Our client is seeking a Lead Developer to architect and build an innovative AI-powered RPG content creation platform for a major publishing company. 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.

Responsibilities

Architecture & Technical Leadership

Design and implement scalable backend architecture for AI-assisted content generation workflows
Build and optimize LLM integration layers with focus on prompt engineering, context management, and token efficiency
Collaborate with Technical Principal on system design and infrastructure decisions

AI & LLM Development

Integrate and optimize OpenAI GPT-4 and/or AWS Bedrock LLM APIs for content generation
Design prompt architectures that handle complex branching logic and narrative coherence
Build API metering and cost tracking systems to monitor token consumption and optimize unit economics
Develop versioning and state management systems for AI-generated content edits

Backend & Infrastructure

Build RESTful APIs and backend services on AWS infrastructure
Implement authentication, authorization, and data security best practices
Design database schemas and data persistence strategies for complex content structures
Set up CI/CD pipelines, monitoring, and logging infrastructure

Agile Collaboration & Delivery

Participate in daily pair programming sessions with other developers and designers
Lead technical discussions in daily standups, sprint planning, and retrospectives
Mentor junior developers and share knowledge with the broader team

Requirements

Core Experience

5+ 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 English communication skills

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

Nice to have

Experience building generative AI applications at production scale
Background in content management systems, publishing platforms, or creative tools
Familiarity with mobile backend development (iOS/Android)
Prior work with publishing, media, or RPG

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.

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