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Senior Modelling Engineer

ImprobableLondon, United KingdomOnsite

At Kallikor, we’re redefining the future of supply chains and automation by building immersive, world-scale synthetic environments. Leveraging the latest in AI, gaming, and open-source technologies, we empower businesses to continuously optimise, plan, and respond dynamically by providing a digital representation of their entire operations. Through advanced digital twins and enterprise metaverses, our platform allows companies to visualise, analyse, explore, and experiment with their supply chain environments, enabling smarter, faster decisions that drive real-world impact.
At Kallikor, you’ll work alongside individuals who strive for excellence in all they do and are driven to uplift and challenge those around them. We’re motivated by solving complex problems, aiming to achieve transformative change in the industrial landscape. Our roots lie in cutting-edge technology and strategic innovation, originally developed for the gaming, entertainment, and defence sectors. Learn more about our mission at kallikor.ai.We are seeking a Senior Model Engineer to join our friendly, relaxed and inclusive team.

You’ll be developing and implementing models and simulations used in our digital twins. Our models typically encode real-life systems and behaviours, allowing users to analyse performance and test different scenarios. This role is open to candidates from a wide range of technical backgrounds who have a passion for problem-solving and a desire to work in a collaborative and supportive environment. You'll have the chance to work alongside a multidisciplinary team of scientists, modellers, and software engineers who collaborate closely with our product owners and customers to take modelling to the next level.

Your Opportunity:


  • Developing and implementing algorithms which result in plausible modelling behaviour
  • Productionising prototype models developed by our applied scientists
  • Building pipelines to extract, synthesise and integrate data from various sources, making it available to simulation engines and user interfaces
  • Building tooling that enables model developers to do their work quicker and better
  • Profiling and improving the performance of models so that we can reach new levels of speed and scale
  • Working cross-functionally across Kallikor to support adjacent projects where required

Why you're made for this:


  • A strong scientific and engineering mindset, software engineering experience, and a desire to resolve complex technical problems and systems-level requirements
  • Prior experience applying model and data engineering to solve customer problems
  • Experience with mathematical modelling paradigms (e.g. systems dynamics, event-based modelling, agent-based modelling) and associated simulation tools
  • Skilled in Python including the more advanced features of the language and software engineering design patterns
  • Professional experience with tools and libraries for modelling, data analysis and scientific computing (e.g. NumPy, Pandas, SciPy)
  • Naturally pragmatic, balancing fast-moving project requirements with quality and good practices
  • Ability to think holistically about every aspect of software development, including testing, documentation, security and performance
  • Track record of sharing knowledge with and learning from others, and actively mentoring colleagues to improve their skills.

While we think the above experience could be important, we’re keen to hear from people that believe they have valuable experience to bring to the role. If you identify with the team and mission, but not all of our requirements, then please still apply. About UsKallikor is determined to foster an environment where people can do their best work and feel like they belong. We believe a healthy culture, strong values and contribution from a diverse range of individuals will help us to achieve success.We do not discriminate based on race, ethnicity, gender, ancestry, national origin, religion, sex, sexual orientation, gender identity, age disability, veteran status, genetic information, marital status or any other legally protected status.

Life at Improbable

Improbable is dedicated to building powerful technology designed to help solve previously impossible problems and enable the creation of new realities. In gaming and entertainment, Improbable unlocks truly next-generation gameplay through virtual worlds of unprecedented scale, persistence and richness. In other industries, we hope to help answer critical questions through simulations that could lead to a better functioning world. Our platform, SpatialOS, lets developers transcend the limits of regular computation, allowing swarms of servers running in the cloud to cooperate in order to simulate worlds far larger and more complex than any single server could. We are a British technology company proudly building a diverse workforce, driven by a shared desire to improve and achieve extraordinary things. We're crafting technology for the future and fostering a problem-solving culture that embraces innovation through iteration and experimentation.
Thrive Here & What We Value1. Flexibility and autonomy2. Emphasis on diversity, inclusion, and belonging3. Healthy culture4. No discrimination based on protected status5. Contribution from a diverse range of individuals6. Collaborative teamwork7. Proactivity and open communication8. Quick delivery over perfection

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