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Ruby Labs

Remote Job Openings at Ruby Labs (36)

AI Engineer

Ukraine 2-5 yrs exp Software Development

You will own and drive the quality, reliability, and evolution of AI systems in production, including end-to-end delivery of AI features and LLM workflows. This involves orchestrating multiple LLM providers, managing prompt systems, and ensuring high-quality, scalable backend logic.

Junior Motion Designer

Ukraine 0-2 yrs exp Design

The Junior Motion Designer will adapt and resize high-performing ad creatives for over 35 languages across various platforms like Meta, TikTok, and Google. They are responsible for ensuring quality control by checking for typos, layout issues, and text cut-offs before final review.

Astrology Chat Operator

Serbia 0-2 yrs exp Others

Provide high-quality, engaging astrology, palmistry, and tarot readings to clients through written responses and live video calls. Manage incoming messages and ensure response times and company standards are maintained.

Senior User Acquisition Manager, Search Ads

United States, Montenegro, Lithuania +14 more 5-10 yrs exp Marketing

You will take full ownership of paid search acquisition across Google and Microsoft Ads, managing the entire process from strategy and bidding to scaling and reporting. You are responsible for optimizing campaigns toward in-app value and revenue targets while maintaining account health and policy compliance.

Data Analytics Engineer

Ukraine 2-5 yrs exp Software Development

Build and maintain dbt models and scalable SQL transformations that turn raw data into reliable, well-documented analytical datasets. Implement data quality checks, monitor and troubleshoot data pipelines, and collaborate with engineering, analytics, product, and marketing teams to standardize reporting and improve data governance.

Senior Full-Stack Developer (Next.js)

Ukraine 2-5 yrs exp Software Development

You will own the end-to-end development of product features across a Next.js client and Fastify backend within a TypeScript monorepo. Responsibilities include writing tests, performing code reviews, optimizing performance, and ensuring observability and security for production releases.

Senior User Acquisition Manager

Serbia 2-5 yrs exp Marketing

Manage and scale end-to-end paid social campaigns on Meta and other platforms while maintaining strict CPA and ROAS targets. Collaborate with data and creative teams to optimize performance, conduct cohort analysis, and implement AI-driven automation workflows.

Senior AI Engineer

Ukraine 5-10 yrs exp Software Development

You will own and scale the AI layer of core D2C subscription products, managing production LLM features and browser automation end-to-end. This includes designing prompt systems, building evaluation pipelines, and ensuring reliability and cost-efficiency in production.

Senior Growth Product Manager

Ukraine 2-5 yrs exp Product

The Senior Growth Product Manager will own the full lifecycle of product value optimization, focusing on increasing ARPU through research, hypothesis testing, and data-driven product improvements. They will collaborate with engineering and data teams to ship high-impact A/B tests and enhance the post-purchase user experience.

Senior User Acquisition Manager, Paid Social Ads

Worldwide 5-10 yrs exp Marketing

You will own the end-to-end acquisition process across paid social channels, including strategy, budget allocation, and creative testing. You are responsible for scaling spend profitably while managing account health and performance metrics in a policy-sensitive environment.

Default Job Template

Bulgaria, Croatia, Estonia +13 more 2-5 yrs exp Others

Own the email and lifecycle growth roadmap by developing audience segments and personalized journeys across onboarding, activation, conversion, retention, and re-engagement. Plan and analyze experiments, collaborate with Email, Growth, Product, and Analytics teams, and use customer insights and performance data to improve business outcomes.

Senior User Acquisition Manager

Worldwide 5-10 yrs exp Marketing

The Senior User Acquisition Manager will own the end-to-end TikTok acquisition strategy, including budget allocation, creative testing, and performance scaling. They will analyze revenue data to optimize campaigns and collaborate with cross-functional teams to improve funnels and attribution.

Senior Data Analyst

Albania, Bulgaria, Croatia +20 more 2-5 yrs exp Software Development

The Senior Data Analyst will drive analytics across subscription products and web funnels by partnering with Product, Marketing, and Data teams. They are responsible for defining KPIs, maintaining reporting dashboards, and mentoring junior analysts to ensure data reliability and actionable insights.

Senior Growth Product Manager

Albania, Croatia, Cyprus +10 more 2-5 yrs exp Product

The Senior Growth Product Manager will drive top-of-funnel growth by optimizing web funnels and implementing data-driven strategies to improve conversion rates and lifetime value. They will lead cross-functional teams, manage testing roadmaps, and collaborate with the User Acquisition team to optimize the entire user journey.

Lead Creative Producer

Ukraine 5-10 yrs exp Others

The Lead Creative Producer will own the creative strategy and performance for D2C subscription products while leading a cross-functional team of producers and designers. They are responsible for analyzing performance data, ensuring ad network compliance, and implementing efficient production systems to scale creative output.

Senior Data Analyst

Ukraine 2-5 yrs exp Software Development

The Senior Data Analyst will drive analytics across subscription products and web funnels by partnering with Product, Marketing, and Data teams to improve key metrics. They are responsible for designing robust data models, maintaining event tracking, and mentoring junior analysts to ensure high-quality, decision-ready reporting.

Lead Data Analyst

Ukraine 2-5 yrs exp Software Development

The Lead Data Analyst will partner with Product, Marketing, and Data teams to define KPIs, build robust data models, and deliver actionable insights through full-funnel and user behavior analysis. They will also own event taxonomy, maintain reporting dashboards, and mentor junior analysts to ensure high-quality data standards.

Senior Creative Producer

Bulgaria, Croatia, Cyprus +10 more 2-5 yrs exp Others

The Senior Creative Producer will own the end-to-end ad creative engine, from concept development to performance analysis for D2C subscription products. They are responsible for driving production volume, executing systematic A/B tests, and collaborating with the User Acquisition team to optimize key performance metrics like ROAS and CPA.

Senior Product Designer

Ukraine 5-10 yrs exp Design

The Senior Product Designer will own the UI/UX quality of core D2C subscription products, overseeing design decisions from brief to production. They are responsible for supervising team members' design output and maintaining a consistent design system using an AI-first workflow.

Creative Producer

Poland 2-5 yrs exp Others

The Creative Producer will lead the ideation and production of ad creatives while collaborating with user acquisition managers to optimize performance. They are responsible for managing production timelines, conducting competitor research, and utilizing data to refine advertising strategies.