Senior Software Engineer - (Optimisation/Operations Research) Engineering London (London)

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At Flexciton, we work with high-tech factories built with investments worth hundreds of millions of dollars, producing advanced chips at the atomic level. We are proud to be the only SaaS product in the world that plans and schedules production in high-tech semiconductor fabs, using complex algorithms in real-time, all from our London office.
Our technology consistently delivers the best production schedules, and leading companies like Seagate trust Flexciton to run their production 24/7. With operations across the US, Europe, and expansion into Asia, we are on a path to realise our vision for the Autonomous Factory.
We're seeking a Software Engineer with optimisation skills to join our tight-knit software development team. Working towards our common goal of automating and optimising decision-making across the chipmaking industry, you will develop sophisticated decision-making models and algorithms within our SaaS platform that serves some of the world's most advanced factories. As a senior team member, you'll solve complex optimisation challenges, contribute to technical decisions, and help guide junior colleagues while delivering solutions that directly impact global semiconductor production.
Design and implement advanced optimisation solutions for complex semiconductor scheduling and planning problems across our app suite.
Research and develop cutting-edge optimisation methodologies including advanced Mixed Integer Linear Programming (MILP), constraint programming, and metaheuristic approaches.
Develop sophisticated heuristic search algorithms and discrete event simulation models for large-scale manufacturing environments.
Work closely with customer-facing teams to deploy and trial solutions live in some of the world's most advanced semiconductor fabrication plants.
Establish performance benchmarks and analytics to characterise and improve the quality of optimisation approaches.
Collaborate with cross-functional teams to translate complex manufacturing requirements into algorithmic solutions.
University degree in computer science, operations research, engineering, mathematics, physics or related field.
~2+ years of relevant experience in optimisation engineering or real-world operational research, with strong expertise in solving combinatorial problems.
~ Experience delivering optimisation solutions in production software environments.
~ Strong proficiency in Python and object-oriented programming, with understanding of software engineering best practices.
~ Ability to balance mathematical rigour with pragmatic software delivery in fast-paced environments.

Advanced experience with commercial solvers like CPLEX, Gurobi, FICO, including solver tuning and custom callback development.
Expertise in exact and heuristic optimisation methods including LP, MILP, constraint programming, and metaheuristics.
Domain expertise in scheduling and planning for manufacturing, logistics, energy or similar complex operational environments.
Experience with Rust or other systems programming languages.
Above all, we are looking for an engineer who combines deep optimisation expertise with the curiosity and drive to solve the most challenging problems in semiconductor manufacturing. Competitive salary based on skills and experience
~ We have a 500 training allowance for every employee. We want to be able to create as many opportunities for our teams' growth .
~ Hybrid working model of 3 days in the office (Monday, Tuesdays and Fridays) and 2 days working from home.
~ Breakfasts and Snacks Our office is stocked with snacks, drinks, fruits, cereal.
~ Monthly lunches in the office
~ Annual Team Trip Every year, we take our team to an annual retreat where we have strategy workshops, foster our culture and do lots of fun activities.
~ Additional day of holiday every year (up to 30 days) after two years of service.
~ Discounts with Charlie HR perks Get discounts on brands, cinema tickets, shopping, travel and many more!
~ Season Ticket Loan/Cycle to Work Scheme
~2 Weeks Work From Anywhere Policy

we're a powerhouse of creativity, at the forefront of revolutionising the semiconductor industry. Picture this: our software, crafted by brilliant minds like yours, is shaping the very devices you're using right now.
The factories we optimise create the technology that defines our world, from healthcare breakthroughs to cutting-edge communication devices. Join us, and let's create a future where your innovations don't just matter they inspire.
At Flexciton, we celebrate diversity and thrive in an inclusive atmosphere. If you require any accommodations due to a disability or specific needs, please don't hesitate to inform us.
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Location:
London
Job Type:
FullTime

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