Senior Staff Product Engineer
hyperexponential2 days ago
Warsaw, PolandStaff+
Responsibilities
- Take customer problems from discovery through production within a small pod, using customer feedback to guide incremental delivery.
- Design and deliver robust production systems with attention to correctness, performance, resource efficiency, testing, and observability.
- Direct AI agents to draft implementations, tests, and migrations, then review, integrate, and harden the resulting work.
- Work across front end, back end, data, and infrastructure as required by the problem.
- Own outcomes end-to-end, raise risks early, make decisions, and keep delivered systems operating effectively.
- Set technical direction on difficult problems, maintain quality across other engineers’ work, and lead cross-cutting or decoupling initiatives.
Requirements
- Experience building and shipping production systems end-to-end, from design through rollout, monitoring, and iteration.
- Experience designing testing and observability that make complex behavior understandable, debuggable, and safe to evolve.
- Strong systems experience, such as with Rust, C/C++, or Python, and the ability to work effectively in a polyglot environment.
- Ability to contribute outside a primary layer of the stack, including front end, data, or infrastructure work.
- Experience using AI tools seriously in software development, with the judgment to direct, review, and take responsibility for their output.
- Product and design judgment, customer and stakeholder communication skills, and the ability to make sound decisions in ambiguous situations.
- For Level 5, experience setting technical direction, raising quality across other engineers’ work, and leading cross-cutting initiatives.
Benefits
- B2B contracting option with 25 days of non-working time plus Polish bank holidays.
- Contract of Employment option with 26 days of holiday plus Polish bank holidays, company pension, and 10 days of company sick pay at 100% salary.
- £5,000 GBP learning and development budget.
- Mental health support and therapy via Spectrum Life.
- Private healthcare and Multisport options, with availability and funding depending on the engagement type.
- Monthly wellbeing allowance via Juno for employment hires.
- Top-spec work equipment, including MacOS or Windows laptops and optional monitors and peripherals.
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.