Ruby Labs

Growth Marketing

• Funnel Optimization: Define and implement hypotheses to improve the conversion rate (CR) to purchase and lifetime value (LTV) within the web funnel.
• Data-Driven Strategy: Dive deep into data on the competitive environment and user behavior to propose strategies that drive customer acquisition efficiency and improve CPA.
• Testing Roadmap: Run a robust testing roadmap to drive continuous improvement in the web funnel, ensuring strict quarterly KPIs are met and exceeded.
• Cross-Functional Collaboration: Collaborate closely with designers, developers, and other key stakeholders to seamlessly execute optimization strategies, from product requirement documents to implementation.
• Agile Ceremonies: Assist the Engineering team in leading agile software development ceremonies, including daily standups, grooming, planning, and retrospectives.
• Ownership of Results: Lead the entire growth process, taking full responsibility for outcomes—from hypothesis creation to final implementation and evaluation.
• UA Collaboration: Work hand-in-hand with the User Acquisition (UA) team to build and optimize the full flow, ensuring every step, from the first user interaction through registration and payment, is optimized for growth.
• User Pain Points: Deeply understand user pain points and behaviors, leveraging this knowledge to determine the most effective strategies for selling our product.

Growth Manager

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

• Testing new ideas and hypotheses to maximize results.
• Refining and executing strategies for daily campaign optimization.
• Monitoring creative trends and extracting new ideas from research.
• Analyzing campaign performance hourly, daily, weekly, and monthly, and flagging key trends or anomalies.
• Tracking and managing the Meta source.
• Optimizing campaigns based on CPA and ROAS results.
• Collaborating with team members on campaign execution and planning.

Senior User Acquisition Manager

• Lead the ideation and conceptualization of new ad creatives that resonate with diverse audiences, with an emphasis on strategies that enhance customer acquisition.
• Stay ahead of industry trends to integrate innovative elements into creative production, ensuring our creatives are captivating and effectively convert viewers into customers.
• Collaborate with design teams to transform ideas into compelling ad creatives that align with brand values and effectively meet campaign goals.
• Oversee the production process to ensure all projects are delivered on time and meet the creative vision, with particular attention to optimizing the impact on customer acquisition.
• Coordinate with designers, user acquisition managers, and other team members to ensure smooth workflow and high-quality outputs.
• Work closely with User Acquisition Managers to analyze the performance of ad creatives across various platforms, identifying those that best contribute to customer acquisition.
• Generate and test hypotheses in A/B testing to refine creatives, with a focus on optimizing conversion rates and improving overall campaign performance.
• Provide regular reports to the Ad Creative Lead on the impact and effectiveness of ad creatives, highlighting their role in driving customer acquisition.
• Conduct thorough competitor research to understand market benchmarks and creative standards, particularly those successful in acquiring customers.
• Identify emerging trends in ad creative production and propose innovative solutions to leverage these trends for better market positioning and customer engagement.
• Liaise between creative teams and user acquisition managers to ensure that ad creatives are optimized for performance based on real-time data.
• Facilitate brainstorming sessions that encourage a culture of creativity and continuous improvement, aimed at boosting customer acquisition and retention.

Creative Producer

• Manage and optimize campaigns on Taboola, Outbrain, NewsBreak
• Monitor performance and optimize bids, targeting, and placements
• Support budget pacing to maximize CPA efficiency and ROAS
• Brief and review native creatives (headlines, images, advertorials)
• Test messaging and creative angles
• Analyze creative performance and trends
• Optimize landing pages and funnels for native traffic
• Improve CVR and subscription performance
• Track CPA, CTR, CVR, retention, and LTV
• Collaborate with data teams to drive insights
• Run A/B tests across creatives, audiences, and pages
• Identify scalable combinations
• Stay current on native ad trends and competitors
• Work with creative, data, and product teams

