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Added 31 mins ago
Senior Full Stack Developer, Agentic Engineering
FullBloom
Statewide, PA
This role is hired to build agent-first. The Senior Full-Stack Developer, Agentic Engineer is a founding member of a small, new engineering squad building the next generation of…
Added 44 mins ago
Associate Software Engineer
Highmark Health
Jefferson City, MO
…and the technical execution of products using the technical stack that best meets the needs of the platform. The incumbent, and team, will be involved in every aspect as a part of the…
Added 54 mins ago
Senior Director Analyst - Services GTM and AI Transformation
Gartner
Remote, United States
…practices for a broad range of world-leading organizations. As a Senior Director in the Tech CEO Research Practice, you will serve as a trusted advisor to small and midsize technology…
Added 1 hour ago
TT
Senior Full Stack Engineer
True Talent Solutions Partners
Boston, MA
- $185,000 to $210,000 USD / year
- Six to ten years of full stack engineering experience, including experience leading projects or mentoring engineers.
Added 2 hours ago
Senior Product Engineer, Internal Tools
CALPAK
Gardena, CA
Strong full-stack engineering experience with TypeScript, Next.js, PostgreSQL, SQL, and API integrations.
Added 2 hours ago
Senior Full Stack Engineer
Foresight Works Ltd
NY · New York, NY
We're looking for a Senior Full Stack Engineer to help build the core platform and product of Foresight.
Added 2 hours ago
Senior Full Stack Engineer
Foresight Works Ltd
San Francisco, CA
We're looking for a Senior Full Stack Engineer to help build the core platform and product of Foresight.
Added 2 hours ago
Applied AI Engineer
Foresight Works Ltd
NY · New York, NY
Work alongside Full Stack engineers to help them turn new models into production features customers rely on.
Added 2 hours ago
Applied AI Engineer
Foresight Works Ltd
San Francisco, CA
Work alongside Full Stack engineers to help them turn new models into production features customers rely on.
Added 2 hours ago
Senior Data Engineer
Foresight Works Ltd
NY · New York, NY
Partner with ML engineers on the features and datasets their models need, and with full stack engineers on the data behind each product feature.
Added 2 hours ago
Senior Data Engineer
Foresight Works Ltd
San Francisco, CA
Partner with ML engineers on the features and datasets their models need, and with full stack engineers on the data behind each product feature.
Added 2 hours ago
Associate Full Stack Developer
Intercontinental Exchange (ICE)
Jacksonville, FL
We are seeking a Full Stack Developer I to join our innovative development team. In this role, you will contribute to building and modernizing the applications at the core of our mortgage…
Added 2 hours ago
TT
Mid/Senior Full Stack AI Engineer
True Talent Solutions Partners
San Francisco, CA
- $180,000 to $250,000 USD / year
- Three to eight years of full-stack product engineering experience, including at least three years building and shipping full-stack products or features.
Added 2 hours ago
M
Senior Software Engineer
Microsoft
WA · GA · Redmond, WA · Atlanta, GA · Redmond · Atlanta
- $119,800 to $261,000 USD / year
Experience in full stack software engineering with UX design experience.
Added 3 hours ago
Software Development Engineer, DevX LIFT
Amazon
Raleigh, NC
Are you a developer advocate? A builder passionate about incredible software? Are you committed to quality, agility, predictability, and consistency? How about having a great time designing…
Added 3 hours ago
Senior Design Engineer
Divergent
Torrance, CA
Solid understanding of common manufacturing and assembly methods, GD&T, and tolerance/stack-up analysis.
Added 4 hours ago
Staff Software Architect
CVS Health
Concord, NH
…the Clinical Insights Engine team at CVS Health. This is a senior individual contributor role with enterprise-wide influence. You will define the long-term software and systems architecture…
Added 4 hours ago
Java Full Stack Developer (Senior/Lead)
Cognizant
Plano, TX
As a Java Full Stack Developer (Senior/Lead), you will make an impact by designing, building, and scaling API-first, cloud-native applications and integrations using modern Java, AWS,…
Added 5 hours ago
Senior Account Manager – Digital Health Accounts
NVIDIA USA
Remote, United States
…in the Digital Health ISV, Provider, and Payer space. This full-time position involves collaborating closely with NVIDIA solution architects, business development leaders, and developer…
Added 5 hours ago
TT
Founding Senior Engineer
True Talent Solutions Partners
New York, NY
- $175,000 to $225,000 USD / year
- Own full-stack development of the growth engine, with a focus on backend systems and infrastructure.
Added 5 hours ago
T
Lead Java Practice Architect
TEKsystems
Hanover, MD
- $160,000 to $225,000 USD / year
Full stack solution design capability across frontend, backend, integration, and data layers, with depth in at least one area
Added 6 hours ago
Senior Backend Cloud Engineer
Halcyon
Remote, United States
…and resilience. As part of that vision, we’re looking for a Senior Backend Engineer to join our cloud team. You’ll lead the development and evolution of our data platform and API services,…
Added 6 hours ago
Digital Retail/Senior Retail Media Manager
Skai
Seattle, WA
Amazon and Walmart, full stack (search and DSP). Hands-on across Sponsored Products, Sponsored Brands, Sponsored Display, Amazon DSP, Walmart Connect sponsored search and Walmart DSP, plus…
Added 6 hours ago
Digital Retail/Senior Retail Media Manager
Skai
los angeles, CA
Amazon and Walmart, full stack (search and DSP). Hands-on across Sponsored Products, Sponsored Brands, Sponsored Display, Amazon DSP, Walmart Connect sponsored search and Walmart DSP, plus…
Added 6 hours ago
Senior Member of Technical Staff, Product Engineering
Pallet
NY · San Francisco, CA
Full ownership from idea to deployment, building for enterprise logistics clients at scale

