Sakshi Ranjan

Software Engineer

Talent

PuneMember since May 4, 2026

JavaNode.jsSQLPythonData Structures & AlgorithmsObject-Oriented ProgrammingMultithreadingConcurrencySystem DesignDesign PatternsSpring BootREST APIsAPI DevelopmentAWSEC2S3PostgreSQLIndexingSDLCUnit TestingDebuggingCode ReviewPerformance OptimizationAgile DevelopmentDockerOpenCVTesseract OCR

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JavaNode.jsSQLPythonData Structures & Algorithms

About

Software Engineer with experience in Java, Spring Boot, Node.js, AWS, SQL, PostgreSQL, and REST API development, focused on building scalable and maintainable backend applications. Strong understanding of Data Structures & Algorithms, Object-Oriented Programming, multithreading, concurrency, design patterns, database optimization, and system design. Experienced in enterprise software development, production support, performance optimization, debugging, code reviews, and Agile software delivery.

Experience

Application Software Engineer - Theta Stack - Bhopal, Madhya Pradesh

(2023-09 - 2026-07)

Owned development and maintenance of backend services using Java, Spring Boot, SQL, and PostgreSQL for enterprise business applications.
Designed and enhanced REST APIs and backend modules, applying OOP, design patterns, separation of concerns, and maintainable coding practices.
Translated business requirements into technical solutions, breaking down application features into modular components and delivering incremental enhancements.
Supported production applications by investigating defects, performing root-cause analysis, debugging issues, and implementing reliable fixes with minimal service disruption.
Improved application performance through SQL optimization, database indexing, and backend logic improvements, reducing query execution time by 35%.
Worked with Node.js and Java-based services for API integration and backend service development across application modules.
Used AWS EC2, S3 for application deployment, cloud integration, service configuration, and scalable application environments.
Participated in code reviews, unit testing, release activities, and SDLC practices, ensuring code quality, reliability, and maintainability.
Collaborated with product, QA, and engineering stakeholders to troubleshoot technical issues, evaluate changes, and deliver features within Agile development cycles.