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Senior Engineer - AI

Engineering at hyperexponential

At hyperexponential (hx) we are transforming the traditional insurance industry with our groundbreaking SaaS platform, hx Renew. Insurers use it to build complex mathematical models that enable smarter, faster pricing decisions—whether it’s calculating the cost to insure a global superstar’s concert tour or protecting entire states from natural disasters.

With hx Renew, insurers can rapidly develop and iterate pricing models in Python and React within a modern software environment, free from the burden of legacy tech. What once took months now takes weeks—or even days. This agility has made our product the go-to platform for insurers worldwide.

In just five years, our winning formula has earned the trust of industry giants like Aviva and Top 5 US insurers, as well as cutting-edge innovators like Convex and Inigo. Our engineering team—made up of some of the brightest (and kindest!) minds in the industry—pushes technological boundaries every day through creative innovation and regular hackathons.

We closed 2024 with remarkable milestones:

  • doubling our revenue, 

  • raising $73M in Series B funding,

  • setting course to offer Portfolio Solutions supported by AI.

Our next ambitious target? Reaching $100M in revenue within the next 2-3 years and becoming an Insurtech Unicorn with a $1B valuation. Ambitious? Absolutely. Achievable? Without a doubt.

Your Mission:

As a Senior Engineer on the AI team, you will play a pivotal role in developing the growing suite of hxAI products and services. You will drive the design and implementation of scalable, high-impact AI solutions to our customers complex use-cases.

You will support the internal R&D of the team contributing to our model training, evaluation and deployment processes to increase the capacity the team has to take on more use-cases and deliver more value to our customers.

Key Responsibilities:

  • Develop & deploy enterprise grade AI applications from the ground up.

  • Accelerate our AI & Research team by designing and implementing scalable infrastructure to support rapid experimentation.

  • Develop internal tools to facilitate efficient dataset and evaluation results management, to streamline team’s processes and evaluations.

  • Consult on technical designs, offering guidance and expertise to ensure robust architectural decisions, while proactively identifying and addressing future technical challenges.

  • Build strong relationships with key stakeholders, effectively communicating technical concepts, managing expectations, and ensuring alignment with business goals and priorities.

Required Skills and Experience:

  • Proven experience in development of large production applications with major ML components.

  • Experience deploying ML models and LLMs in cloud and local environments.

  • Strong programming skills in Python including its ecosystem for AI/ML, including libraries like PyTorch, Hugging Face Transformers, scikit-learn and Tensorflow

  • Extensive hands-on experience with cloud-based architectures and distributed systems, building scalable, reliable, and secure solutions.

  • Demonstrated ability to self manage and independently identify high-value opportunities and execute them effectively.

  • Excellent communication and relationship-building skills, capable of conveying complex technical concepts to both technical and non-technical audiences.

  • [Nice-to-have] Proven experience productionising LLMs for NLP use-cases

What We Offer:

  • £5,000 for individual and group training and conference budget

  • 25 days’ holiday plus 8 bank holiday days (33 in total)

  • Company pension scheme via Penfold

  • Private healthcare insurance through AXA

  • Life Insurance and Income Protection

  • Mental health and therapy provision via ⁠Spectrum.life

  • Individual wellbeing allowance via Juno

  • Top-spec equipment (laptop, screens, adjustable desks, etc)

  • Regular remote & in-person hackathons, lunch & learns, socials and games nights

  • Team breakfasts and lunches, snacks, drinks fridge, fun office @ The Ministry

  • Huge opportunity for personal development and mastery as we grow together

This role is London based (flexible hybrid, no fixed office days). Learn more about our Way of working here: https://hx.wiki/wow

Interview Process

Initial chat with our Talent team to kick things off

  • Manager Interview (60 minutes)

  • Technical Skills Interview

  • Values Interview

We offer!



Please note that background checks will be conducted as part of the hiring process to ensure compliance with our governance policies. We handle all background checks sensitively and in full compliance with relevant regulations. All applicant data will be processed in accordance with data protection regulations and our privacy policy.

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What You Should Know About Senior Engineer - AI, hyperexponential

Welcome to your next big adventure as a Senior Engineer - AI at Hyperexponential (hx) in London! At hx, we’re shaking up the insurance industry with our revolutionary SaaS platform, hx Renew, empowering insurers to make speedy pricing decisions with cutting-edge mathematical modeling. Imagine working in an environment where your innovative ideas can transform clients' experiences within days—not months! As a Senior Engineer on our AI team, you'll dive into exciting projects, developing and deploying high-impact AI solutions that address complex client use-cases. Your role will be multi-faceted, from supporting our R&D processes to implementing robust, scalable infrastructure for rapid experimentation. Collaborating with talented folks who share your passion for technology, you’ll find numerous opportunities to grow and excel. We value a culture of creativity, and our regular hackathons, lunch & learns, and a dynamic office environment ensure you’ll always feel inspired. Plus, with a generous package including robust training budgets and numerous perks such as private health insurance and mental health provisions, you can focus entirely on building the future of insurance with us. Ready to leap into the revolutionary journey at Hyperexponential? Let’s make insurance smarter, faster, and more efficient together!