Junior User Acquisition Manager – Native Advertising Focus

Security Engineer

• Design and build operations security infrastructure and IAM from scratch.
• Develop, implement, and maintain comprehensive security policies, strategies, and protocols to safeguard the intellectual property, and prevent unauthorized access.
• Deploy and manage security tools and solutions, with preference for open-source technologies where appropriate.
• Utilize MDM software with other products to ensure organization-wide device security compliance and enforce consistent protection standards across all endpoints.
• Establish and enforce remote work security standards and best practices for company owned and BOYD devices.
• Design and implement access structure using identity provider.
• Manage user provisioning and deprovisioning workflows across all company tools and services.
• Automate access lifecycle management, including onboarding and offboarding processes.
• Control and audit access permissions to ensure principle of least privilege.
• Implement and maintain identity federation technologies across multiple platforms.
• Administer Google Workspace with focus on security configurations and compliance.
• Configure policies like Context Aware Access, LDAP, SCIM, and other controls within Google Workspace.
• Establish IT security operations (SecOps) best practices and standard operating procedures.
• Conduct regular security assessments and vulnerability management.
• Define security metrics and KPIs; provide regular security posture reports.
• Advise leadership on security risks, compliance requirements, and remediation strategies.
• Develop and maintain comprehensive security documentation, runbooks, and policies.
• Streamline security-related processes for efficiency and effectiveness.
• Create and maintain disaster recovery and business continuity plans.
• Drive security awareness and training initiatives across the organization.

IT Security Lead

QA Engineer

• Perform thorough manual QA testing across web and mobile (UI, UX, logic, edge cases, responsiveness).
• Validate product behavior against specs, designs, and expected user flows.
• Identify, document, and clearly communicate bugs and inconsistencies.
• Verify fixes and ensure issues are fully resolved before release.
• Conduct regression testing for new features and production hotfixes.
• Maintain structured bug reports and testing documentation.
• Ensure consistent quality across browsers, devices, and screen sizes.
• Participate in release readiness checks and quality sign-offs.

• Manage and optimize paid acquisition campaigns primarily on Snapchat Ads and TikTok Ads
• Monitor performance daily and make data-driven optimizations across targeting, creatives, and bidding
• Support budget pacing and allocation to maximize ROAS and conversion efficiency
• Continuously test new campaign setups, objectives, and formats specific to each platform
• Work closely with the creative team to brief, review, and iterate on short-form video ads
• Actively participate in brainstorming sessions for TikTok - and Snapchat - native creatives
• Test multiple creative angles, hooks, messaging, and formats to identify winning concepts
• Analyze creative performance and provide structured feedback to guide future production
• Conduct competitor and trend analysis to stay ahead of creative best practices on both platforms
• Analyze campaign performance using platform dashboards and internal reports
• Track key metrics such as CPA, CTR, CVR, retention, and subscription performance
• Collaborate with the data team to extract actionable insights and optimize decision-making
• Use learnings from tests to inform scaling and iteration strategies
• Build and refine efficient campaign structures tailored to TikTok and Snapchat
• Run A/B tests across creatives, audiences, and formats to improve performance
• Identify scaling opportunities based on performance data and creative learnings
• Stay up to date on Snapchat and TikTok ad products, algorithm changes, and trends
• Monitor competitor activity, emerging ad formats, and industry benchmarks
• Proactively surface new testing ideas and platform opportunities
• Partner with creative producers to ensure ads align with performance goals
• Work with data, product, and marketing teams to support cohesive acquisition efforts

Junior User Acquisition 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.

• Team Leadership & Development: Lead, mentor, and develop a team of User Acquisition Managers. Ensure continuous growth in knowledge, execution quality, and performance across the team.
• Hands-On Performance Management: Stay deeply involved in daily operations. Be able to step into ad accounts at any moment to diagnose issues, optimize performance, launch campaigns, and demonstrate best practices.
• Budget Ownership at Scale: Manage and oversee $1M+ monthly advertising budgets across all networks, ensuring disciplined spend allocation, controlled scaling, and performance stability.
• Facebook as a Core Channel: Be exceptionally strong in Facebook Ads or Google Ads, taking full responsibility for Facebook Ads as the primary acquisition channel.
• Analytics, Insights & Data-Driven Decisions: Work deeply with performance data and analytics to identify insights, inefficiencies, and growth opportunities. Collaborate closely with the Analytics team to stay continuously informed about funnel performance, attribution, cohort behavior, and overall acquisition efficiency.
• Process & Reporting Setup: Build, document, and enforce clear UA processes, reporting standards, and performance review cadences. Ensure transparency and full control over daily, weekly, and monthly results.
• Creative Ideation Process: Build and manage a structured process for sourcing, testing, and iterating creative ideas. Work closely with Creative Managers to continuously identify and scale top-performing creatives.
• Operational Excellence: Ensure disciplined execution across account structure, testing frameworks, scaling logic, and performance monitoring.
• KPI Ownership: Take full responsibility for team KPIs, including efficiency and ROI metrics. Results and outcomes are the primary measure of success.

