Senior .NET Software Engineer

Are you aSeniorEngineerwhowants to ownsystemsend to end?Not just write the code, but stand behind its design, quality, andhow it holds up in production?You care about the real-lifeprojects that positivelyimpactand improve the everydaylifeof thousandsof users?Then thischallengeisfor you!

Our teambuilds andoperatesa cloud-native IoTsolutionthat connects tens of thousandsofHVAC (heating,ventilation, andairconditioning)devices directly to the Cloud. Itallowsremotemonitoring, control, and optimization of installations in the field,real-time performance tracking, and energy consumption analysis. Itisalsoacentralplatformbehind arange of consumer andservice-partnerapplications.Theserun on the web and mobile,across multiple brands and markets. The product isusedby technicians and end-users worldwide.

What is the project about?

Since 2018,Proekspert collaborates with a leading globalHVACmanufacturerto design, build, and run the Cloud platform behind their connected devices.

The solutionkeeps tens of thousands of devices connected in realtime. The clientstechnicians and end-usersgetround-the-clock control, monitoring, and performance insight. The platform has been a business-criticalcomponentin production for years.Behindit is a demanding, high-throughput backendthat handlesthousands of requests per secondinrealtime. Keeping a mission-critical system reliable at scale takesresilience and quality engineering.The team handles its continuous development, new functionality, maintenance, and 3rdlevel support.

Technologies:

.NET 8 / C#,EntityFrameworkCore,Azure(AKS, Service Bus,EventHub, App Service,NotificationHub,KeyVault,BlobStorage,ApplicationInsights,WebJobs), MS SQL,Docker,Kubernetes,OAuth2.0,JWT,RBAC,RESTAPI,JSON-RPC,WebSocket,CI/CD (TeamCity),IaC(Bicep,Kustomize)

What will you do?

• Own features end to end, from technical analysis and solution design at the early request stage through delivery. Stand behind their quality, fit for purpose and long-term maintainability.
• Drive software design and architecture for a scalable, secure platform. Consult the client on the best technical solution for what the project actually needs.
• Build and run global live services, setting up, configuring, and maintaining the solution in Azure. Applying DevOps practices to new and existing services.
• Ensure quality through automated tests. There is no separate manual QA, so every engineer stands behind their own work.
• Monitor systems proactively. Flag and resolve issues or improvements before they become problems.
• Plan, propose, and implement new features. Communicate directly with the client on the features you own.
• Help shape the teams technical direction by challenging assumptions and proposing best solutions.
• Use AI tooling to draft, generate, test, or summarise while reviewing the result and owning every decision yourself.

• Has 6+ years of experience as a Software Engineer, including at least 4 years of hands-on development in .NET and C#.
• Has strong software design and architecture experience. Is able to reason about their decisions.
• Has comprehensive practical knowledge of MS Azure and is able to propose architecture, set up the platform, and implement changes and updates.
• Has worked with distributed systems and has the appetite for large and complex ones.
• Can self-prioritize, make decisions independently, and support the teams shared decisions.
• Chooses and utilizes the right tools, including AI tooling, to get the best result while owning the decisions.
• Has excellent cooperation and communication skills while being able to consultatively approach the client. Can present, explain, and defend a point of view.
• Is fluent in English and Estonian.

• Meaningful, steady work with real-world impact in projects that improve everyday life of thousands of users and the world.
• Having real autonomy by organizing your own work without unecessary bureaucracy.
• An experienced team who support and mentor each other.
• We value the well-being of our people and their families.
• Anexciting benefits package.
• Working hours: Full-time
• Location: Tallinn, Harju County, Estonia