hyperexponential - Staff Product Engineer
Requirements
• Worked in an AI-native environment, and genuinely want to keep doing so. You've used AI or agentic tools in your own engineering workflow, introduced or experimented with them, and have a real view on what's worked and what hasn't. • Been product-focused rather than purely technical. You understand who your users are, where their pain points are, and how your technical decisions connect to commercial outcomes. • Set technical direction while navigating genuine ambiguity. A proven track record of owning architecture in a domain with no established playbook, and making clear calls on imperfect information rather than deferring them. • Owned a significant technical challenge or service end to end, with the depth to walk through it in detail - the trade-offs, the contracts, the things you'd do differently. • Influenced across teams. You can hold a position under challenge, genuinely listen to pushback, and persuade others - not just present your own view and hope it lands. • Worked effectively across distributed teams - this role spans our Warsaw and London offices, so you'll need to be comfortable building relationships and influence across both. • You're unlikely to thrive here if • You'd rather focus purely on the technical problem than get close to users, customer pain points, and the commercial implications of what you build. • You're not comfortable setting technical direction in ambiguity, or you'd rather wait for an established playbook than make a call on imperfect information. • You're not excited about helping define what the future of software engineering looks like and are prepared to embrace tooling and new ways of working to support this. • Values Interview • Our commitment to Diversity • hxers are at the centre of everything we build. We know that progress depends on diverse perspectives, and we are committed to creating an environment where everyone can thrive, grow, and make an impact. We recognise there is always more to do, and we take responsibility for shaping a workplace that is not only diverse but genuinely inclusive. • Diversity is not just the right thing to do, it is key to solving the complex challenges we choose to take on. By welcoming people from all backgrounds and experiences, we strengthen our ability to question assumptions, push boundaries, and design solutions that endure. • If you're energised by complexity and motivated to grow, we encourage you to apply and join our global team. • If this opportunity resonates with you, we encourage you to apply or share it with your connections! Our dedicated talent team reviews all applications, and we promise to provide feedback regardless of the outcome. • For more information about applying and to view other opportunities, you can visit our careers page. • 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.
Responsibilities
• Establish a set of engineering standards across the Model Authoring pods. The standards are documented and actively referenced in code review, with new pod work conforming by default. • Set and own the technical direction for the team's shared enablers, including how we represent and persist models, the model registry, secure context access, and shared agentic infrastructure. • Establish the technical interfaces between Model Authoring and other parts of the business. Dependencies with other teams are agreed, documented, and progressing without needing to be brokered by someone else. • Work hands-on on the hardest problems in the stream. This is not an advisory role: we would expect you in the code where the risk is highest. • Help define how we work in an AI-native way. Which parts of model development and of our own engineering we hand to agents, what stays human, and what evidence we need before trusting either. • Visibly lift the engineers around you. You're sought out for design input across pods, and there's at least one engineer whose growth is clearly attributable to your support.
Benefits
• At hx, we're committed to salary transparency. You'll always have clarity on pay early in the process - our Talent Partner will share details with you during initial conversations - and we're working towards publishing salary information for all roles globally. • Because we're building at the intersection of technology/SaaS and insurance, our roles don't always map neatly onto traditional benchmarks. Our approach is to design compensation that's competitive in the market, fair across teams, and aligned with the impact our people make. • Equity: We offer equity across all roles at hx, making it a significant component of total compensation. Your Talent Partner will be able to share more details about this. • £5,000 training and conference budget for individual and group development. • 25 days of holiday plus 8 bank holidays (33 days total). • Company pension scheme via Penfold. • Mental health support and therapy via Spectrum.life http://Spectrum.life. • Individual wellbeing allowance via Juno. • Private healthcare insurance through AXA. • Income protection and Life Insurance. • Cycle to Work Scheme. • Top-spec equipment (laptop, screens, adjustable desks, etc.). • Regular remote and in-person hackathons, lunch and learns, socials, and game nights. • Team breakfasts and lunches, snacks, drinks fridge, and a fun office at The Ministry. • Exceptional opportunities for personal development and growth as we build something remarkable together.
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