Ruby Labs

Data Analyst

• Partner with Product Owners and Data Teams across marketing, billing, and product domains.
• Create new dashboards, maintain and improve existing reports such as Product Reports.
• User behavior analysis, aha moment analysis.
• Analyse data to generate actionable insights, find trends, patterns and provide recommendations to maximize KPIs.
• Design and conduct A/B tests and homogeneity tests to validate hypotheses and measure impact.
• Monitor metrics across all domains.
• Design and build robust data models in SQL.
• Give and receive actionable feedback to and from peers and the Leadership Team.

Senior Data Analyst

Project Manager

• Own task breakdown: Take feature requirements and break them into clear, actionable tasks that developers, data analysts, or other teams can execute without confusion.
• Manage the backlog: Maintain a 7-day forward-looking backlog at all times, ensuring the team always knows what's next.
• Ensure task quality: Every task you create must include Why (business reason), What (exact requirements), Acceptance Criteria (how we know it's done), Definition of Done (technical checklist), and corner cases covered.
• Work with the Project Owner: Translate high-level product strategy into detailed execution plans.
• Keep everything tracked: 100% of tasks live in our task management system - zero work happens outside the system.
• Achieve 90%+ quality rate: Your tasks should rarely need revisions because they're complete and clear from the start.

Junior Project Manager

AI Engineer

• Advanced Prompt Engineering: Designing complex, dynamic prompt templates with conditional logic and efficiently reusing information and context within prompts to maximize generation quality and reasoning.
• Structured Outputs & Schemas: Implementing various response schemes (JSON mode, function calling, Zod/JSON schemas) to ensure AI outputs are predictable and ready for seamless integration into application logic.
• Prompt Engineering & Evaluations: Building robust evaluation pipelines and using Langfuse to collect feedback and score the quality of responses in real time.
• Tracing & Debugging: Performing deep debugging of complex LLM chains using Langfuse traces to identify bottlenecks and optimize for cost, latency, and context window usage.
• AI A/B Testing: Running systematic experiments across different models via OpenRouter (e.g., comparing Claude 3.5 Sonnet vs. GPT-4o) and analyzing results based on quantitative metrics.
• Data-Driven Decisions: Making deployment decisions for new prompts or models strictly based on quantitative benchmarks and trace data, rather than intuition.
• Output Scoring & Analysis: Developing scoring systems to analyze the “Problem → Solution” chain and identify root causes of hallucinations or logic errors using Langfuse analytics.
• Model Performance & Fine-Tuning: Regularly re-evaluating model performance as new architectures emerge and performing fine-tuning when necessary to meet specific domain requirements.

QA Engineer

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Manual QA Engineer

Attorney

• Enforce and defend intellectual property and trademark rights across apps, websites, funnels, creatives, naming, and visual identity
• Proactively detect, document, and assess infringements, imitation patterns, and borderline practices designed to piggyback on our products
• Lead takedown processes, cease-and-desist actions, platform complaints, and related enforcement mechanisms with a strong focus on speed and tangible outcomes
• Develop legal positions and strategies that not only stand formally, but materially restrict infringing competitors’ ability to operate
• Design and execute structured legal enforcement strategies that increase the cost of non-compliance for bad-faith actors
• Continuously monitor the market and digital ecosystems to identify emerging risks and opportunities for legal leverage
• Collaborate with product, marketing, and executive teams to ensure IP protection is embedded early in brand, naming, and product development decisions
• Manage external counsel when necessary while maintaining strategic ownership internally

Senior Legal Specialist – Content & Platform Enforcement

Full-stack Engineer

• FullStack Development: Take an active, hands-on role in developing complex features and modules using Next.js for the frontend and NodeJS for the backend.
• Process Management: Implement and optimize Agile methodologies (Scrum/Kanban), including sprint planning, task estimation, and delivery oversight.
• Quality Assurance: Enforce best practices in coding, testing, caching, and performance monitoring to ensure a robust and scalable application.
• Security: Design and implement comprehensive security measures at the application, infrastructure, and data levels.

Full-Stack Developer

AI Engineer, use.ai

Artificial Intelligence

• Launch and iterate on product experiments daily and weekly across the funnel.
• Own and manage the experimentation backlog (prioritization, planning, execution).
• Write clear PRDs and experiment briefs for fast developer execution.
• Generate experiment ideas using UX research, funnel analysis, and data insights (via Mixpanel and Claude).
• Own the full experiment lifecycle (idea → build → release → measure → decision).
• Work directly with developers, providing continuous feedback to ensure fast delivery and accuracy.
• Manage release flow across dev, staging, and production environments.
• Ensure accurate tracking, analytics, and A/B test setup (via GrowthBook and Mixpanel).
• Monitor performance and deliver daily/weekly insights and iteration decisions.
• Control the end-to-end experimentation pipeline, ensuring speed, quality, and KPI alignment.

Growth Manager

Graphics Designer

• Create high-quality visual assets across brand, marketing, product, campaign, and creative ad production needs.
• Adapt creative work to suit different product offerings, audiences, campaign goals, and brand directions.
• Support day-to-day design production while maintaining a strong level of consistency, quality, and attention to detail.
• Work closely with stakeholders to understand briefs, clarify requirements, and deliver assets aligned with business needs.
• Maintain visual consistency across different brands, campaigns, channels, and product communications.
• Prepare creative assets for different channels, including web, CRM, paid media, product, and internal communications.
• Manage multiple design requests while balancing quality, speed, and changing priorities.
• Keep design files, templates, and working assets organized in a clear and consistent way.
• Take feedback and apply revisions while keeping the final output aligned with the brand and objective.
• Support creative ad production as part of the wider design workflow.

