Developer Jobs in Aliso Viejo, CA

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Senior Software Engineer - AI & Agentic Architecture

Sony Interactive Entertainment Aliso Viejo, CA

Aliso Viejo, CA

Today

$177k - $266k/yr Full time Backend Developer Senior Agentic Ai

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Job Description

Work as a senior individual contributor designing and shipping production agentic systems, developer tooling, and reusable platform capabilities.

Responsibilities

Design, build, and operate production-quality agentic applications using agentic SDKs/harnesses, including multi-agent orchestration, subagent delegation, tool integration, and lifecycle hooks
Define Model Context Protocol (MCP) tool and resource interfaces to provide coding agents/harnesses safe, reliable access to backend systems and enterprise data
Engineer prompts for reliable structured output using JSON schemas, few-shot examples, and validation/retry loops; build evaluation frameworks to improve output quality
Manage context across long documents, multi-turn conversations, and multi-agent handoffs; design escalation and human-in-the-loop patterns for production reliability
Configure and extend Codex/Claude Code for team-wide use, including AGENTS.md/CLAUDE.md hierarchies, custom slash commands, Agent Skills, path-specific rules, and plan mode
Integrate agentic development into CI/CD pipelines for automated code review, test generation, and PR feedback, with tuning to minimize false positives and duplicate findings
Build and maintain MCP server integrations (project- and user-scoped) that extend agent-native development capabilities across engineering workflows
Identify high-value opportunities for AI-assisted development and create reusable capabilities that multiple teams can adopt
Partner with engineering teams to understand workflows, pain points, and opportunities through hands-on discovery
Rapidly prototype and validate new AI capabilities with real users, then transition successful prototypes into secure, observable, maintainable production systems
Own the full lifecycle: implementation, testing, deployment, monitoring, and iteration
Provide hands-on technical leadership via architecture discussions, code reviews, and troubleshooting of agentic systems
Mentor engineers on agentic design patterns, prompt engineering, and agent-native development practices
Communicate tradeoffs, risks, and results clearly to technical and non-technical stakeholders
Contribute to engineering standards, reusable patterns, and documentation to help other teams build with agentic development tools

Requirements

6+ years of professional software engineering experience, including substantial hands-on work building and operating AI/LLM-powered or agentic applications
Strong programming skills in Java, Python, Go, Rust, or C++ and solid engineering fundamentals (API design, testing, debugging, code review, maintainable code)
Production-grade experience with agentic SDKs/harnesses, MCP, and LLMs including tool use, orchestration, RAG, context management, structured output, and evaluation
Experience designing MCP tool/resource interfaces, including tool selection reasoning, error handling, and reliability in multi-agent systems
Proven experience integrating AI into CI/CD and developer workflows
Ability to work in ambiguous problem spaces and make pragmatic engineering decisions after evaluating tradeoffs
Strong written and verbal communication skills, with experience mentoring and leading through influence

Technologies

Java, Python, Go, Rust, C++
Model Context Protocol (MCP)
Codex/Claude Code, AGENTS.md, CLAUDE.md
JSON schemas
CI/CD
RAG, LLMs
AWS, Docker, Kubernetes, Terraform, GitOps
Vector databases, embeddings

Benefits

Medical, dental, vision
Matching 401(k)
Paid time off
Wellness program
Employee discounts for Sony products
Eligible for a bonus package

Preferred Qualifications

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 for 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 across models, agents, tools, context, APIs, data, and infrastructure, including reasoning about dependencies and tradeoffs
Track record of quickly adapting to new AI tools, models, and frameworks

Location

Aliso Viejo, CA, United States (onsite)
United States, Aliso Viejo, CA

Compensation

USD 177,300 - 265,900 per year
Base pay range: $177,300 - $265,900 USD

Job ID

R-125588

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