Vikas K.
Repura, India
Backend Engineer | Javascript, Python, RoR, AWS, Node, MongoDB, Stripe
$30.00/hr
I am a BACKEND ENGINEER with strong experience in building scalable, cloud-based applications using JavaScript, Python, Ruby, AWS, NodeJS, MongoDB, Stripe, Twilio, OpenAI, iElevenLabs and more.
Over the past few years, I have led the development of backend systems for web and mobile apps, including a social media platform MVP where I designed and implemented serverless architecture using AWS Lambda, API Gateway, S3, and DynamoDB. This allowed the platform to scale smoothly and stay cost-effective.
My core strength lies in designing RESTful APIs, setting up database structures, and writing clean, efficient code that performs well even under high traffic. I regularly work with MongoDB and have a solid understanding of database design, indexing, and query optimization. I also have hands-on experience in authentication systems, role-based access control, and integrating third-party APIs.
I enjoy solving complex problems and making backend systems faster, more secure, and easier to maintain. I’m comfortable working independently or with cross-functional teams, and I often collaborate with frontend developers to ensure the entire application works smoothly from end to end. While my main focus is backend, I also have experience with React, which helps me understand how backend and frontend connect.
If you're looking for someone who can take ownership of backend development, set up reliable cloud infrastructure, and deliver robust and well-documented APIs — I’d love to help.
Work history
Work history
React Front-End Developer + Firebase/Next.JS/Tailwind
Apr 11, 2023
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Apr 12, 2024
Private earnings
API Enhancements
Jan 23, 2023
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Mar 30, 2023
Private earnings
Expert Backend Engineer | TypeScript | Serverless | AWS - Lambda, API Gateway, Cognito, Cloudwatch
Sep 13, 2022
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Feb 14, 2023
Private earnings
AWS serverless engineer to build API
Aug 31, 2022
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Feb 14, 2023
Private earnings
Full Stack Web App Development LH
Oct 3, 2022
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Jan 13, 2023
This feedback has been removed
Private earnings
Remote Back End Engineer
Sep 2, 2022
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Dec 20, 2022
"Good guy, trustworthy."
Private earnings
Experienced Dev to Refactor and Oversee New Features fro tracking system
Mar 25, 2021
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Dec 1, 2022
"Vikas was a great leader and coordinator of his team, and was an invaliable part of the team for two years. An experienced developer and good communicator."
Private earnings
Engineer proficient in next.js and node/AWS Lambda
Aug 26, 2022
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Nov 17, 2022
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Looking for a Strong Python/AWS Lambda Engineer
Aug 4, 2022
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Aug 16, 2022
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MongoDB experts to review technical MCQs & provide feedback
Feb 25, 2022
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Mar 10, 2022
"High quality work!"
Private earnings
GraphQL Software Architect (AWS Lambda Experience)
Apr 15, 2025
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Present
Job in progress
Private earnings
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Skills
Skills
- PostgreSQL
- Node.js
- MongoDB
- Amazon Web Services
- JavaScript
- Python
- TypeScript
- Serverless Stack
- Stripe
- API
- Next.js