Part-Time Senior Advisor - Un-Habitat Project Consultant

United Nations; Buenos Aires; Presencial; ARS 1.800.000 - 3.000.000; Jornada completa

Descripción de la vacante

United Nations in Buenos Aires is seeking a dynamic Backend Developer with strong Python experience to build scalable backend services and APIs for our core applications.

You will integrate third-party services via REST/GraphQL, work with MongoDB, DynamoDB, PostgreSQL, and MySQL, and explore AI-powered tooling to accelerate development and MVP creation.

Excellent English skills required; 4+ years of Python development and hands-on AWS (Lambda, API Gateway) experience are expected.

Formación

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

Responsabilidades

• 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).
• Suggest and experiment with AI-based tooling for rapid development and MVP creation.
• Bring fresh ideas and pragmatic solutions to enhance the backend architecture and development pipeline.

Conocimientos

Python

NoSQL databases

Relational databases

API integrations

English proficiency

Herramientas

MongoDB

DynamoDB

PostgreSQL

MySQL

REST

GraphQL

AWS

Descripción del empleo

We are seeking a dynamic, street-smart Backend Developer with strong Python experience and a passion for problem-solving using modern AI tools and approaches. This role is ideal for someone who can think critically, move fast, and contribute to building scalable backend systems, while also suggesting innovative and efficient solutions to help us achieve MVPs quickly.

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.

Technical Requirements

Must Have

• More than 4 years ofexperience in Python development.
• Experience with NoSQL databases (e.g., MongoDB, DynamoDB).
• Proficiency in Relational Databases (e.g., PostgreSQL, MySQL).
• Experience with API integrations using REST and/or GraphQL.
• Strong communication skills in English (Advanced/Bilingual).

Nice to Have

• Experience with Node.js and/or Java.
• Familiarity with AWS services, especially Lambda and API Gateway.
• Awareness or hands-on experience with Machine Learning, Agentic AI, or similar emerging technologies.
• Experience using AI-powered code generation tools to enhance development speed and MVP creation.