Java Developer Spring Boot

Summary

YASWANTH KONIJETI

San Antonio, Texas +1-347-***-**** ******************@*****.***

Senior Java Developer with 5 years of experience in designing, developing, and maintaining scalable enterprise applications using Java, Spring Boot, and Microservices architecture. Proficient in building RESTful APIs, integrating with relational and NoSQL databases, and implementing CI/CD pipelines using Jenkins, Git, and Maven. Skilled in front-end development with Angular and React, as well as cloud platforms like AWS and Azure. Strong background in improving application performance, code quality, and system reliability. Effective team player with a focus on delivering clean, maintainable code and driving continuous improvement.

Skills

Backend Development: Java (8/11/17), Spring Boot, Spring MVC, Spring Security, JPA/Hibernate, RESTful API Design, Microservices Architecture, WebSockets

Cloud Platforms: AWS (EC2, S3, RDS, Lambda, API Gateway, CloudWatch), Azure (App Services, Key Vault, Blob Storage), GCP (App Engine, Cloud SQL), Cloud-Native Java Apps

Frontend Technologies: Angular, ReactJS, JavaScript (ES6+), HTML5, CSS3, Bootstrap, Thymeleaf

Database Technologies: PostgreSQL, Oracle, MySQL, MongoDB, Redis, JDBC, JPA, PL/SQL

DevOps & CI/CD: Jenkins, Git, Maven, Docker, Kubernetes, GitHub Actions, Azure DevOps, Nexus, CI/CD Pipeline Implementation

Infrastructure as Code & Automation: Terraform, CloudFormation (Basic), Shell Scripting, Ansible (Basic), Configuration Management

Professional Experience

Testing & Quality: JUnit, Mockito, Postman, REST Assured, SonarQube, TestNG, Integration & Unit Testing

Real-Time & Messaging Systems: Apache Kafka, RabbitMQ, AWS SNS/SQS, Event- Driven Architecture

Monitoring & Logging: ELK Stack (Elasticsearch, Logstash, Kibana), Splunk, Prometheus, Grafana, Log4j/SLF4J

Performance & Optimization: JVM Tuning, Garbage Collection Analysis, Database Query Optimization, Caching (Ehcache, Redis), Threading & Concurrency

Security & Compliance: OAuth2, JWT, Spring Security, OWASP Guidelines, Secure Coding Practices

Documentation & Tools: Swagger/OpenAPI, UML Diagrams, Lucidchart, VS Code, IntelliJ IDEA, Eclipse

Chase Bank, New York, NY

Sr Full stack Java Developer Jan 2025 to Current

Description: Designed, developed, and optimized enterprise-grade digital banking platforms for Chase Bank, enabling secure, real-time processing of millions of customer transactions daily. Led full-stack development efforts across backend microservices, frontend interfaces, and cloud-native deployments, ensuring compliance with financial regulations and industry best practices.

Developed and maintained scalable full-stack web applications using Java (Spring Boot) for the backend and React

or Angular for dynamic, responsive frontends in line with enterprise-grade standards.

Designed and implemented RESTful APIs for high-performance financial platforms, ensuring secure data exchange, reliability, and adherence to industry compliance requirements (e.g., PCI-DSS).

Integrated backend services with relational databases such as Oracle and MySQL, utilizing JPA/Hibernate for

ORM and optimizing queries for performance and data consistency.

Ensured end-to-end application security, scalability, and performance, implementing practices like input validation, encryption, caching, and multi-threading to meet stringent financial system standards.

Actively participated in Agile development practices, including daily stand-ups, sprint planning, backlog grooming, and retrospectives, contributing to iterative feature delivery and team collaboration.

Led and collaborated on CI/CD processes using GitLab CI/CD pipelines, Jenkins, and Docker to streamline code integration, testing, and deployment across development, staging, and production environments.

Performed code reviews and unit/integration testing to maintain code quality, reduce technical debt, and ensure adherence to SOLID principles and design patterns.

Citi Bank Bangalore, IN

Java Developer June 2022 – July 2023

Description: Contributed to the development and enhancement of enterprise-level banking applications for Citi’s global consumer banking division. Focused on backend microservices, secure API integrations, and transaction processing systems that supported high-volume customer operations across multiple geographies.

