← All roles

Software Engineer, Growth at AIOS — Hybrid, €60k-€120k/yr inc equity

Fella & Delilah· Engineering
Apply on company site
Hybrid (Kosovo)€60k - €120kFull-timePosted 4d ago

About the role

Growth Engineer at AIOS focused on building products, experiments, and systems to attract new patients and start treatment, with a strong emphasis on conversion, experiments, and rapid iteration across funnels and the growth stack.

Responsibilities

  • Own Conversion: Own funnels from first click to first purchase, and keep shipping until they convert.
  • Ship Experiments at Pace: Build and run landing page, quiz, eligibility and checkout experiments every week, together with a Funnel Conversion Lead and a Web Designer.
  • Convert with Jesse: Build conversational funnels where Jesse guides every lead to starting treatment.
  • Launch New Markets: Take new funnels from MVP to a converting V1, and make every launch faster than the last.
  • Own the Data: Make tracking, attribution and experiment results reliable enough that our Growth teams trust them to decide what to scale.
  • Build the Growth Backend: Build and run the services, integrations and event pipelines behind our growth stack, and the internal tools that help our Paid, Creative, Social and AI Growth teams move faster.
  • Build to Last: Write clear, tested, observable software that can be reused across markets.
  • Use AI as a Force Multiplier: Use Claude Code, Codex and other AI tools throughout development to move faster, explore more ambitious solutions, and raise the quality of your work.

Qualifications

  • Experience: You have 5+ years of professional software engineering experience, including at least 1 year working closely with Growth teams, and have shipped meaningful products used by real customers.

Skills

Required:Experience with Growth-focused software engineeringFull-Stack EngineeringGrowth MindsetExperimentationOwnership & Judgment

Benefits

  • Healthcare: comprehensive medical insurance (if appropriate)
  • Vacation: PTO with a yearly minimum (≥2wks/yr + local national holidays)
  • Personal development: budget for books, courses, coaching
  • Personal wellness: budget for gym, health apps
  • GLP-1s: free membership with a clinic offering GLP-1s
  • Equipment: Macbook & work-from-home equipment provided as needed
Last updated Oct 21, 2026. Interested? Apply on the company site.
Fella & Delilah logo

About Fella & Delilah

Fella & Delilah is the direct-to-patient clinic for busy families to…

Fella is optimized for busy bigger guys who want a no-nonsense solution to getting healthier. Delilah is built for strong women in their prime who want a sustainable solution to feel their best. We use affordable, effective weight loss medication to solve our customers’ most pressing healthcare need, then aim to remain their core healthcare provider for the rest of their life — expanding to hormonal health, mental health, longevity, and primary care. **We’ve grown >1000x since Aug 2021, >100x since Aug 2022, >10x since Aug 2023**. We’re >$50M ARR. We’ve been cashflow positive for the last 24mo. We’re >10,000 customers with high NPS. Almost all of this has so far been through Fella. Delilah is still very new. We’re a young startup and we’re just getting started. This is still Day 1 and all our work is ahead of us. You can read more about working at Fella & Delilah here: https://www.notion.so/Working-at-Fella-Delilah-14a2ac8575d34d148d009bb410387af4?pvs=21

consumer-health-serviceshealthcaretelemedicine

More open roles at Fella & Delilah