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We are looking for a practical full-stack engineer positioned at the convergence of product development, growth initiatives, and automation. If you can identify and resolve complex issues swiftly, build maintainable Next.js/React applications that withstand rigorous regression testing, and configure Firebase/GCP infrastructure while ensuring accurate attribution through Meta Pixel and Google Tags, your contributions will directly enhance conversion tracking and reduce manual overhead.
Your objective is straightforward: maintain system stability, ensure the growth infrastructure is quantifiable, and eliminate repetitive manual tasks through automation. We do not construct "platforms" as isolated endeavors. Instead, we connect engineering directly to marketing and product functions so that data-driven decisions emerge from well-instrumented funnels. This translates to dependable deployments, live performance metrics, trustworthy tracking mechanisms, and rapid ship-to-outcome cycles completed within days.
This position centers on building and maintaining systems. You will be responsible for preserving foundational stability while accelerating team velocity—deploying fixes efficiently, creating reusable processes or scripts for recurring QA requirements, confirming updates through regression testing, and instrumenting user journeys to ensure insights remain accurate. If you are energized by tangible results, continuous learning, and the reward of transforming fragmented workflows into refined systems the entire organization depends on, take ownership of this challenge. Apply if you are prepared to be accountable for the reliability, integrations, and automation that enable the rest of the team to execute faster.
Crossover's skill assessment process combines innovative AI power with decades of human research, to take the guesswork, human bias, and pointless filters out of recruiting high-performing teams.






It’s super hard to qualify—extreme quality standards ensure every single team member is at the top of their game.
Over 50% of new hires double or triple their previous pay. Why? Because that’s what the best person in the world is worth.
We don’t care where you went to school, what color your hair is, or whether we can pronounce your name. Just prove you’ve got the skills.
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