Senior Full-Stack Engineer

Role Overview

• Build full-stack features across the activation funnel: onboarding UI, guides, wizards, checklists, in-app messaging, and dashboards.
• Own backend services and APIs that support analytics, tracking user progress, and onboarding personalization.
• Build self-serve capabilities (API explorers, data previews, sandbox flows) that increase integration rates.
• Implement robust event tracking using tools like Segment, Amplitude, BigQuery, and PostHog.
• Collaborate with Product and Growth to define and instrument key activation metrics.
• Work with analysts to surface insights and user segments for better targeting.
• Run A/B tests and iterative experiments to improve signup, activation, and trial conversion.
• Based on usage data, build and test UX variations, email triggers, and behavioral nudges.
• Instrument cohort-based analysis to identify drop-offs and quick wins.
• Partner with Product, Marketing, Sales, and Support to identify blockers and opportunities across the funnel.
• Act as a technical bridge between user-facing teams and the internal analytics tools.
• Help craft a frictionless developer experience from signup to first value.
• Write clean, maintainable, and performant full-stack code.
• Ensure smooth deployment and observability of new features (logs, alerts, error tracking).
• Maintain high standards for privacy, compliance, and security.

Requirements

• Have +5 years of experience as a Full-Stack/Product Engineer, ideally with exposure to growth or product engineering.
• Have experience with modern frontend and backend development using React (or similar frameworks).
• Understand SaaS funnels
• signup, onboarding, usage, activation, conversion.
• Have implemented behavioral analytics, event tracking, and activation dashboards.
• Have worked with tools like Amplitude, Segment, BigQuery, or PostHog.
• Are familiar with A/B testing tools and statistical analysis of experiments.
• Know how to balance speed with tech debt, and can ship fast while keeping things clean.
• Enjoy owning metrics and being measured by impact, not lines of code.
• Communicate clearly with product, growth, and marketing teams
• and thrive on feedback.
• Have a strong design sensibility with experience creating polished, customer-facing interfaces that reflect brand values and marketing goals.

Tech Stack

• BigQuery
• React

Benefits

• 100% remote work: We are a company that offers true freedom. Work wherever life takes you.
• The salary you are worth: We never ask people what they are earning, but instead what they are looking for. If your ability and experience justifies it and we think you will help us succeed, then we will match your expectations.
• The equipment you want: We believe in giving our people the tools they need to succeed and don’t have a default machine to give you.
• Generous Learning & Development budget: We believe in always adding value to our top performers and helping them grow their skills in a direction that is beneficial both to them and the business
• All-Star Awards: We recognize achievements in many ways within the business, but the bi-annual All-Star Awards allow the CEO to tailor reward packages to the person. Whether this is a holiday destination of choice, a learning course that adds value or something else.. We believe in getting to know every employee personally.
• BitWarden Account: With employees working remotely worldwide, we are keen to ensure we empower them with tools to keep passwords as secure as possible.
• Charity Initiatives: We are a business that believes in giving back to the community, and every year, we allow our employees the opportunity to give back.
• Annual Kick-Off: We want our employees to see where ZenRows was born and enjoy all the Pintxos they can handle.
• Share in Our Success: We want our top performers to be part of the company's success and offer opportunities for stock option allocation when people show their value.
• Deel Benefits: As a fully remote organization, we employ our people via Deel. This brings freedom of location and many other benefits, including discounts on VPNs, memberships and services.