Fullstack AI Backend Developer (Python + React)

At Devsu we are looking for an experienced AI Backend Developer who can architect and build an innovative AI-powered RPG content creation platform for a major publishing client. This is a high-impact, fast-paced project where you'll work directly with a Technical Principal, client stakeholders, and a cross-functional Agile team.

This role requires someone who can move quickly, make smart architectural decisions under pressure, work collaboratively in pair programming sessions, and balance technical excellence with pragmatic delivery. You'll be building the core AI engine and backend infrastructure that powers complex, stateful content workflows.

Work remotely from anywhere in Latam!

Requirements

Responsibilities:

• Design and develop backend services leveraging RAG architectures to deliver intelligent, context-aware responses.
• Build and maintain integrations with Azure AI Search and Azure OpenAI, optimizing query performance, relevance, and scalability.
• Develop Python-based APIs and microservices to support AI workflows and connect with the Drupal + React frontend.
• Collaborate with frontend and DevOps teams to ensure smooth deployment and integration of AI services.
• Implement monitoring, logging, and performance tuning for AI pipelines.
• Maintain security best practices for data handling, authentication, and API usage.
• Research and recommend new AI tools, frameworks, and methodologies to enhance system capabilities.

Qualifications:

• 3+ years of software engineering experience building production web applications
• Deep expertise in AI/LLM development - hands-on experience building applications with OpenAI, Anthropic, or AWS Bedrock APIs
• Proven experience with prompt engineering, context window management, RAG systems, and AI cost optimization
• Strong backend development skills – Python, API design, database architecture, distributed systems
• Deep expertise in designing and building systems on AWS - Lambda, ECS, RDS, S3, CloudWatch, etc.
• Experience with Agile/Scrum methodologies and iterative development practices
• Pair programming experience - comfortable working synchronously with other developers
• Ability to task-switch rapidly and reprioritize in fast-moving, high-stakes environments
• Excellent communication skills - can explain complex technical concepts to non-technical stakeholders

Skills & Tools

• Languages: Python, React, Go, TypeScript/Node.js
• AI/LLM: OpenAI API, AWS Bedrock, LangChain, semantic search, vector databases
• Cloud: AWS services (Lambda, ECS, RDS, DynamoDB, S3, API Gateway, CloudWatch)
• Infrastructure: Terraform or CloudFormation, Docker, CI/CD pipelines
• Databases: PostgreSQL, DynamoDB, Redis, or similar
• APIs: RESTful design, GraphQL, WebSocket connections
• Testing: Unit testing, integration testing, test automation frameworks

Benefits

At Devsu, we believe in creating an environment where you can thrive both personally and professionally. By joining our team, you'll enjoy:

• A stable, long-term contract with opportunities for professional growth
• Private health insurance
• A remote culture that promotes work-life balance
• Ongoing training, mentoring, and learning programs to keep you at the forefront of the industry
• Free access to AI training resources and cutting-edge AI tools to enhance your daily work
• A flexible paid time off (PTO) policy and paid holidays
• Challenging, world-class software projects for clients in the U.S. and Latin America
• Collaboration with some of the most talented software engineers in Latin America and the U.S., in a diverse work environment

Join Devsu and discover a workplace that values your growth, supports your well-being, and empowers you to make a global impact.