Senior Fullstack Engineer (AI)

TL;DR

Senior Fullstack Engineer (Python/React): Designing and maintaining data-centric web applications and AI-driven PR insight tools with an accent on seamless front-end and back-end integration. Focus on building scalable API endpoints, creating reusable UI components, and leveraging LLMs via OpenAI and Claude APIs.

Location: Must be based in Brazil, Colombia, or Mexico (Remote-first)

Company

The world's largest communications firm, an independent family-run business focused on trust and AI-driven communication solutions.

What you will do

• Design, develop, and maintain data-centric web applications using React and Python/FastAPI.
• Create and enhance reusable UI components and scalable API endpoints.
• Ensure high code quality through unit testing, end-to-end testing, and manual verification.
• Collaborate with UX designers, data engineers, and account managers to align features with business requirements.
• Participate in architectural decision-making to ensure system reliability, scalability, and performance.
• Engage directly with clients to translate business requirements into technical solutions.

Requirements

• 5+ years of experience in full-stack web application development.
• Proficiency in TypeScript, React, and Python (FastAPI).
• Experience with databases and ORMs such as SQLAlchemy, Alembic, or Snowflake.
• Understanding of DevOps principles and AWS cloud infrastructure (ECS, Lambda, S3, DynamoDB).
• Fluent English communication skills for effective cross-team collaboration.
• Proven experience in client-facing roles, managing expectations for non-technical stakeholders.

Nice to have

• Familiarity with state management libraries like Redux or various chart libraries.
• Experience with Scrum or Agile methodologies.

Culture & Benefits

• Remote-first work environment.
• Collaborative and open culture where every team member's voice is valued.
• Strong commitment to diversity, equity, inclusion, and belonging (DEIB).
• Opportunity to work with cutting-edge AI technologies (OpenAI, Claude).
• Supportive environment focused on professional growth and ambitions.