Frequently Asked Questions (FAQs) for Senior Engineer - AI Role at hyperexponential
What are the primary responsibilities of a Senior Engineer - AI at Hyperexponential?

As a Senior Engineer - AI at Hyperexponential, your primary responsibilities include developing and deploying enterprise-grade AI applications, accelerating the AI & Research team through the design of scalable infrastructure, and consulting on technical designs. You will also manage stakeholder communication and support internal R&D processes to enhance our AI products effectively.

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What skills are necessary for the Senior Engineer - AI position at Hyperexponential?

To excel as a Senior Engineer - AI at Hyperexponential, candidates should have proven experience in developing large-scale applications with significant ML components. Strong programming skills in Python, familiarity with AI/ML libraries like PyTorch and TensorFlow, and experience with cloud-based architectures are essential. Communication skills for managing relationships with stakeholders are also crucial.

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How does the Senior Engineer - AI role contribute to Hyperexponential's growth?

The Senior Engineer - AI role is integral to Hyperexponential's growth by developing high-impact AI solutions that streamline insurers' operations. Your expertise will allow hx to expand its capabilities, tackle more complex use cases, and enhance the overall value delivered to clients, driving the company toward its goal of reaching a $1B valuation.

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What are the expectations regarding communication for the Senior Engineer - AI at Hyperexponential?

Effective communication is a key expectation for the Senior Engineer - AI at Hyperexponential. You will need to convey complex technical concepts to both technical and non-technical audiences clearly. Building and maintaining relationships with key stakeholders is essential for aligning business goals and ensuring project success.

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What perks and benefits can a Senior Engineer - AI expect at Hyperexponential?

At Hyperexponential, a Senior Engineer - AI can expect a comprehensive benefits package that includes a training budget, generous holiday allowances, private healthcare, life insurance, and mental health support. Additionally, the innovative work environment features regular social gatherings, hackathons, and opportunities for personal development.

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Common Interview Questions for Senior Engineer - AI
Can you explain a successful AI project you worked on as a Senior Engineer?

When answering this question, detail a project that highlights your involvement and the impact it had. Discuss specific challenges you faced, the solutions you implemented, and the lessons learned. Emphasize collaboration with your team and how it contributed to the project's success.

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How do you ensure that the AI models you develop are scalable and efficient?

To answer this, talk about your experience with best practices in AI model development, such as code modularity, continuous integration, and the use of cloud services for scalability. Provide examples of how you've designed systems that support rapid experimentation and deployment.

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What programming languages and libraries are you most proficient in for AI development?

Highlight your expertise, particularly in Python and its libraries like PyTorch and TensorFlow. Give specific examples of how you've used these tools effectively in past projects, showcasing your technical proficiency and ability to adapt to different challenges.

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How do you handle stakeholder expectations and communicate technical concepts?

Discuss your approach to understanding stakeholder needs and delivering technical information in an accessible manner. Provide an example where your communication led to a successful project outcome, emphasizing the importance of transparency and proactive management.

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What are some common challenges you face when deploying AI solutions, and how do you overcome them?

Identify specific challenges such as data quality, integrating with existing systems, or model performance. Discuss your problem-solving strategies, whether through thorough testing, seeking collaboration from others, or adopting agile methodologies to adapt quickly.

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Describe your experience with machine learning components in production applications.

Share detailed experiences about your involvement with machine learning in production settings. Talk about the types of applications you've developed and the learning journeys you undertook, including the successful deployment and maintenance of ML models.

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Why do you believe Hyperexponential is the right fit for your career as a Senior Engineer - AI?

In your response, articulate your alignment with Hyperexponential’s mission and values. Discuss how the company's innovative approach to the insurance industry excites you and how you can contribute with your skills and passion for AI and technology.

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What is your approach to continuous learning in the fast-evolving field of AI?

Talk about your proactive learning habits, such as attending conferences, participating in hackathons, following industry trends, and engaging with communities. Mention any recent technologies or tools you’ve explored to stay ahead in AI development.

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How do you balance project deadlines with the need for thorough testing and validation of AI models?

Discuss your prioritization strategies and experience with agile methodologies. Emphasize how you maintain quality while meeting deadlines and the importance of thorough testing to ensure the reliability of AI solutions.

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What do you think is the future of AI in the insurance sector?

Share your insights on emerging trends such as personalized pricing models, fraud detection, and enhanced customer service through AI. Discuss how these advancements can revolutionize the insurance industry and how you see your role as senior engineer contributing to this future.

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To reimagine technology to transform analytical decision-making, helping our customers make smarter decisions faster.

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Full-time, hybrid
DATE POSTED
March 19, 2025

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