Open to new opportunities

Koteswar
Rao

Sr. Software Engineer & Full Stack Java Developer

6+ years building scalable enterprise applications across finance, healthcare, and logistics. Expert in Java, Spring Boot, AWS cloud-native services, and big data engineering with Spark & Databricks.

6+Years Exp.
3Industries
AWSCloud Native
4Companies
KoteswarRao.java
public class KoteswarRao {
  private String role =
    "Sr. Software Engineer";

  private int experience = 6;

  private List<String> stack = List.of(
    "Java 17", "Spring Boot",
    "Apache Spark", "AWS",
    "Kafka", "Databricks"
  );

  public boolean isAvailable() {
    return true; // open to work
  }
}
🏆 Key Achievements
35% API Latency Reduction at UPS | 99.9% Uptime SLA Maintained | 40% Faster CI/CD Release Cycles | 85%+ Automated Test Coverage | 50% MTTR Reduction at Bajaj Finance | 45% Faster Deployment Lead Time | 20% Cost Reduction via Kubernetes HPA | 6+ Years Enterprise Engineering | 35% API Latency Reduction at UPS | 99.9% Uptime SLA Maintained | 40% Faster CI/CD Release Cycles | 85%+ Automated Test Coverage | 50% MTTR Reduction at Bajaj Finance | 45% Faster Deployment Lead Time | 20% Cost Reduction via Kubernetes HPA | 6+ Years Enterprise Engineering |
technical skills

What I Work With

A full-spectrum engineering stack from backend microservices to cloud-native deployments and big data pipelines.

Core Expertise
Java / Spring Boot95%
AWS Cloud Services90%
Apache Spark / PySpark88%
React / Angular82%
Docker / Kubernetes87%
GraphQL / REST APIs92%
Languages
JavaPythonPySparkJavaScriptShellC++
☁️
AWS Cloud
EC2S3LambdaEKSRDSBedrockGlueEMRSQSSNS
Data Engineering
Apache SparkPySparkHadoopKafkaDelta LakeDatabricksHive
🌐
Web & APIs
React.jsAngularGraphQLRESTOAuth2JWT
🗃️
Databases
MS SQL ServerPostgreSQLMongoDBDynamoDBOracleRedisElasticsearch
🔧
DevOps & CI/CD
DockerKubernetesJenkinsGitLab CITerraformHelmAnsible
📊
Monitoring
PrometheusGrafanaELK StackJaegerCloudWatchIstio
🏗️
Frameworks
Spring BootSpring MVCHibernateFlaskFastAPIDjango
featured projects

What I Have Built

Real-world enterprise projects delivering measurable impact across logistics, finance, and insurance industries.

🚚
Smart Logistics Platform
UPS · 2023 – Present

Large-scale real-time logistics platform enabling smart route optimization, live package tracking, and automated customer notifications serving millions of daily users.

  • Reduced API latency by 35% with DynamoDB & S3 optimization
  • Integrated AWS Bedrock AI for route optimization
  • 99.9% uptime SLA across all microservices
  • 85%+ automated test coverage
Java 17Spring BootAWS EKSKafkaGraphQLDatabricks
💰
Credit Risk Analytics Engine
Bajaj Finance · 2021 – 2022

End-to-end loan management and credit risk platform processing millions of records with PySpark pipelines for real-time EMI calculations, KYC automation, and credit decisioning.

  • 40% faster pipeline runtime with PySpark optimization
  • AI-powered KYC document summarization via AWS Bedrock
  • 50% reduction in MTTR for critical incidents
  • 45% faster deployment lead time
Java 11PySparkKafkaDynamoDBAWS LambdaRedis
🏠
Insurance Data Integration Pipeline
Aditya Birla Capital · 2019 – 2021

Scalable data integration platform for insurance and mutual fund operations, ingesting large datasets from Azure Blob Storage into cloud databases with real-time event streaming.

  • Replaced polling with Kafka — latency from minutes to seconds
  • 20% production bug reduction via SonarQube quality gates
  • Automated schema discovery with AWS Glue & EMR
JavaPySparkKafkaAWS GluePostgreSQLTerraform
work history

Experience

6+ years of building high-performance systems at scale across logistics, finance, insurance, and telecom.

