Stack Developer React Js

Venkata Kalaiahgari Java Full Stack Developer

CT, USA +1-845-***-**** *************@*****.*** LinkedIn Portfolio

PROFESSIONAL SUMMARY:

Java Full Stack Developer with 5 years of experience designing, developing, and maintaining scalable applications for clients in telecom, Core banking, healthcare and technology sectors.

Proficient in full software development life cycle using Java, Spring Boot, React.js, Angular, Hibernate, Bootstrap, and Microservices architecture.

Experienced in containerization and cloud deployments using Docker, Kubernetes, and AWS services including Lambda, EC2, S3, DynamoDB, SQS.

Adept at Agile methodologies, sprint planning, and cross-functional collaboration with QA, DevOps, and product teams to deliver high-quality features.

Open to relocation and committed to continuous learning, with strong foundations in backend optimization, responsive UI development, and secure API integrations.

TECHNICAL SKILLS:

Languages & Scripting: Java 11+, JavaScript (ES6), TypeScript, SQL, PL/SQL, Shell Script

Frameworks & Libraries: Spring Boot, Spring MVC, Hibernate, JPA, Microservices, Bootstrap, React.js, Angular

DevOps & CI/CD: Jenkins, GitLab CI, Docker, Kubernetes, Maven

Web Technologies: HTML5, CSS3, RESTful APIs, JSON, AJAX

Messaging & Streaming: Apache Kafka, RabbitMQ

Databases: Oracle, MySQL, PostgreSQL

Cloud & Security: AWS (EC2, S3, IAM), OAuth2, JWT, Role-Based Access Control

Monitoring & Logging: Grafana, Prometheus, ELK Stack, Log4j

Version Control: Git, GitLab

Testing Tools: JUnit, Selenium, Postman, JMeter

Project Methodologies: Agile, Scrum, Sprint Planning, Release Management

Other Tools: DocuSign API, SharePoint API, Jira, Confluence, Swagger, Data Structures & Algorithms, Design Principles.

PROFESSIONAL EXPERIENCE:

Inswitch Florida, USA

Java Full Stack Developer Jan 2025 – Present

Developed scalable full stack modules for digital wallet services using Spring Boot, Microservices, Hibernate, and React.js.

Implemented Kafka-based event-driven workflows for fund transfers and notifications, ensuring real-time transaction visibility.

Developed reusable React.js components that simplified UI workflows, improving exception handling efficiency and boosting caseworker productivity by 35% across the medical claim’s lifecycle.

Refactored backend APIs for account management, resulting in reduced latency and improved data accuracy.

Automated CI/CD flows via Jenkins, GitLab, and Docker, reducing production deployment time by 70% and enabling instant rollbacks within 15 minutes during system incidents.

Integrated OAuth2-based Role-Based Access Control to strengthen application security and audit compliance.

Worked closely with QA teams to expand unit and integration test coverage using JUnit, Postman, and Selenium.

Designed and implemented custom dashboards using Prometheus and Grafana, integrating key system metrics and performance indicators to enable real-time monitoring and proactive alerting, resulting in a 40% reduction in incident response time.

Resolved critical production incidents by leveraging real-time log tracing through the ELK Stack, identifying root causes faster and improving system resiliency and recovery time by 35%.

Participated in Agile sprint planning and retrospectives, aligning technical deliverables with business goals.

Environment: Java, Spring Boot, Microservices, Hibernate, React.js, Bootstrap, Kafka, REST APIs, Docker, Kubernetes, GitLab, AWS, OAuth2, Prometheus, Grafana, ELK Stack, JUnit, IntelliJ, JSP, Servlet, JSON.

Incedo Technology Solutions Pvt Ltd India

Software Engineer Oct 2022 – Aug 2023

Worked on behalf of Verizon, collaborating on full stack telecom analytics modules using Java, Spring Boot, Hibernate, Microservices, and React.js.

Created Kafka-based microservices to ingest logs from over 15,000 devices, improving event traceability and reducing latency.

Developed dynamic UI dashboards with React.js and Bootstrap for monitoring performance KPIs.

Optimized Oracle queries and fine-tuned JVM memory settings to improve application scalability and throughput, resulting in a 30% performance gain during peak load conditions.

Integrated ELK Stack with Grafana to enable real-time log aggregation and visualization, significantly improving monitoring accuracy and reducing incident detection time by 60%.

Deployed services on Kubernetes with readiness probes and automated rollbacks, improving rollout stability.

Implemented retry and dead-letter logic in Kafka consumers to ensure resilient data flows.

Actively participated in Agile ceremonies, contributing to backlog refinement, sprint planning, and cross-functional collaboration with DevOps teams to streamline integration testing and accelerate delivery cycles.

Environment: Java, Spring Boot, Hibernate, Microservices, Kafka, Oracle, React.js, Bootstrap, Docker, Kubernetes, ELK Stack, Grafana, JUnit, IntelliJ, JSP, Servlet, Git.

Evoke Technologies Solutions Pvt Ltd. India

Full Stack Software Engineer (Java & Angular) Feb 2022 – Sep 2022

Delivered responsive web apps using Angular and Java Spring Boot, streamlining backend workflows with Hibernate and Microservices.

Implemented real-time form validations and responsive UI using Bootstrap, improving user experience.

Optimized MySQL queries and RESTful API endpoints to improve backend job efficiency and reduce response latency, resulting in a 25% boost in application performance.

Automated document workflows by integrating DocuSign and SharePoint APIs, reducing manual synchronization efforts by 45% and improving processing accuracy and turnaround time.

Developed reusable modules for contract management system, reducing code duplication and maintenance overhead.

Participated in test scenario design and backlog grooming during Agile sprint cycles, contributing to a 20% increase in test coverage and a 15% reduction in sprint cycle time.

Environment: Java, Spring Boot, Hibernate, Microservices, Angular, Bootstrap, Kafka, MySQL, REST APIs, DocuSign, SharePoint, Git, JIRA, IntelliJ, JSON, JSP, Servlet.

Tata Consultancy Services Pvt Ltd India

Assistant System Engineer Jul 2019 – Nov 2021

Developed payment modules with Java and Oracle SQL, supporting over one million daily transactions with 78% accuracy across multiple global regions.

Optimized stored procedures to accelerate batch processing, reducing global reconciliation job time by 30% and improving settlement SLAs.

Conducted root cause analysis during L3 support, resolving 95% of incidents within SLA and improving production environment stability.

Integrated Kafka for monitoring payment events, reducing batch failure detection time by 40% through real-time alerting and logging.

Created Grafana dashboards to monitor system metrics, reducing manual effort by 60% during deployments and monthly reconciliation.

Worked on behalf of Standard Chartered Bank as part of their global banking project, focusing on cross-border transactions and settlement systems.

Environment: Java, Spring Boot, Hibernate, Microservices, Oracle SQL, Kafka, Bootstrap, Angular, REST APIs, Grafana, JIRA, IntelliJ, JSON, JSP, Servlet.

EDUCATION:

Master of Science in Computer Science and Information Technology Sacred Heart University – Fairfield, CT, USA – Dec 2024.

Bachelor of Technology in Electrical and Electronics Engineering Lovely Professional University – Phagwara, Punjab, India – May 2019.

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