(Remote) Senior Full-Stack Software Engineer

Job Description: Arqh is looking for a Senior Full-Stack Software Engineer (Remote, EU) to build the end-to-end product experience around their engine. You’ll work across React/TypeScript frontends, Python services, data stores, and cloud infrastructure—turning complex planning & routing problems into clean, fast, reliable tools that dispatchers love. This is a high-ownership role in a small team: you’ll ship production features end-to-end and help shape how the product is built. Location Remote (Europe) — fully remote, with core hours around CET. (You must be EU-based or able to work full-time aligned with EU time zones.)

What You’ll Do: Ship end-to-end features: from UX components to APIs, data models, and deployments Build and evolve the web app with a focus on usability, clarity, and performance Work across MongoDB / Cosmos DB / SQL to model, query, and optimize real workloads Use pub-sub / event-driven patterns for real-time dashboards and system visibility Leverage Redis for caching, queues, and low-latency coordination Own code quality, testing, CI/CD, and observability

• Collaborate with product, ops, and customers to turn workflows into intuitive UIs and robust systems What We’re Looking For 5–10 years of full-stack experience shipping production systems Experience building data-heavy dashboards, internal tools, or B2B SaaS Strong React + TypeScript (hooks, state, component architecture) Solid database experience: MongoDB / Cosmos (NoSQL) and SQL (schemas, joins, migrations, performance basics) Experience with pub-sub / messaging (Kafka, SNS/SQS, Service Bus, Pub/Sub, etc.) Working knowledge of Redis (caching, sessions, queues) Cloud & containers: Docker, Docker Compose, plus familiarity with Kubernetes concepts Strong engineering foundations: testing, reviews, CI/CD, monitoring, logging High-ownership, low-ego mindset; fluent/advanced English Based in the EU (or able to work EU time zones full-time) Big Plus Mobile dev (React Native, Flutter, or native iOS/Android) Python backend experience (APIs, services, data layer) Strong design/UX sensibility (design systems, Figma, typography) Experience in remote-first or async-oriented teams How You Work Pragmatic engineering: simple first, measurable improvements always Tight feedback loops with customers and ops—you see impact fast Small team, high ownership, high trust—you help shape stack and standards Remote-first in Europe, with core hours around CET Why This Role High ownership + real impact: help shape the product foundations of a fast-growing company Work directly with founders and researchers Fully remote within the EU + support for home office / co-working setup
• Competitive compensation