InPost Pay is building its own fintech platform from the ground up. It’s a large-scale, international initiative where engineers will have the opportunity to shape the architecture, build core fintech components, and create solutions designed to operate at InPost’s scale.
We’re building a lean, highly effective engineering organization in Poland, with AI-native engineering at its core. We’re looking for strong engineers who are comfortable with agentic engineering, from experienced professionals building complex systems and engineering tooling to a new generation of engineers who have embraced AI-driven development from the start of their careers.
Job Description
InPost FinTech is looking for a Staff Engineer to define the technical direction for our infrastructure, deployment, and operational reliability - across Payments Core, Merchant, and Consumer. You'll multiply team output through infrastructure architecture clarity, engineering standards, and cross-team technical leadership, while owning the evolution of the agentic engineering harness's operational backbone.
You'll own the evolution of fundamental infrastructure and platform decisions across the organisation — cloud topology, deployment pipelines, observability, and security posture — ensuring they're sound, defensible, and viable for the long term. You'll report to the Senior Engineering Manager and act as the technical throughline between engineering teams, security, and compliance.
→ Hybrid working model: preferably 1 day per week in the Warsaw or Cracow office.
Responsibilities:
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Define and maintain infrastructure architecture across the area: cloud topology, networking, environment strategy, deployment pipelines, and infrastructure-as-code patterns across multiple teams
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Author Architecture Decision Records (ADRs) and RFCs for infrastructure and platform decisions, facilitating technical decision-making across teams with documented reasoning and clear trade-off analysis
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Evaluate and decide on fundamental infrastructure trade-offs: cloud service selection, container orchestration, message broker topology, observability stack, and cost optimisation
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Own the evolution of the agentic engineering harness's infrastructure layer — CI/CD integration, agent sandboxing, tool-execution environments, and guardrails; instrument adoption and friction, and drive improvements with data
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Drive org-wide technical change: define golden paths and paved roads for deployment and operations, build the case, and see adoption through across teams without direct authority
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Provide technical input into platform and product strategy; mentor engineers on reliability, security, and operational excellence through design reviews and pairing
Qualifications
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8+ years in software or platform engineering, including 2+ years in cross-team technical leadership or architecture authority
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3+ years building infrastructure for distributed payments or fintech systems
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Deep expertise in container orchestration (e.g. Kubernetes), CI/CD pipeline design, and infrastructure-as-code (e.g. Terraform)
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Cloud architecture evaluation and operation (AWS / GCP / Azure) at organisation scale
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Observability and SRE practices: monitoring, alerting, incident response, and SLO design
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Security and compliance architecture: secrets management, network security, and controls relevant to PCI DSS / PSD2
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Experience designing or evolving the infrastructure layer of an agentic engineering harness — sandboxing, tool-execution environments, guardrails
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Database and message-broker operational trade-off reasoning at scale
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Excellent technical writing — ADRs, RFCs, and design docs for multiple audiences
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English proficiency at B2 or above
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University degree in Computer Science, IT, or a related field
Nice to have:
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2+ years in platform or internal developer tooling engineering
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1+ years of agentic/LLM system design experience
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Kafka or equivalent streaming architecture experience at scale
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Service-mesh architecture experience
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FinOps / cloud cost-optimisation experience
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Chaos engineering or resilience-testing experience
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Open-source contributions or technical publishing
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Polish language skills
Additional Information
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Opportunity to work in a diverse, international, and cross-functional environment, along with leading experts.
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You work and learn from a senior leader and their leadership team, expanding your experience and exposure in the e-commerce and logistics industries.
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InPost is a growing company that offers its people an increasing number of opportunities in several locations in Europe.
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Fulfilling careers with a range of benefits for people and investing in providing training opportunities for their development.
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You will feel a part of the InPost community that makes an impact on sustainability, convenient deliveries, and the circular economy every day.
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Excellent working environment and flexible hours
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We offer B2B type of contract
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