Senior Full Stack Developer - Python, React, AWS/GKE

Jyothi Srilakshmi Polisetty

Full Stack Developer

*****************@*****.*** +1-314-***-**** Seattle, WA LinkedIn SUMMARY

• Full Stack Developer with around 5 years of experience building scalable applications using Python (Django/FastAPI), React, TypeScript, and GraphQL.

• Strong expertise in designing and optimizing RESTful/GraphQL APIs, database performance, and delivering secure, high- traffic user experiences across enterprise and e-commerce domains.

• Proficient in Docker, Kubernetes, AWS, and Azure, with hands-on experience in CI/CD pipelines and cloud-native microservices architecture.

• Committed to secure coding and Agile practices, with proven skills in OAuth 2.0, JWT, PyTest, Selenium, and mentoring junior developers.

PROFESSIONAL EXPERIENCE

Full Stack Developer, Shopify 03/2024 – Present USA

• Leading development of large-scale customer-facing applications using Python (FastAPI/Django), Ruby on Rails, and React, supporting millions of daily transactions across global merchant storefronts.

• Architected and delivered real-time checkout features using Kafka, WebSockets, and PostgreSQL, improving conversion rates and enabling merchants to process transactions 20% faster during peak sales.

• Spearheaded migration from legacy monoliths to containerized microservices (Docker, Kubernetes, AWS EKS, Terraform), reducing infrastructure costs by 15% and improving horizontal scalability.

• Designed high-performance REST/GraphQL APIs for Shopify’s merchant ecosystem, optimizing PostgreSQL queries, Redis caching, and MongoDB integrations to reduce latency by 45% during flash sale traffic spikes.

• Collaborated with product managers, designers, and cross-functional teams to launch three high-impact merchant- facing features, driving measurable increases in adoption and customer satisfaction.

• Enhanced frontend experience with React, TypeScript, and GraphQL by implementing code-splitting, lazy loading, and server-side rendering, reducing average page load times by 35%.

• Championed secure coding practices by ensuring PCI-DSS compliance, OAuth2.0, JWT-based authentication, and database encryption standards, safeguarding sensitive merchant and customer payment data.

• Introduced advanced monitoring and observability with Datadog, ELK stack, and Prometheus, improving system uptime and reducing MTTR for production incidents by 30%.

• Mentored and onboarded three junior developers through knowledge-sharing sessions, technical guidance, and structured code reviews, building a stronger, more collaborative engineering culture.

• Influenced architectural decisions by recommending frameworks, libraries, database strategies, and design patterns, ensuring long-term scalability, maintainability, and alignment with Shopify’s global engineering vision. Full Stack Developer, Microsoft 07/2020 – 07/2023 India

• Developed and maintained enterprise-scale web applications using Python (Django/Flask) and React, delivering seamless experiences to over 50K monthly active enterprise users.

• Designed and optimized REST and GraphQL APIs on Azure, leveraging PostgreSQL and Cosmos DB to reduce response times by 40% and enable faster data delivery for global client integrations.

• Built reusable UI component libraries with React and TypeScript, improving development velocity by 30% and ensuring brand consistency across multiple enterprise platforms.

• Collaborated with product managers, UX designers, and global engineering teams to deliver scalable digital solutions used by Fortune 500 clients across multiple regions.

• Led the migration of legacy monolithic services into cloud-native microservices on Azure Kubernetes Service (AKS) with Terraform and Helm, significantly improving scalability, resilience, and deployment agility.

• Integrated payment gateways, authentication providers, and third-party APIs, streamlining workflows while improving customer satisfaction scores across enterprise business units.

• Automated deployments using Azure DevOps CI/CD pipelines and GitHub Actions, reducing release cycle times from weekly to daily and enabling continuous delivery across multiple geographies.

• Strengthened platform security by implementing role-based access control, Azure Active Directory integration, database encryption, and OWASP best practices, minimizing security vulnerabilities across applications.

• Mentored junior engineers through regular code reviews and pair programming, raising teamwide code quality and adoption of agile development practices across the org.

• Implemented automated testing pipelines with PyTest, Selenium, Postman, and Azure Test Plans, reducing production issues and post-release defects by 25% year-over-year. EDUCATION

Master's in Information Systems Missouri, USA

Saint Louis University

SKILLS

Languages & Frameworks: Python (Django, FastAPI, Flask), JavaScript (ES6+), TypeScript, React, GraphQL, REST APIs, server- side rendering; expertise across both frontend and backend development. Frontend & UI: HTML5, CSS3 (Flexbox, Grid), responsive layouts, component-based design, React performance optimization

(lazy loading, code-splitting), cross-browser compatibility, Figma collaboration. Backend & Server-Side: RESTful and GraphQL API design, microservices architecture, WebSockets/Kafka for real-time systems, Redis caching, SQLAlchemy ORM, authentication and authorization workflows. Databases & Caching: PostgreSQL, MySQL, MongoDB, Redis; skilled in query optimization, indexing, schema design, ACID transactions, and database performance tuning for high-traffic workloads. Cloud & DevOps: AWS (EKS, Lambda, RDS, S3), Azure (AKS, Functions, Cosmos DB), Docker, Kubernetes, Terraform, CI/CD

(GitHub Actions, Azure DevOps, Jenkins), monitoring (Datadog, Prometheus). Testing & QA: PyTest, Selenium, Cypress, Postman, unit and integration testing, test-driven development (TDD), automated regression testing for high code reliability.

Security & Best Practices: OAuth 2.0, JWT, PCI-DSS compliance, role-based access control, OWASP secure coding, input validation, SQL injection/XSS prevention.

Version Control & Collaboration: Git, GitHub, GitLab, Agile/Scrum, Jira, Confluence; proven experience in code reviews, pair programming, cross-functional collaboration, and mentoring. Soft Skills & Problem Solving: Critical thinking, adaptability, effective communication, project ownership, mentoring, time management

CERTIFICATIONS

Certified Full Stack and Front-End Web Developer: Udacity Microsoft Certified: Azure Fundamentals

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