Graphic Designer

Conversion Rate Optimizer

CRO Manager – use.ai

Email Marketing Manager

• Own the experimentation roadmap for email marketing growth
• Run A/B tests across:
• - subject lines
• - preview text
• - email body copy
• - calls to action
• - content structure
• - offer presentation
• - lifecycle messaging
• Develop and prioritize experiments across two key areas:
• - Pre-purchase experiments focused on maximizing conversion volume from email
• - Post-purchase experiments focused on improving user activation, retention, and re-engagement
• Analyze email performance and user behavior to identify growth opportunities and friction points
• Write clear testing hypotheses and propose strong copy variations for experiments
• Partner with the Email Team on the implementation of tests and campaign changes
• Measure experiment results, identify winners and losers, and define next steps
• Do the daily reporting of the Email experiment in the growth Slack channel
• Control the monetary impact of every experiment on the company top line
• Maintain a clear backlog of email growth experiments and document learnings
• Perform ongoing market and competitor research to generate new hypotheses and experiment ideas
• Work with data and product stakeholders to ensure experiments are tied to measurable business outcomes

Email Marketing Growth Manager

Product Designer

• Take full ownership of UX, design quality, and user journeys across the product.
• Turn UX into a measurable growth lever — directly improving activation, retention, and conversion.
• Work closely with Product and Growth to design and optimize funnels, onboarding, paywalls, and retention loops.
• Audit and continuously improve the end-to-end user journey — from acquisition through long-term retention.
• Analyze product analytics independently — Mixpanel funnels, cohort analysis, retention curves, drop-off patterns.
• Connect UX decisions directly to business metrics — activation rate, retention curves, LTV, conversion.
• Define hypotheses, experiments, and success metrics for every UX initiative.
• Use session recordings (Clarity, FullStory, Hotjar), heatmaps, and behavioral data to identify friction points.
• Proactively request and define new analytics instrumentation and reporting needs with the data team.
• Validate UX changes through A/B testing (GrowthBook or similar) — hypothesis, implementation, result analysis.
• Define, enforce, and evolve a clear, scalable design system (implemented directly in frontend, not Figma-first).
• Lead and direct designers and frontend engineers involved in UI/UX work — set the definition of done.
• Set the visual and interaction quality bar across the product.
• Establish a structured research practice — define priorities, run interviews, surveys, and usability tests.
• Translate raw research into prioritized, actionable product decisions.
• Direct and level up the existing UX researcher on the team — provide structure, frameworks, and clear priorities.

UX Lead – Product & Growth

User Researcher

• Set and own the research agenda, define what we research, why, and in what order, in collaboration with Product and Growth leadership.
• Design and run structured research programs, including user interviews, usability tests, surveys, diary studies, and in-product feedback mechanisms.
• Analyze session recordings, heatmaps, and behavioral data (Clarity, Mixpanel) to identify friction and patterns.
• Conduct competitor research to benchmark best practices and identify differentiation opportunities.
• Define and track quantitative research metrics, not just qualitative impressions.
• Translate findings into clear, prioritized recommendations that product and design can act on immediately.
• Help design A/B test hypotheses grounded in user behavior research.
• Build and maintain a research repository structured, searchable, and regularly updated.
• Proactively identify gaps in analytics instrumentation and work with the data team to fill them.
• Help establish research as a core practice in the org, set standards, frameworks, and processes others can follow.

Senior UX Researcher

Frontend Engineer

• Own, structure, and evolve the design system — tokens, components, patterns, interaction standards, and visual language.
• Set the visual quality bar across the product and ensure consistency across all surfaces.
• Translate brand and product strategy into a coherent, scalable design language.
• Continuously audit the product for visual debt, inconsistencies, and opportunities to elevate quality.
• Design web interfaces directly in code, working from wireframes and product briefs.
• Apply structured design principles to deliver clean, on-brand, conversion-focused interfaces.
• Ship UI for landing pages, onboarding flows, paywalls, editor experiences, and dashboards.
• Ensure designs are accessible, responsive, and performant across devices.
• Implement designs using Next.js, React, TypeScript, and TailwindCSS.
• Build and maintain scalable, maintainable, and performant UI components.
• Ensure cross-browser compatibility and consistency.
• Support A/B test implementation — variant UI builds via GrowthBook.
• Work closely with Product, Engineering, and design leadership to deliver polished UI.
• Translate wireframes and requirements into production-ready interfaces with minimal back-and-forth.
• Set the example for design quality on the team — your work raises the bar for others.

Frontend Designer

Growth Marketing

• Own and scale paid acquisition across Meta and TikTok
• Continuously improve key metrics (CPA, ROAS, ROMI)
• Identify and scale winning campaigns while maintaining efficiency
• Build and manage campaign structures aligned with scaling goals
• Continuously test and optimize creatives
• Run structured A/B tests with clear hypotheses and learning agendas
• Analyze performance across the full funnel
• Identify bottlenecks and growth opportunities
• Translate data into actionable insights and decisions
• Work with attribution models and understand platform-specific nuances (e.g., iOS 14+)
• Partner closely with creative teams to develop high-performing ads
• Provide clear, data-driven feedback on hooks, angles, and formats
• Help define and scale repeatable creative frameworks
• Identify new scaling levers within existing channels
• Test new audiences, formats, and campaign types
• Contribute to testing new acquisition channels when relevant
• Work closely with product, analytics, and growth teams
• Align on KPIs, tracking, and reporting
• Ensure data accuracy and proper event tracking