I am a results-oriented Senior Backend Engineer with 9+ years of experience designing and delivering secure, scalable backend systems across telecom, banking, and automotive industries. I focus on Java, Spring Boot, PostgreSQL, Oracle 12c, AWS, and microservices, with a strong emphasis on security (AES, JWT), performance, and Agile delivery. I love collaborating with cross-functional teams to build cloud-native architectures that are secure, reliable, and scalable, supported by CI/CD pipelines and robust monitoring.

Keabetswe Mputle

I am a results-oriented Senior Backend Engineer with 9+ years of experience designing and delivering secure, scalable backend systems across telecom, banking, and automotive industries. I focus on Java, Spring Boot, PostgreSQL, Oracle 12c, AWS, and microservices, with a strong emphasis on security (AES, JWT), performance, and Agile delivery. I love collaborating with cross-functional teams to build cloud-native architectures that are secure, reliable, and scalable, supported by CI/CD pipelines and robust monitoring.

Available to hire

I am a results-oriented Senior Backend Engineer with 9+ years of experience designing and delivering secure, scalable backend systems across telecom, banking, and automotive industries. I focus on Java, Spring Boot, PostgreSQL, Oracle 12c, AWS, and microservices, with a strong emphasis on security (AES, JWT), performance, and Agile delivery.

I love collaborating with cross-functional teams to build cloud-native architectures that are secure, reliable, and scalable, supported by CI/CD pipelines and robust monitoring.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
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Language

