Growth Tech Engineer: Full-Stack for Marketing

Runna; Greater London; On-site; GBP 85,000 - 120,000; Full time

Benefits offered by this job

Stock options

Shape product & culture

Learning new tools

Team socials

Job summary

Runna is seeking a Full Stack Engineer to join the Growth team in London. You’ll work at the intersection of product, data and marketing, building systems powering acquisition, activation and retention across channels.

You’ll contribute across full‑stack initiatives, launch experiments, and iterate based on results while collaborating with product, marketing and data peers. This role emphasizes marketing tech, tracking, and CRM integrations to drive growth.

Qualifications

• Strong TypeScript/JavaScript skills and experience with modern frontend frameworks (React/React Native).
• Solid experience as a full stack engineer (ideally 3+ years).
• Good understanding of event tracking, data quality and debugging across multiple platforms/tools.
• Bias towards experimentation and iteration—focus on impact and rapid learning.
• Strong ownership mindset and end-to-end delivery responsibility.

Responsibilities

• Improve how new users discover, try and subscribe to Runna.
• Run experiments across the funnel from ad click to in-app activation and engagement.
• Own core marketing tools and integrations powering lifecycle communications.
• Own implementation and maintenance of ad tracking SDKs and MMPs (TikTok, Meta, Google, AppsFlyer).
• Build and maintain tracking/tag manager setups across web and app for reliable, privacy-friendly data.
• Design, build, test and ship full-stack features for growth (landing pages, onboarding, referrals, promos).
• Integrate CRM and lifecycle tooling (Iterable or similar) including catalogs, data feeds, deeplinks and templates.
• Build internal tools and scripts (Python/Node) connecting systems, powering pLTV, dashboards, alerts.
• Collaborate with Growth/Marketing/Data to scope experiments and ship A/B tests.

Skills

TypeScript/JS

React/React Native

Full stack

Marketing tech

A/B testing

AWS/cloud

Tools

RevenueCat

Mobile attribution

Job description

Runna is seeking a Full Stack Engineer to join the Growth team in London. You’ll work at the intersection of product, data and marketing, building systems powering acquisition, activation and retention across channels.

You’ll contribute across full‑stack initiatives, launch experiments, and iterate based on results while collaborating with product, marketing and data peers. This role emphasizes marketing tech, tracking, and CRM integrations to drive growth.