Tejaswini User
@tejaswiniuser7
I build scalable Java microservices, APIs, and cloud systems for enterprise products.
United StatesWhat I'm looking for
I've built and optimized backend systems for Walmart, Amazon, and enterprise applications, focusing on scalable microservices, REST APIs, distributed messaging, and cloud deployments.
At Walmart through Collaborate Solutions, I reduced REST API latency from approximately 3000ms to under 500ms through query optimization and caching. I also owned the driver-earning-adjustment service, implementing real-time earnings logic, compliance checks, CosmosDB storage patterns, Kafka workflows, and production support.
At Amazon, I migrated a major service deployment structure using AWS CloudFormation, ECS, and Docker, reducing engineers' periodic deployment effort by 20%. I supported a feature launch that increased customer conversion by 13% and developed UI automation with 91% accuracy.
I work across Java, Spring Boot, Kafka, AWS, Databricks, Airflow, Spark, and SQL-based data systems. I value ownership from requirements through deployment, testing, incident response, and continuous operational improvement.
Experience
Work history, roles, and key accomplishments
Backend Engineer
Collaborate Solutions
Apr 2024 - Present (2 years 5 months)
Optimized REST API performance, reducing response latency from ~3000ms to under 500ms through query optimization and caching improvements. Facilitated seamless deployments of a mission-critical microservice on the WCNP (Walmart Cloud Native Platform), ensuring high performance and reliability.
Software Developer
Datics Inc
Jan 2024 - Apr 2024 (3 months)
Designed and developed scalable microservices using Spring Boot to support multiple applications across the organization, enabling efficient and consistent data exchange in JSON format. Configured RESTful APIs to integrate with various external systems via microservices architecture.
Owned the migration of deployment structure for a major service from an existing soon to be deprecated framework to a newer model using AWS CloudFormation, ECS and Docker with improvements in approval workflows and introduced automation tests within the process. Developed comprehensive UI automation tests for a live feature that allows customers to input their living room dimensions and explore ne
Instruction Assistant
University of Houston
Mar 2021 - Jul 2022 (1 year 4 months)
Managed classes for Corporate Innovation and Disruptive Thinking courses for a class size of over 200 students, leading to a 25% increase in student engagement in learning activities. Initiated and managed a Program of Study (PdO) that included a curriculum map, student learning outcomes, course schedules, and outcomes statements.
Education
Degrees, certifications, and relevant coursework
University of Houston
Master of Science, Management Information Systems
Grade: 3.67/4.0
Master of Science in Management Information Systems from the University of Houston, completed in July 2022.
Jawaharlal Nehru Institute of Technology
Bachelor of Technology, Computer Science
Grade: 8.8/10
Bachelor of Technology in Computer Science from Jawaharlal Nehru Institute of Technology, completed in September 2020.
Tech stack
Software and tools used professionally
Availability
Location
United StatesAuthorized to work in
Job categories
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