Browse categories
Explore
Fiverr Pro
English
$
USD


I will build a production ready notification system in Go from scratch. I have already implemented: a 3 microservice notification system (email + sms + push). Your system will be fault-tolerant, scalable, and easy to maintain.
Senior Go Backend Engineer
Languages
What channels do you support?
Email (SMTP, SendGrid), SMS (Twilio), Push (Firebase, APNs), Telegram, Slack webhooks.
How is delivery ensured during a service outage?
Queues (RabbitMQ/Kafka/SQS) with persistence + dead-letter queue + retry with exponential backoff.
Is it possible to enable A/B testing?
Yes, I have integrated the A/B platform for marketing campaigns.