Front-end Engineer

We’re looking for an exceptional Sr. Frontend Engineer to lead the design, development, and optimization of user-facing features across our web and mobile experiences. You will own core user flows, build clean and reusable components, and deliver fast, intuitive, and polished experiences that delight users at scale.

This is a hands-on, high-impact role ideal for someone who loves building beautiful interfaces, optimizing performance, and shipping features that users can feel instantly. You’ll collaborate closely with backend, product, and design to bring new capabilities to market through rapid iterations and continuous deployment.

What You’ll Do

• Architect, build, and maintain scalable frontend features that power core user experiences, product workflows, and automation capabilities
• Build scalable, reusable UI components and design systems
• Implement responsive layouts and accessibility best practices across devices
• Optimize rendering performance, page speed, code splitting, and asset delivery
• Monitor frontend performance, error tracking, and user session metrics
• Identify frontend bottlenecks and drive improvements to user experience and conversion
• Implement features for web-first experiences with support for React Native mobile surfaces
• Collaborate with backend engineers to integrate REST APIs and real-time features
• Work in 2-week sprints with CI/CD and code review best practices
• Contribute to frontend architecture decisions, tooling, state management, and build pipelines
• Maintain a high standard of code quality, documentation, and testing, * Take ownership of features end-to-end, from concept to production
• Move quickly and thrive in high-velocity environments
• Communicate clearly in asynchronous teams
• Care deeply about UI quality and user experience, not just code
• Push for clarity, simplicity, and constant improvement
• Alignment with our core values:
• Accountable: You take ownership of your responsibilities, demonstrating trustworthiness and self-discipline. You are consistent in your work, transparent in your actions, and communicate effectively. You follow through on commitments and strive for continuous improvement.
• Action-driven: Identify what is most important, agree on scope, execute in a timely manner, and drive the greatest impact. You take initiative, roll up your sleeves, and get things done.
• Caring: You genuinely care about yourself and others, our business and craft, our mission and vision, and are passionate in heart and mind. You understand the importance of our team and strive to create a positive, supportive work environment.
• Curious: You focus on the ‘why,’ learn and expand your knowledge, explore new ideas, and generally make things better. You’re a lifelong learner with a thirst for knowledge and a constant desire to improve.
• Thorough: Your work is thoughtful, impactful, timely, accurate, and complete. You pay attention to detail, are meticulous, and ensure quality work and compliance.

We Believe in the Following Workplace Norms

• Allow OKRs to Guide Us
• Assume Positive Intent
• Agree to Disagree & Commit
• Set New Precedents
• Accomplish More with Less
• Hold Yourself & Others to High Standards
• Speak Up
• Be Resourceful
• Follow the 80/20 Rule, Lead design, development, and maintenance of enterprise-grade React + TypeScript applications. Own front-end performance, responsiveness, and security; integrate with .NET/Azure backends; mentor junior developers; perform code reviews and debugging; modernize legacy apps; collaborate with designers, offshore teams, and stakeholders in Agile ceremonies.

• 6+ years of frontend engineering experience, ideally in consumer apps, SaaS, or browser-based utilities
• Expert-level proficiency in React Native + TypeScript (core to this role)
• Production experience with React Native or ReactJS (mobile required, web preferred)
• Strong understanding of JavaScript fundamentals, modern frontend patterns, and component architecture
• Experience integrating UI with APIs (REST, real-time, or event-based)
• Familiarity with mobile UI patterns on Android/iOS (React Native)
• Experience optimizing performance, accessibility, and rendering efficiency
• Experience with visual debugging, error monitoring, and analytics tools (e.g., Sentry, LogRocket, PostHog, Amplitude, Mixpanel)

Preferred

• Experience designing and implementing responsive, user-friendly interfaces for complex workflows, data-rich experiences, filtering, and list-based views
• Experience building mobile apps with Expo platform
• Experience working in Node-based frontend build environments (Next.js, Vite, Webpack)
• Experience building Chrome or browser extensions
• Familiarity with Firebase for auth, messaging, or real-time features

