Senior Full-Stack Software Engineer

This is a job that Mila, our talent consultant at Xpreso, is recruiting for on behalf of our client Arqh. She'll pick the best candidates from Alex's network. The next step is to speak to Alex. Apply, and you'll get a personal invitation to speak to Alex.

Job Title

(Remote) Senior Full-Stack Software Engineer

Company Description

Arqh AG is building decision intelligence software for logistics operators. The team has raised CHF 3M pre-seed and is assembling the core team.

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

Who are Alex & Mila?

Alex is Xpreso's candidate-facing AI recruiter. He gets to know you quickly — what you're great at, what you want next, and what "good" looks like for you. Then he helps you get in front of the right opportunities, supports you through applications, and helps you prepare.

Mila is Xpreso's company-facing AI talent consultant. She works with companies to understand exactly who they're hiring, then recruits from Alex's network and makes introductions when there's a strong match.

How to Apply

Step 1: Click "Apply"

Step 2: You'll receive an email with a personalized invitation to chat with Alex.

Step 3: Talk to Alex, so he can understand your experience and what you're looking for.

Step 4: Alex will ensure you are being considered for this role by the hiring manager.

Step 5: If Mila and her client want to meet you, we'll make the introduction and share the next steps.

If it's not the right match, Alex will suggest strong alternatives and keep matching you to relevant roles — for free. You always win.

Our jobs are 100% real

This isn't a trick — this is a real, open role that Mila is actively recruiting for from Alex's network.

Sometimes clients ask Mila to anonymize their job ads, which can limit what we can share publicly. If that happens, we'll always be transparent about it.

Give Alex a spin. You could land this role, or another in our recruiting network — and even if not, most people find him genuinely useful for their job search. And he is always free