Senior Software Architect

organization. Applied Mathematics & Statistical Modeling Translate business and domain problems into mathematical, statistical, and agentic models. Apply foundational techniques from linear algebra, optimization, numerical methods, statistics, causal inference to improve model robustness and performance. Guide teams in selecting appropriate modeling approaches, loss functions, evaluation metrics, and validation strategies. Deep Learning Design, develop, and deploy advanced deep learning models (e.g., transformers, state-space, diffusion models) Oversee the full model lifecycle, including experimentation, training, evaluation, deployment, and continuous improvement. Ensure models are production-ready, explainable where required, and aligned with business objectives. Model Optimization & Performance Engineering Optimize models and pipelines for speed, scalability, memory/compute efficiency, and accuracy. Apply techniques such as pruning, quantization, distributed training, and GPU/accelerator optimization. Collaborate with platform and infrastructure teams to maximize system-level performance. Technical Mentorship & Influence Act as a technical mentor and thought leader for AI engineers, AI scientists and software developers. Review designs, code, and models, providing guidance on architecture, quality, and maintainability. Elevate modeling maturity by promoting best practices in model design, algorithm development, coding, testing, and documentation. Strategy, Research & Innovation Evaluate, select, and evolve AI frameworks, libraries, tools, and cloud platforms. Stay current with cutting-edge research, industry trends, and emerging technologies in AI and applied mathematics. Drive innovation by identifying opportunities to apply advanced AI techniques to business challenges. What you will have Education Masters or Ph D in Computer Science, Applied Mathematics, Statistics, Physics, or a closely related quantitative discipline. Professional Experience 10+ years of overall software engineering experience. 5+ years of hands-on experience in applied mathematics, statistical modeling, and deep learning systems. Demonstrated experience architecting and deploying AI solutions in production environments. Deep Learning Expertise Strong experience designing, training, and deploying deep learning models using modern AI frameworks. Solid understanding of the full ML lifecycle, including experimentation, deployment, monitoring, and retraining. Experience working with large datasets and distributed or high-performance computing environments. Mathematics & Statistics Deep expertise in linear algebra, multivariate calculus, probability theory, optimization, statistical modeling and causal inference. Ability to reason formally about model behavior, convergence, and performance trade-offs. Programming & Engineering Skills Expert-level proficiency in Python, including state-of-the-art mathematical, statistical, ML and agentic libraries Strong software engineering fundamentals: data structures, algorithms, system design, and performance optimization. Experience with additional languages such as Scala, Kotlin or Rust is highly desirable. More about us… At o9, transparency and open communication are at the core of our culture. Collaboration thrives across all levels—hierarchy, distance, or function never limit innovation or teamwork. Beyond work, we encourage volunteering opportunities, social impact initiatives, and diverse cultural celebrations. With a $3.7 billion valuation and a global presence across Dallas, Amsterdam, Barcelona, Madrid, London, Paris, Tokyo, Seoul, and Munich, o9 is among the fastest-growing technology companies in the world. Through our aim10x vision, we are committed to AI-powered management, driving 10x improvements in enterprise decision-making. Our Enterprise Knowledge Graph enables businesses to anticipate risks, adapt to market shifts, and gain real-time visibility. By automating millions of decisions and reducing manual interventions by up to 90%, we empower enterprises to drive profitable growth, reduce inefficiencies, and create lasting value. o9 is an equal-opportunity employer that values diversity and inclusion. We welcome applicants from all backgrounds, ensuring a fair and unbiased hiring process. Join us as we continue our growth journey! We have a vision. Our Digital Brain, o9’s AI-powered platform, is being used by global enterprises to drive their digital transformations. The integrated planning and operational efficiencies we provide is helping businesses do more, be more and mean more to the world at large. Because businesses that plan better, reduce waste, creating value for themselves and the planet. But we also have a vision for our people. We want the most talented, committed and driven people to power our transformative approach. As an individual and in a team, your actions reflect our values. In return, we’ll provide a nurturing environment where you can be a part of something special.