CEBOLENKOSI SHEZI
Johannesburg
Summary
Software Engineer specializing in fraud detection and fintech solutions. Contributed to the Tazama open-source fraud engine, enhancing its adoption among banking clients. Proficient in TypeScript, Angular, C#, and SQL, with a focus on performance engineering and growing expertise in DevOps practices, including CI/CD and containerization.
Overview
4
4
years of professional experience
1
1
Certification
Work History
Software Developer Associate
Sybrin
04.2023 - Current
- Contribute to the Tazama open-source fraud detection engine: feature development, maintenance, and collaboration in an OSS environment.
- Work on internal systems with the team: implementing backend and frontend capabilities aligned to product needs.
- Drive performance engineering: identify bottlenecks, introduce benchmarks, and validate improvements through repeatable tests.
- Support containerised deployments and delivery automation via CI/CD workflows and Kubernetes manifests.
Software Developer (Intern)
ICEP
01.2022 - 01.2023
- Built and maintained web application features using Angular and Node.js, backed by relational data stores.
- Integrated backend services with frontend UI flows to deliver end-to-end functionality.
- Strengthened fundamentals in SDLC practices, testing, and collaboration within a delivery team.
Education
National Diploma - Information Technology (Software Development)
Tshwane University of Technology
01-2022
Skills
- C
- JavaScript
- TypeScript
- Angular
- React Native
- Redux
- Hooks
- SQL
- PL
- PostgreSQL
- ArangoDB
- Microsoft SQL Server
- Docker
- Podman
- Docker Compose
- Kubernetes
- GitHub Actions
- Git
- GitHub
- GitLab
- Postman
- Newman
- Bruno
- Redis
- Valkey
- Linux
- Performance-based programming
- Building highly polished projects
- Maintainable projects
Certification
AWS Academy Graduate, AWS Academy Cloud Foundations, 2022
Languages
- isiZulu
- Sepedi
- English, Fluent
- IsiZulu, Fluent
- Sepedi, Intermediate
References
Available on request.
Selected Projects
- Tazama (Open Source) - Fraud risk calculation using ISO-standard messages; performance and reliability improvements; collaboration across OSS contributors.
- Internal Sybrin Systems - Feature delivery and maintenance across internal services with a focus on quality and operational readiness.
- Venu (Private) - Side project currently in use; focuses on clean DX, maintainable architecture, and polished output.
Professional Highlights
- Open-source contributor to a bank-grade fraud detection engine (ISO message processing, risk scoring, operational performance).
- Performance-focused engineering: profiling, benchmarking, and improving throughput/latency for critical services.
- Full-stack delivery on internal Sybrin systems-designing, implementing, and shipping features with a team.
- DevOps enablement: containerisation, Kubernetes manifests, and CI/CD workflow automation.
- Side project: Venu (private repositories) - currently in use; focused on polished developer experience and maintainability.
Timeline
Software Developer Associate
Sybrin
04.2023 - Current
Software Developer (Intern)
ICEP
01.2022 - 01.2023
National Diploma - Information Technology (Software Development)
Tshwane University of Technology