Satish Kumar KONAKALLA

Designed and developed REST and GraphQL APIs for customer-facing financial applications and third-party integrations using Python, Node.js, and TypeScript, with a focus on secure, reliable service communication. • Designed and deployed cloud-native backend microservices on AWS using Lambda, DynamoDB, S3, Glue, and CloudWatch, supporting scalable financial workflows with production monitoring and reliable service operation. • Implemented Kafka-based event-driven workflows and asynchronous processing for near real-time data exchange across distributed services, reducing synchronous dependencies and improving the resilience of backend integrations. • Developed backend integration services and data pipelines using GraphQL, Kafka, and AWS to synchronize customer, transaction, and operational data across distributed financial platforms, supporting reliable cross-system data flows. • Developed backend components for an LLM-powered RAG solution using Claude, LangChain, and Pinecone to enable semantic search across loan policies and internal documentation.

Built automated Python ETL pipelines for aggregating sales and product data from external APIs, implementing resumable synchronization workflows for reliable internal analytics. • Refactored MongoDB schemas for product and sales datasets, accelerating query execution and reducing data retrieval time by ~20%. • Delivered Django REST APIs exposing sales metrics and product insights to internal dashboards; reduced response time by ~20–25% through query optimization. • Designed Django REST APIs and backend workflows for product and sales data management, improving consistency of operational data and supporting internal reporting and analytics applications. • Investigated and resolved data synchronization issues across external integrations using Python, Celery, and Redis, improving reliability of recurring product and sales update processes.

• Developed REST APIs for loan and transaction workflows using Django REST Framework, reducing response time from ~900ms to ~200ms for services handling 10K+ requests/min. • Tuned PostgreSQL queries and applied Redis caching, cutting query execution time by ~50–60% and stabilizing performance under concurrent load. • Orchestrated payment processing workflows with retry and fallback across multiple gateways, ensuring reliable data flow, traceability, and improved transaction success rate from ~92% to ~97–98%. • Coordinated asynchronous payment and reconciliation workflows using Celery, Redis, and PostgreSQL, improving transaction traceability and supporting reliable execution across financial systems. • Developed React.js and Redux-based payment screens, integrating Django REST APIs to streamline financial transaction workflows and improve application usability.

Project: Enterprise Client Management & Automation Platform Technical Environment: Python, Django, Django REST Framework, HTML5, CSS3, JavaScript, Bootstrap, PostgreSQL, MySQL, Git, Postman, Agile/Scrum, JIRA • Designed and developed full-stack applications using Python/Django for backend and HTML, CSS, Bootstrap, JavaScript for frontend. • Built and consumed RESTful APIs for client-server communication and third-party integrations. • Implemented authentication, authorization, and secure data management practices. • Optimized database models and queries using PostgreSQL/MySQL. • Participated in Agile/Scrum ceremonies with UI/UX, QA, and product teams. • Tested backend APIs using Postman and maintained version control via Git. Key Achievements: • Reduced manual client data processing time by over 40%. • Optimized API design and frontend components to improve performance and user experience. • Automated routine client workflows, enhancing team efficiency.

Project: Internal Client Management & Reporting Application Technical Environment: Python, Django, Flask, Django REST Framework, PostgreSQL, MySQL, HTML5, CSS3, Bootstrap, JavaScript, Git, Postman, Agile/Scrum • Developed backend services using Python/Django/Flask and implemented REST APIs. • Designed dynamic frontend interfaces using HTML, CSS, Bootstrap, and JavaScript. • Created and optimized database models in PostgreSQL/MySQL. • Integrated third-party APIs and developed internal automation scripts. • Collaborated in Agile/Scrum environment for feature delivery. • Tested APIs and backend modules using Postman. Key Achievements: • Automated reporting workflows, reducing manual processing by ~30%. • Improved frontend responsiveness and overall user experience.