# Senior Python Backend Engineer

> Workana · Mexico (Remote) · Contract · Posted 2026-05-04

**Workplace:** remote

**Department:** Frenzy AI

## Description

Frenzy AI is building a next-generation personalization and search platform for e-commerce. We’re looking for a Senior Backend Engineer to help scale the Python backend powering live e-commerce experiences.

This is a backend-first role focused on scalability, search, API performance, and integrating machine learning workflows into production environments. The ideal candidate is senior, hands-on, self-driven, and comfortable working in a small team where ownership and fast learning are essential.

### **Responsibilities**

-   Build and scale backend APIs for live e-commerce use cases
-   Develop and improve backend functionality for search systems
-   Work on scalability, performance, reliability, and cost optimization
-   Improve API response times and server-side platform performance
-   Integrate machine learning workflows into backend production systems
-   Build and support backend components for search, personalization, and recommendation use cases
-   Work with technologies such as Python, Flask, MySQL, Redis, Elasticsearch, and AWS
-   Own features end-to-end, from design and development to deployment, monitoring, and support
-   Collaborate closely with the backend lead and broader team while taking responsibility for core backend work

## Requirements

-   Strong backend engineering experience with Python, ideally Flask or Django
-   Proven experience building production-grade REST APIs
-   Hands-on experience with MySQL and Redis
-   Strong experience with Elasticsearch
-   Practical experience with semantic search, relevance tuning, ranking, or recommendation systems
-   Strong experience with AWS; ECS experience is preferred
-   Experience with AWS data services such as Athena, DynamoDB, Firehose, and S3
-   Experience with GitHub workflows, CloudFormation, and CI/CD pipelines
-   Working knowledge of JavaScript and React
-   Proven experience operating high-scale, low-latency production systems
-   Experience working with large codebases or large applications at scale
-   Experience integrating AI/ML workflows into production environments
-   Ability to work independently, learn quickly, and contribute without heavy day-to-day hand-holding
-   Familiarity with Shopify APIs or the Shopify ecosystem is a plus, but not required

## Benefits

-   Remote role open to candidates across Latin America
-   Opportunity to work on a high-scale e-commerce personalization and search platform
-   Backend-first role with strong ownership over production systems
-   Work closely with a small team where your contributions can have direct impact
-   Exposure to search, recommendation systems, scalability, and AI/ML production workflows

## Apply

[Apply at Workana](https://apply.workable.com/workana-premium/j/9FB0EA971F/apply)

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