Senior AI & Engineering SaaS Engineer

Deloitte France

Costa Mesa (CA)

On-site

USD 122,000 - 241,000

Full time

12 days ago

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Job summary

Deloitte is seeking a Software Engineer III in AI & Engineering/Software as a Service to join our team, transforming technology platforms and delivering scalable, production-grade software. You will mentor engineers, architect full-stack and agentic AI solutions, and collaborate with product, design, DevOps, and QA to drive high-impact outcomes.

A successful candidate will have 5+ years in full-stack development, cloud experience (AWS/Azure/GCP), microservices, and hands-on leadership across

Qualifications

5+ years of consulting or industry experience in hands-on development and cross-border collaboration.
5+ years of full-stack development with a modern backend language (Python, Java, .NET/C#, Go, or Node.js) and a frontend framework.
4+ years building microservices and scalable APIs in a distributed enterprise environment.
Relational and/or NoSQL databases experience (PostgreSQL, MySQL, MongoDB, DynamoDB).
Cloud platforms (AWS, GCP, or Azure) and containers (Docker, Kubernetes).
Strong problem-solving, debugging, and performance optimization skills.
Experience leading delivery teams and coordinating across time zones.
Experience delivering software across Agile/SAFe/Kanban/waterfall-hybrid SDLCs.
Bachelor's degree in CS/Engineering or equivalent experience, travel up to 50% and potential limited immigration sponsorship.

Responsibilities

Architect, design, and implement scalable, reliable, and maintainable full-stack software systems and services.
Design and operationalize RESTful and asynchronous APIs on cloud-native infrastructure (AWS, Azure, or GCP), including containerized workloads, CI/CD pipelines, and infrastructure-as-code.
Lead end-to-end delivery of complex features from requirements gathering through deployment and monitoring.
Architect and deliver production-grade agentic AI and multi-agent applications using LangChain, LangGraph, AutoGen, CrewAI, or Semantic Kernel; design patterns for orchestrator-agent hierarchies, RAG pipelines, tool-calling agents, and context/memory management.
Conduct thorough code reviews, enforce coding standards, and champion engineering best practices.
Mentor and guide junior and mid-level engineers, fostering a culture of continuous learning and improvement.
Collaborate with cross-functional teams including Product, Design, DevOps, and QA to deliver high-quality software.
Identify technical debt and drive refactoring and improvement initiatives.
Participate in system design discussions, architecture reviews, and technical planning sessions.
Troubleshoot and resolve complex performance, scalability, and reliability issues in production systems.
Contribute to hiring processes including technical interviews and assessments.