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About Maesn
Want to join a growing European startup early and be part of an epic journey?
At Maesn we build software for other software companies. We provide an integration platform that lets B2B software companies add integrations to their platforms in hours and days instead of weeks and months. Our customers love us because we are innovative, quick, friendly and provide integrations for systems that others dare not touch.
We are a young dynamic SaaS Startup born in Düsseldorf who believe in working hard and having fun while doing it. You will have the chance to work on all parts of our technology stack and in close collaboration with our customers, to understand their needs and get direct feedback on the changes you ship.
The role
Our platform sits between our customers and dozens of third-party accounting and ERP systems. That makes reliability part of our product. When a call is slow or fails, our customers need to know why, and so do we. You’ll be the senior engineer who owns how our platform runs in production, and you’ll keep building the product alongside the team. You’ll work directly with our CTO, Lennart Svensson, and the wider founder team.
What you will do
Own our Azure infrastructure end-to-end
You know every service, how it’s deployed and what it costs. You’ll tighten what’s there and codify what isn’t. As we scale, you’ll keep the architecture simple: we run on managed services and plan to keep it that way.
Bring real observability to the platform
Metrics, logs, traces and alerts, across our services and the third-party APIs we call. You’ll define what “healthy” means, build the dashboards, and set up alerting and on-call so we catch problems before our clients do. When a mysterious timeout appears, you’re the one who can trace it to its source.
Raise the bar on security and reliability
Fintechs trust us with sensitive financial data. You’ll harden the platform, make sure we can deliver on incident response and SLAs, and keep us audit-ready as customers ask for certifications like SOC 2 or ISO 27001.
Build product and level up the team
You’ll ship features and integrations with the rest of the engineering team. You’ll also be the go-to person for production debugging, and you’ll mentor our engineers so the whole team gets better at running what we build.
What you bring
Experience: 5+ years building and running backend services in production, including real ownership of infrastructure, deployments and incidents.
Production debugging: You’ve chased down latency spikes, timeouts and flaky dependencies, and you know how to go from “something is slow” to the root cause.
Azure: Solid hands-on experience running production workloads on Azure.
Observability: Experience instrumenting services with tracing, structured logging and metrics, ideally with OpenTelemetry or similar.
Infrastructure-as-code mindset: You codify infrastructure rather than clicking through consoles.
Security by default: You think about secrets, access management, and compliance as part of the work, not as an afterthought.
Backend skills: You’re comfortable writing production code in TypeScript/Node.js and enjoy shipping features, not only keeping the lights on.
Pragmatism and mentoring: You pick the simplest setup that works. You enjoy helping less experienced engineers grow, and you’re excited to set the standards for how we run our platform.
What we offer
First-hand experience building a fast-growing tech startup
Kind teammates and great collaborative atmosphere
Steep learning curve and a varied job with interesting projects and technologies
Work fully remote or in our office in Düsseldorf
Fun offsites where the team gets together to work and play