Senior Product Engineer

HYPEREXPONENTIAL

Warsaw, Poland • 32m ago • On-site

Senior

On-site

428,400 - 476,000 PLN/yr

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Quick Facts

  • Role: Senior Product Engineer (Workflow Underwriting backend)

Description

Build and operate backend services for a next-generation workflow underwriting platform. Convert ambiguous underwriting problems into simple, reliable software while shaping architecture across APIs, domain models, persistence, reliability, and observability. Design agent-assisted workflows with clear judgment on where agents act, advise, or where humans must stay in control.

Responsibilities

  • Design, build, and operate backend services in Kotlin or Java, owning them in production
  • Turn ambiguous underwriting problems into reliable software, including deciding what to build
  • Shape architectural decisions: APIs, domain models, persistence, reliability, observability, and platform evolution
  • Develop deep underwriting domain knowledge and challenge requirements when appropriate
  • Design and build agent-assisted workflows with accountable decisions on agent vs. human control
  • Use AI coding tools (including Claude) while staying accountable for quality, security, and correctness
  • Collaborate across frontend, product partners, and client-facing teams
  • Give and take direct feedback to raise the engineering bar

Requirements

  • Strong experience building and running backend systems in Kotlin, Java, or another JVM language
  • Judgment in architecture and system design
  • Evidence of shipping software that solved a real customer or business problem (ideally end-to-end ownership)
  • Self-starting approach focused on high-value problems
  • Clear communication with underwriters, executives, and engineers
  • Comfort working on ambiguous, open-ended problems
  • Confident, responsible use of AI coding tools with a critical eye
  • Receptive to direct feedback and able to help raise engineering standards
  • Willingness to work directly with non-technical stakeholders to understand domain challenges

Benefits

  • Learning & Development budget
  • Mental health support and therapy
  • Private healthcare and wellbeing benefits (depending on employment track)
  • Pension and company sick pay (for employment track)
  • Multisport benefits
  • Top-spec work equipment (MacOS/Windows plus additional monitors and peripherals)

Interview process

  • Talent interview
  • Hiring manager interview
  • Technical assessment (e.g., code review, system design)
  • Values interview
  • Meet the CEO

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