Senior Frontend Developer

Hi, Senior Front-End Developer Contract Poland (Remote) Position Summary We are seeking an experienced and highly motivated Senior Front-End Developer to lead the design and development of modern, scalable, secure, and intuitive web applications for an enterprise software platform hosted on Microsoft Azure. The ideal candidate will have deep expertise in React, TypeScript, and modern front-end architecture, along with 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 high-performance, accessible, and AI-enabled user experiences. As a senior member of the engineering organization, you will contribute to architectural decisions, mentor developers, establish front-end development standards, and help shape the future of AI-powered enterprise applications. The organization's technology landscape includes React-based analytics and AI 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.Define and establish front-end architecture standards, patterns, and best practices.Build reusable, scalable, and maintainable UI component libraries and design systems.Develop responsive, accessible, and intuitive user interfaces for desktop and mobile experiences.Define and maintain component architecture strategies.Design robust state-management and client-side data-handling solutions.Integrate front-end applications with REST APIs, microservices, and enterprise platforms.Optimize application performance, scalability, reliability, and usability.Apply advanced rendering and performance optimization techniques.Participate in code reviews and promote high-quality engineering practices.Collaborate with UX teams to translate business requirements and design concepts into production-ready solutions.React Development Leadership Provide technical leadership for React-based application development.Establish React development standards and best practices across engineering teams.Mentor junior and mid-level developers in React, TypeScript, testing, and front-end architecture.Contribute to technical design and architecture decisions for large-scale applications.Support the development and adoption of reusable UI frameworks and shared component libraries.Angular Collaboration & Modernization Support and maintain enterprise applications built using Angular when required.Collaborate across teams working with both React and Angular applications.Contribute to modernization and migration initiatives.Help establish standards and best practices for multi-framework front-end environments.Azure Cloud Integration Build applications that integrate with Azure-hosted APIs, AI services, and enterprise platforms.Collaborate with Back-End, Cloud, and DevOps teams on application integration and deployment.Implement secure authentication and authorization patterns using Microsoft Entra ID (Azure Active Directory) and related services.Participate in CI/CD processes using Azure DevOps.Collaborate with Cloud and DevOps teams on deployment, monitoring, and release strategies.Ensure solutions align with Azure security, scalability, reliability, and operational standards.Support applications deployed using services such as:Azure App ServicesAzure FunctionsAzure API ManagementAzure MonitorApplication InsightsMicrosoft Entra IDAI-Enabled User Experiences Build modern web applications that integrate with Generative AI capabilities and intelligent assistants.Design conversational user experiences powered by 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 capabilities.Support AI transparency, usability, explainability, and responsible AI practices.Contribute to AI-powered portals, assistants, and agent-driven experiences.Evaluate emerging AI technologies and identify opportunities to improve user experiences and developer productivity. Required Qualifications Education Bachelor's degree in Computer Science, Software Engineering, Information Technology, or a related field.Equivalent professional experience may be considered.Professional Experience 7+ years of professional front-end development experience.3+ years of hands-on experience developing enterprise applications using React.Proven experience designing and delivering large-scale web applications.Experience working within Agile software development teams.Experience collaborating with distributed engineering, product, UX, and business teams. Required Technical Skills Front-End Technologies Strong expertise in: ReactTypeScriptJavaScript (ES6+)HTML5CSS3 / SCSSREST API integrationComponent-driven developmentResponsive web designAccessibility best practicesState Management Experience with one or more of the following: ReduxContext APIZustand or similar state-management solutionsClient-side caching strategiesTesting Experience with: JestReact Testing LibraryCypress or PlaywrightAutomated UI testing frameworksUnit, integration, and end-to-end testing practicesMicrosoft Azure Working experience with: Azure App ServicesAzure API ManagementMicrosoft Entra ID / Azure Active DirectoryAzure DevOpsAzure MonitorApplication InsightsAzure-hosted API ecosystemsAI & Modern Engineering Working knowledge of: Generative AI conceptsLarge Language Models (LLMs)AI-assisted user experiencesPrompt engineering fundamentalsRetrieval-Augmented Generation (RAG)Azure OpenAI ServiceAzure AI SearchAI agents and agentic workflowsConversational interfacesResponsible AI principles Preferred Qualifications Experience with Angular development.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.Experience integrating AI assistants, LLMs, or intelligent search into web applications.Experience with enterprise-scale modernization or front-end migration initiatives. Leadership Competencies The successful candidate will demonstrate: Strong technical leadership and mentoring skills.Excellent problem-solving and analytical abilities.Architecture and design-thinking capabilities.Strong customer and end-user focus.Excellent collaboration and stakeholder engagement skills.Clear communication and presentation skills.A continuous-improvement mindset.Innovation, curiosity, and enthusiasm for emerging AI technologies.Ability to work effectively with distributed and cross-functional teams. Success Measures Success in this role will be measured by: Delivery of high-quality, scalable, secure, and maintainable front-end solutions.Improved application performance, usability, accessibility, and reliability.Strong engineering standards and code quality across front-end development.Successful adoption of reusable UI frameworks, component libraries, and design patterns.Effective integration of AI-enabled capabilities into enterprise products.Positive stakeholder and end-user feedback.Successful collaboration across React, Angular, Azure, AI, and back-end engineering teams.Meaningful contribution to engineering excellence and developer productivity. Ideal Candidate Profile The ideal candidate is a senior React engineer and technical leader who combines deep front-end expertise with a passion for creating world-class enterprise user experiences. You are comfortable working within Azure-based cloud environments, collaborating across Product, UX, Architecture, AI, and Engineering teams, and contributing to technical decisions that influence enterprise-scale applications. You have a strong understanding of modern front-end architecture and are capable of balancing scalability, performance, accessibility, security, and maintainability. You are also excited about the evolution of AI-powered applications, intelligent assistants, AI agents, semantic search, and agentic workflows. This role is an opportunity to help shape the next generation of enterprise software by combining strong front-end engineering practices with emerging AI technologies to deliver measurable business value.