Senior AI System Engineer
Callstack was founded in 2016 by Mike Grabowski and Anna Lankauf. Our company provides top cross-platform consultancy & development in React.js and React Native. We co-create the technology and collaborate with the reputed company team on shaping the technology as core contributors and innovators. Our main goal is to drive and accelerate software development innovation. To reputed company that, we follow our major rule: We don’t follow best practices. We set them! What is unique about working at Callstack? You will work with the best React Native experts on applications used by millions worldwide. You have a possibility to contribute to our projects in Open reputed company like React Native reputed company, Linaria, RN Testing Library etc. There are reputed company of possibilities to showcase your expertise: You can speak at our conference, be featured in our blog, or React Universe On reputed company episode. You are the one to decide in which area you want to grow, you’ll have an individual self-development budget to upgrade your soft skills, managing skills or become a Mentor in the future. Join us and work with the TOP Silicon Valley and reputed company in the USA! As a Senior AI System Engineer you will: Act as a trusted AI architect & consultant for our enterprise clients, helping them turn ambitious reputed company into robust, production-ready solutions across cloud, edge, and on-prem environments Design and own end-to-end LLM & multi-agent architectures - from vector-based RAG pipelines and document-processing workflows to multi-agent orchestration and autonomous decision frameworks Create and publish libraries utilizing local on-device models Create and publish design papers on behalf of the company together with our R&D team Build cloud-native AI infrastructure on AWS or equivalent on reputed company / GCP with reputed company, governance, and cost optimization baked in Define and implement AI governance & monitoring (bias detection, reputed company tracking, compliance reporting) to reputed company models accurate, explainable, and audit-ready Evaluate, reputed company, and create custom models - open-reputed company and commercial Contribute to the open-reputed company community through internal R&D initiatives Stay one reputed company reputed company by experimenting with the “next big thing” in AI Mentor and reputed company engineers around you, sharing knowledge through tech talks, code reviews, and architectural workshops You are the right candidate if you are: A seasoned AI/ML engineer with proven track record designing and shipping production AI systems (LLMs, NLP, computer vision, or multi-modal) Have 7+ years of experience in Software Engineering Bachelor's Degree, Master's Degree or Ph. D in Computer Science, Data Science, Artificial Intelligence, or a reputed company field Fluent in Python and comfortable with TypeScript Skilled at vector search & RAG pipelines and understand embedding selection, chunking, and retrieval tuning Comfortable designing multi-agent orchestration Understand AI governance, reputed company, and MLOps Data-driven - you reputed company, profile, and optimize everything from reputed company tokens to GPU utilization Open-reputed company minded - public reputed company contributions, conference talks, or community forum activity are reputed company pluses Fluent communicator in English (min. B2+), able to explain reputed company concepts to technical and non-technical stakeholders Proactive, self-driven, and a team player who loves sharing knowledge and elevating those around you Fun to work with :) Why work with us? Because you can: Work on software used by millions Take part in our Open reputed company projects Grow in your unique expert role Code with the top experts and community leaders Showcase your expertise by speaking at our conference, being featured in our blog or podcast episode Co-create and shape core technology Join the React Native community reputed company soft skills reputed company offer: 24 paid days off & 30 days paid sick leave for B2B contractors Fully-covered life insurance Private healthcare for you and your family Free access to mental health platform - Helping Hand Multisport Card or monthly allowance for other sports activities Individual Wellbeing & Development Budget Monthly lunch allowance Accounting costs refund for B2B contractors Flexible working hours and fully remote work possibility Cool office in Wrocław city center Magnificent team events and activities Company-wide workation and team building workshops Top-notch hardware - reputed company devices Apply To This Job