of Technology (2020-03 – 2021-03)

Instructed students in C++ programming and mentored students through electronics lab sessions.

• Instructed 20+ students in C++ programming (RAD Studio C++ Builder), achieving a 95% lab completion rate across the cohort.
• Mentored 15+ students through electronics lab sessions, resulting in all mentored students successfully completing practical assessments.

National Diploma in Computer Systems Engineering – Tshwane University of Technology (2023)