{"schemaVersion":"jobsearcher.job.v1","id":"50c09dde7de2da85e6fbd934","url":"https://jobsearcher.com/jobs/50c09dde7de2da85e6fbd934","canonicalUrl":"https://jobsearcher.com/jobs/50c09dde7de2da85e6fbd934","title":"Knowledge Solutions Senior Developer","description":"This position can be C2H OR Direct hire. Hybrid 3 days onsite in Philadelphia to start.USC/GC holders onlyJoin a small, high-impact engineering team where your work directly shapes how attorneys and business professionals access knowledge and interact with emerging AI-driven solutions across the firm. You’ll own meaningful front-end architecture decisions, shape modern React experiences and help define how AI capabilities are surfaced through intuitive, high-quality user interfaces.What you’ll do:Design and build modern, scalable front-end applications using React, TypeScript, and modern web frameworks.Turn Figma designs into fast, accessible, production-quality UI.Own front-end architecture and make key technical decisions with minimal oversight.Build user experiences for AI-driven features such as search, recommendations, and data-rich interfaces.Collaborate with backend developers to integrate REST and GraphQL APIs, using schema-driven development and code generation.Build with quality by default: strong unit test coverage (Jest, React Testing Library).Implement feature flags to enable safe releases, experimentation, and iterative delivery.Write code that is testable, observable, and designed for long-term maintainability.Write and maintain clean, CI/CD-ready code that supports automated testing and seamless deployment processes.Integrate applications with Azure App Insights for monitoring and observability.Ensure adherence to security, accessibility (WCAG), and performance best practices.Actively use AI-assisted development tools (GitHub Copilot, Codex-based tools, etc.) to accelerate developmentExperience and qualifications:6–8+ years of front-end development experienceDeep expertise in JavaScript, TypeScript, React, and modern CSSExperience building production-grade, user-facing applicationsStrong experience with GraphQL and client-side integration patternsExperience using GraphQL code generation toolsSolid understanding of API integration and data flowExperience working in collaborative Git environmentsComfort working in Agile teamsNice to have:Experience with SPFx / SharePoint OnlineFamiliarity with Power Platform (Power Apps, Power Automate) and integrating low-code solutions with custom-built applicationsExperience building or contributing to design systems or component librariesExposure to performance tuning and front-end observability","company":"Open Systems Technologies","rawCompany":"open systems technologies","city":"Coatesville","state":"PA","isRemote":false,"isActive":false,"createdAt":"2026-07-03T10:34:08.007Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1254.00","title":"Web Developers","slug":"web-developers"},{"code":"15-1255.00","title":"Web and Digital Interface Designers","slug":"web-and-digital-interface-designers"}],"industries":[{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"},{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Knowledge Solutions Senior Developer","description":"This position can be C2H OR Direct hire. Hybrid 3 days onsite in Philadelphia to start.USC/GC holders onlyJoin a small, high-impact engineering team where your work directly shapes how attorneys and business professionals access knowledge and interact with emerging AI-driven solutions across the firm. You’ll own meaningful front-end architecture decisions, shape modern React experiences and help define how AI capabilities are surfaced through intuitive, high-quality user interfaces.What you’ll do:Design and build modern, scalable front-end applications using React, TypeScript, and modern web frameworks.Turn Figma designs into fast, accessible, production-quality UI.Own front-end architecture and make key technical decisions with minimal oversight.Build user experiences for AI-driven features such as search, recommendations, and data-rich interfaces.Collaborate with backend developers to integrate REST and GraphQL APIs, using schema-driven development and code generation.Build with quality by default: strong unit test coverage (Jest, React Testing Library).Implement feature flags to enable safe releases, experimentation, and iterative delivery.Write code that is testable, observable, and designed for long-term maintainability.Write and maintain clean, CI/CD-ready code that supports automated testing and seamless deployment processes.Integrate applications with Azure App Insights for monitoring and observability.Ensure adherence to security, accessibility (WCAG), and performance best practices.Actively use AI-assisted development tools (GitHub Copilot, Codex-based tools, etc.) to accelerate developmentExperience and qualifications:6–8+ years of front-end development experienceDeep expertise in JavaScript, TypeScript, React, and modern CSSExperience building production-grade, user-facing applicationsStrong experience with GraphQL and client-side integration patternsExperience using GraphQL code generation toolsSolid understanding of API integration and data flowExperience working in collaborative Git environmentsComfort working in Agile teamsNice to have:Experience with SPFx / SharePoint OnlineFamiliarity with Power Platform (Power Apps, Power Automate) and integrating low-code solutions with custom-built applicationsExperience building or contributing to design systems or component librariesExposure to performance tuning and front-end observability","datePosted":"2026-07-03T10:34:08.007Z","dateModified":"2026-07-03T10:34:08.007Z","hiringOrganization":{"@type":"Organization","name":"Open Systems Technologies","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Coatesville","addressRegion":"PA","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"50c09dde7de2da85e6fbd934"},"url":"https://jobsearcher.com/jobs/50c09dde7de2da85e6fbd934"}}