Note: The job is a remote job and is open to candidates in USA. ZenRows is a fast-growing startup based in the Basque Country, focused on transforming data workflows through advanced data extraction tools. They are seeking a Senior Full-Stack Engineer to join their Go-To-Market Activation team, responsible for building features that enhance user onboarding and retention, while collaborating across various functions to optimize the user experience.
Responsibilities
- Ship full-stack features across the activation funnel: onboarding UI, guides, wizards, checklists, in-app messaging, and dashboards. Our tech stack: Laravel, Vue
- 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
Skills
- 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
- Have worked on activation or conversion at a B2B SaaS or API-based startup
- Can explain concepts like time-to-value, North Star metrics, or growth loops
- Have experience improving self-serve flows in technical products (developer-facing tools, APIs, dashboards)
- Have worked closely with design and marketing teams to implement customer-facing solutions that drive conversion
- Demonstrate attention to detail with a portfolio that showcases pixel-perfect implementation of designs
Benefits
- We offer responsibility and scope to do things in your role that you can only dream of in similar roles in larger companies.
- Our CEO who values world-class talent over everything else. Trust and respect are earned, and with them come reward and recognition like nowhere else.
- We operate a truly 100% remote approach that allows you to work from anywhere you choose.
- We have fun! The above may sound like we are all about work, but we put a lot of focus on ensuring our culture is one that our people enjoy, which lets you build lasting friendships and grow both personally and professionally.
Company Overview