Senior Frontend Engineer

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Checkr is building the data platform to power safe and fair decisions. Established in 2014, Checkr’s innovative technology and robust data platform help customers assess risk and ensure safety and compliance to build trusted workplaces and communities. Checkr has over 100,000 customers including Door Dash, Coinbase, Lyft, Instacart, and Airtable.

We’re a team that thrives on solving complex problems with innovative solutions that advance our mission. Checkr is recognized on Forbes Cloud 100 2025 List and is a Y Combinator 2024 Breakthrough Company.

As a Senior Frontend Engineer for Growth at Checkr, you will play a crucial role in advancing Checkr’s self‑serve business, delivering products and capabilities for Checkr’s growth funnel:
Acquisition, Activation, Expansion & Retention. Leveraging your deep experience, you will build, innovate, and inspire the team to bring a customer‑first mindset to the self‑serve experience and make it delightful for customers.

• Develop new customer experience capabilities and product offerings from design through release
• Find the balance between speed to market and long‑term growth by designing for the horizon and building for today
• Bring an iterative mindset to experiment, learn, and iterate to provide the best experience for the customers
• Partner with Product to define appropriately sized initiatives to construct a roadmap that meets business needs quarter over quarter
• Preserve customer goodwill by ensuring system availability by participating in on‑call rotation, addressing support tickets, and taking action on preventative measures to improve reliability
• Provide mentorship to engineers on the team and across the organization
• Play an active role in the continuous improvement of the engineering organization through lunch table discussions, team showcases, and reviews with senior leadership

• 5+ years of professional experience building web applications
• Strong React skills — deep understanding of hooks, context, component patterns, and performance optimization
• Type Script proficiency in a production environment
• Experience with JavaScript testing frameworks (Jest, Vitest, React Testing Library, Cypress)
• Experience running A/B experiments and using data to inform product decisions
• Ability to write clean, maintainable, well‑tested code
• Excellent collaboration skills — comfortable working directly with Product Managers and Designers
• Strong communication skills — can articulate technical tradeoffs to non‑technical stakeholders

• Experience with experimentation platforms (Amplitude, Optimizely, Launch Darkly, Split)
• Experience with state management patterns (Redux, React Query, Context)
• Familiarity with CSS‑in‑JS (Styled Components)
• Experience with feature flag systems
• E2E testing experience (Cypress)

• A fast‑paced and collaborative environment
• Learning and development allowance
• Competitive cash and equity compensation, and opportunity for advancement
• 100% medical, dental, and vision coverage
• Up to $25K reimbursement for fertility, adoption, and parental planning services
• Flexible PTO policy
• Monthly wellness stipend

One of Checkr’s core values is Transparency. To live by that value, we’ve made the decision to disclose salary ranges in all of our job postings. We use geographic cost of labor as an input to develop ranges for our roles and as such, each location where we hire may have a different range. If this role is remote, we have listed the top to the bottom of the possible range, but we will specify the target range for an exact location when you are selected for a recruiting discussion.

For more information on our compensation philosophy, see our website.

On‑target Earnings OR Base Salary range (San Francisco, CA): $183,000—$215,000 USD

On‑target Earnings OR Base Salary range (Denver, CO): $155,000—$182,000 USD

At Checkr, we believe a hybrid work environment strengthens collaboration, drives innovation, and encourages connection. Our hub locations are Denver, CO, San Francisco, CA, and Santiago, Chile. Individuals are…