You will get NodeJS, Python Backend using Serverless deployed on AWS, GC
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Project details
š TOP RATED PLUS Developer
š 21+ years of experience
š 120+ Successful Projects On Upwork.
š 4,000+ Upwork Hours
ā Senior AWS Expert, Backend Developer
Backend (Nodejs, PHP, Python, Express, Koa, Hapi)
I'll write efficient, low latency APIs for your backend system and deploy them on AWS Lambda, or any other cloud system. I'll write APIs using NodeJS and serverless framework.
I can also create APIs without using the serverless framework as well so you should be able to deploy them anywhere. I can help you with deployment as well wherever you want to deploy it.
I can help you with other AWS services like AWS API Gateway, SES, S3, SNS, Cognito, Transcoder, and other services of other Cloud platforms like Google Cloud, and Azure.
š 21+ years of experience
š 120+ Successful Projects On Upwork.
š 4,000+ Upwork Hours
ā Senior AWS Expert, Backend Developer
Backend (Nodejs, PHP, Python, Express, Koa, Hapi)
I'll write efficient, low latency APIs for your backend system and deploy them on AWS Lambda, or any other cloud system. I'll write APIs using NodeJS and serverless framework.
I can also create APIs without using the serverless framework as well so you should be able to deploy them anywhere. I can help you with deployment as well wherever you want to deploy it.
I can help you with other AWS services like AWS API Gateway, SES, S3, SNS, Cognito, Transcoder, and other services of other Cloud platforms like Google Cloud, and Azure.
Programming Languages
PHP, Python, TypeScriptCoding Expertise
Performance Optimization, Security, DesignWhat's included
| Service Tiers |
Starter
$250
|
Standard
$799
|
Advanced
$1,499
|
|---|---|---|---|
| Delivery Time | 2 days | 7 days | 14 days |
Number of Revisions | 2 | 5 | Unlimited |
Design Customization | - | - | - |
Content Upload | - | - | - |
Responsive Design | - | - | - |
Source Code |
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CY
Chris Y.
Feb 3, 2026
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Vijay is an all around great senior developer. He delivers quality work, on-time, and takes initiative to keep up with new solutions in the market that can improve our tech stack.
AT
Adam T.
Feb 4, 2025
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VG
Victor G.
Jan 21, 2025
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Vijay is really knowledgeable on AWS architecture as well as python, containerization and more technologies. He will find the way to complete the task and to improve the solution.
OM
Obaidul M.
Sep 18, 2024
Transfer files/Logs from Azure using Azure Event Hub
Vijay has done an excellent job. He is a highly committed and knowledgeable personal, very focused on his task. He completed his assigned project successfully and on time. I am fully satisfied on his work and would recommend him for your project.
PB
Paul B.
Sep 2, 2024
AWS IoT Core MQTT Data to Mongdo DB Through Lambda
Excellent to work with at short notice. Would strongly recommend to partner with Vijay
About Vijay
AWS DevOps | RAG | LLM | LangChain | AI/ML Expert
100%
Job Success
Kalol, IndiaĀ - 3:52 pm local time
š AWS Certified Developer Associate + Solutions Architect Associate
I build production AI systems on AWS ā not weekend demos that fail under real traffic.
Most AI engineers can prototype. I ship AI to production with the AWS reliability, security, and cost discipline that enterprise clients actually need.
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š¤ AI / GENERATIVE AI EXPERTISE
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āŖ AI Agents & Agentic Workflows ā LangChain, LangGraph, MCP (Model Context Protocol), CrewAI, multi-agent orchestration, tool use, ReAct patterns
āŖ RAG Systems ā Production-grade Retrieval-Augmented Generation with hybrid search, semantic search, re-ranking
āŖ LLM Integration ā OpenAI GPT-4/4o, Anthropic Claude (Opus, Sonnet, Haiku), Google Gemini, open-source (Llama, Mistral)
āŖ Vector Databases ā Pinecone, Chroma, pgvector, Milvus, Qdrant, Weaviate, FAISS
āŖ AI Automation ā Internal workflow automation with n8n, Zapier, Make, AWS Step Functions
āŖ Prompt Engineering ā Structured outputs, function calling, chain-of-thought, system prompts
āŖ AI Evaluation ā RAGAS, DeepEval, hallucination mitigation, LangSmith and LangFuse observability
āŖ AI Security ā Prompt injection defense, PII redaction, guardrails, HIPAA/GDPR-aligned AI design
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āļø AWS PRODUCTION DEPLOYMENT (My Edge)
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āŖ AI on AWS ā Amazon Bedrock, SageMaker, Lambda, ECS Fargate, EKS for scalable AI workloads
āŖ Serverless Architecture ā Lambda, API Gateway, AppSync, EventBridge, SQS, SNS, Step Functions
āŖ Storage & Data ā S3, DynamoDB, RDS (PostgreSQL with pgvector), Redshift, AWS Glue ETL
āŖ Networking & Security ā VPC, Route53 (failover), CloudFront, IAM (least-privilege), Cognito, KMS, ACM, Secrets Manager
āŖ Infrastructure as Code ā CloudFormation, AWS CDK (TypeScript), Terraform
āŖ CI/CD ā CodePipeline, CodeBuild, CodeDeploy, GitHub Actions, Jenkins
āŖ Containers ā Docker, Kubernetes (EKS), Helm, ECR
āŖ Observability ā CloudWatch, CloudTrail, X-Ray, structured logging
āŖ Cost Optimization ā Reserved Instances, Savings Plans, Lambda right-sizing, S3 lifecycle policies, multi-model routing
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š» BACKEND STACK
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āŖ Languages: Python (FastAPI, Django, Flask), Node.js, Go
āŖ APIs: REST, GraphQL, WebSocket, Server-Sent Events (streaming LLM responses)
āŖ Databases: PostgreSQL, MongoDB, MySQL, DynamoDB, Redis, pgvector
āŖ Architecture: Microservices, serverless, event-driven, async-first
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ā WHAT I'VE SHIPPED TO PRODUCTION
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ā RAG pipelines with evaluation loops, deployed on AWS Lambda + Bedrock
ā Multi-agent AI systems for business process automation
ā AI chatbots and document Q&A across healthcare and SaaS
ā Voice AI orchestrating LLMs + TTS + telephony at scale
ā Internal AI tools for sales, support, and operations workflows
ā Cost-optimized LLM systems (model routing, prompt caching, semantic caching)
ā HIPAA-aligned AI deployments with PII handling and audit trails
ā Data center to AWS migrations across Linux and Windows environments
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šÆ WHAT I BRING BEYOND THE CHECKLIST
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āŖ Builder's mindset ā I scope AI around business outcomes, not tech demos
āŖ Production discipline ā design for failure, observability, and reliability from day one
āŖ Architect's perspective ā trade-offs in cost, performance, and operational simplicity
āŖ End-to-end ownership ā architecture ā code ā deployment ā monitoring
āŖ Async communication ā clear English, US-time-zone overlap, no handoff confusion
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š INDUSTRIES
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Healthcare, FinTech, SaaS, MarTech, E-commerce, IoT, Pharma analytics
Steps for completing your project
After purchasing the project, send requirements so Vijay can start the project.
Delivery time starts when Vijay receives requirements from you.
Vijay works on your project following the steps below.
Revisions may occur after the delivery date.
Regular Meeting
I can provide the progress reports on regular basis. Can able to manage the Project Management tools.
Delivery
Provide the delivery with required handover documents