Senior Fullstack AI Engineer (React, Java)

Senior Fullstack AI Engineer (React, Java) Join TeamViewer in the US and help shape the future of digital workplaces through innovation and collaboration. Apply now TeamViewer provides a leading Digital Workplace platform that connects people with technology—enabling, improving and automating digital processes to make work work better. Our software solutions harness the power of AI and shape the future of digitalization. We believe that our diverse teams and strong company culture are key to the success of our products and technologies, that hundreds of millions of users around the world and around 645,000 customers across all industries rely on. With more than 1,900 employees worldwide, we celebrate the unique perspectives and talents that each individual brings to the table and foster a dynamic work environment where new ideas thrive. Are you ready to join our team and make an impact? At TeamViewer, we build technology that helps organizations connect people, devices, and digital workflows securely and efficiently. Our products help teams reduce friction, resolve issues faster, and make digital work more productive across complex IT environments. The AI for End-Users team is building TeamViewer Tia for end users, creating AI-powered experiences that help people understand, troubleshoot, and resolve technology issues with less effort. The team focuses on making advanced AI feel simple, trustworthy, and useful in everyday work. This work sits where user experience, enterprise security, device context, automation, and AI come together. The challenge is not only to create a helpful assistant, but to ensure it operates safely by using the right context, respecting policies, validating permissions, escalating when needed, and executing only appropriate actions. You will help create the services, interaction patterns, integrations, evaluation systems, and safety mechanisms that make AI assistance reliable in production. Join us if you want to shape how people interact with AI in the workplace and build end-user experiences that are secure, practical, and genuinely useful. Responsibilities Build Java backend services powering TeamViewer Tia for end users, from feature APIs to integration points with the wider platform. Design components where model-driven behavior meets deterministic business logic, keeping boundaries explicit, testable, and reliable. Use AI coding agents to deliver at pace while personally owning architecture decisions, code quality, security, and maintainability. Build automated test and evaluation coverage that allows generated changes to be merged safely without regressions. Optimize backend services for conversational and agentic product needs, including latency, cost, caching, streaming, and batching. Maintain shared context assets such as agent instructions, tool definitions, prompt templates, and domain documentation. Mentor engineers on agent-assisted development and help raise team standards for safe, effective AI-native engineering. Requirements 5+ years of professional software development experience, backed by strong Java expertise and solid software engineering fundamentals. Proven experience designing and building distributed, scalable backend systems, with a strong focus on clean code and object-oriented design. Hands-on experience integrating model-based or agentic capabilities into backend services, including streaming, tool calling, and structured outputs. Regular use of AI coding agents, combined with a critical review mindset and accountability for the correctness, security, and maintainability of delivered solutions. Ability to design and implement automated testing strategies robust enough to validate high volumes of generated code and prevent regressions. Strong understanding of common AI system failure modes, including hallucinations, context degradation, prompt injection, non-determinism, and silent regressions, along with effective mitigation approaches. A structured and analytical working style, excellent communication skills, fluency in English, and the ability to collaborate effectively with teams across EMEA. What we offer Competitive compensation and bonuses Flexible PTO and paid holidays 401(k) with employer matching Comprehensive Health insurance package including 100% employer-paid medical coverage Up to 12 weeks of Parental Leave Basic Life Insurance, Short-Term & Long-Term Disability, 100% employer-paid Quarterly teambuilding events, leadership luncheons, and companywide “All Hands” meetings Open door policy and business casual dress code We celebrate diversity as one of our core values. Join c-a-r-e and lead change initiatives together with us! Work location for this position is Austin, TX. TeamViewer is an equal opportunities employer and is committed to building an inclusive culture where everyone feels welcome and supported. We C-A-R-E and understand that our diverse, values-driven culture makes us stronger. As we continue to grow as a company, we also focus on enabling our employees to grow both personally and professionally. We are proud to have an open and embracing workplace environment that will empower you to be your best no matter your gender, civil or family status, sexual orientation, religion, age, disability, education level, or race. If you require any accommodations or adjustments during the application or hiring process, including interview or onboarding support, please reach out to your Talent Acquisition Partner, who will be happy to support you. Department Research & Development Locations Austin Remote status Hybrid Employment type Full-time Type of Job Non Student