01Systems
Backend foundations that hold up.
APIs, microservices, and event-driven flows designed for clear contracts, predictable behavior, and long-term maintainability.
Software Development Engineer @ Chewy
Jaya Kosana
Building scalable,
reliable products.
Software engineer focused on backend systems and modern web applications—from robust APIs and event-driven services to thoughtful product interfaces.
JavaSpring BootReactAngularGraphQLAWSDistributed Systems
Based inGreater Seattle Area
FocusBackend + Full Stack
About
Engineering with clarity and intent.
I’m a software engineer focused on building reliable backend systems and modern web applications. My work spans API design, microservices, event-driven systems, cloud infrastructure, and frontend development.
I enjoy solving problems around scalability, performance, reliability, and maintainability—especially where thoughtful system design can turn complicated product requirements into simple, dependable software.
Simple architectureObservable systemsIncremental delivery
What I build
From service boundaries to the final interface, I work across the layers that make a product dependable.
02Product
Full-stack product delivery.
Modern React and Angular experiences connected to robust Java and GraphQL services.
03Operations
Cloud systems built to run.
AWS, containers, CI/CD, observability, and careful production releases.
Experience
Building dependable software, end to end.
Backend depth, full-stack perspective, and a consistent focus on maintainable delivery.
Software Development Engineer I
- Develop Java and Spring-based backend applications, scalable REST APIs, and reliable services.
- Build and integrate frontend applications using React and GraphQL.
- Build cloud-native services on AWS and asynchronous, event-driven systems using Kafka.
- Drive technical design, code reviews, testing, CI/CD, and production releases in collaboration with cross-functional teams.
Software Engineer
- Built Spring Boot services and versioned REST APIs with structured logging and consistent error handling.
- Improved PostgreSQL query performance through indexing and execution-plan analysis.
- Delivered modular Angular features with lazy loading and reusable UI components.
- Containerized services and strengthened CI/CD workflows for safer, repeatable releases.
Teaching Assistant
- Mentored students in Java, Python, and JavaScript through debugging sessions and code reviews.
- Helped students apply data structures, algorithms, and object-oriented design in practical assignments.
Software Engineer
IVY Software Development Services Private Limited (Entain India)
- Implemented Spring Boot microservices supporting payment workflows.
- Built Kafka-based asynchronous processing to support reliable transaction flows.
- Upgraded Angular applications and refactored reusable components to improve performance and maintainability.
Technical toolkit
Focused tools for real-world systems.
A practical toolkit shaped by backend engineering, cloud delivery, and modern frontend work.
Backend
Services, APIs, and domain logic built for change.
- Java
- Spring Boot
- REST APIs
- Microservices
- GraphQL
- Kafka
Frontend
Maintainable interfaces with strong product fundamentals.
- React
- Angular
- TypeScript
- JavaScript
- HTML & CSS
- RxJS
Cloud & DevOps
Repeatable delivery and cloud-native operations.
- AWS
- Docker
- Git & GitHub
- CI/CD
- Jenkins
- PostgreSQL
Engineering
System qualities that matter after launch.
- Distributed Systems
- API Design
- Event-Driven Architecture
- Observability
- Performance
- Reliability
Education
Computer science foundations.
Beyond engineering
Roots and life outside code.
The places and interests that keep me grounded, curious, and connected.
Hometown → Current home
Vijayawada to Seattle.
Vijayawada, Andhra Pradesh, is my hometown. Today, I’m based in the Greater Seattle area.
Off the clock
What keeps me curious.
01
Chess
Strategy and patience.
02
Carrom
Precision and play.
03
Cooking
Experimenting with flavors.
04
Chai runs
Exploring new places, one cup at a time.
Let’s connect
Let’s talk
engineering.
I enjoy thoughtful conversations about system design—the tradeoffs behind scalable backends, reliable distributed systems, and software that is easier to operate and evolve.