Full Stack Engineer

We are looking for a Senior Full-Stack Engineer (.NET) to build MVP of a cloud-based monitoring portal

What is the project idea?

Project is building a modern monitoring portal for customers who use IoT sensors across multiple locations such as buildings, galleries, rooms, and display cases.

The platform provides customers with a single web portal where they can monitor live sensor readings, access historical data, analyze trends, and track device status across all of their sites.

The solution is built on a hybrid architecture that combines Microsoft Azure cloud services with dedicated on-premise servers installed at customer locations.

How many stages of the interview are there?

• Interview with the Recruiter;
• Technical Interview (internal).

Responsibilities

• Development and maintenance of the customer web portal in Blazor (dashboard, building/gallery/room/case hierarchy, live readings, device status, reporting)
• Implementation of backend logic in .NET (API, processing of IoT device data, authentication/authorisation, role-based access)
• IoT layer integration: ingesting sensor data via the gateway/edge layer, processing and storing it in the data pipeline
• Working with Azure: deploying hybrid multi-tenant environment for customers (dedicated app storage and database, shared API, disaster recovery)
• Supporting the hybrid model — synchronising data between the cloud (Azure, UK-hosted) and a dedicated on-prem server at each customer site
• Implementing data visualisation: historical charts, multi-sensor overlays, zoom in/out with cursor values, custom colours and target bands
• Contributing to automated deployment setup (to avoid manual/non-standard deployments per customer)
• Participating in QA, security review, and performance testing during the final phases
• Close collaboration with the architect: implementing architectural decisions and providing feedback on technical feasibility

Requirements

• 5+ years of commercial development experience in .NET / C#
• Hands-on experience with Blazor (WASM)
• Experience with Microsoft Azure (App Services, Azure Storage, EventHub, CosmosDB, deployment, basic understanding of multi-tenant vs. single-tenant models)
• Experience integrating with IoT devices/sensors, or experience building data pipelines for streaming data
• Understanding of REST APIs, working with external/internal data contracts
• Experience with non-relational databases (CosmosDB)
• Hands-on experience with the AI-assisted development lifecycle (ADLC), including using AI coding tools and agents for implementation, testing and code review, while keeping responsibility for the quality, security and maintainability of the delivered code
• English — Upper-Intermediate (B2) sufficient for reading documentation, communicating within the team and conducting demo meetings

Nice to Have

• Experience with data visualisation/charting libraries
• Knowledge of CI/CD principles and deployment automation (GitHub Actions)
• Experience working on regulated/tender-driven projects (documentation, strict scope control)
• Basic understanding of IoT protocols (MQTT, etc.)

Contract details

• Expected workload: 50% allocation (part-time).
• Following a successful MVP phase, there may be an opportunity to continue working with the project or explore other opportunities within Ralabs.

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