Contract React Frontend Developer Jobs in Kansas

Requisition ID: 181984
Job Level: Mid Level
Home District/Group: DHO Information Technology Group
Department: Technology Group
Market: Corporate Home Office
Employment Type: Full Time
Position Overview
Kiewit is seeking an AI Engineer to help design, develop, and operate intelligent AI systems that support complex enterprise workflows across the organization. This role focuses on building scalable, reliable, and secure AI-enabled services that integrate with internal platforms, data systems, and user-facing applications.
This role is primarily backend-focused, with approximately 70% of time spent on backend systems and services and 30% of time contributing to frontend and user interface work. The ideal candidate has strong experience delivering backend services in cloud environments and is comfortable working with modern AI architectures, including agent-based systems, workflows, and retrieval-augmented generation (RAG). The engineer will work closely with product managers and software teams to deliver AI-enabled capabilities into production environments.
District Overview
Kiewit Technology Group builds solutions to enable and support our company's expansive operations. Our mission is to deliver project schedule and cost certainty by employing technology designed by and for the construction industry. Our team utilizes systems and tools that manage every part of Kiewit's business and the project lifecycle to improve planning and day-to-day execution in the field. We give our people real-time data to make faster, smarter decisions.
Location
This is a full time in office role available for local KC metro candidates - we are not offering relocation assistance at this time.
Responsibilities
• Design, develop, and deploy AI-enabled services and agent-based workflows
• Build and maintain API-driven backend services supporting AI-powered applications
• Contribute to frontend components and user interfaces as needed to support AI workflows
• Implement multi-step AI workflows capable of tool usage, data retrieval, and external system integration
• Integrate AI systems with enterprise data platforms and business systems
• Develop and maintain observability, logging, and monitoring for AI services
• Collaborate with cross-functional teams to translate business needs into scalable technical solutions
• Ensure solutions meet security, compliance, and governance standards
• Participate in architectural reviews and contribute to platform standards and best practices
Technologies & Platforms
• Programming Languages & Frameworks: C#, Python, Node.js (JavaScript / TypeScript), RESTful APIs
• AI Systems & Workflows: LLMs, MCPs, agent-based workflows, Retrieval-Augmented Generation (RAG)
• Data & Storage: SQL, relational data modeling, PostgreSQL, Azure SQL
• Cloud & Execution Platforms: Azure Container Apps, Docker, containerized services; Vercel Sandboxes or similar isolated execution environments
• Workflow Orchestration: Azure Functions Durable Task Scheduler, Vercel Workflows, or similar orchestration frameworks
• Developer Tooling: Cursor IDE or similar IDEs with agentic coding capabilities, Git-based workflows
Qualifications
Required Qualifications
• Bachelor's degree in Computer Science, Engineering, or a related field (or equivalent experience)
• 3+ years of professional software engineering experience
• Experience building and operating backend APIs and services
• Hands-on experience with MCPs and AI workflows
• Experience designing and operating containerized services, including Docker and container sandboxing
• Hands-on experience with Retrieval-Augmented Generation (RAG) systems
• Proficiency with SQL and relational database design
• Experience developing and deploying cloud-native applications in production environments
Preferred Qualifications
• Experience designing or operating agent-based AI systems in enterprise environments
• Experience with PostgreSQL
• Prompt engineering experience
• Familiarity with Claude Agent SDK, Anthropic tooling, or similar agent frameworks
• Experience with LangFuse or other AI observability and tracing platforms
• Experience using Node.js ORMs such as Prisma or Drizzle
• Experience building APIs with Express, Fastify, or similar Node-based frameworks
• Experience contributing to frontend and UI development for AI-enabled applications
• Familiarity with React and modern frontend development practices
• Experience using Shadcn UI or similar component libraries
• Knowledge of DevOps practices and CI/CD pipelines
Other Requirements:

• Regular, reliable attendance
• Work productively and meet deadlines timely
• Communicate and interact effectively and professionally with supervisors, employees, and others individually or in a team environment.
• Perform work safely and effectively. Understand and follow oral and written instructions, including warning signs, equipment use, and other policies.
• Work during normal operating hours to organize and complete work within given deadlines. Work overtime and weekends as required.
• May work at various different locations and conditions may vary.

We offer our fulltime staff employees a comprehensive benefits package that's among the best in our industry, including top-tier medical, dental and vision plans covering eligible employees and dependents, voluntary wellness and employee assistance programs, life insurance, disability, retirement plans with matching, and generous paid time off.
Equal Opportunity Employer, including disability and protected veteran status.
There's no limit to what you'll do at Kiewit. Whether you're building or supporting projects that provide communities with dependable energy, safe transportation, clean water, or access to health care, the work you do will positively impact people's lives for generations to come.
Here you'll have endless opportunities to expand your expertise through on-the-job experience and internal and external training and development opportunities.
We offer our full-time staff employees a comprehensive benefits package that's among the best in our industry. From top-tier health care programs to employee assistance programs and retirement planning, we aim to provide you with the tools you need to be successful in the areas of life that matter most to you.
Kiewit is an equal-opportunity employer, and we believe a diverse workforce is vital to the success of our business. We continue our efforts to attract, develop and retain employees from all backgrounds who are passionate about our industry.
We are committed to veteran and military hiring and will consider relevant military experience as equivalent to qualification requirements.