Senior Product Engineer
hyperexponential2 days ago
Warsaw, PolandSenior
Responsibilities
- Take customer problems from discovery through production within a small pod.
- Direct AI agents to draft implementation, tests, and migrations, then review, integrate, and harden the output.
- Design and deliver production systems with attention to correctness, performance, resource efficiency, testing, and observability.
- Work across the codebase and stack, including frontend, backend, data, and infrastructure, as the problem requires.
- Move between pods, problems, and streams while ramping quickly on unfamiliar domains and maintaining shipped systems.
- Own outcomes, raise risks early, and make decisions rather than escalating them.
Requirements
- Built and shipped production systems end-to-end through design, rollout, monitoring, and iteration.
- Designed testing and observability for complex, debuggable, and safely evolvable systems.
- Worked effectively in polyglot environments and learned unfamiliar languages, domains, and codebases quickly.
- Strong systems experience in Rust, C/C++, or Python is valued.
- Shipped work outside a primary stack layer, including frontend, data, or infrastructure work.
- Used AI tools seriously in software development and can direct, review, and take responsibility for their output.
- Applied product and design judgment to shape solutions and make sensible decisions under ambiguity.
- Owned outcomes beyond immediate tasks and made decisions independently.
Benefits
- B2B contractor arrangement with 25 days of non-working time plus Polish bank holidays.
- £5,000 GBP learning and development budget.
- Mental health support and therapy through Spectrum Life.
- Optional self-funded private healthcare through Luxmed and Multisport for B2B contractors.
- Top-spec laptop with MacOS or Windows.
- Contract of Employment (UoP) option with 26 days of holiday plus Polish bank holidays.
- Company pension and 10 days of company sick pay at 100% salary.
- Monthly wellbeing allowance through Juno.
- Private healthcare insurance through Luxmed and Multisport Classic.
- Top-spec work equipment, including additional monitors and mechanical keyboards.
About hyperexponential
hyperexponential builds an AI-driven underwriting and pricing platform for commercial property and casualty insurers, used by underwriters, actuaries, and portfolio leaders. The SaaS system governs decision logic, models complex risks, and plugs into carrier workflows; top global carriers use it for underwriting decisions across $75B+ in annual premium. Founded in 2017 and headquartered in London, the company is privately held.