English
Fluent

Work Experience

Freelance Software Engineer at G2i Inc. (Outlier AI)
April 1, 2025 - Present
Designed and developed Java backend modules powering AI/LLM training pipelines, increasing data ingestion throughput by 20%. Improved system scalability and security by implementing Spring Boot microservices integrated with AWS (ECS, S3, Lambda, IAM). Collaborated with AI researchers to optimize distributed data processing, reducing processing time by 15%.
Senior Software Engineer at EOH – IOCO IT Consulting
March 31, 2025 - August 21, 2025
Delivered Spring Boot microservices and JWT-secured REST APIs for MTN & Discovery Investments, cutting integration latency by 30% and handling over 50,000 daily transactions. Implemented AES-encrypted SQL data flows, ensuring compliance with enterprise-grade security standards. Automated CI/CD pipelines with Jenkins and GitLab, reducing deployment cycles from 3 hours to under 20 minutes. Integrated AWS services including S3, ECS, and CloudWatch to enable secure, scalable cloud-native solutions.
Software Engineer at BMW Group
October 1, 2022 - August 21, 2025
Engineered backend scheduling and ordering modules using Java, Spring Boot, and PostgreSQL, improving vehicle order-processing efficiency by 25%. Built monitoring and logging pipelines with Elastic Stack & Kibana, cutting downtime incidents by 40%. Partnered with cross-functional teams to deliver high-availability backend systems across multiple regions.
Software Engineer at InnoVent Asset Management
August 1, 2018 - August 21, 2025
Modernized asset management systems (CAMS) with full-stack Java/Spring Boot and MongoDB, improving reporting speed by 35%. Enhanced data persistence and search performance, enabling real-time asset tracking for enterprise clients.
Software Engineer at Amdocs (Telkom Project)
April 1, 2018 - August 21, 2025
Built and optimized telecom order management backends using Java, Oracle (10g/12c), and SOAP APIs, handling over 50,000 daily transactions. Delivered enterprise system integrations via SOA, reducing manual interventions by 40%. Collaborated with Telkom engineers to improve system performance, cutting API response times by 20%.
Freelance Software Engineer at G2i Inc. (Outlier AI)
April 1, 2025 - November 3, 2025
Designed and developed Java backend modules powering AI/LLM training pipelines, increasing data ingestion throughput by 20%. Improved system scalability and security by implementing Spring Boot microservices integrated with AWS (ECS, S3, Lambda, IAM). Collaborated with AI researchers to optimize distributed data processing, reducing processing time by 15%.
Senior Software Engineer at EOH – IOCO IT Consulting
March 31, 2025 - March 31, 2025
Delivered Spring Boot microservices and JWT-secured REST APIs for MTN & Discovery Investments, cutting integration latency by 30%, handling 50,000+ daily transactions. Implemented API gateways, SSO authentication, AES-encrypted SQL data flows, ensuring enterprise-grade security standards. Automated CI/CD pipelines with Jenkins and GitLab, reducing deployment cycles from 3 hours to under 20 minutes. Integrated AWS services (S3, ECS, CloudWatch) to enable secure, scalable, cloud-native solutions.
Software Engineer at BMW Group
October 31, 2022 - October 31, 2022
Engineered backend scheduling and ordering modules using Java, Spring Boot, and PostgreSQL, improving vehicle order-processing efficiency by 25%. Implemented SSO authentication, TLS and JWT authentication. Built monitoring and logging pipelines with Elastic Stack & Kibana, cutting downtime incidents by 40%. Partnered with cross-functional teams to deliver high-availability backend systems across multiple regions.
Software Engineer at InnoVent Asset Management
August 31, 2018 - August 31, 2018
Modernized asset management systems (CAMS) with full-stack Java/Spring Boot and MongoDB, improving reporting speed by 35%. Enhanced data persistence and search performance, enabling real-time asset tracking for enterprise clients.
Software Engineer at Amdocs (Telkom Project)
April 30, 2018 - April 30, 2018
Built and optimized telecom order management backends using Java, Oracle (10g/12c), and SOAP APIs, handling 50,000+ daily transactions. Implemented LDAP, SSO authentication. Delivered enterprise system integrations via SOA, reducing manual interventions by 40%. Collaborated with Telkom engineers to improve system performance, cutting API response times by 20%.
Freelance Software Engineer at G2i Inc. (Outlier AI) – Remote
April 1, 2025 - November 3, 2025
Designed and developed Java backend modules powering AI/LLM training pipelines, increasing data ingestion throughput by 20%. Improved system scalability and security by implementing Spring Boot microservices integrated with AWS (ECS, S3, Lambda, IAM). Collaborated with AI researchers to optimize distributed data processing, reducing processing time by 15%.
Senior Software Engineer at EOH – IOCO IT Consulting – South Africa
March 1, 2025 - March 1, 2025
Delivered Spring Boot microservices and JWT-secured REST APIs for MTN & Discovery Investments, cutting integration latency by 30%, handling 50,000+ daily transactions. Implemented API gateways, SSO authentication, AES-encrypted SQL data flows, ensuring compliance with enterprise-grade security standards. Automated CI/CD pipelines with Jenkins and GitLab, reducing deployment cycles from 3 hours to under 20 minutes. Integrated AWS services (S3, ECS, CloudWatch) to enable secure, scalable, and cloud-native solutions.
Software Engineer at BMW Group – Pretoria, South Africa
October 1, 2022 - October 1, 2022
Engineered backend scheduling and ordering modules using Java, Spring Boot, and PostgreSQL, improving vehicle order-processing efficiency by 25%. Implemented SSO authentication, TLS and JWT authentication. Built monitoring and logging pipelines with Elastic Stack & Kibana, cutting downtime incidents by 40%. Partnered with cross-functional teams to deliver high-availability backend systems across multiple regions.
Software Engineer at InnoVent Asset Management – Johannesburg, South Africa
August 1, 2018 - August 1, 2018
Modernized asset management systems (CAMS) with full-stack Java/Spring Boot and MongoDB, improving reporting speed by 35%. Enhanced data persistence and search performance, enabling real-time asset tracking for enterprise clients.
Software Engineer at Amdocs (Telkom Project) – Johannesburg, South Africa
April 1, 2018 - April 1, 2018
Built and optimized telecom order management backends using Java, Oracle (10g/12c), and SOAP APIs, handling 50,000+ daily transactions. Implemented LDAP, SSO authentication. Delivered enterprise system integrations via SOA, reducing manual interventions by 40%. Collaborated with Telkom engineers to improve system performance, cutting API response times by 20%.
Senior Software Engineer at EOH – IOCO IT Consulting
March 1, 2025 - March 1, 2025
Delivered Spring Boot microservices and JWT-secured REST APIs for MTN & Discovery Investments, cutting integration latency by 30% and handling 50,000+ daily transactions. Implemented API gateways, SSO authentication, AES-encrypted SQL data flows, ensuring enterprise-grade security. Automated CI/CD pipelines with Jenkins and GitLab, reducing deployment cycles from 3 hours to under 20 minutes. Integrated AWS services (S3, ECS, CloudWatch) to enable secure, scalable, and cloud-native solutions.
Software Engineer at BMW Group
October 1, 2022 - October 1, 2022
Engineered backend scheduling and ordering modules using Java, Spring Boot, and PostgreSQL, improving vehicle order-processing efficiency by 25%. Implemented SSO authentication, TLS and JWT authentication. Built monitoring and logging pipelines with Elastic Stack & Kibana, cutting downtime incidents by 40%. Partnered with cross-functional teams to deliver high-availability backend systems across multiple regions.
Software Engineer at InnoVent Asset Management
August 1, 2018 - August 1, 2018
Modernized asset management systems (CAMS) with full-stack Java/Spring Boot and MongoDB, improving reporting speed by 35%. Enhanced data persistence and search performance, enabling real-time asset tracking for enterprise clients.
Software Engineer at Amdocs (Telkom Project)
April 1, 2018 - April 1, 2018
Built and optimized telecom order management backends using Java, Oracle (10g/12c), and SOAP APIs, handling 50,000+ daily transactions. Implemented LDAP, SSO authentication. Delivered enterprise system integrations via SOA, reducing manual interventions by 40%. Collaborated with Telkom engineers to improve system performance, cutting API response times by 20%.

