Job Description

At Flexciton, we work with high-tech factories built with investments worth hundreds of millions of dollars, producing advanced chips at the atomic level. It can take up to nine months to fabricate these cutting-edge products.


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.

Job Summary

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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.

Key Responsibilities

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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. Provide technical guidance to junior team members and contribute to knowledge sharing within the team. Participate in technical roadmap discussions and contribute to strategic decisions around our optimisation technology. Collaborate with cross-functional teams to translate complex manufacturing requirements into algorithmic solutions.

Required Experience

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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. Good communication skills with ability to explain complex technical concepts clearly. Ability to balance mathematical rigour with pragmatic software delivery in fast-paced environments.

The following are a plus but not required:

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. Experience with cloud-native architectures and scalable distributed systems.

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. If you're ready to shape the future of an industry that powers global innovation, we'd love to hear from you.

Benefits

Competitive salary based on skills and experience Stock Options so when we make it big - so do you! L&D Opportunities We are determined to continuously develop ourselves, our company and our teams. We have a 500 training allowance for every employee. We also have our mini library where we keep adding books every week. 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 Quarterly team activity or dinner . 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

Why join us

Welcome to Flexciton, where innovation meets impact! We're not just a startup; 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.


We're not stopping here. We're scaling up, fast. We've been recognised globally as one of the most disruptive companies, and our potential is limitless. Our strength lies in our people - in a space where ideas flow freely, and every voice, including yours, can shape the future.


What we do matters. The factories we optimise create the technology that defines our world, from healthcare breakthroughs to cutting-edge communication devices. Join us, and you're not just joining a team; you're becoming a part of progress, a force that's transforming industries and leaving a mark on the world.


At Flexciton, your passion, your ideas, and your hard work don't just contribute; they drive us forward. There has never been a more exciting time to be a part of our story. 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. We wholeheartedly embrace equal employment opportunities and believe in making our recruitment process accessible to all. Your unique abilities and perspectives are valued here. If you require any accommodations due to a disability or specific needs, please don't hesitate to inform us. Your comfort and success are our priority. Welcome to a place where everyone belongs.