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Job Title


Senior Software Engineer London (London)


Company : Flexciton


Location : london, south east england


Created : 2025-08-10


Job Type : Full Time


Job Description

Senior Software EngineerAt 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. We generate more than 10,000 schedules daily to operate hundreds of multimillion-dollar semiconductor manufacturing equipment in photolithography, etching, metal deposition, and metrology.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 SummaryWe're seeking a Senior Software Engineer to drive complex technical initiatives and deliver high-quality solutions across our manufacturing automation platform. As an experienced individual contributor, you'll work independently on critical features, contribute to architectural decisions, and mentor junior team members while helping maintain our high engineering standards as we continue to scale.Over the next 12 months you will be involved in:Scaling our operations and managing increasing platform complexity, identifying optimal trade-offs between cost-effectiveness, security, and robustness to maximize productivity for complex wafer fabrication facilitiesImplementing AI tools throughout our development and testing workflows to increase productivity, improve quality, and deliver more value to customers faster and more reliablyLeading the development of new products and driving complex feature solutions from conception to marketDesigning and delivering internal automation solutions to support our expanding factory network, while developing innovative manufacturing automation and autonomy solutions that bring greater value to both new and existing wafer manufacturing segmentsKey ResponsibilitiesTechnical Ownership & DevelopmentTake ownership of significant features and technical components across our Python-based platformDesign and implement reliable systems for data processing and optimisation workflowsContribute to architectural decisions and technical design discussionsProvide code reviews and technical guidance to junior team membersEvaluate new technologies and contribute to technical standard-settingPlatform DevelopmentBuild and maintain data processing pipelines that handle semiconductor fab dataDevelop and enhance our REST APIs and microservicesImplement data science workflows in production-grade PythonCreate reusable components that support rapid development cyclesEngineering QualityApply and advocate for software engineering best practices including testing and CI/CDContribute to system reliability, performance optimisation, and maintainability improvementsCollaborate with optimisation engineers to implement mathematical models in codeParticipate in technical design reviewsRequired Experience4+ years of software development experienceExperience building Python-based systems and deploying to productionDemonstrated ability to work independently on complex technical problemsSolid understanding of software architecture and system design principlesExperience with modern development practices including testing and CI/CDExperience working with APIs and data processingFamiliarity with cloud platforms (preferably Azure)Nice-to-haveExperience mentoring junior engineersExperience with mathematical optimisation techniques including MILP and LPExperience with RustUnderstanding of distributed systemsWhat we can offer you:Competitive salary based on skills and experienceStock 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 as possible.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 and we have an onsite Barista courtesy of WeWork.Tasty Tuesdays Company lunches in the office every Tuesday.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.Why join usWelcome 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. #J-18808-Ljbffr