I’m Prasanth D, a Senior Python Developer with 9+ years of experience designing, developing, and delivering scalable software solutions. I thrive on turning complex requirements into clean, maintainable code and collaborating with product, data, and ops teams to ship value quickly. I’m passionate about cloud-native architectures, automation, and building robust data-driven applications that perform reliably under load. In my work, I emphasize clean code, testability, and automated delivery pipelines. I enjoy solving challenging problems across the stack—from API design and backend services to frontend dashboards and DevOps workflows that accelerate software delivery.

Prasanth D

I’m Prasanth D, a Senior Python Developer with 9+ years of experience designing, developing, and delivering scalable software solutions. I thrive on turning complex requirements into clean, maintainable code and collaborating with product, data, and ops teams to ship value quickly. I’m passionate about cloud-native architectures, automation, and building robust data-driven applications that perform reliably under load. In my work, I emphasize clean code, testability, and automated delivery pipelines. I enjoy solving challenging problems across the stack—from API design and backend services to frontend dashboards and DevOps workflows that accelerate software delivery.

Available to hire

I’m Prasanth D, a Senior Python Developer with 9+ years of experience designing, developing, and delivering scalable software solutions. I thrive on turning complex requirements into clean, maintainable code and collaborating with product, data, and ops teams to ship value quickly. I’m passionate about cloud-native architectures, automation, and building robust data-driven applications that perform reliably under load.

In my work, I emphasize clean code, testability, and automated delivery pipelines. I enjoy solving challenging problems across the stack—from API design and backend services to frontend dashboards and DevOps workflows that accelerate software delivery.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
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Language

