Arbaaz Ahmed profile photo 1 on Tal

Arbaaz Ahmed

Java Software Engineer at DBS Bank

Hyderabad

5+ years of work experience

DBS Bank
- NowPresent

DBS Bank
Aug 20241 yr 11 mosPresent

Built a referral code generation system using Feistel network algorithm for secure, reversible CIF-to-referral mapping without database persistence. Design a batch-processing system where customer CIF lists ingested from AWS S3, processed via Spring Boot microservices with thread pool parallelism, and referral codes published to Kafka for downstream ADA systems. Leveraged Byte-Buddy for runtime class generation for dynamic schema handling from CSV files, enabling flexible and performant batch processing. Developed and deployed microservices on PCF & OCP, handling Docker builds, YAML configurations, and secret management through ENAAS-to-OCP mapping. Implemented feature toggle mechanism through Oracle DB, allowing controlled feature rollout without redeployment. Set up CI/CD pipelines (Jenkins), performed applications monitoring via Grafana and AppDynamics. Worked in Agile teams, collaborating with cross-functional stakeholders to deliver secure, production-grade systems.
Sarag Systems Pvt Ltd
Apr 20231 yr 5 mosAug 2024

Developed automation solutions using Java multithreading, IPC, JAX-RS, and Collections to resolve critical system bugs and optimize performance. Conducted root cause analysis for technical issues and delivered high-value standalone backend-solutions. Built and maintained RESTful APIs for enterprise integration, ensuring security and scalability. Optimized database queries for high-performance systems and ensured compliance with security standards.
Cognizant
Oct 20211 yr 4 mosJan 2023

Developed client management systems for life sciences industry using Java, Spring Boot, JDBC, Java Mail API. Provided production support, optimized Oracle DB queries, and resolved incidents in real time. Actively participated in code reviews and process improvements.
Ink wall Tech Pvt Ltd
Feb 202011 mosDec 2020

Built interactive web pages using HTML, CSS, Bootstrap with validation via JavaScript. Written SQL queries for data retrieval and performed backend integration.

Education

Chaitanya Bharathi institute of technology

Master of Technology, Computer Engineering

Chaitanya Bharathi institute of technology

PDC, Intermediate

Gautham

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Arbaaz Ahmed on Tal

Headline

Java Software Engineer at DBS Bank

Location

Hyderabad

Work experience

Java Software Engineer at DBS Bank

Back End Developer at DBS Bank, Aug 2024 - Present · 1 yr 11 mos, Built a referral code generation system using Feistel network algorithm for secure, reversible CIF-to-referral mapping without database persistence. Design a batch-processing system where customer CIF lists ingested from AWS S3, processed via Spring Boot microservices with thread pool parallelism, and referral codes published to Kafka for downstream ADA systems. Leveraged Byte-Buddy for runtime class generation for dynamic schema handling from CSV files, enabling flexible and performant batch processing. Developed and deployed microservices on PCF & OCP, handling Docker builds, YAML configurations, and secret management through ENAAS-to-OCP mapping. Implemented feature toggle mechanism through Oracle DB, allowing controlled feature rollout without redeployment. Set up CI/CD pipelines (Jenkins), performed applications monitoring via Grafana and AppDynamics. Worked in Agile teams, collaborating with cross-functional stakeholders to deliver secure, production-grade systems.

Java Software Engineer at Sarag Systems Pvt Ltd, Apr 2023 - Aug 2024 · 1 yr 5 mos, Developed automation solutions using Java multithreading, IPC, JAX-RS, and Collections to resolve critical system bugs and optimize performance. Conducted root cause analysis for technical issues and delivered high-value standalone backend-solutions. Built and maintained RESTful APIs for enterprise integration, ensuring security and scalability. Optimized database queries for high-performance systems and ensured compliance with security standards.

Java Software Engineer at Cognizant, Oct 2021 - Jan 2023 · 1 yr 4 mos, Developed client management systems for life sciences industry using Java, Spring Boot, JDBC, Java Mail API. Provided production support, optimized Oracle DB queries, and resolved incidents in real time. Actively participated in code reviews and process improvements.

Software Engineer Intern at Ink wall Tech Pvt Ltd, Feb 2020 - Dec 2020 · 11 mos, Built interactive web pages using HTML, CSS, Bootstrap with validation via JavaScript. Written SQL queries for data retrieval and performed backend integration.

Education

Master of Technology, Computer Engineering, Chaitanya Bharathi institute of technology

PDC, Intermediate, Gautham

Arbaaz Ahmed - Java Software Engineer in Hyderabad | Tal