Ruby Labs

Backend 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.
• 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.
• Analytics & Optimization: Collaborate closely with the product team to integrate analytics systems and conduct A/B tests to enhance the user experience.
• Innovation: Research and integrate emerging technologies, particularly AI-driven solutions, to improve the product and streamline development workflows.

Senior Full-Stack Engineer – Next.js, Node.js

Product Analyst

• Own product analytics and user behavior tracking across the platform.
• Build, maintain, and optimize Mixpanel dashboards, funnels, cohorts, and reports.
• Monitor core product KPIs (activation, retention, engagement, conversion, feature adoption).
• Perform deep user behavior analysis to identify friction points and opportunities.
• Analyze feature performance before and after releases.
• Run ad hoc analyses for Product Managers and Leadership with fast turnaround.
• Identify trends, anomalies, and performance changes in product metrics.
• Support A/B tests and experiments with proper measurement and post-analysis.
• Work closely with Product and Engineering to ensure correct event tracking, naming conventions, and data quality.
• Translate data into clear, actionable insights — not just charts.
• Proactively suggest improvements based on observed user behavior.

Frontend Engineer

• Assist product teams in integrating the JavaScript payment SDK into their frontend applications.
• Help configure payment flows, callbacks, and error handling.
• Monitor support channels (Slack, tickets, shared chats, etc.).
• Answer technical questions related to SDK usage and API behavior.
• Guide teams through best practices for secure and reliable integrations.
• Reproduce reported integration issues locally or in test environments.
• Debug frontend and API-related issues across:
• JavaScript SDK
• Backend Golang API
• CRM and configuration interfaces
• Identify whether an issue is:
• A real bug
• Incorrect integration or usage
• Missing or unclear documentation
• Escalate confirmed bugs to the development team with clear reproduction steps and context.
• Review and validate API and SDK documentation against real system behavior.
• Keep documentation in sync with current SDK and API versions.
• Identify missing examples, unclear explanations, or misleading flows.
• Proactively improve developer-facing docs based on integration feedback.
• Use and understand the internal Next.js CRM.
• Help configure products, payment flows, and settings via the CRM.
• Provide feedback to the CRM team on usability gaps or missing functionality.
• Occasionally implement small frontend improvements if needed.
• Act as the voice of integrators and product teams inside RubyLabs.
• Share recurring issues, friction points, and improvement ideas with engineering and product.
• Help prioritize fixes and improvements based on real-world impact.
• Contribute to improving overall developer experience of the platform.

Producer

• Own end-to-end ad creative production across all formats (static, video, UGC, motion, AI-generated), acting as the final approval authority before testing or launch, ensuring brand standards, pixel-perfect design, platform best practices, clear UI/visual hierarchy, and performance-focused execution.
• Design, enforce, and continuously improve the creative workflow, monitor production in real time, identify risks or bottlenecks early, and maintain speed without sacrificing quality.
• Provide continuous, clear, specific, and actionable feedback to designers and creative contributors, actively guiding work during production to prevent rework and uphold a consistently high creative standard.
• Lead ideation and conceptualization of new creatives, translate strategy and performance insights into briefs, stay up to date on AI-driven creative tools and industry trends, collaborate with User Acquisition Managers on performance signals, incorporate feedback into improvements and future concepts, and deliver test-ready variations to support testing strategies.
• Continuously research competitor creatives across AI and consumer tech, benchmark quality, formats, hooks, and execution, and apply insights to elevate internal creative standards.
• Act as the execution bridge between designers and User Acquisition Managers, ensuring alignment, clear expectations, and smooth handoffs.
• Provide regular updates to management on creative pipeline status, production velocity, and quality consistency, taking full ownership of execution outcomes and continuously raising standards.

Lead Creative Producer

Product Manager

• Daily Product Command — Own every phase of the mobile product lifecycle on iOS and Android.
• Product Backlog Management — Maintain a refined, prioritized backlog of features, bugs, and improvements.
• Feature Discovery & Delivery — Lead ideation, research, competitive benchmarking, and on-time feature delivery.
• UI/UX Perfection — Enforce pixel-perfect mobile design standards and catch micro-alignment issues across devices.
• Mobile UX Research — Keep ongoing competitor intelligence and UX research updates, studying top-performing apps.
• App Store Optimization (ASO) — Optimize app store presence: descriptions, screenshots, keywords, ratings, and reviews.
• Post-Production Control — Monitor releases in real time and resolve issues immediately post-deployment.
• Product Events & Monitoring — Set thresholds, alerts, and proactive monitoring for crashes, ANRs, and performance anomalies.
• Push Notification Strategy — Own roadmap, testing, segmentation, and optimization to maximize engagement.
• Mobile Performance Optimization — Ensure benchmarks for load times, battery, memory usage, and app size.
• In-App User Flows — Design and optimize onboarding, paywalls, subscription flows, and core user journeys.
• Mixpanel Execution — Track metrics, funnels, heatmaps, and session replays to guide backlog priorities.
• Platform-Specific Considerations — Deliver native-feeling experiences within iOS and Android guidelines.
• Version Release Management — Coordinate submissions, rollouts, phased releases, and rollback strategies.
• Twice-Daily Feedback Loops — Provide detailed feedback to dev and data teams at least twice daily.
• Team Coordination — Facilitate daily action items for the Product Owner, QA, Dev, and Data teams.