Frontend Engineer

• Design and implement exceptional interfaces using Figma and AI design tools (hero.ui.chat, v0.dev, same.new) based on high-level references, working autonomously from minimal guidance.
• Develop production-ready code using Next.js 14.0+, React, TypeScript, and Tailwind CSS with meticulous attention to detail and without QA oversight.
• Create scalable component-based UI using structured design systems (NextUI, HeroUI) while maintaining consistency, accessibility, and cross-browser compatibility.
• Translate strategic requirements into intuitive, user-intuitive interfaces and collaborate efficiently with product teams while maintaining design autonomy.

Frontend UI/UX Designer

Product Manager

• ARPU Growth: Achieve a 15% quarterly ARPU increase by enhancing product value, retention, and engagement across existing subscription tiers.
• Retention Strategy: Build and optimize retention and engagement loops that deepen user satisfaction and extend subscription lifetime.
• User Journey Optimization: Analyze user behavior, identify engagement gaps, and implement product improvements that increase perceived user value.
• Hypothesis-Driven Work: Use data, feedback, and research to identify opportunities. Generate, validate, and execute hypotheses quickly, taking full ownership from idea to production.
• End-to-End Ownership: Lead the full cycle - from design and implementation to QA, data review, and final decision to scale or retire changes.
• Quality Delivery: Maintain exceptional UX standards; deliver only high-quality, high-impact improvements.

Senior Growth Product Manager

Attorney

• Create, review, validate, and refine legal agreement content used in document templates and generators.
• Support the development of standardized, ready-to-use legal documents (e.g. bills of sale, residential agreements, and similar templates).
• Work closely with Product and Growth to translate legal requirements into user-facing questions, conditional logic, and modular, reusable clauses.
• Help structure agreement content so clauses can be assembled dynamically based on user input.
• Ensure documents are legally sound, understandable, and suitable for self-service use by non-lawyers.
• Identify which content can remain generic and which must be jurisdiction-specific.
• Support expansion into new countries by reviewing and adapting agreement templates.
• Review and support document-related legal texts (e.g. disclaimers, document-specific terms).
• Flag legal risks, unclear wording, edge cases, or misuse scenarios in document flows.
• Help define best practices for maintaining, updating, and versioning legal content.

Product Legal Specialist

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Head of Growth

🕒 December 31, 2025

United Tech

201 - 500

Website
LinkedIn
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Head of Growth overseeing growth strategies, unit economics, and monetization for a web communication platform. Leading experimentation and data-driven decisions in a fast-paced environment.

🇺🇦 Ukraine – Remote

⏰ Full Time

🔴 Lead

📈 Growth Marketing

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Head of User Acquisition

Backend Engineer

• Own and operate AWS Aurora (PostgreSQL) in a high-load production environment
• Design and evolve schemas for large transactional domains (payments, customers, subscriptions, events)
• Implement and maintain:
• - Table partitioning strategies (time-based, tenant-based, hybrid)
• - Advanced indexing (B-Tree, GIN, partial indexes)
• - Query optimization and execution-plan tuning
• Analyze and optimize slow queries and production metrics
• Identify and resolve:
• - Lock contention
• - Vacuum / autovacuum issues
• - Connection pool saturation
• - Long-running or inefficient queries
• Proactively prevent performance regressions as data volume grows
• Design high-performance search solutions for large operational datasets used in internal CRM tools
• Implement efficient search strategies
• Balance flexibility, correctness, and performance at scale
• Work with event and log data pipelines, including Tinybird / ClickHouse-based analytics
• Ensure data integrity and consistency in financial workflows
• Define and monitor database health metrics (latency, replication lag, storage, IOPS)
• Plan and execute safe schema changes and migrations on large tables
• Participate in incident analysis related to data performance or availability
• Work in backups, replication, and disaster-recovery strategies

Growth Manager

Lead Creative Producer

Senior User Acquisition Manager

Creative Producer

Junior User Acquisition Manager – Native Advertising Focus

IT Security Lead

QA Engineer

Junior User Acquisition Manager

AI Engineer

Senior User Acquisition Manager

Frontend UI/UX Designer

Senior Growth Product Manager

Product Legal Specialist

Head of User Acquisition

Senior Database Engineer