Java Backend Engineer - Microservices & Kafka

RACHNA MISHRA

+91-872******* ******.**********@*****.*** linkedin.com/in/rachnamishra3588

PROFESSIONAL SUMMARY

Java Backend Engineer with 6.5+ years of overall IT experience and 5+ years of experience building scalable, distributed systems using Java, Spring Boot, and Microservices. Strong experience in designing highthroughput, low-latency backend services, data-intensive systems, and cloud-native applications. Proven ability to optimize performance and build reliable, production-grade systems in fintech and enterprise environments.

TECHNICAL SKILLS

• Languages: Java (Primary), Python (Basic), C (Basic)

• Frameworks & Technologies: Spring Boot, Microservices, REST APIs

• Databases: MySQL, MongoDB, Oracle, MS SQL Server

• Cloud & DevOps: AWS (EC2, S3, Lambda, CloudWatch), Jenkins, CI/CD

• Tools: Git, Jira, Confluence, Elasticsearch, Kibana

• Core Concepts: Data Structures & Algorithms, OOP, Multithreading, Distributed Systems, System Design, High Availability, Fault Tolerance, SQL Query Optimization PROFESSIONAL EXPERIENCE

Career Break Aug 2025 – April 2026

• Took a short career break due to a family medical emergency; now actively seeking full-time backend engineering opportunities.

Delivery Module Lead – Mphasis Limited (Client: Goldman Sachs) Aug 2024 – July 2025

• Designed and integrated Java-based REST APIs to process real-time financial market data feeds.

• Experience building distributed systems with focus on scalability, reliability, and fault tolerance.

• Worked with Bloomberg and third-party systems to ensure reliable and low-latency data ingestion.

• Optimized backend systems, improving data processing efficiency by ~30%.

• Worked with event-driven architecture concepts and integrated backend services with Apache Kafka for asynchronous message processing.

• Collaborated with cross-functional global teams to deliver scalable and fault-tolerant services. Senior Applications Engineer – Oracle India Private Limited Dec 2021 – Mar 2024

• Developed enterprise payroll and reporting systems handling large-scale datasets (~1M+ records).

• Optimized complex SQL queries and reduced execution time by up to 80% for large datasets.

• Improved report generation performance by ~40%, enhancing system scalability.

• Enhanced data processing workflows, improving system efficiency and reliability.

• Participated in peer code reviews and collaborated with QA teams to improve regression coverage. Associate Software Engineer – Tekion India Private Limited Mar 2020 – Dec 2021

• Developed Spring Boot microservices and REST APIs for Accounting-Core modules.

• Designed backend components and led feature hand-offs for multiple Java services.

• Worked with MySQL (indexing, query optimization), improving query performance by ~30%.

• Delivered features used by multiple internal services and business workflows.

• Collaborated on Kafka-based event publishing and consumption to enable reliable communication between distributed microservices.

• Performed unit testing using JUnit and worked with MySQL and MongoDB databases. Project Engineer – Wipro Technologies Jul 2018 – Mar 2020

• Worked with enterprise applications and gained strong understanding of SDLC and release processes.

• Provided production support for enterprise applications, resolving critical issues within SLA.

• Improved incident resolution time by ~20% through proactive debugging and monitoring.

• Built foundational experience in backend systems, SQL, and enterprise support environments. EDUCATION

Bachelor of Technology (Computer Science & Engineering) 2014 – 2018 National Institute of Technology (NIT), Uttarakhand CGPA: 8.03 / 10

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