Senior Machine Learning Engineer

Are you ready to shape the future of InsurTech with cutting-edge machine learning and AI? At Simply Business, we’re not just using data; we’re continuously evolving our platform with technologies like AWS, Snowflake, and Kafka to drive real value and inform company strategy. As a leading player in the market, our mission is to remain at the forefront of data engineering, ML, and AI thinking, and we need a Senior ML Engineer who shares that ambition.

We’re looking for someone who is:

• A polyglot programmer, with expertise in Python and a genuine enthusiasm for picking up new languages like Kotlin and Rust.
• An excellent communicator, capable of clearly conveying complex technical concepts to diverse audiences.
• Proactive in suggesting innovative tools, architectural improvements, processes, and emerging technologies.
• Collaborative and a pleasure to work with, possessing strong interpersonal skills and thriving in an open, friendly, and distributed team.
• Comfortable mentoring and guiding Junior and Mid-Level Engineers, sharing your expertise and fostering growth.
• A reliable “go-to” person for tackling and resolving complex technical challenges.

As our Senior ML Engineer, you’ll:

• be hands-on in developing and continuously evolving our class-leading data and ML platform infrastructure, balancing maintenance with exciting greenfield projects.
• develop and maintain our real-time model serving infrastructure, utilising technologies such as Kafka, Python, Docker, Apache Flink, Airflow, and Databricks.
• Actively assist in model development and debugging using tools like PyTorch, Scikit-learn, MLFlow, and Pandas, working with models from gradient boosting classifiers to custom GPT-based solutions.
• gain a deep understanding of Simply Business’s wider data ecosystem to build efficient and scalable machine learning systems.
• work collaboratively within a friendly international team, where your ideas are valued, and you have ample opportunities to grow, explore, and contribute.
• be part of an agile environment, contributing ideas and helping to prioritise technical work, with the flexibility to switch between office and remote working.

(We know it’s tough, but please try to avoid the confidence gap. You don’t have to match all the bullet points above to be considered for this role.)

We encourage people of all different backgrounds and identities to apply. We are committed to maintaining an inclusive, supportive place for you to be you and do your very best work.

If you’re passionate about pushing the boundaries of machine learning, building robust, scalable systems, and working with cutting-edge technologies like custom GPT models and real-time inference, Simply Business is where you’ll make a real impact.

We foster an environment where your technical interests are encouraged, and your professional development is fully supported with budgets for conferences, courses, and workshops. Come join a team that embraces new ideas and empowers you to drive the future of InsurTech! Apply Today

About Simply Business

We insure small businesses and enable big dreams – not just for our customers, but for our people and communities too. With over 1,000,000 active insurance policies, we protect builders, bakers, landlords and more than 1,200 other trades.

We’re a technology company as well as one that sells insurance. That means we build, we fail, we learn and we improve. We’re a B Corp too, which recognises our strong track record of having a positive impact on people, society and the environment.

What are the benefits of working at Simply Business?

We offer a great work-life balance where every team member has a manageable workload and the flexibility to work hybrid.

On top of the 25 days annual leave (plus bank holidays), we offer leave that suits your needs. Plus the option to buy five more days of holiday with your flexible benefits.

Our flexible parental leave allows you to approach an important time how you want – with six months full pay to the primary caregiver and four weeks full pay if you’re the secondary caregiver.

Our life event leave is an extra days leave every two years for those big moments in your life like moving house or your birthday. And as a thank you to our long-serving employees we offer a two week paid sabbatical after five years of service, then four weeks off after ten years of service.

And our core benefits can put your mind at ease with private medical insurance through BUPA, that covers any pre-existing condition. And a health cash plan that covers your everyday medical expenses.

We also make sure you’re compensated fairly with a competitive salar y based on your experience and the market we’re in. Plus the potential to earn an annual bonus based on performance.

There’s access to the tools to support your personal development with programmes on our dedicated learning platform . As well as support for your mental health with access to counselling.

We’ll match what you put into your pension up to five per cent . And pass on a tax-free sum that’s four times your basic salary with our life assurance policy , with the option to increase it to ten times through our flexible benefit scheme

Our salary sacrifice car scheme gives you the option to buy a brand new, fully insured, and maintained car for a convenient fixed monthly amount taken from your gross salary (after 6 months service).

And our flexible benefits scheme gives you an allocated amount to use each year on benefits like critical illness cover, dental insurance, travel insurance, or a gym membership.

Ready to join us and drive our success as a high-performing team? Apply today.

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