Kapil S.

I am Kapil Saini, a Backend and Cloud Engineer with over 5 years of experience designing, building, and deploying scalable, cloud-native, and microservices-based applications. My work focuses on developing high-performance backend systems, integrating AI-driven solutions, and optimizing cloud infrastructure for cost efficiency, scalability, and reliability. Over the years, I’ve collaborated with startups, mid-sized teams, and enterprise clients to design systems that handle millions of requests per day—always emphasizing clean architecture, automation, and long-term maintainability. Core Skills and Expertise: Backend Development: Django, Flask, FastAPI, Node.js (Express), RESTful APIs, GraphQL Programming Languages: Python, JavaScript/TypeScript, Go (Golang), Bash scripting Microservices Architecture: Distributed systems, asynchronous task queues (Celery, Redis), service discovery, monitoring, logging, and fault tolerance Cloud Platforms: AWS: Lambda, ECS/Fargate, API Gateway, SQS, Batch, CloudWatch, IAM, S3, RDS, DynamoDB, Step Functions Google Cloud Platform: Cloud Run, Cloud Functions, Pub/Sub, Cloud SQL, Cloud Storage, Monitoring, Logging Containerization & CI/CD: Docker, Docker Compose, Kubernetes, Helm, GitHub Actions, GitLab CI/CD, Jenkins, ArgoCD Search & Data: Elasticsearch, PostgreSQL, MySQL, MongoDB, Redis, DynamoDB, Firebase AI & Automation: Chatbot development, conversational AI workflows, LLM integration (OpenAI, LangChain), data processing pipelines, workflow automation Monitoring & Observability: Prometheus, Grafana, ELK Stack, CloudWatch Metrics, Sentry, Datadog System Design & Architecture: API design, event-driven systems, pub/sub messaging, caching strategies, fault tolerance, scalability optimization Testing & Code Quality: Pytest, Unittest, Postman/Newman, API contract testing, linting, pre-commit automation What I Deliver: Scalable and maintainable backend APIs for enterprise-grade and SaaS applications Cloud-native architectures that are optimized for cost, scalability, and reliability End-to-end CI/CD pipelines and DevOps automation for seamless deployment AI integrations and automation pipelines to streamline workflows and enhance user experience Migration of monolithic systems to microservices with minimal downtime Secure, production-ready APIs with robust authentication, authorization, and monitoring I’m passionate about designing systems that scale effortlessly, writing maintainable code, and creating automated infrastructures that let businesses focus on growth instead of operations. Whether you need backend development from scratch, cloud infrastructure setup, or integration of AI-powered automation, I can help you build solutions that are reliable, efficient, and future-proof. Let’s collaborate to turn your technical challenges into scalable, production-ready solutions.