Senior Software Engineer AI (Contractor)

The role

This person will design, build, and operate production-quality agentic applications and MCP tool interfaces. They will also integrate agentic development into CI/CD pipelines and provide technical leadership to engineering teams.

What you will do

• Design, build, and operate production-quality agentic applications using agentic SDKs/harnesses
• Design Model Context Protocol (MCP) tool and resource interfaces
• Engineer prompts for reliable structured output and build evaluation frameworks
• Manage context across long documents, multi-turn conversations, and multi-agent handoffs
• Configure and extend Codex/Claude Code for team-wide use
• Integrate agentic development into CI/CD pipelines
• Build and maintain MCP server integrations
• Identify high-value opportunities for AI-assisted development
• Partner with engineering teams to understand workflows and opportunities
• Rapidly prototype and validate new AI capabilities

Required qualifications

• 6+ years of professional software engineering experience, including significant hands-on work building and operating AI/LLM-powered or agentic applications
• Strong programming skills (Java, Python, Go, Rust, or C++)
• Solid engineering fundamentals — API design, testing, debugging, code review, maintainable code
• Practical, production-grade experience with agentic SDKs/harnesses, MCP, and LLMs
• Experience designing MCP tool/resource interfaces and reasoning about tool selection, error handling, and reliability in multi-agent systems
• Demonstrated experience integrating AI into CI/CD and developer workflows
• Ability to work in ambiguous problem spaces, evaluate tradeoffs, and make pragmatic engineering decisions
• Strong written and verbal communication skills, with experience mentoring and leading through influence
• Build and maintain an engineering knowledge base for agentic workflows

Nice to have

• Demonstrated expertise across agentic architecture, MCP integration, Codex/Claude Code configuration, prompt engineering, and context management
• Experience building multi-agent research or customer support systems, or structured data extraction pipelines
• Experience with AWS, Docker, Kubernetes, Terraform, and GitOps in support of AI/agentic infrastructure
• Familiarity with vector databases, embeddings, and AI evaluation frameworks
• Contributions to open-source projects involving AI, agentic systems, or developer tooling
• Strong systems thinking
• A track record of adapting quickly to new AI tools, models, and frameworks

Before you apply

• Sony Interactive Entertainment conducts background checks at the offer stage for all new employees

About the company

Sony Interactive Entertainment (SIE) is the company behind the PlayStation brand and a subsidiary of Sony Group Corporation. It is a dynamic technology company and an entertainment leader.