I'm Vinay, a Senior Python Developer with 11+ years of experience building web and enterprise applications using Python and Django. I thrive on designing scalable APIs, optimizing high-traffic systems, and delivering data-driven solutions across cloud platforms (AWS, GCP) and modern DevOps stacks (Docker, Kubernetes, CI/CD). I also work with ML/NLP tools, vector search, and LLM integrations to empower research, product, and business teams. Collaborative by nature, I enjoy partnering with cross-functional teams to translate complex requirements into reliable software, robust data pipelines, and reusable components. I'm passionate about continuous learning and applying the latest AI/ML advancements to real-world problems.

I'm Vinay, a Senior Python Developer with 11+ years of experience building web and enterprise applications using Python and Django. I thrive on designing scalable APIs, optimizing high-traffic systems, and delivering data-driven solutions across cloud platforms (AWS, GCP) and modern DevOps stacks (Docker, Kubernetes, CI/CD). I also work with ML/NLP tools, vector search, and LLM integrations to empower research, product, and business teams. Collaborative by nature, I enjoy partnering with cross-functional teams to translate complex requirements into reliable software, robust data pipelines, and reusable components. I'm passionate about continuous learning and applying the latest AI/ML advancements to real-world problems.

Available to hire

I’m Vinay, a Senior Python Developer with 11+ years of experience building web and enterprise applications using Python and Django. I thrive on designing scalable APIs, optimizing high-traffic systems, and delivering data-driven solutions across cloud platforms (AWS, GCP) and modern DevOps stacks (Docker, Kubernetes, CI/CD). I also work with ML/NLP tools, vector search, and LLM integrations to empower research, product, and business teams.

Collaborative by nature, I enjoy partnering with cross-functional teams to translate complex requirements into reliable software, robust data pipelines, and reusable components. I’m passionate about continuous learning and applying the latest AI/ML advancements to real-world problems.

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Experience Level

Expert
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Language

English
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Work Experience

Lead Python Developer at Mastercard
May 1, 2024 - Present
Developed RESTful APIs in Python using Flask and integrated with MongoDB for data persistence. Designed and integrated a Neo4j graph database to model complex relationships, enabling efficient traversal in biomedical datasets. Built data analytics pipelines with Pandas and Snowflake, and customized Strapi CMS backends. Implemented Okta RBAC and MFA, deployed Datadog across a Kubernetes-based microservices stack, and integrated with Splunk for logs. Built graph-aware services with FastAPI and neo4j-driver for NLP-driven document summarization tools. Implemented LLM-enabled workflows using OpenAI API and Hugging Face, and created ETL pipelines with Apache Airflow. Secured endpoints with JWTs validated by Okta, integrated RabbitMQ for asynchronous messaging, and designed vector-search APIs with Pinecone and FAISS. Built serverless LLM workflows on AWS with Bedrock, modeled semi-structured data in MongoDB, and leveraged AWS Bedrock and LangChain for modular LLM pipelines. Implemented DBT t
Sr Python Developer at Humana
January 1, 2023 - April 1, 2024
Led Python development, built Kafka producers/consumers with Python client and KSQL, and implemented FAISS-based vector search for semantic retrieval across customer feedback. Integrated MATLAB algorithms via MATLAB Engine API, and designed serverless GenAI apps using AWS Lambda and Bedrock with LangChain. Built an Okta webhook listener in FastAPI to sync user roles with PostgreSQL, and created graph-based knowledge maps with Neo4j. Developed ETL scripts migrating data between Cassandra and cloud storage (S3, Redshift, Athena) for ML training. Prototyped LLM-powered scientific assistants with OpenAI API and LangChain; automated model selection and fallback logic using Bedrock. Implemented Okta event hooks for real-time processing, used Ansible for configuration, and integrated Cassandra with AI/ML pipelines. Built modular UI components and dashboards, and integrated Kafka for real-time scoring in fraud monitoring.
Sr Python Developer at Voya Financial
January 1, 2020 - November 1, 2021
Confluent Cloud Kafka with Python clients; built FAISS-based vector search for semantic retrieval in customer data. Integrated MATLAB with Python workflows; prototyped serverless GenAI apps using AWS Lambda and Bedrock with LangChain. Implemented Okta event hooks and inline hooks to trigger Python-based serverless functions; developed graph knowledge maps using Neo4j; ETL scripts migrating data between Cassandra and cloud storage (S3, Redshift, Athena). Stored and processed large-scale datasets for ML training on S3, Redshift, and Athena; prototyped LLM-powered scientific assistants using OpenAI API and LangChain; automated model selection/fallback with Bedrock. Worked on Django/FastAPI NLP services, and built distributed data processing pipelines with PySpark.
Python Developer at CitiusTech
October 1, 2018 - December 31, 2019
Developed NapALM modules and automation tools with Python; designed UI using HTML/JS; built Django-based backend with OAuth and Celery/Redis for queue processing. Implemented SSL for encryption in transit and integrated Okta for SSO. Containerized deployments via Docker/Kubernetes on GCP, and managed deployments with Ansible and CloudFormation. Built RESTful services, migrated deployments to AWS ECS/EC2, and designed ETL pipelines with Airflow. Worked with XML/XSLT and implemented testing via PyTest; created data models in Cassandra for high availability and scalability.
Python Developer at Pay Zapp
May 1, 2016 - September 30, 2018
Built API-first backend using Django and SQLAlchemy; developed frontend components with AngularJS; containerized and deployed ETL/REST services on AWS ECS. Implemented TDD and CI/CD practices; performed cross-browser testing with Selenium. Implemented unsupervised ML (K-means) for customer segmentation and data munging; migrated deployment pipelines using Docker, Kubernetes, and AWS services. Implemented authentication/authorization with OAuth and integrated Docker-based microservices.
Python Developer at Max Life Insurance
June 1, 2014 - April 30, 2016
Developed multi-threaded Django-based web applications, MVC architecture, and data processing with MySQL. Built Python/Django web-based applications for data processing and visualization; provided PyQt GUIs for end-user reporting. Implemented REST endpoints, API-driven modules, and Django-REST-based services; leveraged AWS for hosting (EC2/S3) and monitored systems with CloudWatch. Built data-driven dashboards and reports; designed user-friendly interfaces using HTML5, CSS, and JavaScript.

Education

Masters in Computer Science at Eastern Illinois University
January 11, 2030 - January 1, 2023
Bachelors in Computer Science at Satavahana University
January 11, 2030 - January 1, 2013

Qualifications

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Industry Experience

Software & Internet, Financial Services, Healthcare, Education, Professional Services