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Role & Responsibilities
About the job Senior Front-End Developer
React18, TypeScript5, MaterialUI, microfrontends, .NET6 BFF, REST + NServiceBus queues, AzureDevOps (YAML pipelines), Docker/Kubernetes, ApplicationInsights.
Musthave Skills
MaterialUI, SignalR / realtime push, Docker/Kubernetes, Azure DevOps YAML pipelines, ApplicationInsights.
Soft traits
Adaptable to shifting priorities, proactive, customercentric, comfortable coaching remote teammates (Poland).
About the job Senior Front-End Developer
- Own the frontend code base (React+TypeScript) and drive its evolution.
- Refactor legacy modules and deliver new greenfield features.
- Contribute to build and maintain the BFF (.NET6) that bridges microservices (NServiceBus) and the UI.
- Establish best practices (architecture, code reviews, docs) and mentor 23 fullstack engineers.
- Partner with the backend architect, QA and UX/UI designer to shape solutions.
- Suggest and implement improvements (packaging, performance, automated tests).
React18, TypeScript5, MaterialUI, microfrontends, .NET6 BFF, REST + NServiceBus queues, AzureDevOps (YAML pipelines), Docker/Kubernetes, ApplicationInsights.
Musthave Skills
- 7+years professional React & TypeScript.
- Proven technical leadership (code reviews, mentoring).
- Solid Git workflows.
- Clear technical writing (Confluence / markdown).
- Fluent English.
- Microfrontend architecture.
- Packaging strategies (NPM, monorepo).
- Web performance tuning.
- SOLID principles & design patterns.
- Basic autonomy in C#/.NET to tweak the BFF.
MaterialUI, SignalR / realtime push, Docker/Kubernetes, Azure DevOps YAML pipelines, ApplicationInsights.
Soft traits
Adaptable to shifting priorities, proactive, customercentric, comfortable coaching remote teammates (Poland).
Key Skills
Ranked by relevance
microservices
confluence
designer
devops
react
git
npm
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- Posted
- Jul 10, 2025
- Type
- Full-time
- Level
- Mid-Senior
- Location
- Brussels
- Company
- Keystone Solutions
Industries
Information Technology & Services
Categories
Engineering
Information Technology
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3 roles aligned with this opportunity
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