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Deputy Head of Engineering (Node.js / Next.js)
Remote Ruby Labs Ukraine Full-Time
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Ruby Labs is a leading tech company that creates and operates innovative consumer products. We offer a diverse range of opportunities across the health, education, and entertainment industries. Our innovative teams are driving the future of consumer-led products, and we’re always looking for passionate individuals to join us. Learn more about our story at: https://rubylabs.com/about-us/
We are looking for a Deputy Head of Engineering who will act as a technical guardian and a right hand to the Head of Engineering. You won’t just be managing people; you will be the key person responsible for the architectural integrity, security, and technical excellence of our projects. Your role is to bridge the gap between high-level engineering strategy and day-to-day execution.
Core: Node.js, Next.js, TypeScript.
Infrastructure: Cloudflare, AWS (RDS, compute, networking).
Databases & ORM: Postgres, Supabase, Drizzle, Prisma.
Analytics & Growth: Growthbook (A/B testing), Mixpanel, Google Analytics, GTM.
Innovation: AI integration & MCP (Model Context Protocol).
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Continuous Improvement: Proactively identifying outdated practices and replacing them with modern, more efficient workflows.
Node.js & Next.js Expert: 3+ years of intensive experience with the stack. You should be able to solve complex SSR/ISR issues and optimize performance.
Proven Leadership: 3+ years of experience managing engineering teams. You know how to motivate, give feedback, and handle conflicts.
Infrastructure & DevOps: Solid experience with AWS and Cloudflare. You understand how to configure CI/CD pipelines and manage cloud resources efficiently.
Database Mastery: Deep understanding of Postgres and experience with modern ORMs like Drizzle or Prisma (migrations, query optimization).
Analytical Mindset: Proficiency in setting up and interpreting data from Mixpanel and Google Analytics; experience running systematic A/B tests.
Security First: Strong knowledge of web security principles (OWASP, WAF, hosting-level protection).
Communication & Resilience: Ability to communicate clearly with both technical teams and stakeholders while maintaining focus in a fast-paced environment.
MCP Knowledge: Practical experience with Model Context Protocol to build or optimize AI-assisted development tools.
Performance Tuning: Experience in fine-tuning Web Vitals and optimizing backend latency for high-traffic applications.
Advanced AI Integration: Experience building custom AI agents or complex RAG systems.
Ruby Labs operates within the CET (Central European Time) zone. Applicants from any country are welcome to apply for the position as long as they are located within approximately ± 4 hours of CET. This ensures optimal collaboration and communication during working hours.
Discover the perks of being part of our vibrant team! We offer:
Remote Work Environment: Embrace the freedom to work from anywhere, anytime, promoting a healthy work-life balance.
Unlimited PTO: Enjoy unlimited paid time off to recharge and prioritize your well-being, without counting days.
Paid National Holidays: Celebrate and relax on national holidays with paid time off to unwind and recharge.
Company-provided MacBook: Experience seamless productivity with top-notch Apple MacBooks provided to all employees who need them.
Flexible Independent Contractor Agreement: Unlock the benefits of flexibility, autonomy, and entrepreneurial opportunities. Benefit from tax advantages, networking opportunities, reduced employment obligations, and the freedom to work from anywhere. Read more about it here: https://docs.google.com/document/d/1tzxGX4Uu7Ts_HCLFXESKLnKaaBfVCPf1f9AYZPrkjJM/preview?tab=t.0
Be part of our fast-growing team and seize this excellent opportunity for personal and professional growth!
After submitting your application, we conduct a thorough review which typically takes 3 to 5 days, but may occasionally take longer due to the volume of applications received. If we see a potential fit, we proceed with the following steps:
Recruiter Screening (40 minutes)
Technical Interview (90 minutes)
Final Interview (60 minutes)
At Ruby Labs, we move fast, aim high, and expect the same from our team. We’re not here to play small—we’re here to build, grow, and win. That means we look for people who are ambitious, driven, and ready to give their best every single day.
This is a place for individuals who thrive under pressure, embrace challenges, and see opportunity in every obstacle. If you’re hungry to achieve, motivated by impact, and want to grow at the speed of your own ambition, Ruby Labs offers the platform to make it happen.
Here, effort is matched with reward. We recognize those who go all in and deliver results, and we create space for people who want more—more responsibility, more growth, and more success.
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