Senior Software Engineer Java, Spring Boot, AWS, React.js

Results-driven Software Engineer with *+ years of experience designing and delivering enterprise applications using Java, Spring Boot, React.js, and AWS. Skilled in building scalable microservices, REST APIs, and full-stack platforms, with expertise in Agile methodologies, DevOps pipelines, and cloud-native deployments. Strong foundation in data structures, algorithms, and system design, with a proven track record of improving performance, reducing downtime, and enabling secure, high-availability systems. Technical Skills

• Languages: Java (8–17), Python, JavaScript (ES6+), TypeScript, SQL, Scala, Bash, HTML5, CSS3

• Frameworks & Libraries: Spring Boot, Spring MVC, Hibernate/JPA, React.js, Angular, Node.js, Express.js, Flask, Django

• Cloud & DevOps: AWS (EC2, S3, RDS, Lambda, CloudWatch, CloudFront, IAM), Azure (ADF, AKS, DevOps), GCP (BigQuery, Pub/Sub), Docker, Kubernetes, Jenkins, GitHub Actions, Terraform, Ansible, CI/CD Pipelines

• Databases & Storage: PostgreSQL, MySQL, Oracle, MongoDB, Cassandra, Redis, Snowflake, Memcached

• Messaging & Streaming: Apache Kafka, RabbitMQ, ActiveMQ

• Testing & QA: JUnit, Mockito, Selenium, Cypress, TestNG, Postman, Jest, JMeter

• Methodologies & Practices: Agile (Scrum, Kanban), Waterfall, SDLC, TDD, BDD, Code Reviews, Pair Programming

• Collaboration & Tools: Git, Jira, Confluence, Bitbucket, ServiceNow, Linux/Unix, IntelliJ IDEA, VS Code, Eclipse

• Data & Analytics: Data Structures & Algorithms, ETL pipelines, REST API Design, GraphQL, Big Data (Hadoop, Spark), Tableau Professional Experience

Software Engineer, PNC Financial Services Sep 2024 – Present USA

• Designed and implemented Spring Boot microservices to handle 100K+ daily financial transactions with <200ms latency, improving customer experience while ensuring high availability and PCI-DSS compliance.

• Developed and deployed REST APIs integrated with React.js applications, enabling seamless digital banking workflows while ensuring compatibility with enterprise ERP and real-time data feeds.

• Led the migration of critical services from a monolithic system to AWS-based microservices using EC2, S3, RDS, and Lambda, reducing downtime during releases by 70% and enhancing scalability for 50K+ concurrent users.

• Strengthened system security by implementing JWT, OAuth2, and TLS encryption, cutting unauthorized access incidents by 85% while aligning with SOC2 audit requirements and internal compliance checks.

• Optimized performance through Redis caching, connection pooling, and PostgreSQL query tuning, cutting response times by 40% and improving throughput across multiple core banking applications.

• Collaborated in Agile Scrum teams with product owners, QA, and DevOps to deliver sprint commitments, automate deployments using Jenkins, Docker, and Kubernetes, and accelerate release cycles by 30%. Software Developer, Green Touch Technology Jan 2021 – Dec 2023 India

• Built and maintained Java Spring Boot microservices integrated with Redis and Memcached, reducing average data retrieval time by 2s and improving application responsiveness across enterprise workflows.

• Developed and deployed 200+ REST APIs integrated with Kafka event streams, enabling asynchronous communication for 20K+ real- time daily events and supporting multiple business-critical applications.

• Established automated CI/CD pipelines with Jenkins, Docker, and GitHub Actions, reducing manual deployment effort by 80% and ensuring rapid delivery across development, staging, and production.

• Modernized legacy COBOL-based batch processing systems into scalable Spring Boot applications, eliminating recurring downtime of 40+ hours/month while increasing adaptability for new feature rollouts.

• Actively contributed to Agile ceremonies (sprint planning, retrospectives, daily stand-ups) and mentored junior developers in unit testing (JUnit, Mockito), debugging, and clean coding practices, improving team efficiency. Projects

Shopify Django, MySQL, Angular, Redis May 2021- Sep 2021

• Developed a full-stack e-commerce platform with secure authentication, product catalog, and order management, leveraging Django APIs and Angular dashboards with Redis caching for faster responses. Chitraguptha PyQt5, MySQL Aug 2020 –Dec 2020

• Built accounting software for NGOs, digitizing manual donation records, automating reconciliation workflows, and generating audit- ready reports, reducing manual bookkeeping by 70%. Education

Master of Science, Information Technology,University of Cincinnati, Cincinnati, OH Jan 2024 – Apr 2025 Cerifications

• AWS Certified Developer – Associate, Amazon Web Services (AWS) Sai Tejesh Reddy Vaka Software Engineer AWS Certified ***************@*****.*** Cincinnati, OH +1-513-***-**** LinkedIn Summary

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