Senior Frontend Software Engineer

About the Role

Our client, a Fortune 50 retail leader, is seeking a Senior Frontend Software Engineer to join their Indirect Planning Engineering team. This team is responsible for maintaining, modernizing, and evolving a large portfolio of enterprise React applications that support critical business capabilities across the organization.

The environment is a large-scale frontend ecosystem consisting of dozens of React-based applications, paired with a modern backend built on Java/Kotlin Spring Boot microservices. You'll be stepping into mature systems where your ability to quickly understand existing code, drive meaningful improvements, and collaborate across multiple teams will directly impact the user experience for enterprise-wide business functions.

This role is best suited for engineers who thrive in complex enterprise environments, are comfortable jumping into established codebases with minimal onboarding, and are passionate about modernizing legacy applications while delivering secure, high-quality frontend experiences.

Job Description

As a Senior Frontend Software Engineer, you will play a key role in shaping the future of a large enterprise React ecosystem. You'll contribute to modernization efforts, improve performance and maintainability, and help establish frontend engineering best practices across teams.

Responsibilities:

• Develop and maintain enterprise React applications supporting critical business capabilities
• Build and enhance applications within a Micro Frontend architecture
• Modernize legacy React implementations and refactor class-based components into modern React patterns
• Improve frontend performance, scalability, and maintainability across the application portfolio
• Remediate frontend security vulnerabilities and support secure development practices
• Improve accessibility and usability in alignment with WCAG standards
• Build reusable and maintainable shared components for use across multiple applications
• Participate in architecture discussions and peer code reviews
• Collaborate with backend engineers, UX partners, and product teams to deliver cohesive solutions
• Promote frontend engineering best practices and drive continuous improvement across teams

Qualifications

Candidates should also understand how to responsibly leverage AI tools to support code comprehension, refactoring, test generation, documentation, bug investigation, and modernization work — while maintaining strong engineering judgment and upholding security, accessibility, and maintainability standards.

Required Qualifications

• Strong experience with React 18+, Typescript, and working in large enterprise codebases
• React
• Strong hands-on experience with React 18+
• Deep knowledge of React Hooks, Context API, and custom hooks
• Experience with React Router
• Familiarity with error boundaries, code splitting, lazy loading, and component composition
• TypeScript
• Advanced TypeScript experience
• Strong understanding of generics, utility types, and type-safe API integration
• Ability to design and maintain scalable TypeScript-based frontend code
• Enterprise Frontend Development
• Experience working in large enterprise codebases
• Background modernizing legacy React applications
• Proven ability to complete large-scale refactoring efforts
• Ability to simplify state management and improve maintainability
• Comfortable reading, understanding, and improving existing code
• Experience delivering production-quality frontend software
• State Management
• Experience with one or more of the following:
• Redux Toolkit
• React Query / TanStack Query
• Context-based state architectures
• Testing
• Strong experience with Jest and React Testing Library
• Experience with component testing, API mocking, and unit testing
• Focus on frontend quality and test automation
• Secure Frontend Development
• Experience with secure frontend development practices
• Familiarity with dependency management and vulnerability remediation
• Understanding of secure authentication patterns
• Working knowledge of OWASP guidance
• Experience building accessible applications using WCAG principles
• Comfort using ESLint and Prettier to support code quality
• Required Tooling
• VS Code
• Git
• GitHub
• TypeScript
• ESLint
• Prettier

Preferred Qualifications

• Micro Frontend Architecture Experience
• Module Federation
• Shared component libraries
• Independent deployments
• Cross-team frontend ownership
• Distributed UI architectures
• Shared dependency management
• Version compatibility management
• Cross-application communication
• Routing boundaries
• Performance optimization
• Long-term maintainability
• Additional Strong Pluses
• Enterprise design systems
• CI/CD pipelines
• Production support experience
• API integration experience
• Performance profiling
• Accessibility-first development
• Experience working with open source technologies and frameworks
• Experience with AI-assisted development tools such as GitHub Copilot, ChatGPT Enterprise, Cursor, or similar
• Nice-to-Have Tooling
• React DevTools
• GitHub Copilot
• Storybook
• Lighthouse
• Bundle analysis tools
• Chrome DevTools Performance Profiler
• Web Vitals
• Ideal Candidate Profile
• Becoming productive quickly in enterprise environments
• Working effectively in large, mature codebases
• Improving software written by multiple engineering teams
• Leading or contributing to significant frontend modernization efforts
• Optimizing performance and user experience
• Writing clean, maintainable, and well-tested code
• Collaborating across distributed engineering organizations
• Delivering secure, scalable, high-quality frontend applications

Benefits

Dahl Consulting is proud to offer a comprehensive benefits package to eligible employees that will allow you to choose the best coverage to meet your family’s needs. For details, please review the DAHL Benefits Summary.

Equal Opportunity Statement

As an equal opportunity employer, Dahl Consulting welcomes candidates of all backgrounds and experiences to apply. If this position sounds like the right opportunity for you, we encourage you to take the next step and connect with us. We look forward to meeting you!