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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