English
Fluent

Work Experience

Sr Python Developer at Southwest Airlines
March 1, 2024 - Present
Developed and implemented business logic for processing refunds, handling various transaction flows efficiently. Utilized AWS services (Lambda, API Gateway, Step Functions, S3, EC2, VPC, CloudFormation, WAF) to build and manage cloud applications. Developed serverless architectures and managed infrastructure as code using AWS CloudFormation. Designed and built RESTful APIs and microservices with secure communication and optimized error handling. Debugged and optimized application performance. Managed MongoDB for transaction and refund data. Integrated OpenAPI updates and upgraded dependencies to maintain compatibility. Tested APIs using Postman and ensured code quality with unit and PyTest test cases.
Sr Python Developer at Walmart
February 29, 2024 - July 10, 2025
Designed, developed, tested, deployed, and maintained software features. Developed machine learning algorithms using Python libraries (Pandas, NumPy, Matplotlib), implemented JupyterLab extensions, built libraries for complex applications, and optimized NoSQL databases (MongoDB, Cassandra). Created Docker images with custom Jupyter environments and used CI/CD pipelines in Kubernetes. Developed RESTful APIs in Jupyter Notebook and FastAPI. Managed datasets with Pandas and MySQL through PrestoDB. Created custom conda packages and managed GCP infrastructure using Terraform. Automated testing and developed APIs with Node.js. Experienced with Oracle middleware, Hadoop clusters, and Hive data pipelines.
Sr. Python/PySpark Developer at Hortonworks
December 31, 2021 - July 10, 2025
Developed PySpark algorithms for data aggregation and optimized the framework. Migrated PySpark workflows to AWS Glue, automating data processing. Created CloudFormation templates for auto-provisioning and conducted integration checks on large datasets. Built algorithms for incremental data aggregation. Collaborated on frontend-backend integration using Next.js and Node.js. Utilized AWS Lambda, Step Functions, EC2, Athena for data processing. Implemented load balancing, auto-scaling, ECS deployments, and authentication via Amazon Cognito and IAM. Used Bazel for testing, managed container deployments with Fargate and Terraform. Developed UI tools with wxPython and web components with CSS, HTML, JavaScript. Automated tasks with Ansible and wrote tests with Robot Framework. Worked with MySQL, PL/SQL, and SAS for data extraction.
Sr. Python Developer at Joyn BIo
September 30, 2020 - July 10, 2025
Developed and designed Python RESTful APIs and server applications using Django and Tastypie. Created user interfaces with Django MVC and templating. Worked with Oracle Forms, Reports, and APEX. Modeled NoSQL databases and employed Beautiful Soup for web scraping. Parsed XML and integrated SOAP web services. Generated reports using NumPy and Matplotlib. Used advanced Python features and performed statistical analysis with Pandas. Deployed projects via Heroku and Jenkins integrating AWS services. Managed security with IAM and ECS. Utilized urllib and Requests for web crawling. Applied machine learning for clustering, regression, and classification. Managed version control and built deployment pipelines with Jenkins, Spark, Hadoop, and Cassandra. Authored build and deployment scripts and automated tests.
Python Developer at Apple
May 31, 2018 - July 10, 2025
Designed and developed frontend modules using Django framework. Built Django ORM models and handled data conversions. Conducted data analysis and visualization using Pandas, NumPy, and Matplotlib. Developed APIs for NoSQL databases with Django and FastAPI. Automated tasks with Python and Shell scripting. Managed URLs and parameters via Django. Enhanced projects using Jenkins and AWS services (EC2, S3). Streamlined builds and continuous delivery with Docker and Jenkins. Led frontend, backend, and API development to translate business needs into solutions. Worked with SQL databases, SOAP, and RESTful APIs. Developed WordPress backends, utilized Selenium for multi-browser testing, and managed deployment automation with Chef and Puppet.
Python Developer at Axis (Client)
August 31, 2017 - July 10, 2025
Developed frontend and backend modules with Python and Django. Modified existing modules to output specific data formats. Integrated jQuery UI with Django for content management. Processed third-party spending data with Excel macros and Python libraries. Accessed database objects with Django APIs. Parsed XML and loaded data into databases. Designed website UI using HTML, AJAX, CSS, and JavaScript. Maintained PostgreSQL databases and used SOAP and REST APIs. Applied machine learning libraries for data analysis. Built and optimized SQL queries. Worked with Apache CQ and Team Foundation Server. Performed regression tests and bug fixing. Created unit and regression test frameworks.
AWS-Python Developer at Southwest Airlines
March 1, 2024 - November 3, 2025
Designed and implemented refund-processing logic across diverse transaction flows, improving reliability and throughput. Leveraged AWS services (Lambda, API Gateway, Step Functions, S3, EC2, VPC) and CloudFormation to build scalable cloud-based applications; deployed serverless components and containerized microservices to EKS, enabling seamless scaling and updates. Designed RESTful APIs and microservices for cross-system integration, with secure environment-specific configurations and robust error handling. Built interactive UI components in React to visualize refund status and transaction history and integrated real-time Kafka streams for event-driven dashboards. Migrated data storage to MongoDB for transactional data, updated OpenAPI contracts to reflect breaking changes, and maintained CI/CD pipelines in GitLab for automated builds, tests, and deployments. Conducted unit testing, performance profiling, and debugging to sustain system health.
Sr Python Developer at Walmart
February 1, 2024 - February 1, 2024
Developed machine learning features and data processing pipelines using Python libraries (Pandas, NumPy, Matplotlib) and deployed JupyterHub/server extensions. Built reusable libraries and services, containerized environments with Docker, and deployed PySpark-based workloads on Kubernetes. Implemented RESTful APIs with FastAPI and integrated with React dashboards for real-time data monitoring. Bridged backend and frontend with Kafka-based data streams, PrestoDB/SQL access, and internal tools. Wrote infrastructure as code with Terraform to provision GCP resources, and used Cloud Build/Cloud Storage for CI/CD and artifact storage. Wrote extensive unit/integration tests with PyTest and Selenium, automated end-to-end workflows for checkout/order processing, and integrated Node.js services where needed. Worked with Oracle middleware, Hive, and Hadoop-based data stores.
Sr. Python/PySpark Developer at Hortonworks
December 1, 2021 - December 1, 2021
Designed end-to-end ETL pipelines using PySpark, AWS Glue, and Apache Airflow to schedule large-scale data processing. Migrated PySpark workflows to AWS Glue, created CloudFormation templates for auto-provisioning, and implemented DAGs with Airflow including retries and data quality checks. Orchestrated Kafka clusters for ingesting streaming data into AWS Glue pipelines and collaborated with frontend teams to configure dashboards for monitoring pipelines. Built backend services in Node.js and Python to support data transformation and API access; configured Lambda/S3/Step Functions for scheduled tasks; orchestrated ECS deployments with Terraform and Ansible.
Sr. Python Developer at Joyn BIo
September 1, 2020 - September 1, 2020
Developed Python-based RESTful APIs using Django and Tastypie, enabling robust data interactions and reporting. Built user interfaces with Django templates, integrated with Oracle Forms/Reports, APEX, and various XML/SOAP services. Modeled NoSQL data and produced graphical reports with NumPy/Matplotlib. Automated deployments with AWS, Jenkins, and Docker; leveraged Hadoop, Cassandra, and Spark for big data processing; created custom conda packages with SQL client access to Hive on GCP buckets. Implemented ML techniques for clustering and regression; wrote tests with PyTest; built and maintained data pipelines and dashboards using React/FastAPI.
Python Developer at Apple
May 1, 2018 - May 1, 2018
Led Django-based frontend/backend work, defining RESTful APIs and models; performed data analysis with Pandas/NumPy/Matplotlib to inform business decisions. Built and integrated APIs with PyMongo and MongoDB; created automated testing with Selenium and Jenkins; deployed projects on AWS (EC2/S3) and implemented multi-threading for performance. Managed deployments with Jenkins, Docker, and GitHub; built data visualizations for internal insights; contributed to machine learning experiments with Pandas/NumPy/SciPy/Sklearn.
Python Developer at Axis – India
August 1, 2017 - August 1, 2017
Developed Django-based frontend and backend modules, rewrote Python/Django components for data delivery formats, and interfaced with jQuery UI for content management. Cleaned and processed third-party spending data using Python and Excel macros; used Django ORM for database access; worked with machine learning libraries for data processing and modeling. Implemented SOAP/REST APIs, maintained PostgreSQL databases, and contributed to CI/CD practices with Jenkins.

Education

Add your educational history here.

Qualifications

AWS Certified Solutions Architect – Associate
January 11, 2030 - July 10, 2025
AWS Certified Solutions Architect – Associate
January 11, 2030 - November 3, 2025

Industry Experience

Software & Internet, Retail, Transportation & Logistics, Life Sciences, Professional Services