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Frontend Engineer (Js, TypeScript)

Sundayy

hybridleadpermanentfrontendengineering-management United States 13 days ago via LinkedIn

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Tags

ReactTypeScriptReduxJavaScriptFront-End ArchitectureREST APIsResponsive DesignCross-Browser CompatibilityUnit TestingMentoring

About the role

Role Overview

Lead Front-End Engineer to design and build scalable, maintainable, high-performance front-end architecture for a React/Redux single-page application. You’ll partner with product managers and leadership in a startup environment, and mentor junior engineers.

Responsibilities

  • Collaborate with stakeholders to review and refine product requirements and specifications
  • Lead development of a React/Redux single-page application using best practices and high-quality code
  • Make front-end architectural decisions and choose design patterns/front-end libraries to optimize performance and maintainability
  • Ensure comprehensive testing via unit, integration, and end-to-end tests
  • Conduct code reviews and provide constructive feedback to maintain industry standards
  • Coordinate with other engineering teams to deliver features on time and to spec
  • Mentor junior engineers and promote continuous improvement
  • Stay current with industry trends and incorporate best practices

Requirements

  • 5+ years of professional software development experience
  • 3+ years hands-on with React and Redux (or equivalent front-end frameworks)
  • 1+ year leadership experience managing and/or mentoring engineering teams
  • Strong proficiency in React, Redux, TypeScript, JavaScript, HTML5, and CSS3
  • Experience with responsive design and cross-browser compatibility
  • Knowledge of RESTful APIs and integration techniques
  • Fluent English and strong communication skills
  • California permanent resident status

Nice to Have

  • Previous startup experience

Work Arrangement

  • Initially remote; based out of California once circumstances permit
  • Flexible working hours and remote work options (per benefits)

About Sundayy

Surefront (Sundayy) provides a cloud-based collaboration platform that integrates retailers and suppliers using its Unified Collaboration Management (UCM) solution. It connects enterprise systems like ERPs, PLMs, and PIMs into a unified workspace to streamline workflows and improve business outcomes such as sales and profitability. The company focuses on innovation and building high-performance, scalable applications for collaborative operations.

Scraped 7/13/2026