UPS
📍 Louisville, KY
Aug 2023 – PresentSr. Software Engineer

Large-scale logistics platform for smart route optimization, real-time tracking, and customer notifications. Built backend microservices in Java 17 and Spring Boot with Spark/PySpark pipelines in Databricks.

  • Reduced API response latency by 35% via optimized AWS DynamoDB and S3 data flows for Angular frontends.
  • Integrated AWS Bedrock AI models for route optimization recommendations powering dispatch team workflows.
  • Cut release cycle time by 40% with Jenkins + GitHub Actions CI/CD pipelines on Docker/Kubernetes.
  • Achieved 85%+ test coverage with Cypress & Playwright, reducing regression incidents by 30%.
  • Maintained 99.9% uptime SLA for real-time tracking portal serving millions of daily requests.
Java 17Spring BootGraphQLApache SparkKafkaAWS EKSDynamoDBTerraformJenkinsGrafana
Bajaj Finance Ltd
📍 Hyderabad, India
Mar 2021 – Jul 2022Java Backend Developer

Core backend services for loan management platforms with PySpark pipelines for credit risk analytics and KYC data workflows. APIs for EMI calculations and real-time credit processing.

  • Built PySpark batch pipelines processing millions of records — reduced pipeline runtime by 40%.
  • Integrated AWS Bedrock generative AI for automated KYC document summarization.
  • Reduced deployment lead time by 45% within first two sprints via Jenkins + GitHub Actions.
  • Reduced MTTR for critical credit decisioning incidents by 50% with CloudWatch & Grafana alerting.
Java 11Spring BootGraphQLPySparkMongoDBDynamoDBRedisKafkaAWS LambdaAPI Gateway
Aditya Birla Capital Ltd
📍 Bengaluru, India
Aug 2019 – Feb 2021Associate Java Developer

Backend APIs for insurance and mutual fund operations. Scalable Spark data integration pipelines ingesting datasets from Azure Blob Storage into PostgreSQL and MS SQL Server.

  • Replaced polling-based integrations with Apache Kafka — reduced event latency from minutes to seconds.
  • Reduced production bug rate by 20% within two quarters via SonarQube quality gates in CI/CD.
  • Leveraged AWS Glue and EMR Spark jobs to automate schema discovery and accelerate data modernization.
JavaSpring BootPySparkKafkaMS SQL ServerPostgreSQLAWS GlueEMRAzure DevOps
Infochord Technologies
📍 Hyderabad, India
Feb 2019 – Jul 2019Java Web Dev Intern

Telecom infrastructure orchestration platform using Java microservices on Kubernetes clusters integrated with OpenStack, focused on high availability and full observability.

  • Achieved 99% uptime for mission-critical VNFs deployed on Kubernetes with OpenStack.
  • Reduced over-provisioning costs by 20% implementing Kubernetes HPA for dynamic scaling.
  • Built centralized ELK Stack logging aggregating pod logs across Kubernetes for rapid root-cause analysis.
JavaSpring BootKubernetesDockerIstioPrometheusGrafanaJaegerELK Stack
academic background

Education

Strong foundations in computer science and information systems from recognized institutions.

🎓
Masters in Computer Information Systems
Rivier University — Nashua, NH
2022 – 2023
🏛️
Bachelor of Science in Computer Science
KL University — Guntur, India
2016 – 2020
recommendations

What People Say

Feedback from colleagues and managers who have worked closely with me.

★★★★★

Koteswar is one of the most reliable engineers I have worked with. His deep expertise in Java and AWS, combined with his ability to design scalable data pipelines, made him invaluable to our logistics platform team at UPS.

TM
Tech Manager
UPS · Louisville, KY
★★★★★

Koteswar delivered exceptional results on our credit risk analytics platform. His PySpark pipelines reduced our processing time by 40% and his proactive approach to monitoring ensured we hit our SLA targets every quarter.

PM
Product Manager
Bajaj Finance · Hyderabad
★★★★★

A highly skilled full-stack developer with a strong command of microservices architecture. Koteswar consistently delivered high-quality solutions on time and was a great team player throughout our project at Aditya Birla Capital.

SL
Senior Lead Engineer
Aditya Birla Capital · Bengaluru
get in touch

Let's Connect

Open to new opportunities, collaborations, and challenging engineering problems.

🚀
Ready to Build Something Great?

6+ years of full-stack expertise at your service. Let's discuss your next big project.

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