Led the design and development of high-performance backend services for critical transaction processing systems, handling high throughput and low-latency requirements in financial environments.

Architected scalable microservices-based solutions using Spring Boot, RESTful APIs, and Apache Kafka for asynchronous communication and event-driven architectures.

Implemented resilient and fault-tolerant messaging workflows, ensuring message integrity and system reliability across distributed services using Kafka and retry mechanisms.

Mentored junior developers through code reviews, design walkthroughs, and pair programming, fostering a culture of clean code, best practices, and continuous learning.

Collaborated with business analysts and stakeholders to understand domain-specific requirements and translated them into scalable, maintainable technical solutions.

Ensured strict adherence to financial compliance standards, including secure data handling, logging/auditing mechanisms, and conformance with internal audit protocols.

Worked extensively on system optimization, applying multi-threading, asynchronous processing, and caching strategies (e.g., Redis) to improve system throughput and response times.

Integrated monitoring and alerting tools (e.g., Prometheus, ELK, Grafana) into services to support observability, performance tracking, and proactive incident response.

Walmart, Bengaluru, IN

Java Full Stack Developer July2021 –May2022

Description: Worked on Walmart’s global e-commerce and supply chain management platforms, developing scalable, secure, and high-performance applications to support millions of daily transactions across retail stores and online channels. Collaborated with cross-functional teams to enhance customer experience, optimize backend systems, and integrate with third-party services.

Designed and implemented scalable Java-based backend services capable of handling millions of requests per day, ensuring high availability and fault tolerance across production environments.

Owned end-to-end feature development, including requirements analysis, system design, coding, deployment, and production monitoring, with a strong focus on reliability and maintainability.

Engineered and maintained distributed systems leveraging cloud-native architectures on AWS, incorporating services like EC2, S3, Lambda, RDS, and ECS as part of microservices deployments.

Collaborated closely with product managers, architects, and cross-functional teams to design and deliver customer- centric, scalable, and high-impact solutions that aligned with business goals.

Led and participated in design reviews and architectural discussions, contributing to decisions on service decomposition, API contracts, database schemas, and integration strategies.

Conducted performance profiling and optimization, including JVM tuning, garbage collection analysis, and load testing, to ensure system responsiveness under peak load.

Championed engineering best practices, including clean code principles, TDD using JUnit, code coverage metrics, and static code analysis, ensuring long-term code quality and maintainability.

Implemented CI/CD pipelines using tools like Jenkins, GitLab CI, and Docker, promoting automation, quick feedback cycles, and operational excellence in deployment workflows.

Visa Inc, Bengaluru, IN

Software Engineer Jan2020 – June2021

Description: Contributed to the development of secure, high-performance payment processing and fraud

detection platforms for Visa’s global transaction network. Designed and implemented backend services, APIs, and integration solutions that supported millions of transactions daily, ensuring reliability, scalability, and compliance with international financial regulations.

Designed and implemented Spring Boot microservices to handle high-volume payment authorization requests, ensuring sub-second response times.

Developed RESTful APIs to integrate with issuing banks, payment gateways, and merchant services across multiple regions.

Created React and Angular UI dashboards for real-time monitoring of transaction success rates, fraud alerts, and processing volumes.

Integrated Kafka event streaming to process and route transaction data into fraud detection engines and compliance systems in near real time.

Implemented Spring Security with OAuth2 and token-based authentication to safeguard sensitive cardholder data in compliance with PCI DSS standards.

Designed PostgreSQL and Oracle DB schemas to store and optimize large-scale transactional data.

Leveraged AWS Lambda for on-demand execution of settlement and reconciliation workflows.

Used Apache Spark for large-scale data aggregation, enabling real-time analytics on transaction patterns and anomalies.

Deployed and managed containerized workloads using Docker and Kubernetes with automated scaling for peak traffic periods.

Configured Grafana and Splunk dashboards to track system health, latency metrics, and fraud detection effectiveness.

Education

Master of Science in Information Technology: Wilmington University 2024 – 2025

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