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Mayank Raj

Senior Consultant @ Oracle | Java | Spring Boot | Microservices | Kafka | AWS | Docker | Kubernetes | 7+ years Experience

Bengaluru

7+ years of work experience

Oracle
May 20251 yr 1 moPresent

Bengaluru

• Designed and developed scalable microservices for NTC transaction lifecycle using Java, Spring Boot, and REST APIs in high-volume banking systems • Implemented event-driven architecture using Apache Kafka, enabling real-time transaction validation and enrichment • Optimized microservices performance, improving transaction throughput, reducing latency, and enhancing system reliability • Translated HLD to LLD and collaborated with cross-functional teams to deliver resilient, cloud-native microservices architectures
Accenture
May 20232 yrs 1 moMay 2025

Bengaluru

•Engineered backend services and modular components for banking platforms using Java and Spring Boot •Established asynchronous communication between services leveraging Apache Kafka to streamline data flow and processing •Investigated and resolved complex production issues through detailed debugging and root cause analysis, improving system stability •Actively contributed to Agile delivery cycles, working with product owners and QA teams to ensure timely and quality releases
Tata Consultancy Services
Dec 20184 yrs 6 mosMay 2023

Bengaluru

•Developed core backend functionalities for digital banking platforms, including fund transfers, account management, and payee services using Java and Spring framework •Built and maintained RESTful services and batch processing jobs for large-scale data handling and scheduled workflows •Implemented design patterns (Factory, MVC, Singleton) to enhance code reusability, maintainability, and system structure • Supported production systems by troubleshooting issues, managing database operations, and ensuring application uptime and reliability

Education

Kalinga Institute of Industrial Technology, Bhubaneswar

Bachelor of Technology, Electrical engineering

Kalinga Institute of Industrial Technology, Bhubaneswar

20144 yrs2018

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Headline

Senior Consultant @ Oracle | Java | Spring Boot | Microservices | Kafka | AWS | Docker | Kubernetes | 7+ years Experience

About

Senior Software Engineer with 7+ years of experience in Java, Spring Boot, and Microservices Architecture, specializing in designing and developing scalable, high-performance distributed systems. Strong expertise in building RESTful APIs, event-driven architectures using Apache Kafka, and cloud-native applications on AWS. Proficient in Spring ecosystem (Spring Boot, Spring MVC, Spring Security, Spring Cloud), with hands-on experience in JPA, Hibernate, and building resilient backend services. Skilled in containerization and orchestration using Docker and Kubernetes, along with CI/CD pipelines using Jenkins and GitHub Actions. Extensive experience working with relational and NoSQL databases including PostgreSQL, MySQL, Oracle, MongoDB, and big data technologies such as Hadoop, Hive, and HDFS. Strong understanding of system design (HLD, LLD), design patterns, and performance optimization for high-volume transactional systems. Experienced in Agile/Scrum environments, production support, root cause analysis, and delivering secure, reliable, and scalable enterprise applications in the banking and financial domain.

Location

Bengaluru

Work experience

Senior Consultant at Oracle, May 2025 - Present · 1 yr 1 mo, Bengaluru, • Designed and developed scalable microservices for NTC transaction lifecycle using Java, Spring Boot, and REST APIs in high-volume banking systems • Implemented event-driven architecture using Apache Kafka, enabling real-time transaction validation and enrichment • Optimized microservices performance, improving transaction throughput, reducing latency, and enhancing system reliability • Translated HLD to LLD and collaborated with cross-functional teams to deliver resilient, cloud-native microservices architectures

Application Development Senior Analyst at Accenture, May 2023 - May 2025 · 2 yrs 1 mo, Bengaluru, •Engineered backend services and modular components for banking platforms using Java and Spring Boot •Established asynchronous communication between services leveraging Apache Kafka to streamline data flow and processing •Investigated and resolved complex production issues through detailed debugging and root cause analysis, improving system stability •Actively contributed to Agile delivery cycles, working with product owners and QA teams to ensure timely and quality releases

IT Analyst at Tata Consultancy Services, Dec 2018 - May 2023 · 4 yrs 6 mos, Bengaluru, •Developed core backend functionalities for digital banking platforms, including fund transfers, account management, and payee services using Java and Spring framework •Built and maintained RESTful services and batch processing jobs for large-scale data handling and scheduled workflows •Implemented design patterns (Factory, MVC, Singleton) to enhance code reusability, maintainability, and system structure • Supported production systems by troubleshooting issues, managing database operations, and ensuring application uptime and reliability

Education

Bachelor of Technology, Electrical engineering, Kalinga Institute of Industrial Technology, Bhubaneswar