Senior Front-End Developer

Job Title: Sr. Front End Developer Job Location: Poland, Remote Job Type: Contract Job Description: Position Summary We are seeking an experienced and highly motivated Senior Front-End Developer to lead the design and development of modern, scalable, and intuitive web applications for an enterprise software platform hosted on Microsoft Azure. The successful candidate will possess deep expertise in React, TypeScript, and modern front-end architecture patterns, while also having experience or familiarity with Angular-based applications. This role will work closely with Product Managers, UX Designers, Architects, Business Analysts, AI Engineers, and Back-End Developers to deliver secure, high-performance, and AI-enabled user experiences. As a senior member of the engineering organization, this individual will contribute to architectural decisions, mentor developers, establish development standards, and help shape the future of AI-powered enterprise applications. Enterprise architecture patterns within the organization include React-based analytics and assistant experiences, Angular-based management applications, Azure-native services, and AI-driven user interfaces. Key Responsibilities: Front-End Architecture & Development Design, develop, and maintain enterprise-grade web applications using React and TypeScript.Build reusable, scalable, and maintainable UI component libraries and design patterns.Define front-end architecture standards and best practices.Develop responsive and accessible user interfaces that support desktop and mobile experiences.Collaborate with UX teams to transform business requirements and designs into production-ready solutions.Promote high-quality engineering practices through code reviews and technical leadership.The organization's architecture includes React-based analytics experiences and AI-powered assistant interfaces that require scalable SPA (Single Page Application) patterns. Enterprise Application Development Collaborate with back-end teams to integrate APIs and microservices.Implement secure authentication and authorization patterns.Design robust state management and client-side data handling solutions.Optimize application performance, scalability, reliability, and usability.Support integration with enterprise systems and cloud-native services. React Development Leadership • Lead development efforts using: ◦ React ◦ TypeScript ◦ JavaScript (ES6+) ◦ HTML5 CSS3 / SCSS • Define and maintain component architecture strategies. • Improve performance through advanced rendering and optimization techniques. •Mentor junior and mid-level developers in React best practices. React is specifically identified as a primary front-end technology for analytics and assistant style user experiences Angular Collaboration • Support and maintain applications built using Angular when required. • Contribute to modernization and migration initiatives. • Collaborate across teams supporting both React and Angular applications. • Assist in establishing standards for multi-framework environments. Angular remains an important technology within the enterprise application portfolio Azure Cloud Integration Build applications that integrate with Azure-hosted APIs, AI services, and enterprise platforms.Participate in CI/CD processes utilizing Azure DevOpsCollaborate with cloud and DevOps teams on deployment, monitoring, and release strategies.Ensure solutions align with Azure security, scalability, and operational standards.Enterprise solutions are deployed through Azure services including Azure App Services, Azure Functions, Azure DevOps, Azure Monitor, and Azure Active Directory. AI-Enabled User Experiences Build modern interfaces that integrate with Generative AI capabilities and intelligent assistants.Design conversational user experiences that leverage Large Language Models (LLMs).Develop user interfaces supporting AI agents, semantic search, recommendations, and intelligent workflows.Partner with AI engineering teams to deliver AI-powered business capabilitiesSupport AI transparency, usability, explainability, and responsible AI practices.Evaluate emerging AI technologies to improve user experience and developer productivityCurrent enterprise architecture includes AI-driven interfaces, chatbot experiences, AI agents, Azure OpenAI, Azure AI Search, orchestrator agents, and agentic workflows surfaced through modern web applications. Required Qualifications Education • Bachelor's degree in Computer Science, Software Engineering, Information Technology, or related field. • Equivalent professional experience will be considered Experience • 7+ years of professional front-end development experience. • 3+ years developing enterprise applications using React. • Experience designing and delivering large-scale web applications. • Experience working within Agile software development teams. • Experience collaborating with distributed engineering and product teams Required Technical Skills Front-End Technologies Strong expertise in: • React • TypeScript • JavaScript (ES6+) • HTML5 • CSS3 / SCSS • REST API integration • Component-driven development • Responsive web design State Management Experience with: • Redux • Context API • Zustand or similar solutions • Client-side caching strategies Testing Experience with: • Jest •React Testing Library • Cypress or Playwright • Automated UI testing framework Microsoft Azure Experience Working experience with: • Azure App Services • Azure API Management • Azure Active Directory / Entra ID • Azure DevOps • Azure Monitor • Application Insights • Azure-hosted API ecosystems These technologies form part of the organization's Azure-based delivery model AI & Modern Engineering Skills Working knowledge of: •Generative AI concepts Large Language Models (LLMs) • AI-assisted user experiences • Prompt engineering fundamentals • Retrieval-Augmented Generation (RAG) • Azure OpenAI Service • Azure AI Search • AI agents and agentic workflows • Conversational interfaces • Responsible AI principles The organization's strategic architecture includes AI agents, orchestrator frameworks, Azure OpenAI, Azure AI Search, AI-powered portals, and intelligent discovery experiences. Preferred Qualifications • Angular development experience. • Experience with Next.js. • Experience supporting AI-powered applications. • Experience building design systems and shared component libraries. • Familiarity with containerized and microservices-based architectures. • Experience working in Azure-centric enterprise environments Leadership Competencies • Technical leadership and mentoring. • Strong problem-solving skills. • Architecture and design thinking. • Customer-focused mindset. • Collaboration and stakeholder engagement. • Continuous improvement mentality. • Excellent communication and presentation skills. • Innovation and curiosity around emerging AI technologies. Success Measures • Delivery of high-quality, scalable front-end solutions. • Improved application performance, usability, and accessibility. • Strong engineering standards and code quality. •Successful adoption of reusable UI frameworks and design patterns. •Effective integration of AI-enabled capabilities into products. • Positive stakeholder and end-user feedback. • Contribution to engineering excellence across the development organization Ideal Candidate Profile The ideal candidate is a senior React engineer who combines deep technical expertise with a passion for creating world-class enterprise user experiences. They are comfortable working within Azure-based cloud environments, collaborating across product and engineering disciplines, and helping shape the next generation of AI-enabled applications, intelligent assistants, and agent-driven experiences that deliver measurable business value