Nice to Have

• Experience with feature flags, experimentation, or A/B testing
• AI-assisted development (GitHub Copilot, Cursor, etc.)
• Exposure to design systems, storybook libraries, or component frameworks
• Experience with user session replay, heatmaps, or performance logging

• A competitive compensation package.
• We offer generous perks & benefits to team members.
• Participation in the Company’s equity plan (for full-time team members).
• We provide individual bonuses in accordance with our Company Bonus Program.
• Work with energetic, passionate, and results-driven people.
• Celebrate team members’ personal and work milestones.
• Remote social activities, including virtual coffee buddies.
• Bonusly - We use Bonusly as a way to recognize and reward team members for their hard work and commitment.
• Weekly Wednesday Get Stuff Done Days (No Meetings).
• Open PTO, generous Company Holidays, and Wellness Days (for full-time team members).

If we just described you and your perfect role, we’d love to talk with you. We have a lot to accomplish this year and look forward to making headway and creating success together!

Mode.Inc does not accept/pay fees for unsolicited resumes from third-party agencies/vendors., 145K-175K Annually Senior level 145K-175K Annually Senior level Fintech Build and ship production frontend features using modern web technologies (Vue.js/TypeScript). Collaborate with product in a cross-functional squad to iterate UX, deliver secure, stable code, and create reusable, testable components. Operate in an AI-first workflow using agentic tools, participate in Git-based development, and apply basic AWS services to solve business problems. Top Skills: AWSClaude CodeCloudfrontCodexCursorGitS3TypescriptVue Revvity

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22 Days Ago In-Office or Remote 130K-158K Annually Senior level 130K-158K Annually Senior level Biotech The Senior Front End Software Developer will create secure, performant, cross-platform applications, collaborate on feature implementations, and ensure code usability and testing, with a focus on design and structure. Top Skills: AIJavaScriptReactTypescript

What you need to know about the Colorado Tech Scene

With a business-friendly climate and research universities like CU Boulder and Colorado State, Colorado has made a name for itself as a startup ecosystem. The state boasts a skilled workforce and high quality of life thanks to its affordable housing, vibrant cultural scene and unparalleled opportunities for outdoor recreation. Colorado is also home to the National Renewable Energy Laboratory, helping cement its status as a hub for renewable energy innovation.

Key Facts About Colorado Tech

• Number of Tech Workers: 260,000; 8.5% of overall workforce (2024 CompTIA survey)
• Major Tech Employers: Lockheed Martin, Century Link, Comcast, BAE Systems, Level 3
• Key Industries: Software, artificial intelligence, aerospace, e-commerce, fintech, healthtech
• Funding Landscape: $4.9 billion in VC funding in 2024 (Pitchbook)
• Notable Investors: Access Venture Partners, Ridgeline Ventures, Techstars, Blackhorn Ventures
• Research Centers and Universities: Colorado School of Mines, University of Colorado Boulder, University of Denver, Colorado State University, Mesa Laboratory, Space Science Institute, National Center for Atmospheric Research, National Renewable Energy Laboratory, Gottlieb Institute

Mode.Inc is the parent company of a portfolio of technology businesses, including Mode Mobile, the creator of EarnOS, a transformational software platform that turns ordinary smartphones into “EarnPhones”. This innovation empowers users worldwide to monetize everyday mobile activities such as streaming, gaming, and shopping. We enable users to profit from their data and attention, rather than letting only tech giants benefit. What sets us apart is our inclusive approach, converting users into earners, facilitating over $150M in earnings and savings, and going a step further by turning earners into owners by awarding stock ownership in Mode.Inc based on their usage. We have attracted over 40 million users across 170 countries.

Mode Mobile, Inc. Ranked Number 1 Fastest Growing Company in North America on the 2023 Deloitte Technology Fast 500.