InPost

Principal Software Engineer - Fintech Platform (m/f/n)

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SeniorHybryda·WarszawaFull-time

#452241·Dodano 29 dni temu·3

Źródło: InPost

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Tech Stack / Keywords

AILLMdistributed systemsevent sourcing CQRS REST AWS GCP Azure

Firma i stanowisko

InPost is building its own fintech platform from the ground up as a large-scale, international initiative. The company is establishing a lean, highly effective engineering organization in Poland focused on AI-native engineering.

Wymagania

10+ years in software engineering, including 5+ years in cross-team technical leadership or architecture authority
5+ years designing distributed payments or fintech systems
3+ years experience deploying agentic/LLM engineering in production
Deep knowledge of distributed systems architecture: event sourcing, CQRS, domain events, saga pattern
Experience designing APIs at organizational boundary level (REST, async, event-based contracts)
Strong understanding of database trade-offs (relational, time-series, document, ledger-style) and cloud architectures (AWS/GCP/Azure) at organization scale
Hands-on experience with multi-agent orchestration, tool-use patterns, context management, and evaluation harnesses for AI-assisted workflows
Excellent technical writing skills for mixed audiences, including ADRs and RFCs
English proficiency at B2 or above
University degree in Computer Science, IT, or related field

Nice to have:

3+ years in platform or internal developer tooling engineering
1+ years of agentic/LLM system design experience
PCI DSS / PSD2 architecture compliance experience from design phase
BNPL or lending domain architecture experience
Open-source contributions or external technical publishing
Experience building or scaling an internal developer platform
Formal mentorship of Staff-level or EM-track engineers
Polish language skills

Obowiązki

Serve as the single cross-domain technical authority for architecture decisions across Payments Core, Merchant, and Consumer platform areas
Translate business strategy into technical roadmap input in partnership with Head of Engineering and business leadership
Author Architecture Decision Records (ADRs) and RFCs accessible to both engineers and business stakeholders
Own and continuously improve the agentic engineering harness at an organizational level based on production data
Identify and drive adoption or deprecation of patterns across all teams without direct authority
Mentor Staff Engineers and Engineering Managers on architecture craft, technical communication, and agentic tooling

Benefity

Opportunity to work in a diverse, international, and cross-functional environment with leading experts
Learning and working from a senior leader and leadership team with exposure to e-commerce and logistics industries
Career growth opportunities in multiple European locations
Range of benefits and investment in training opportunities
Part of InPost community impacting sustainability, convenient deliveries, and circular economy
Excellent working environment with flexible hours
B2B type of contract

Elastyczne godziny

InPost

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