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Vivekananthan isn't taking new orders for this project right now. Here are some similar projects to explore.

You will get a scalable backed REST API in NodeJS/Django/Flask

Vivekananthan A.Status: Offline
Vivekananthan A.
5.0
Top Rated
Preview image

Let a pro handle the details

Buy Web Application Programming services from Vivekananthan, priced and ready to go.
Vivekananthan A.Status: Offline
Vivekananthan A.
5.0
Top Rated
Preview image

Let a pro handle the details

Buy Web Application Programming services from Vivekananthan, priced and ready to go.

Project details

I have 4+ years of experience in building scalable and realtime backend for web applications. I have work experience at Amazon, Oracle, multiple startups. I have also worked as a CTO for 3+ years. I can build backend using NodeJS, Django, MySQL, Postgres, MongoDB, DynamoDB, Serverless (AWS Lambda).



Skills & Experiences:

Designing and Developing Scalable realtime backend applications using Nodejs, GraphQL, Django, Flask, AWS Lambda
5+ years of experience in designing databases and optimising for performance - MySQL, Postgres, MongoDB, DynamoDB, RDS, Redshift, S3
Working experience in Big Data, Hive, HQL
Automation tools like Apache Airflow
Kafka, AWS Kinesis, SQS
Nginx, Apache, Gunicorn, Docker
Amazon Web Services, DigitalOcean, Azure, Google Cloud


If interested, please ping me.



Thanks,

Vivek
Programming Languages
JavaScript, Python, TypeScript
Coding Expertise
Performance Optimization, Security, W3C Markup Validation Service

What's included $250

These options are included with the project scope.

$250
  • Delivery Time 7 days
  • Number of Revisions Unlimited
  • Number of Pages 10
    • Source Code
5.0
11 reviews
100% Complete
(11)
1% Complete
(0)
1% Complete
(0)
1% Complete
(0)
1% Complete
(0)

EM

Eva M.
5.00
Nov 6, 2025
Senior Engineer / Fractional CTO (Oversight → Future CTO)

DF

Dov F.
5.00
Aug 14, 2025
Back end developer (NodeJS/Express, AWS, Linux) It was great working with Vivek, he'll be a great asset to your team!

DF

Dov F.
5.00
Jul 22, 2025
Back end developer (NodeJS/Express, AWS, Linux) Vivek is extremely professional, efficient and dedicated.

DF

Dov F.
5.00
Jan 1, 2024
Back end developer (NodeJS/Express, AWS, Linux)

CH

Chris H.
5.00
Jul 8, 2022
Serverless developer for stock watchlist app
Vivekananthan A.Status: Offline

About Vivekananthan

Vivekananthan A.Status: Offline
AI Systems Engineer | Backend Architect | Founding Engineer
100% Job Success
5.0  (11 reviews)
Bengaluru, India - 12:40 pm local time
I build production AI agent systems using LangGraph, RAG pipelines, and scalable backend infrastructure. $800K+ earned on Upwork, 100% Job Success, former Amazon SDE, and Founding Engineer with a track record of architecting systems that process millions of real-time events.

I help founders and engineering teams design, build, and scale AI products from MVP to production. Whether you need AI agents, modern backend architecture, cloud infrastructure, or technical leadership, I focus on building reliable, maintainable systems that are ready for real users—not just prototypes.

What I Can Help You Build
✅ AI Applications & Agent Systems
- AI Agents & Agentic Workflows
- LangGraph
- PydanticAI
- LangChain
- Langfuse
- RAG Pipelines
- Knowledge Graphs (Neo4j)
- OpenAI & Claude Integrations
- MCP Integrations
- AI Automation Platforms
- LLM Evaluation & Optimization

✅ Backend & Platform Engineering
- Python (FastAPI, Django, Flask)
- Node.js / TypeScript
- NestJS
- REST APIs & GraphQL
- Event-Driven Systems
- Microservices
- Distributed Systems
- High-Performance APIs

✅ Cloud & Infrastructure
- AWS (Lambda, ECS, API Gateway)
- PostgreSQL
- DynamoDB
- Redis
- Docker
- Kubernetes
- Terraform
- CI/CD Pipelines

✅ System Architecture & Technical Leadership
- Founding Engineer
- Fractional CTO
- Technical Architecture
- System Design
- Engineering Leadership
- Code Reviews & Mentorship
- Product & Technical Strategy

Selected Experience
LegacyLeap
Built an enterprise AI migration platform that automated dependency analysis, migration planning, and code generation for Oracle, SSIS, and SQL Server applications using PydanticAI, Langfuse, Neo4j Knowledge Graphs, FastAPI, and agent-driven workflows.

Jiritsu Network
Built distributed infrastructure and secure smart contract systems across Solana and EVM ecosystems, including verifiable computation frameworks and decentralized proof validation.

Fanlytiks
Led a team of 10 engineers and architected a real-time analytics platform processing 1M+ live user interactions, designing scalable event pipelines and cloud infrastructure.

Pixto
Co-founded and built a SaaS platform for photographers, developing large-scale cloud-based image processing pipelines, subscription systems, and backend infrastructure.

Amazon
Built large-scale marketing automation and distributed data processing systems using Java, Spark, Hive, and AWS.

Why Clients Hire Me
- 10+ years of software engineering experience
- $800K+ earned on Upwork with a 100% Job Success Score
- Top Rated Plus freelancer
- Former Amazon Software Engineer
- Founding Engineer & Fractional CTO experience
- Strong expertise across AI, backend engineering, cloud infrastructure, and system architecture
- Comfortable contributing as an individual engineer, technical lead, or engineering advisor

Whether you're building an AI startup, launching a SaaS platform, modernizing enterprise software, or need a senior engineer to lead backend and AI architecture, I'd be happy to discuss how I can help.

Steps for completing your project

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Delivery time starts when Vivekananthan receives requirements from you.

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Revisions may occur after the delivery date.

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