ECM Selection
Mathematical Software Engineer
Job Description
Salary: £60,000 - 100,000 per year
Requirements:- We need an excellent academic background in mathematics with a 1st or 2.1 STEM degree from a very highly ranked university (Russell Group or equivalent).
- We need a relevant MSc or PhD in combinatorics, optimisation, or a similar subject.
- We need demonstrably strong coding skills in Java, modern OO C++, or possibly C#.
- We need a good grasp of software engineering practice, including version control and code reviews.
- Commercial coding experience would be valued, though it is not essential.
- We develop highly mathematical code in Java to implement algorithms used to model and optimise complex industrial processes and logistics.
- We simulate factors such as resource dependencies and scheduling interactions.
- We build software whose outputs enable substantial savings in time and costs for the end customer.
- We design, implement, and debug Java software.
- We work in large and complex codebases while applying software engineering best practice.
- C#
- Java
- HTTP
More:
We are based in central London and develop a mathematical toolkit used by clients worldwide to solve complex numerical optimisation problems. Our unique software tackles real-world challenges in the energy sector, enabling more streamlined and efficient operations. You would join a small but expanding team of engineers in a pleasant office location within easy reach of transport hubs and excellent amenities, with room for your career to develop as the company grows.
last updated 36 week of 2026
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About ECM Selection
ECM Selection
London
IT
Skills & Technologies
Inferred from job description
Salary Insight
£80,000
This role
£60,000
UK median
This salary is 33% above the UK median for Software Engineers (£60,000/yr).
Based on 2024–2025 UK technology sector benchmarks