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Principal Engineer - Platform at InPost. Location Information: Poland. Company Description. InPost has revolutionised e-commerce parcel delivery in Poland and is now one of Europe’s leading OOH e-commerce enablement platforms. Founded in 1999 by Rafał Brzoska, InPost provides delivery services through our network of almost 60,000 Automated Parcel Machines (APMs) and almost 35,000 pick-up drop-off points (PUDO) in nine countries across Europe, as well as to-door courier and fulfilment services to e-commerce merchants. InPost’s lockers provide consumers with a cheaper and more flexible, convenient, environmentally friendly and contactless delivery option. . Job Description. The Platform Principal Engineer is the senior-most individual contributor in the Platform Engineering Domain. You set the technical direction for how ~80 engineers build, operate, and evolve InPost's engineering platform — spanning cloud infrastructure, developer experience, reliability, and AI foundations. You operate at the intersection of architecture and delivery: you shape the strategy and you stay close enough to the work to validate it.. This is not a consulting role. You drive technical decisions that stick.. What You'll Do. Technical Direction. Own the long-term technical roadmap for the Platform Engineering Domain across four pillars: Platform Engineering & Delivery, Developer Experience, SRE & Reliability, AI & Cloud Foundations.. Identify architectural risks and opportunities ahead of the teams — raise them early, propose solutions, drive resolution.. Define and evolve platform-wide standards: SDLC compliance (targeting SCS ≥ 80/100), observability baselines, cloud-native patterns.. Cloud & Infrastructure. Lead the technical strategy for InPost's migration from on-prem data centres to GCP — targeting a 25–50% CO2e footprint shift from the Jan 2026 baseline by year-end.. Establish reference architectures for services running on GCP; review and govern deviations.. Drive cost efficiency, reliability, and security posture at the platform layer.. Developer Experience. Define the developer platform vision: what self-service capabilities engineering teams get, how they get them, and what the experience benchmark is.. Partner with the Developer Experience and Platform Engineering leads to move from bespoke tooling to a coherent internal developer platform.. AI Foundations. Shape the technical approach to AI adoption across InPost Technology (AES target: ≥ 75/100 by Dec 2026).. Design the infrastructure and platform primitives that make AI tooling safe, scalable, and measurable — not experimental.. Act as a technical bridge between the AI & Cloud Foundations team and the broader engineering org.. Cross-Domain Technical Leadership. Represent Platform Engineering in architecture reviews, CTO-level discussions, and cross-domain technical governance.. Mentor senior and staff engineers; raise the technical floor across the domain.. Write well: your proposals, design documents, and postmortems set the quality standard.. What You Won't Find Here. A governance-heavy role where influence is measured in slide decks.. A team that treats reliability as an afterthought.. A company that treats AI adoption as a comms exercise.. Qualifications. What We're Looking For. Must have. 10+ years of software or infrastructure engineering, with 3+ years in a principal or staff-level IC role at a company of comparable scale.. Deep GCP expertise — architecture, IAM, Kubernetes (GKE), networking, cost management.. Strong SRE foundations: SLOs, error budgets, incident management, reliability by design.. Demonstrated track record of driving multi-team technical initiatives from ambiguity to delivery.. Ability to operate at both the whiteboard and the pull request — you read code, you write RFCs, you review production incidents.. Clear, direct communication in English (Polish is an advantage, not a requirement).. Strong plus. Experience building internal developer platforms (Backstage, platform APIs, golden paths).. Hands-on background in CI/CD systems, GitLab, or supply-chain security.. Exposure to AI/ML infrastructure or LLM-based tooling at production scale.. Experience in logistics, e-commerce, or high-throughput operational systems.. Additional Information. ​​​​​​. Why Join InPost?. Opportunity to work in a diverse, international and cross-functional environment, along with leading experts. . Fulfilling careers with a range of benefits for employees and invests in providing training opportunities for their development. . Your impact will be visible instantly and you will be making a difference in our users lives. Real ownership — you'll make architectural calls that impact multiple markets A platform with genuine complexity worth solving (international scale, complex CMS) Space to experiment with AI tooling and bring new ideas into production A mature, experienced team that values technical depth