Full Stack Engineer
Underdog.io -Apply to top tech jobs in 60 seconds. A place where companies apply to you
Job Overview
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Job Description
About Underdog.io's Hiring Partner
Our hiring partner is rapidly building the best products and the biggest company in America's fastest-growing consumer industry. They believe sports are for everyone and are dedicated to creating a new tomorrow for every fan. Founded just a few years ago, this innovative company has already developed widely played fantasy games and uniquely launched its own sportsbook on proprietary, homegrown technology. This allows them to craft distinct, engaging, and seamless experiences that competitors cannot match.
Their simple yet powerful thesis: build the best products, and the fans will follow. They unite fantasy sports, sports betting, and prediction markets within one intuitive app, continuously pushing the boundaries of what a sports technology company can be.
Why This is a Unique Opportunity
- Impact at Scale: Build features used by millions of passionate sports fans, directly shaping their daily experience.
- Own Cutting-Edge Products: Contribute to a unified platform spanning high-growth verticals (fantasy, sportsbook, predictions) on unique, proprietary technology.
- High-Agency Culture: Your voice will have real influence in technical discussions and product direction from day one.
- Remote-First Excellence: Join a connected, virtual-first culture with a highly engaged, distributed workforce, representing a dynamic remote startup opportunity.
About the Role
We are seeking a Full Stack Engineer to work on cutting-edge projects that gamify and enhance the user experience across our flagship products. This unique opportunity involves designing and building clean, reusable, and performant front-end features that will be used by millions of sports fans.
You will collaborate closely with product managers, designers, and backend engineers to deliver elegant and responsive web experiences. This role directly contributes to the upkeep and evolution of our design system, ensuring consistency and quality at a rapid pace.
What You'll Do
- Design, build, and maintain user-facing features and web experiences for a high-traffic, multi-product platform.
- Collaborate in a cross-functional team to translate product vision into robust, maintainable, and delightful user interfaces.
- Contribute to and help evolve our shared component library and design system to ensure consistency and accelerate development.
- Write high-quality, well-tested code and participate in peer reviews to uphold engineering best practices.
- Actively participate in technical and product discussions, bringing your unique perspective to help solve complex challenges.
Who You Are
- A product-minded engineer with 3+ years of professional experience building modern, consumer-facing web applications.
- You possess a solid understanding of React and its modern ecosystem (Hooks, Context API, functional components).
- You have a strong grasp of JavaScript (ES6+), TypeScript, and experience with state management solutions.
- You are comfortable integrating with and designing around RESTful APIs.
- You excel at cross-functional collaboration with designers, product managers, and other engineers.
- You have a strong attention to detail and a commitment to creating high-quality, user-centric experiences.
- You are familiar with testing frameworks (e.g., Jest, React Testing Library) and modern build tooling (Webpack, Vite).
- You are an excellent communicator with a collaborative, product-forward mindset.
Even Better If You Have
- Experience with tools like Amplitude, DataDog, or Storybook.
- A passion for sports or gaming products.
Tech Stack
React, TypeScript, JavaScript (ES6+), Material UI, HTML5, CSS3, AWS, Kubernetes, Kafka, Python, ExpressJS
What We Can Offer You
- Unlimited PTO: Enjoy extreme flexibility, with exceptions around major seasons.
- Family Support: Benefit from 16 weeks of fully paid parental leave.
- Remote Work Support: Receive a home office stipend to set up your ideal workspace.
- Connected Culture: Thrive in a virtual-first culture with a highly engaged, distributed workforce.
- Comprehensive Benefits: Access a 5% 401k match, FSA, and company-paid health, dental, and vision plan options for you and your dependents.
Key skills/competency
- React
- TypeScript
- JavaScript (ES6+)
- RESTful APIs
- State Management
- Design Systems
- Cross-functional Collaboration
- Unit Testing (Jest, React Testing Library)
- Web Development
- User Experience (UX)
How to Get Hired at Underdog.io -Apply to top tech jobs in 60 seconds. A place where companies apply to you
- Research Underdog.io's partner culture: Study their mission, values, recent news, and employee testimonials on LinkedIn and Glassdoor.
- Tailor your resume: Customize your resume to highlight relevant Full Stack Engineer skills like React, TypeScript, and API integration.
- Showcase your portfolio: Demonstrate your front-end development projects, design system contributions, and problem-solving abilities.
- Prepare for technical interviews: Practice coding challenges focused on JavaScript, React ecosystem, and system design for consumer applications.
- Emphasize collaboration: Be ready to discuss experiences in cross-functional teams and your product-minded approach during behavioral interviews.
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