Senior Java Backend Engineer with Hadoop & Microservices Expertise

SAIKRISHNA PERUKA

****************@*****.*** 920-***-**** http://www.linkedin.com/in/saikrishna-p-krishna

SUMMARY

Software Engineer with 5+ years of experience designing and developing enterprise-grade applications using Java, Spring Boot, Python, and distributed data platforms. Strong expertise in building RESTful web services, integrating with third-party platforms, and working with large-scale data systems including Hadoop ecosystems. Experienced in working with Microsoft SQL Server, Hive, HBase, and cloud-native architectures. Proven ability to support high-availability systems in regulated enterprise environments.

TECHNICAL SKILLS

Programming Languages: Java, Python, JavaScript, TypeScript

Backend Technologies: Spring Boot, Spring MVC, Microservices Architecture, RESTful APIs, Node.js

Frontend Technologies: Angular, React, HTML5, CSS3

Cloud Platforms:

AWS (Primary): Lambda, S3, DynamoDB, API Gateway, CloudWatch, EC2, ECS, EKS, IAM, SNS, SQS

Azure (Secondary): AKS, App Services, Azure Functions, Azure DevOps

Databases: MySQL, PostgreSQL, Oracle, MongoDB, PL/SQL

Messaging & Caching: Apache Kafka, Redis

DevOps & CI/CD: Jenkins, GitHub Actions, Docker, Kubernetes, Maven, Gradle

Testing: JUnit, Mockito, Unit Testing, Integration Testing, Test-Driven Development (TDD)

Architecture & Practices: Domain-Driven Design (DDD), Event-Driven Architecture, Serverless Architecture, Microservices, API Design

Version Control: Git

WORK EXPERIENCE

Nutanix Full Stack Java Developer Aug 2023 - Present

Designed and developed scalable Spring Boot RESTful web services handling enterprise data workflows.

Integrated Java-based services with distributed data platforms including Hadoop ecosystem tools.

Built data ingestion pipelines leveraging Hive and HBase for structured and semi-structured data processing.

Developed Python utilities for automation, validation, and data transformation.

Implemented SQL Server data access layers with optimized stored procedures and indexing strategies.

Designed secure APIs using Spring Security with JWT-based authentication.

Worked closely with cross-functional teams to support enterprise-grade data systems in production environments.

Performed root-cause analysis and performance tuning across distributed systems.

Accenture (Apollo hospitals) Software Engineer Jul 2021 - May 2022

Developed Java and Spring Boot applications for large-scale enterprise systems.

Designed and implemented RESTful APIs integrated with Microsoft SQL Server.

Built data processing workflows leveraging Hadoop ecosystem (Hive queries, data extraction).

Worked with enterprise workflow systems and supported business process automation.

Optimized complex SQL queries and improved database performance by implementing indexing strategies.

Developed backend components handling high-volume transactional data.

Participated in Agile SDLC, code reviews, and production support.

Genie Lamp Software Engineer Jun 2019 - Jun 2021

Developed and supported scalable Java and Spring Boot applications for a banking client, focusing on performance, security, and reliability, with React used for frontend development.

Implemented role-based access control (RBAC) using Spring Security for banking applications.

Migrated monolithic components to microservices architecture on AWS EC2/ECS, improving scalability.

Configured IAM roles and policies following least-privilege security principles.

Implemented database connection pooling (HikariCP) to improve application throughput and resource utilization.

Developed secure REST APIs for payments, authentication, and user management, handling sensitive financial data.

Implemented asynchronous processing and caching strategies to support high-throughput transaction workloads.

Improved execution time through SQL optimization, query tuning, and service-level performance improvements.

Worked with QA and DevOps teams to ensure production readiness, resiliency, and deployment reliability.

EDUCATION

Master of Science, Computer Science University of Central Missouri Aug 2022 – Dec 2023

Bachelors in Technology, Computer Science JNTU Hyderabad

Projects

Microservices-based Payment Platform

Designed and deployed Spring Boot microservices with JWT-based security and Redis caching, focusing on high availability, fault tolerance, and performance in a distributed environment.

Black Friday Sales Prediction Using Machine Learning

Developed machine learning models to forecast customer demand, applying data-driven insights to improve sales and inventory planning decisions.

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