Demo

Senior Front-End Developer (Contract)

Concurrency
Brookfield, WI Other
POSTED ON 12/19/2025
AVAILABLE BEFORE 2/18/2026

Who We Are 

At Concurrency, we embody innovation. We're not just tech consultants; we are forward thinkers with a purpose. Our team thrives on disrupting the norm, constantly seeking the next challenge and pushing boundaries to redefine what's achievable. Recognized as a Microsoft Gold Partner, a ServiceNow Elite Partner, and recipient of multiple Partner of the Year awards, Concurrency is synonymous with excellence. If you're fueled by the desire to transform technology into real-world solutions, join us and unleash your potential as a change catalyst. 

 

Who We’re Looking For

We’re excited to add a Senior Software Engineer with a front-end specialization to work on a project with one of our customers as part of our Service Delivery team. In this role, you’ll drive the modernization of their user interface using Blazor WebAssembly (WASM), aligning with the customers multi-user personas and secure navigation needs. You’ll bring strong technical expertise in custom web development, UI/UX design, and Azure Cloud solutions (including SaaS and PaaS). You’ll have a passion for designing intuitive interfaces and evangelizing Microsoft offerings.

 

At Concurrency, we believe in living out our core values every day. These principles guide our actions, decisions, and interactions: 

 

Be Yourself: Be the best version of your whole self. Your authenticity matters.  

Be Bold: Bravely and respectfully take risks and challenge the norm. 

Have a Growth Mindset: Be open to learning and apply your expertise. 

Be the Difference: Ensure that every interaction with your colleagues, clients and community improves their lives. Pay it forward. 

Assume Positive Intent: Lead with giving the benefit of the doubt. 

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What You'll Do
  • Work closely with both internal and customer teams to gather requirements and make suggestions for modern custom solutions
  • Design and implement responsive UI components using Blazor WASM, HTML, CSS, and C#
  • Translate user personas and workflows into intuitive, accessible interfaces
  • Collaborate with UX architects to evolve low- and high-fidelity wireframes into production-ready screens
  • Optimize UI performance across corporate, credit union, and business user contexts
  • Implement secure flows and role-based access aligned with the customer’s Active Directory and routing logic
  • Integrate micro front-end architecture where applicable to support modular UI delivery
  • Participate in the planning, design, and development of new solutions as well as in enhancements, modifications, and corrections to existing solutions
  • Submit daily hours billed to cloud-based project management software, Kantata, for time tracking
  • Research and consider emerging technologies to improve current applications, architectures and processes
  • Document design decisions and contribute to the evolving style guide and design system
  • Stay current on Microsoft ecosystem tools and contribute to UI innovation using AI-assisted development tools
  • Participate in Agile ceremonies and collaborate with backend and QA teams for full-stack alignment 


What You'll Need
  • Over 5 years of experience in full life cycle development
  • Proven experience designing and building modern front-end applications using Blazor WASM
  • Experience with C#, HTML, CSS, JavaScript, React, Angular (v17 ), and React Native/.NET MAUI
  • Professional experience in Azure
  • Exposure to cloud-native architecture and microservices
  • Understanding of all phases of the software development lifecycle
  • Strong problem-solving, communication and organizational skills
  • A passion for learning as demonstrated by involvement in technology-focused academic extracurriculars


What Will Set You Apart
  • Earned Bachelor’s degree in Information Technology, Management Information Systems, Computer Science, Computer Engineering or Software Engineering
  • Experience working in a professional services organization
  • Experience with multi-agent systems or AI orchestration
  • CI/CD pipeline experience, containerization (Docker/Kubernetes), and infrastructure-as-code (Terraform, Bicep)
  • Contributions to open-source projects or community-driven development
  • Experience contributing to design systems, style guides, and UI documentation


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Concurrency is committed to revolutionizing consulting by embracing diverse perspectives, fostering collaboration, and promoting resilience. Our workplace is both innovation-driven and enjoyable. We provide flexible work schedules, competitive compensation, and comprehensive benefits for our employees and their families. Additionally, all team members have access to recognition programs, comprehensive training opportunities to thrive both professionally and personally. 

Hourly Wage Estimation for Senior Front-End Developer (Contract) in Brookfield, WI
$54.00 to $63.00
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