Software Development Engineer - Cloud & LLM Integration

LALIT PATIL

Software Development Engineer (SDE)

Phone: +91-635*******

Email: ***************@*****.***

Location: Pune, Maharashtra, India

LinkedIn: linkedin.com/in/lalit-patil-a91141235

GitHub: github.com/lalitpatil02

SUMMARY

Software Development Engineer with 4 years of experience designing, developing, and deploying scalable, cloud-native web applications and RESTful APIs. Proficient in Python, Django, FastAPI, PostgreSQL, MongoDB, Docker, Kubernetes, AWS, and Azure. Experienced in integrating Large Language Models (LLMs) using LangChain and OpenAI API into production systems. Strong understanding of data structures, algorithms, object-oriented programming (OOP), microservices architecture, and distributed systems. Skilled in CI/CD pipelines, containerization, and agile software development methodology. Proven track record of delivering measurable impact: 60% reduction in processing time, 50% reduction in manual effort, and 30% improvement in application performance. Collaborative team player with experience in cross-functional agile teams. TECHNICAL SKILLS

Programming Languages: Python, JavaScript, SQL, Bash, HTML, CSS Backend Frameworks: Django, Django REST Framework (DRF), FastAPI, Flask, Celery Data Structures & Algorithms: Arrays, Linked Lists, Trees, Graphs, Sorting, Dynamic Programming Object-Oriented Programming: OOP, Design Patterns, SOLID Principles Artificial Intelligence: LangChain, OpenAI API, Anthropic Claude API, Retrieval-Augmented Generation (RAG), Vector Databases, Pinecone, ChromaDB, Weaviate, Embeddings, Prompt Engineering, AI Agent Development AI Developer Tools: Claude Code CLI, GitHub Copilot, LLM API Integration Databases: PostgreSQL, MySQL, MongoDB, Redis, SQLite, Firebase, NoSQL, Vector Databases Cloud Computing: Amazon Web Services (AWS): EC2, S3, Lambda, API Gateway, RDS, IAM, CloudWatch; Microsoft Azure: App Service, Blob Storage, Azure Functions DevOps & CI/CD: Docker, Kubernetes, GitHub Actions, GitLab CI/CD, Linux, Nginx, Gunicorn API Development: RESTful API Design, OAuth2, JWT, WebSockets, Webhooks, API Gateway, Firebase Authentication

Version Control: Git, GitHub, GitLab

Testing: Pytest, Unit Testing, Integration Testing, Test-Driven Development (TDD), Postman Tools & Methodologies: Agile, Scrum, SDLC, System Design, Microservices Architecture, Pandas, NumPy, Jira WORK EXPERIENCE

Software Engineer KISAN Forum Pvt. Ltd., Pune

May 2023 - February 2026

Technologies: Python, Django, Django REST Framework, FastAPI, PostgreSQL, MySQL, Redis, Celery, Docker, AWS, GitLab CI/CD, Firebase, WhatsApp API, OAuth2, JWT

• Designed and developed a scalable farmer ticket booking and gate entry verification system using RESTful APIs with online and offline validation, reducing gate entry processing time by 60% and eliminating manual bottlenecks at large-scale agricultural events.

• Implemented OAuth2 and JWT authentication with role-based access control (RBAC) and automated email notification workflows using Celery and SMTP, reducing manual effort by 50% while managing 10,000+ active user accounts in a production environment.

• Built a real-time Admin Dashboard with live sales analytics, visitor tracking, CSV bulk upload, and WhatsApp chatbot integration using WhatsApp Business API, reducing customer response time by 60%.

• Containerized the full application stack using Docker and orchestrated deployments via GitLab CI/CD pipelines; deployed cloud-native AWS serverless infrastructure using Lambda, S3, and API Gateway ensuring high availability and zero-downtime releases.

• Optimized PostgreSQL and MySQL database queries for high-volume read/write operations, improving overall application performance by 30% and ensuring system reliability under peak loads. Software Engineer Brawizz Pvt. Ltd., Pune

June 2022 - April 2023

Technologies: Python, Django, Django Channels, WebSockets, PostgreSQL, Docker, Git, JavaScript

• Architected and developed a production-grade real-time video and audio conferencing platform using Django Channels and WebSockets, supporting live participant moderation, in-session chat, and session scheduling for concurrent users.

• Implemented role-based access control (RBAC), secure authentication mechanisms, and comprehensive audit logging to meet compliance and administrative oversight requirements.

• Containerized the application using Docker for consistent development and production environments; reduced backend API latency through query optimization and asynchronous task handling.

• Collaborated in agile sprints, conducted peer code reviews, and maintained structured Git branching workflows (GitFlow) throughout the full software development lifecycle (SDLC). EDUCATION

Bachelor of Computer Applications (BCA)

June 2019 - May 2022

Veer Narmad South Gujarat University, Surat, India CGPA: 7.0 / 10.0

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