Lead Developer; Python, React & AWS

Position: Lead Developer (Python, React & AWS)

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 will work directly with a Technical Principal, client stakeholders, and a cross‑functional Agile team.

Base Pay Range

$10,000.00/yr - $72,600.00/yr

Responsibilities Architecture & Technical Leadership

• Design and implement scalable backend architecture for AI‑assisted content generation workflows.
• Build and optimize LLM integration layers with a focus on prompt engineering, context management, and token efficiency.
• Collaborate with the 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 stand‑ups, 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 with hands‑on experience using OpenAI, Anthropic, or AWS Bedrock APIs.
• Proven experience with prompt engineering, context window management, RAG systems, and AI cost optimization.
• Strong backend development skills in Python, API design, database architecture, and distributed systems.
• Deep expertise in designing and building systems on AWS (Lambda, ECS, RDS, S3, Cloud Watch, etc.).
• Experience with Agile/Scrum methodologies and iterative development practices.
• Pair programming experience and comfort working synchronously with developers.
• Ability to task‑switch rapidly and reprioritize in fast‑moving, high‑stakes environments.
• Excellent English communication skills.

Skills & Tools

• Languages:
  
  Python, React, Go, Type Script/Node.js.
• AI/LLM:
  OpenAI API, AWS Bedrock, Lang Chain, semantic search, vector databases.
• Cloud: AWS services (Lambda, ECS, RDS, Dynamo
  
  DB, S3, API Gateway, Cloud Watch).
• Infrastructure:
  Terraform or Cloud Formation, Docker, CI/CD pipelines.
• Databases:
  Postgre
  
  SQL, Dynamo
  
  DB, Redis, or similar.
• APIs: RESTful design, Graph
  
  QL, Web Socket 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

• 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.

Location

Callao, Constitutional Province of Callao, Peru

Seniority Level

Mid‑Senior level

Employment Type

Full‑time

Industries

Non‑profit Organizations and Primary and Secondary Education

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