Product Manager – Mobile Platform

• Maintain end-to-end operational control of the product lifecycle — from ideation to post-production monitoring — with military-grade discipline and pixel-perfect attention to detail.
• Daily Product Command — Manage every phase of the product lifecycle on a daily and hourly basis.
• Product Backlog Management — Keep a refined, prioritized backlog of features, bugs, and improvements.
• Feature Discovery & Delivery — Lead ideation, research, competitive benchmarking, and delivery of new features on schedule.
• UI/UX Perfection — Enforce pixel-perfect design standards, instantly spotting micro-alignment issues.
• UX Research Management — Maintain an ongoing competitor intelligence and UX research update process.
• Post-Production Control — Monitor releases in real time, addressing any issues immediately.
• Product Events & Monitoring — Maintain thresholds, alerts, and proactive monitoring to catch anomalies early.
• Mixpanel Execution — Use Mixpanel, product metrics, event tracking, funnels, heatmaps, and session replays to monitor key product metrics and drive product backlog ideas forward.
• Twice-Daily Feedback Loops — Provide detailed feedback to all Dev and Data Analytics teams at least twice per day to ensure alignment and speed.
• Team Coordination — Facilitate the daily backlog of action items for Product Owner, QA, Dev, and Data teams, enforcing accountability.

Product Manager – Web Platform

• Architectural Guardrails: Ensuring all projects strictly follow the established company architecture. You will be the one to approve architectural changes and ensure long-term scalability.
• Rigorous Code Review: Maintaining a high bar for code quality across teams. You will identify bottlenecks, potential bugs, and ensure that every PR aligns with our "best practices."
• Project Bootstrapping: Hands-on involvement in the deployment and configuration of new projects, ensuring they are set up correctly from Day 1 (CI/CD, environment variables, hosting).
• Security & Compliance: Implementing and overseeing security measures at both the code level and hosting level (WAF configuration, secure headers, data encryption).
• Innovation & AI Adoption: Leading the implementation of new technologies, specifically focusing on AI-driven workflows and MCP to enhance developer productivity.
• Growth Engineering: Managing technical aspects of A/B testing via Growthbook and ensuring accurate data tracking through Mixpanel and GTM.
• Technical Leadership & Hiring: Conducting technical interviews to scale the team and mentoring developers to help them meet company standards.
• Continuous Improvement: Proactively identifying outdated practices and replacing them with modern, more efficient workflows.

Deputy Head of Engineering, Node.js, Next.js

Data Analyst

• Own the entire analytics vision and execution across product, marketing, and revenue.
• Lead, mentor, and challenge Data Analysts — raising the bar on analytical thinking, ownership, and speed.
• Define, standardize, and strictly enforce product and business KPIs across the organization.
• Build, maintain, and evolve executive-level dashboards used for real decision-making, not vanity metrics.
• Perform deep user behavior analysis, funnel analysis, retention analysis, and aha moment discovery.
• Translate complex data into clear, decisive recommendations for Product, Growth, and Leadership.
• Establish a culture of metric accountability — every feature, experiment, and campaign must be measurable.
• Design and own robust SQL-based data models that scale with the business.
• Proactively monitor metrics, detect anomalies, and act before issues become visible elsewhere.
• Partner closely with Product Owners, Engineering, Marketing, and Leadership to align data with strategy.
• Give and receive direct, actionable feedback.
• Act as the single point of ownership for product and business metrics.
• Push the team forward with discipline, clarity, and high standards.
• Demand precision, consistency, and accountability in all reporting and analysis.
• Be comfortable making unpopular calls when data demands it.
• Operate with a performance mindset — speed, focus, and results matter.
• Treat metrics like a control system, not a reporting layer.

Ruby Labs

Senior Full-Stack Engineer – Next.js, Node.js

Product Analyst

Frontend Engineer

Lead Creative Producer

Product Manager – Mobile Platform

Product Manager – Web Platform

Deputy Head of Engineering, Node.js, Next.js

Lead Data Analyst

Lead Data Analyst

Lead Data Analyst

Lead Data Analyst

Product Data Analyst – Mid-Level

Product Data Analyst, Mid-Level

Product Data Analyst – Mid-Level

Product Data Analyst – Mid-Level