About Us Axiomatic AI is building a new class of AI systems designed to reason with the rigor of the scientific method. By combining deep learning with formal logic and physics-based modeling, we create verifiable, interpretable AI systems that collaborate with and support human researchers in high-stakes scientific and engineering workflows.

Our mission, 30×30 , is to deliver a 30× improvement in the speed, accessibility, and cost of semiconductor and photonic hardware development by 2030.

We aim to revolutionize hardware design and simulation in these industries and are building a team of highly motivated professionals to bring these innovations from research into commercial products.

Position Overview As a Research Software Engineer specialized in scientific computing systems, you will build and scale the computational backbone of our scientific tools: accelerating simulation and optimization workloads, enabling robust distributed execution, and ensuring correctness and reproducibility across numerical pipelines. You will work at the intersection of numerical computing, performance engineering, and platform reliability to bring research-grade methods into production. Close collaboration with our cross-functional team, consisting of AI Engineers, Software Engineers, Mathematicians, and Physicists, will be essential to deliver tools that transform how engineers and scientists use AI in their day-to-day work.

Your Mission

• Scalable Scientific Computing: Build performant, reliable systems for simulation, inference, optimization, and uncertainty quantification workflows, especially for electromagnetic simulation and inverse design.
• Performance Optimization: Profile and optimize performance in end-to-end pipelines (CPU/GPU).
• Distributed Execution & HPC: Design and maintain distributed compute infrastructure for large sweeps and multi-run experiments (multi-GPU/multi-node), focusing on reproducibility, observability, and developer ergonomics.
• Verification & QA: Implement rigorous testing and verification practices for scientific computing pipelines (numerical regression, invariants, convergence tests, golden datasets), ensuring trustworthy results over time.

Key Requirements

• Master’s degree in Computer Science, Data Science, Artificial Intelligence, Physics or related field.
• 2+ years of relevant industry experience as a software engineer; experience in scientific computing, HPC, ML infrastructure, or performance engineering strongly preferred.
• Expert-level proficiency in Python.
• Strong track record building and shipping complex systems where correctness, performance, and reliability are first-class concerns.

Nice To Have

• Strong proficiency in relevant scientific computing ecosystems (JAX/XLA, Julia, C++/CUDA, MPI, …).
• Experience writing custom kernels or optimizing XLA/JAX pipelines; familiarity with profiling tools.
• Experience designing QA frameworks for scientific/ML systems (numerical regression, dataset versioning, KPI dashboards).
• Experience building, operating, or integrating distributed systems for compute-heavy workloads (e.g., job schedulers, multi-node training/simulation, or large-scale batch pipelines).
• Contributions to open-source scientific computing or ML infrastructure projects.

What We Offer

• Competitive compensation
• Stock Options Plan: Empowering you to share in our success and growth.
• Cutting-Edge Tools: Access to state-of-the-art tools and collaborative opportunities with leading experts in artificial intelligence, physics, hardware and electronic design automation.
• Work-Life Balance: Flexible work arrangements in one of our offices with potential options for remote work.
• Professional Growth: Opportunities to attend industry conferences, present research findings, and engage with the global AI research community.
• Impact-Driven Culture: Join a passionate team focused on solving some of the most challenging problems at the intersection of AI and hardware.

Work model & location expectations:

• Team work model: Hybrid (2-3 days/week)
• Primary location: Barcelona, Spain / Boston, US

Why join us? At Axiomatic_AI, you will be working on technology that drives innovation in AI for scientific and engineering applications in line with our 30 x 30 mission. This is your opportunity to contribute to the development of new AI architectures that can reason coherently and produce interpretable and verifiable solutions. Consequently, see those ideas commercialized into products that will shape the future of hardware and computing, while collaborating with a global team of engineers and AI specialists. We believe in pushing the boundaries of what is possible and continuously seek to redefine the intersection of AI, with focus on formal consistency. If you're ready to take your expertise in artificial intelligence and physics to the next level, we want to hear from you!

Worried about not meeting every qualification? Studies show that women and people of color are less likely to apply for jobs unless they meet every listed requirement. At Axiomatic-AI, we are dedicated to creating a diverse, inclusive, and authentic workplace. If this role excites you but your background doesn’t perfectly match every qualification, we still encourage you to apply. You could be the perfect fit for this position or another opportunity with us.