> Markdown version of [/jobs/ext/3659231-web-application-developer](https://www.wearedevelopers.com/jobs/ext/3659231-web-application-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Web Application Developer - **Company:** Halian - **Location:** Medina, WA, United States - **Contract:** Temporary contract - **Skills:** HTML, JavaScript (Programming Language), Application Programming Interfaces (APIs), Artificial Intelligence, Application Integration Architecture, Software Applications, User Authentication, Cascading Style Sheets (CSS), Cloud Computing, Code Generation, Databases, Continuous Integration, Iterative and Incremental Development, Systems Development Life Cycle, Rapid Prototyping Process, OpenAI, Next.js, Software Deployment, Software Engineering, Systems Integration, TypeScript, Web Applications, Workflow Management Systems, Enterprise Software Applications, Cloud Platform System, ReactJS, Large Language Models, Software Security, Generative AI, Backend, Agentic-AI, External System Integrations, Web Technologies, Front End Software Development, Claude, Virtual Agents, Software Version Control, Api Management - **Published:** October 9, 2026 - **Apply:** https://www.disabledperson.com/jobs/75935034-web-application-developer ## About the Role Must Have Strong experience developing modern web applications Proficiency in: * HTML * CSS * JavaScript and/or TypeScript Experience with modern front-end frameworks Experience developing and integrating APIs and backend services Experience deploying applications in cloud/hosted environments Hands-on experience with: * Generative AI * Large Language Models (LLMs) * AI-powered application development Understanding of Agentic AI concepts: * Tool calling * Multi-step workflows * External system integrations Experience converting prototypes or proof-of-concepts into production applications Knowledge of: * Authentication & Authorization * Application Security * Enterprise deployment practices Experience integrating enterprise APIs, databases, and systems Strong SDLC knowledge: * Testing * Version Control * CI/CD & Deployment Excellent communication and stakeholder management skills, * Hands-on experience with Claude * Experience with OpenAI and other enterprise LLM platforms * React, Next.js, or similar frameworks * Secure enterprise application development * Cloud hosting and deployment experience * AI agent frameworks and orchestration tools * Rapid prototyping and iterative development * Strong product mindset and focus on user experience * Experience working with cross-functional business and technical teams ## Description We are seeking an experienced Web Application Developer with Agentic AI expertise to join a cutting-edge team focused on building intelligent, enterprise-grade web applications. This role will involve transforming AI-generated prototypes and concepts into secure, scalable, and production-ready solutions while leveraging Generative AI, LLMs, and Agentic AI workflows. The ideal candidate will be a strong full-stack developer with experience in modern web technologies, cloud environments, API integrations, and AI-powered applications., * Collaborate with business stakeholders to understand application goals, requirements, and AI-driven concepts. * Convert AI-generated prototypes and HTML artifacts into maintainable, enterprise-grade web applications. * Design and develop modern front-end applications and supporting backend services. * Build and integrate APIs, enterprise systems, databases, authentication services, and AI capabilities. * Develop Agentic AI workflows involving tool usage, multi-step reasoning, and external system integrations. * Review and enhance AI-generated code for security, scalability, maintainability, and performance. * Partner with architects, developers, security teams, data teams, and business leaders to deliver business solutions. * Communicate technical concepts, architecture decisions, risks, and recommendations to both technical and non-technical stakeholders. * Stay current with emerging AI technologies and recommend innovative solutions that improve business outcomes.