Profile cover photo
You're now following
Error following user.
This user does not allow users to follow them.
You are already following this user.
Your membership plan only allows 0 follows. Upgrade here.
Successfully unfollowed
Error unfollowing user.
You have successfully recommended
Error recommending user.
Something went wrong. Please refresh the page and try again.
Email successfully verified.
User Avatar
$25 USD / hour
Flag of INDIA
mahabubnagar, india
$25 USD / hour
It's currently 1:32 AM here
Joined October 22, 2014
0 Recommendations

Sai R.

@sairahulakarapu

0.0 (0 reviews)
0.0
0.0
0%
0%
$25 USD / hour
Flag of INDIA
mahabubnagar, india
$25 USD / hour
N/A
Jobs Completed
N/A
On Budget
N/A
On Time
N/A
Repeat Hire Rate

Backend Engineer

Hi I’m a backend developer using Golang, having experience of 3 years. I have built many products from scratch, starting from database design to Cloud architecture. I have a production experience on AWS with beanstalk, Lambda, SES, SNS, SQS, Kinesis, Cloudfront, Cloudwatch, API Gateway, Route53, and Cloudflare, and DIGITALOCEAN. Some of the backend APIs I built are 1. Wysh ([login to view URL]) - payment gateways, Twilio, analytics. 2. Gifskey ([login to view URL]) - 1B MAUs 3. [login to view URL] - Real-time data processing 4. Mocktrade ([login to view URL]) - Real-time data streaming using WebSocket. 5. [login to view URL] (Serverless API) Tools worked in - Backend - Golang - Database - MYSQL - MongoDB - Redis - DevOps - AWS EC2 - Lambda - RDS - S3 - SNS - SQS - SES - Athena - CloudFront - Route53 - Step Functions - DigitalOcean Droplets - Cloudflare - Docker - Nginx - Front end - Flutter - Angular - Teamwork - Github - Bitbucket I have a good understanding of enterprise architecture, and looking to expand my skills set and grow. I learn fast if the tech stack is new. If the software proposal is sound, I’ll build it to the best of my ability. If there is something I can assist you with please do not hesitate to contact me. I look forward to hearing from you. Let me know if you need any info.

Contact Sai R. about your job

Log in to discuss any details over chat.

Portfolio

8710363
5973798
5973796
8710363
5973798
5973796

Reviews

Changes saved
No reviews to see here!

Experience

Back End Developer

Gifskey
Jul 2018 - Present
- Migrated Gifskey backend from PHP to Golang. - Increased server capacity from 500 req/sec to 2500 req/sec with the same resources using Golang and Nginx. - Reduced multi-word search latency from 1000 msec to 200 msec by improvising SQL queries and database schema. - Introduced caching for most used words, thereby reducing latency to 50 msec. - Search and CDN logs parsing. - Used: Golang, SQL, Nginx, AWS Beanstalk/EC2, Aurora, CDN, Lambda

Backend Engineer

Wysh
Jul 2018 - Present
- Design and develop REST backend from scratch. - Payment services integration - Razorpay, PayTM, Stripe. - OTP validation using a time-based OTP framework in Golang. - Integrated Twilio and MSG91. - Social features like follows, shares, likes, comments. - Used: Golang, SQL, Nginx, AWS Beanstalk/EC2, Aurora, CDN, Lambda, S3, SQS, SNS, MediaConvert

Education

BSc. Computer Science + MSc. Biological Sciences

Birla Institute of Technology and Science, India 2013 - 2018
(5 years)

Contact Sai R. about your job

Log in to discuss any details over chat.

Verifications

Preferred Freelancer
Identity Verified
Payment Verified
Phone Verified
Email Verified
Facebook Connected
Previous User Next User
Invite sent successfully!
Thanks! We’ve emailed you a link to claim your free credit.
Something went wrong while sending your email. Please try again.
Registered Users Total Jobs Posted
Freelancer ® is a registered Trademark of Freelancer Technology Pty Limited (ACN 142 189 759)
Copyright © 2024 Freelancer Technology Pty Limited (ACN 142 189 759)
Loading preview
Permission granted for Geolocation.
Your login session has expired and you have been logged out. Please log in again.