Senior Python Developer with REST/GraphQL APIs

Ranjitha Sukesh Kallur

Python Developer

442-***-**** ********************@*****.*** San Marcos, CA LinkedIn

SUMMARY

Full Stack Python Developer with 4+ years of experience designing, developing, and deploying high-performance web and data-driven applications using Python (Flask, Django, FastAPI), React, and Angular. Skilled in microservice architecture, REST API development, and data automation using Airflow and Pandas. Strong expertise in AWS, Docker, and CI/CD pipelines for secure, scalable, and observable cloud solutions in healthcare and banking domains. Proven ability to deliver clean, reliable code and lead cross-functional teams in Agile environments.

SKILLS

Methodology: Agile (Scrum), SDLC

Front-End: React.js, Angular 17, Next.js, TypeScript, Redux Toolkit, HTML5, CSS3, Tailwind CSS, Bootstrap, Material-UI, Ajax

Back-End & Middleware: Python (Flask, Django, FastAPI), Node.js, Express.js, Microservices, GraphQL, gRPC, WebSockets, RESTful APIs, OpenAPI, API Gateway

Data & Processing: Airflow, Pandas, NumPy, ETL Pipelines, Apache Kafka, Redis, Celery, SQL Alchemy

Databases: PostgreSQL, MySQL, MongoDB, DynamoDB, Redis, Firebase

Cloud & DevOps: AWS (Lambda, ECS, RDS, S3, CloudFormation), Azure Functions, Docker, Kubernetes, Terraform, GitHub Actions, Argo CD, Jenkins, CI/CD pipelines

Testing & Security: PyTest, Cypress, Selenium, Cucumber, OAuth2, JWT, Keycloak, SonarQube, Zero Trust Security

Monitoring & Observability: Prometheus, Grafana, OpenTelemetry, ELK Stack (Elasticsearch, Logstash, Kibana), CloudWatch

Tools: Git, VS Code, Postman, Swagger, Nginx, JIRA, Confluence, Linux (Bash)

Programming Languages: Python, TypeScript, JavaScript (ES6+), C#, C++

EXPERIENCE

CVS Health, USA Python Developer Jan 2024 – Present

Contributed to the development of a microservice-based healthcare platform using Flask and Django, improving modularity and reducing release cycles by 60%.

Designed and implemented RESTful and GraphQL APIs to securely exchange patient and pharmacy data across multiple systems.

Developed data pipelines using Airflow and Pandas to automate claims processing and ensure data quality.

Built responsive React and TypeScript interfaces integrated with Flask APIs for real-time clinical dashboards.

Containerized applications with Docker and deployed on AWS ECS using Fargate, reducing infrastructure costs by 30%.

Implemented secure authentication and authorization with OAuth2 and JWT for HIPAA-compliant services.

Set up CI/CD pipelines with GitHub Actions and Terraform, enabling seamless and reliable deployments.

Created dashboards in Prometheus and Grafana to enhance monitoring and reduce issue resolution time by 45%.

Collaborated closely with QA, product, and infrastructure teams to deliver scalable technical solutions.

Accenture Solutions LTD, India Python Developer May 2019 - July 2022

Developed and deployed banking web applications using Django and Angular, serving 20000 daily users.

Built Python-based microservices for loan management and real-time fraud detection using Kafka and Redis Streams.

Supported data analytics workflows for risk assessment using Pandas and NumPy, improving accuracy by 25%.

Created API specifications using OpenAPI/Swagger to streamline integrations across multiple services.

Optimized SQL queries and added Redis caching to reduce report latency from 8s to under 2s.

Developed Angular Reactive Forms and Material UI components for onboarding and policy modules.

Automated testing using PyTest and Selenium, achieving 90% code coverage and reducing production issues by 30%.

Configured Jenkins-based CI/CD pipelines with Docker to accelerate deployment frequency by 40%.

Applied secure credential management using Azure Key Vault and role-based access controls.

Worked with cross-functional teams in Agile sprints to deliver robust and compliant banking solutions.

EDUCATION

Master in Computer Science California State University San Marcos, San Marcos, CA

Bachelor in Information Science & Engineering GSSS Institute of Engineering and Technology for Women, Karnataka, India

CETIFICATIONS

AWS Certified Developer – Associate

PCAP: Certified Associate in Python Programming

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