Lottie
Senior Growth Engineer
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Senior Growth Engineer
Senior Growth Engineer ā Ā£75,000 - Ā£95,000 (Electric Staff)
About the Role
Department: Engineering Location: Hybrid with office presence at London Bridge, London, UK Equity: Generous EMI share offering Holidays: 26 days + bank holidays
Lottieās marketplace connects millions of families with trusted care. This role is for a Senior Growth Engineer to own the full experiment loop (from hypothesis to results), working in a lean, high-velocity marketplaces team.
You will:
- Partner with PMs, designers, and stakeholders to run precise growth experiments
- Build lightweight tools enabling rapid iteration
- Close the gap between families visiting the site and securing care
- Optimise advert performance through custom pipelines and analytics
Key traits:
- 5+ years of engineering experience (front-end tending, full-stack capability)
- Habit of creating experiments and articulating clear impact
- Willingness to embrace experimental, incremental work over polished builds
- Low-dependency, hypothesis-driven approach
- Data-backed decision-making
Responsibilities
ā¢ End-to-end experiment ownership
- Design, implement, and analyse A/B tests
- Close the loop between research and conversion tools
- Refine Google Ads campaigns based on signal from experimentation ā¢ Conversion-focused implementation
- Add rapid-fire conversions tests/host experiments ā¢ Write front-end code under time pressure ā¢ Optimise paths for clear result delivery at scale ā¢ Google Ads optimisation
- Build systems feeding outcome data back to Google
- Automate critical ad campaign components
- Drive efficiency in spend without compromising quantity ā¢ Pipeline engineering
- Build pipeline for test execution/results
- Run at velocity and iterate based on live usage
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Key Outcomes
- Deeper conversion of the Lottieās 500,000 monthly family audience
- Augment how Lottieās ad spend delivers faster, truer conversions
- Building the technical foundations enabling iterative improvement
Imperative focus: Experiments that give concrete results, not just new code.
Fit for the Role
What Youāll Bring
ā Coding 5+ years male/adaptable frontend skills and agnostic stack depth ā Incessant experiment building : building from hypothesis straight to results since youāve been hired previously. Ability to articulate what actually impacted results. ā Evolves with update speed You revise and scrap starting points instead of āperfectingā ideas. ā Thrive in relative autonomy, armed with deadlines over exhaustive specs. ā Think metrics-first: Define/write success before running code. ā AI comfortable AI-first engineering : āWould imagine leveraging AI actively in my daily work and growth engineering.ā
What Makes You a Tough Fit
ā Ideally fetish more emphasis over broad runs ā Requires scoped briefs before moving technical complex ā Relies on handover/heavy process in-cycles ā Misses step away from our mission of transforming later life care tech
About Lottie
Mission-Driven Product
Lottieās platform solves the UKās āblue iceā tech challenge in care:
- Marketplace (B2B2C): A free tool letting families find the nationās best care home or home care
- Provider SaaS (B2B): Dedicates tools for providers to streamline enquiries, fill gaps and finances
- Eliza by Lottie AI: Automated enquiry managers answering 24/7
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Why Join Us
āØ Market Opportunity: Care is ripe for disruption. Our SMBP-oriented solution transforms negotiations on time and emotional strains for families āØ Fast Growth: Founded 2021, now trusted by millions, funding backed by venture & tech leaders. 2023 LinkedIn/Startup.co.uk āTop Startupsā awardee āØ Culture/Values: Lottie ranked 4.9/5 on Glassdoor, with an inclusive, values-driven, supportive culture āØ Offer Benefits:
- Career mobility & autonomy for impact: Own full loop from conceptualisation to execution without bureaucratic hurdles
- Pioneer rewards: Equitable shares leveraging Lottieās high-growth trajectory
- Human importance: Work daily toward transforming an urgent, underserved industryātech for good
Inclusivity & Equity
All Lottie employees, applications, and processes are centred on equitable/accessibility. Applicants will be considered openlyāwithout attention to ethnicity, religion, gender, disability status, or other protected characteristics.
Traditional Process
- Remote intro call (20 mins with Talent)
- Engineering peer interview (45 mins remote)
- Technical pair take (one-hour Zoom sessions)
- Hiring manager behavioural (45 mins remote)
- Final round with our **Co-Founder & CEO (1 hour in-person: London Bridge)
Candidate Support:
- Clear timeline for feedback at each step
- Concise update emails from interim stages
- Complementary constructive feedback for all applicants
Application? No perfect match is neededācompetency over precious certainties.
āIt took my CV and asked me questions relevant to understanding what kind of jobs to suggest for me. Suggestions were almost perfect. Jobs were exactly what Iāve been looking for.ā
Jessica, London
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