Education

B.Tech(Bachelors of Technology) in Software Development at Tshwane University of Technology
January 1, 2016 - January 1, 2019
National Diploma in Software Development at Tshwane University of Technology
January 11, 2030 - January 1, 2016
B.Tech (Bachelor's of Technology) in Software Development at Tshwane University of Technology
January 11, 2030 - November 3, 2025
National Diploma in Software Development at Tshwane University of Technology
January 11, 2030 - November 3, 2025
B.Tech(Bachelors of Technology) in Software Development at Tshwane University of Technology
January 11, 2030 - November 3, 2025
National Diploma in Software Development at Tshwane University of Technology
January 11, 2030 - November 3, 2025
B.Tech (Bachelor's of Technology) in Software Development at Tshwane University of Technology
January 11, 2030 - November 3, 2025
National Diploma in Software Development at Tshwane University of Technology
January 11, 2030 - November 3, 2025
B.Tech in Software Development at Tshwane University of Technology
January 11, 2030 - November 3, 2025
National Diploma in Software Development at Tshwane University of Technology
January 11, 2030 - November 3, 2025

Qualifications

ITIL 4 Foundation
January 1, 2019 - August 21, 2025
Certified Agile Scrum Master
January 1, 2025 - August 21, 2025
ITIL 4 Foundation
January 1, 2019 - November 3, 2025
Certified Agile Scrum Master
January 1, 2025 - November 3, 2025
Cyber Security Expert (Udemy)
January 1, 2025 - November 3, 2025
SAA-C03 AWS Certified Solutions Architect Associate
January 1, 2025 - November 3, 2025
Docker & Kubernetes (Udemy)
January 1, 2025 - November 3, 2025
ITIL 4 Foundation
January 1, 2019 - November 3, 2025
Certified Agile Scrum Master
January 1, 2025 - November 3, 2025
Cyber Security Expert
January 1, 2025 - November 3, 2025
AWS Certified Solutions Architect – Associate (SAA-C03)
January 1, 2025 - November 3, 2025
Docker & Kubernetes
January 1, 2025 - November 3, 2025
ITIL 4 Foundation
January 1, 2019 - November 3, 2025
Certified Agile Scrum Master
January 1, 2025 - November 3, 2025
Cyber Security Expert (Udemy)
January 1, 2025 - November 3, 2025
AWS Certified Solutions Architect – Associate (SAA-C03)
January 1, 2025 - November 3, 2025
Docker & Kubernetes (Udemy)
January 1, 2025 - November 3, 2025
ITIL 4 Foundation
January 1, 2019 - November 3, 2025
Certified Agile Scrum Master
January 1, 2025 - November 3, 2025
Cyber Security Expert (Udemy)
January 1, 2025 - November 3, 2025
AWS Certified Solutions Architect – Associate (SAA-C03)
January 1, 2025 - November 3, 2025
Docker & Kubernetes (Udemy)
January 1, 2025 - November 3, 2025

Industry Experience

Telecommunications, Financial Services, Software & Internet, Professional Services, Manufacturing