Senior Python Backend Engineer — AI-Driven, AWS

Oneseven Technology (Formerly 17 Web Dev); Rosario; Remote; ARS 1,500,000 - 2,600,000; Full time

Job summary

Oneseven Technology in Rosario, Argentina seeks a Backend Developer with strong Python experience to build scalable backend systems and contribute to MVPs using modern AI tools. You will develop and maintain APIs, integrate services via REST/GraphQL, and work with both NoSQL and relational databases.

The role emphasizes critical thinking, fast delivery, and pragmatic enhancement of backend architecture, with opportunities to explore AI-powered tooling and efficient development pipelines.

Qualifications

• 4+ years of Python development experience.
• Experience with NoSQL databases (MongoDB, DynamoDB).
• Proficiency with relational databases (PostgreSQL, MySQL).
• Experience with API integrations using REST and/or GraphQL.
• Strong English communication (Advanced/Bilingual).

Responsibilities

• Develop and maintain backend services and APIs for our core application.
• Integrate third-party services using REST and/or GraphQL.
• Work with NoSQL and relational databases, ensuring efficient data modeling and query performance.
• Collaborate with the team on deploying services to AWS (Lambda, API Gateway, etc.).
• Suggest and experiment with AI-based tooling for rapid development and smart code generation.
• Bring fresh ideas and pragmatic solutions to enhance the backend architecture and development pipeline.

Skills

Python

MongoDB

PostgreSQL/MySQL

REST/GraphQL

English (Advanced/Bilingual)

Tools

REST API

GraphQL

AWS (Lambda/API Gateway)

AI-powered tooling

Job description

Oneseven Technology in Rosario, Argentina seeks a Backend Developer with strong Python experience to build scalable backend systems and contribute to MVPs using modern AI tools. You will develop and maintain APIs, integrate services via REST/GraphQL, and work with both NoSQL and relational databases.

The role emphasizes critical thinking, fast delivery, and pragmatic enhancement of backend architecture, with opportunities to explore AI-powered tooling and efficient development pipelines.