Software Engineer | Python | Modelling

TieTalent; London; Hybrid; GBP 65,000 - 90,000; Full time

Job summary

A leading tech firm in London is seeking a Software Engineer (Python) for a 3-year programme. Responsibilities include optimizing predictive models, building scalable services, and contributing to a digital twin platform. Candidates should have strong Python experience and exposure to C++. The role is hybrid with an emphasis on real-world infrastructure impact.

Qualifications

• Strong commercial experience in Python engineering.
• Exposure to C++, especially in simulation or high-performance systems.
• Proven track record working closely with data scientists.
• Background in simulation-heavy domains (e.g. finance, energy, transport).
• Experience with Kafka or distributed messaging is highly desirable.
• Systems thinker — interested in how predictive models drive real-world infrastructure impact.

Responsibilities

• Work with data science teams to optimise predictive models.
• Build robust, scalable services in Python.
• Contribute to the development of a digital twin platform.
• 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.

Skills

Python engineering

C++

Data science collaboration

Kafka

Real-time data streaming

Tools

Kafka

Job description

Overview

Software Engineer (Python) – 3 year programme | Inside IR35 | Hybrid

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 / Qualifications

• 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

Details

• Inside IR35
• Location: London (2 days per week in central London)
• Start: ASAP
• Contract: 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.