Principal AI Engineer – Distributed Systems, Intelligent Platforms

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Calliere Group

WebsiteLinkedInAll Job Openings

1 - 10 employees

Founded 2008

🤝 B2B

🎯 Recruiter

B2B • Recruitment • IT Recruitment

Calliere Group is a boutique organization that specializes in executive search, talent acquisition, and advisory services, primarily focused on the technology and professional services sectors. With a team composed of experts with Fortune 500 experience, they provide tailored and collaborative solutions designed to align organizational needs with top-level talent, ensuring outstanding business outcomes for their clients.

📋 Description

• Build and own backend services in Python and Node.js, architect serverless compute layers, and develop the APIs that tie frontend experiences to the underlying data and logic. • Contribute to sophisticated workflow engines; state machines, asynchronous event pipelines, and reliable retry/failure patterns across distributed services. • Design and evolve RESTful interfaces, integrate third-party and internal systems, and leverage advanced NoSQL data modeling techniques (composite key strategies, transactional operations) to keep things fast and correct under load. • Monitor, debug, and continuously improve system observability and deployment reliability on cloud-native infrastructure. • Collaborate across time zones, contribute meaningfully in code reviews, take end-to-end ownership of features, and help shape how the team works, not just what it ships.

🎯 Requirements

• At least 6 years of experience building production software professionally • Deep hands-on experience with Python and Node.js • AWS production experience: Lambda, DynamoDB, S3, SQS, EventBridge, Step Functions • Advanced NoSQL data modeling; composite key design, transactional writes, scalable single-table patterns • LLM engineering experience: tool/function calling, prompt construction, multi-agent coordination, vector search, embedding pipelines, retrieval-augmented generation (RAG) • Full-stack development capability with frontend integration experience • Strong unit testing discipline and maintainable test strategies • Container-based deployment experience (Docker) • Solid RESTful API design fundamentals