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portfolio@sandeep-bandarupalli
visitor@portfolio:~$whoami

Innovative and results-driven Software Engineer with 4+ years of experience designing and developing scalable system-level and backend applications. Strong foundation in operating systems, distributed systems, and algorithmic problem-solving. Proficient in building high-performance systems and contributing to open-ended architectural decisions. Adept in modern programming languages like Java, Python, and C++, with hands-on experience working in Unix/Linux environments and across full software development lifecycle. Passionate about performance, scalability, and systems design.

Chicago, USA
visitor@portfolio:~$> cat README.md

Innovative and results-driven Software Engineer with 4+ years of experience designing and developing scalable system-level and backend applications. Strong foundation in operating systems, distributed systems, and algorithmic problem-solving. Proficient in building high-performance systems and contributing to open-ended architectural decisions. Adept in modern programming languages like Java, Python, and C++, with hands-on experience working in Unix/Linux environments and across full software development lifecycle. Passionate about performance, scalability, and systems design.

visitor@portfolio:~$> experience --list
Software Development Engineer@Northern Trust
Apr 2024 - Present[Chicago, USA]
  • Designed and implemented backend services in Java and Python to support large-scale distributed systems serving over 10 million users.
  • Built a low-latency REST API for internal tools, improving data query performance by 40%.
  • Refactored legacy code using modern abstractions and frameworks to improve testability and maintainability.
  • Implemented monitoring, logging (ELK), and alerting for system health and metrics using Prometheus and Grafana.
  • Worked with relational databases (PostgreSQL) to write optimized SQL queries and design normalized schemas.
  • Participated in daily Agile ceremonies and collaborated with cross-functional teams for release planning and execution.
Systems Engineer@Infosys
Feb 2022 - Jan 2023[Hyderabad, India]
  • Contributed to cloud-based service APIs used by telecom clients for performance monitoring and reporting.
  • Designed service-oriented architecture components that enhanced API response times by 15%.
  • Migrated legacy systems to a service-oriented architecture, reducing maintenance costs by 25%.
  • Architected service-oriented architecture for telecom APIs, improving modularity and scalability of client solutions.
  • Developed backend components in Java and used AWS services like EC2 and IAM for secured deployment.
  • Assisted in writing unit and integration tests, improving overall code coverage and system reliability.
  • Collaborated with senior developers and QA teams for feature delivery, bug fixes, and release support.
Software Engineer@Cigniti Technologies
Jan 2021 - Jan 2022[Hyderabad, India]
  • Built features for a microservices-based architecture using Spring Boot and deployed on Kubernetes (K8s).
  • Conducted code reviews, wrote unit/integration tests, and ensured high test coverage (80%+).
  • Leveraged Linux/Unix command-line tools for debugging, file manipulation, and scripting automation.
  • Integrated third-party APIs and services to enhance platform capability.
  • Participated in the design of high-availability systems and implemented retry mechanisms and failovers.
visitor@portfolio:~$> npm install --save-dev
+Programming Languages: Java
+SQL
+PL/SQL
+Frameworks & Libraries: Spring Boot
+Spring Security
+Spring Batch
+Hibernate
+Quartz Scheduler
+Web & API Development: RESTful APIs
+Swagger/OpenAPI
+Angular (collaborative full-stack features)
+Cloud Platforms: AWS (EC2
+S3
+Lambda
+Cloud Watch)
+Microsoft Azure (DevOps
+SQL
+Blob Storage
+Azure Functions
+App Services)
+Databases: Oracle
+PostgreSQL
+MySQL
+Azure SQL
+DevOps & CI/CD: Jenkins
+Azure DevOps
+Docker
+Liquibase
+SonarQube
+Monitoring & Logging: ELK Stack (Elastic search
+Logstash
+Kibana)
+AWS Cloud Watch
+Authentication & Security: JWT
+OAuth2
+Spring Security
+Caching & Performance: EhCache
+JMeter
+Messaging & Event Processing: RabbitMQ
+Quartz Scheduler (for automation & batch jobs)
+Testing Tools: JUnit
+Mockito
+Project & Collaboration Tools: JIRA
+Agile/Scrum methodologies
+UAT
+Version Control & Documentation: Git
+GitHub/Bitbucket
+Swagger
+Technical Documentation
+Knowledge Transfer Decks
visitor@portfolio:~$> cat /etc/education
Master’s in computer science
Campbellsville University
| Louisville, KY
visitor@portfolio:~$> cat .contact
visitor@portfolio:~$echo "Thanks for visiting!"