Software Engineer | Python | Modelling

2 Days Old

Job Description

Software Engineer (Python) 
3 year programme | Inside IR35 | Hybrid 
Python | C++| Urban Digital Twins | Model Optimisation | Simulation Engineering | Kafka | Production ML 

SR2 is working with a global consultancy on a ground-breaking urban digital twins project for a major city modernising its infrastructure. With significant investment backing, this programme is looking at how to optimise everything from foot traffic and vehicle flow to energy consumption and city-wide systems performance.

We’re looking for a Software Engineer with strong Python skills and experience working alongside data scientists to optimise and productionise ML models. The core simulation engine is built in C++, so any experience with C++ in high-performance environments is a major plus.

Key Responsibilities:
  • Work with data science teams to optimise predictive models and deploy them at scale
  • Build robust, scalable services in Python, with performance-critical elements in C++
  • Contribute to the development of a digital twin platform to simulate and forecast city infrastructure outcomes
  • Collaborate across simulation, data, and software teams to turn prototypes into production-ready solutions
  • (Bonus) Integrate streaming data pipelines using Kafka to support real-time modelling
Experience:
  • Strong commercial experience in Python engineering
  • Exposure to C++, especially in simulation, modelling, or high-performance systems
  • Proven track record working closely with data scientists to bring models into production
  • Background in simulation-heavy domains (e.g. finance, oil & gas, energy, transport)
  • Experience with Kafka or distributed messaging systems is highly desirable
  • Systems thinker — interested in how predictive models drive real-world infrastructure impact
The Details:
  • Inside IR35
  • £600-650p/d
  • 2 days per week in central London 
  • Start: ASAP
  • 6 month rolling contracts 
  • 3 year programme of work 
If you're a software engineer who thrives on turning models into high-impact systems — and you’re excited by simulation, real-time data, and engineering for real-world infrastructure — please apply and Emma from SR2 will contact potential candidates regarding next steps.
Apply
Location:
London
Category:
Technology

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