Closed listing

Sony Interactive Entertainment (SIE)

Senior Software Engineer AI (Contractor)

Aliso Viejo, CA, United States

This opening has closed.

The original listing is kept below for reference.

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Job details

Experience: 6+ years of professional software engineering experience, including significant hands-on work building and operating AI/LLM-powered or agentic applications.
Posting language: English
Posted: Nov 6, 2026

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Original job description

Archived listing. The details below describe a past opening.

Why Sony Interactive Entertainment? Sony Interactive Entertainment isn’t just the Best Place to Play - it’s also the Best Place to Work. Sony Interactive Entertainment (SIE) is the company behind the PlayStation brand. As a subsidiary of Sony Group Corporation, we’re part of a proud legacy of innovation and excellence. SIE is a dynamic technology company, delivering cutting-edge hardware and network services to more than 100 million people and an entertainment leader, home to some of the most beloved and recognizable intellectual properties (IP) in the world. Our role at SIE is to create and nurture the experiences under the PlayStation brand, a name synonymous with entertainment excellence and creativity.

Agentic & AI Engineering

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Design, build, and operate production-quality agentic applications using agentic SDKs/harnesses - including multi-agent orchestration, subagent delegation, tool integration, and lifecycle hooks.
Design Model Context Protocol (MCP) tool and resource interfaces that give coding agents/harnesses safe, reliable access to backend systems and enterprise data.
Engineer prompts for reliable structured output (JSON schemas, few-shot examples, validation/retry loops) and build evaluation frameworks to measure and improve output quality.
Manage context effectively across long documents, multi-turn conversations, and multi-agent handoffs; design escalation and human-in-the-loop patterns for production reliability.

Developer Productivity

•

Configure and extend Codex/Claude Code for team-wide use: 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, tuned 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 design reusable capabilities that multiple teams can adopt, not just one-off solutions.

Discovery, Prototyping & Production Delivery

•

Partner directly 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 take successful prototypes into secure, observable, maintainable production systems.
Own the full lifecycle: implementation, testing, deployment, monitoring, and iteration.

Technical Leadership

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Provide hands-on technical leadership through 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 both technical and non-technical stakeholders.
Contribute to engineering standards, reusable patterns, and documentation that help other teams build effectively with agentic development tools.

Requirements

•

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++) and solid engineering fundamentals - API design, testing, debugging, code review, maintainable code.
Practical, production-grade experience with agentic SDKs/harnesses, MCP, and LLMs - tool use, orchestration, RAG, context management, structured output, and evaluation.
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, including content ingestion, organization, updates, and retrieval. Connect it to agents through RAG and MCP so they can use trusted, current information with source citations.

Preferred Qualifications

•

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 - understands how models, agents, tools, context, APIs, data, and infrastructure fit together as production systems, and can reason about dependencies and tradeoffs across the stack.
A track record of adapting quickly to new AI tools, models, and frameworks as the space evolves.

Please note, Sony Interactive Entertainment conducts background checks at the offer stage for all new employees (which may include criminal background checks for some roles) and will need to process personal information to support these checks. Please refer to our Candidate Privacy Notice (where applicable) for more information about what personal information we collect, how we use it, who we share it with, and your data protection rights.

Equal Opportunity Statement:

Sony is an Equal Opportunity Employer. All persons will receive consideration for employment without regard to gender (including gender identity, gender expression and gender reassignment), race (including colour, nationality, ethnic or national origin), religion or belief, marital or civil partnership status, disability, age, sexual orientation, pregnancy, maternity or parental status, trade union membership or membership in any other legally protected category. We strive to create an inclusive environment, empower employees and embrace diversity. We encourage everyone to respond. Sony Interactive Entertainment is a Fair Chance employer and qualified applicants with arrest and conviction records will be considered for employment.

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