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Senior Software Engineer (Platform) - Krakow

ARQ· Engineering
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Hybrid (Krakow)Full-timePosted 3mo ago

About the role

Senior/Lead Software Engineer on the Platform team at ARQ, focused on architecting and building the infrastructure layer for a modern, high-growth fintech platform. Emphasis on type-safe, declarative infrastructure as code, with multi-region deployments, IaC tooling, GitOps, and observability.

Responsibilities

  • The design and implementation of the secure, highly-available infrastructure layer that powers a modern, high-growth, financial services company.
  • Ensure our product engineering organisation can spin up new infrastructure in an unimpeded and rapid manner, through the careful design and implementation of shared IaC libraries, cli tools and codebase patterns.
  • Problem-solve, analyse and debug infrastructure issues & opportunities with members of the wider engineering team.
  • Strategise & execute on the rollout techniques for making sweeping infrastructure changes as we constantly integrate new best practices & security improvements into our setup.
  • Orchestrate multi-region infrastructure and deployments to meet security, availability and compliance requirements.
  • Build, maintain & optimise high-volume CI infrastructure, along with reusable pipeline templates suitable for a microservices architecture.
  • Implement GitOps workflows for declarative application deployments.
  • Improve application monitoring and alerting with Datadog, Prometheus, and Grafana.

Qualifications

  • Software Engineering Foundation: strong full-cycle software development background (customer-facing API to Kubernetes provisioning).
  • System Design: architecture and implementation of large-scale, distributed production systems.
  • Strong Programming Skills: fluent in at least one modern typed language (TypeScript, Go, Rust, or Java).
  • Modern Infrastructure Stack: hands-on experience with Kubernetes, CI/CD, and sophisticated IaC (Pulumi, Terraform, or CDK).
  • Security Mindset: deep understanding of cyber-security attack vectors and secure-by-default patterns.

Skills

Required:Software EngineeringSystem DesignProgramming LanguagesKubernetesCI/CDInfrastructure as Code
Nice to have:GitOps

Benefits

  • Competitive salary commensurate with experience
  • Own the platform that directly impacts customer experience
  • Work with modern DevOps practices and cutting-edge technology
  • Strong team focused on continuous learning and knowledge sharing
  • Influence technical direction and architecture decisions.
Last updated Oct 25, 2026. Interested? Apply on the company site.
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About ARQ

The global financial platform for affluent consumers in the Americas.

ARQ opens the world’s strongest assets and markets to travelers, investors and professionals across the Americas—so they can spend, receive, send and grow their money wherever they are. Formerly known as DolarApp.

FintechCrypto / Web3
Company profileWebsite

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