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Hi, I’m Udaya Chandrika Gummuluri, a software engineer specializing in full-stack Python development. I design and build scalable web applications and cloud-native platforms using Python (Django, Flask, FastAPI) and modern frontend tech like React and TypeScript. I enjoy delivering high-performance REST APIs, event-driven microservices, and distributed systems deployed on AWS with Docker, Kubernetes, and Terraform. My focus areas include fintech payment systems, real-time data processing, and secure authentication (OAuth2, JWT). I thrive in building reliable, high-availability platforms that handle large-scale financial transactions, and I like collaborating with teams to ship robust software, dashboards, and monitoring solutions.…Hi, I’m Udaya Chandrika Gummuluri, a software engineer specializing in full-stack Python development. I design and build scalable web applications and cloud-native platforms using Python (Django, Flask, FastAPI) and modern frontend tech like React and TypeScript. I enjoy delivering high-performance REST APIs, event-driven microservices, and distributed systems deployed on AWS with Docker, Kubernetes, and Terraform. My focus areas include fintech payment systems, real-time data processing, and secure authentication (OAuth2, JWT). I thrive in building reliable, high-availability platforms that handle large-scale financial transactions, and I like collaborating with teams to ship robust software, dashboards, and monitoring solutions.

Udaya Chandrika Gummuluri

Full Stack Developer, Web Developer, Back-End Developer, +3

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Hi, I’m Udaya Chandrika Gummuluri, a software engineer specializing in full-stack Python development. I design and build scalable web applications and cloud-native platforms using Python (Django, Flask, FastAPI) and modern frontend tech like React and TypeScript. I enjoy delivering high-performance REST APIs, event-driven microservices, and distributed systems deployed on AWS with Docker, Kubernetes, and Terraform. My focus areas include fintech payment systems, real-time data processing, and secure authentication (OAuth2, JWT). I thrive in building reliable, high-availability platforms that handle large-scale financial transactions, and I like collaborating with teams to ship robust software, dashboards, and monitoring solutions.…Hi, I’m Udaya Chandrika Gummuluri, a software engineer specializing in full-stack Python development. I design and build scalable web applications and cloud-native platforms using Python (Django, Flask, FastAPI) and modern frontend tech like React and TypeScript. I enjoy delivering high-performance REST APIs, event-driven microservices, and distributed systems deployed on AWS with Docker, Kubernetes, and Terraform. My focus areas include fintech payment systems, real-time data processing, and secure authentication (OAuth2, JWT). I thrive in building reliable, high-availability platforms that handle large-scale financial transactions, and I like collaborating with teams to ship robust software, dashboards, and monitoring solutions.

Available to hire

Hi, I’m Udaya Chandrika Gummuluri, a software engineer specializing in full-stack Python development. I design and build scalable web applications and cloud-native platforms using Python (Django, Flask, FastAPI) and modern frontend tech like React and TypeScript. I enjoy delivering high-performance REST APIs, event-driven microservices, and distributed systems deployed on AWS with Docker, Kubernetes, and Terraform.

My focus areas include fintech payment systems, real-time data processing, and secure authentication (OAuth2, JWT). I thrive in building reliable, high-availability platforms that handle large-scale financial transactions, and I like collaborating with teams to ship robust software, dashboards, and monitoring solutions.

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Intermediate

Work Experience

Full Stack Python Developer at Fiserv, USA

September 1, 2024 - Present

Owned end-to-end development of enterprise and customer-facing applications in a regulated financial environment. Designed scalable backend services using Python and FastAPI, supporting 100K+ monthly users with 99.9% service availability. Built modern React and TypeScript frontends, improving page performance and accessibility. Deployed cloud-native solutions on AWS (EC2, Lambda, RDS, S3) for elastic scaling and cost optimization. Integrated AI-powered backend services and data pipelines to automate workflows. Implemented CI/CD with automated testing and security practices (JWT, RBAC, encryption, OWASP) to support compliance and readiness.

Python Developer at Cybage Software, India

January 1, 2021 - July 1, 2023

Developed and maintained backend services and RESTful APIs with Django for enterprise client applications. Delivered 10+ feature releases per year in collaboration with frontend, QA, and product teams. Optimized PostgreSQL/NoSQL interactions, improving query performance by 20–30%. Implemented PyTest-based unit and integration tests, reducing regressions. Supported deployments across development, staging, and production with CI/CD pipelines and modern Python tooling. Adopted best practices to improve code maintainability and reliability.

Software Engineer – Full Stack Python Developer at Fiserv

September 1, 2024 - Present

Designed and implemented high-performance payment processing APIs using Python (FastAPI, Flask) and PostgreSQL, supporting 100K+ monthly financial transactions with 99.9% system availability. Built React + Redux dashboards for real-time transaction monitoring, error detection, and analytics. Improved backend performance by 35% via asynchronous processing with Celery, Redis caching, and optimized SQL queries. Developed event-driven microservices using Apache Kafka and Python for real-time payment events, settlement processing, and fraud monitoring pipelines. Containerized applications with Docker and deployed on Kubernetes. Implemented AWS infrastructure (EC2, RDS, Lambda, S3) with Terraform. Integrated OAuth2, JWT, and RBAC for PCI-DSS compliance. Built CI/CD pipelines with Jenkins and automated testing with PyTest. Created 200+ automated tests reducing production defects by 35%.

Software Engineer – Python Full Stack at Cybage Software

January 1, 2021 - July 1, 2023

Developed backend services for an e-commerce payment dashboard using Django and Django REST Framework, delivering transaction processing and reporting for 5,000+ users. Designed RESTful APIs to integrate 10+ third-party gateways and internal services for transaction processing and order management. Optimized PostgreSQL queries and indexing to reduce response times by ~25%. Built API aggregation services with asynchronous requests and message queues. Implemented data indexing/search with Elasticsearch. Collaborated with frontend teams via structured APIs for dashboard visualizations. Established CI/CD using Git and Jenkins. Wrote unit/integration tests with PyTest to improve reliability.