> Markdown version of [/jobs/ext/4619279-developpeur-se-senior-e-senior-full-stack-developer-apex-legends](https://www.wearedevelopers.com/jobs/ext/4619279-developpeur-se-senior-e-senior-full-stack-developer-apex-legends). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Développeur.se sénior.e /Senior Full Stack Developer (Apex Legends) - **Company:** Respawn Entertainment, LLC - **Location:** Los Angeles, CA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** HTML, JavaScript (Programming Language), Application Programming Interfaces (APIs), Artificial Intelligence, Amazon Web Services, Automation of Tests, Microsoft Azure, C Sharp (Programming Language), C++ (Programming Language), Cascading Style Sheets (CSS), Code Review, Databases, Software Debugging, Software Design Patterns, Game Engine, Python (Programming Language), Node.Js, Open Source Technology, Perforce, OpenAI, Cloud Services, Web Application Frameworks, Apex Code, Multi-Agent Systems, Llamaindex, Gitlab, Git, Information Technology, Codebase, Restful APIs, Software Version Control, Programming Languages, Microservices - **Published:** November 7, 2026 - **Apply:** https://www.juju.com/job/28_25303_4c752c05877241fa23fd7bf310629a43 ## About the Role * 8+ years developing, building, deploying, and scaling enterprise-grade online applications supporting a game engine/live service * Familiarity with AI orchestration frameworks (e.g., LangChain, LlamaIndex), vector databases, and foundational models (OpenAI, Anthropic, open-source weights) * Strong proficiency in HTML, CSS, and JavaScript; experience with modern JavaScript frameworks is highly preferred * Solid understanding of at least one server-side programming language (e.g., Python, Node.js, C#) and RESTful API design. * C/C++ experience is highly preferred * Familiarity with UI workflows and UI authoring frameworks * Experience working in large, shared codebases * Deep understanding of system design, microservices architecture, design patterns, and scaling high-traffic systems * Experience with cloud services (AWS/Azure/GCP) * Good knowledge of at least one version control system (Git/Gitlab/Perforce) and CI/CD pipelines * Strong understanding of computer science foundations, * Familiarity with DCC tools * Shipped at least one AAA game on console or PC is highly preferred * Experience shipping and supporting a live service game * Experience with automated testing, or build systems ## Description Respawn is looking for a Senior Fullstack Developer, AI and Tools to build and design various tooling for Apex Legends game and to explore opportunities enabling AI automation driven workflow integrations within the tools. As a Senior Fullstack Developer, AI and Tools you will report to Lead Developer of our Shared Tools team and will work with content / technical / product directors and the tools development team to design, build and enable tools with AI. You will also partner with cross-disciplinary teams to deliver extendable tools that support content creation workflow and are performant and robust to support a live game., * Design and maintain tools and pipelines supporting a live game * Identify opportunities for AI tools integration, prototype integrations and architecture and develop AI enabled solutions * Connect models to internal tools, APIs, and databases to execute complex, multi-step agentic workflows * Own multi-disciplinary technical initiatives from design, user testing to release to internal customers * Optimize memory, CPU and performance of new and existing tools * Debug and resolve complex issues in a large scale codebase * Integrate platform and partner technologies into the game engine * Collaborate with content teams on feature development * Mentor developers through code reviews and technical guidance