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Sachin Patil - .Net developer

[email protected]

Location: Austin, Texas, USA

Relocation: Yes

Visa: H1B

Resume file: Sachin -Senior DOT NET Full Stack - Backend Engineer - M_1791818486218.docx Please check the file(s) for viruses. Files are checked manually and then made available for download.

PROFESSIONAL SUMMARY SACHIN Email: [email protected] Mobile Number : 281-697-8001 Senior Platform / Backend Engineer with 12+ years of software engineering experience delivering secure enterprise platforms, .NET Core / ASP.NET Core microservices, IAM solutions, event-driven services, and cloud-native applications. Hands-on experience with GitLab CI/CD, Docker, Kubernetes/KOB, Helm, PCF/OpenShift, AWS services, Kafka, MongoDB, structured logging, OpenTelemetry, automated testing, vulnerability remediation, and production support. Also experienced in production-oriented Generative AI and Retrieval-Augmented Generation (RAG) solutions using Python, FastAPI, PostgreSQL/pgvector, LangGraph, embeddings, and enterprise LLM integrations, with emphasis on secure deployment, reliability, evaluation, and operational readiness. TECHNICAL SKILLS AI / GenAI: Retrieval-Augmented Generation (RAG), prompt engineering, grounded responses with source citations, OpenAI SDK, enterprise LLM integration, LangGraph, tool/function calling AI Retrieval & Vector Search: PostgreSQL/pgvector, embeddings, HNSW/cosine similarity, semantic + keyword retrieval, Reciprocal Rank Fusion (RRF), basic re-ranking and evaluation AI Backend & Data Pipelines: Python 3.13, FastAPI, Pydantic, Confluence ingestion, BeautifulSoup parsing, chunking, metadata enrichment, embedding generation, pytest Backend & Enterprise Integration: .NET Core, ASP.NET Core, C#, Python/FastAPI, TypeScript/Node.js, RESTful APIs, SOAP, WCF, Web API, microservices, Kafka, RabbitMQ, OAuth-secured service integration Identity & Security: IAM, OAuth 2.0, OpenID Connect (OIDC), SAML 2.0, SSO, SCIM, JWT/JWKS validation, scope-based authorization, PKI, TLS 1.2, CSRF/XSRF Cloud & Platform Engineering: AWS (Lambda, API Gateway, ALB, Secrets Manager, EC2, S3, SES, CloudFront, EBS), Docker, Kubernetes/KOB, OpenShift, PCF, PKS, Helm, GitLab CI/CD, containerized deployment, automated build/test/release pipelines Data & Messaging: MongoDB, PostgreSQL, pgvector, MS SQL Server, Kafka, RabbitMQ, ADO.NET, Entity Framework, LINQ Frontend: TypeScript, JavaScript, React, Micro Frontend Architecture, Webpack Module Federation, Angular, HTML5, CSS3, jQuery Platform Reliability & Delivery: Agile/Scrum, SDLC, reusable CI/CD workflows, automated testing, structured logging, OpenTelemetry, health checks, resilience patterns, vulnerability remediation, production support, code review, technical design, AI-assisted Spec-Driven Development (SDD) Keywords: csharp continuous integration continuous deployment artificial intelligence javascript sthree microsoft mississippi