Senior Full-Stack Engineer, Next.js

Ruby Labs

Senior Full-Stack Engineer developing and scaling profitable D2C products at Ruby Labs. Driving technical decisions and engineering excellence in a fast-paced environment.

Posted 5/19/2026full-timeRemote • 🇺🇦 UkraineSeniorWebsite

Tech Stack

Tools & technologies

AWSCloudDockerJavaScriptNext.jsPostgresReactRedisTypeScript

About the role

Key responsibilities & impact

Take ownership of core product components from concept to deployment.
Collaborate with the Product team to design scalable and maintainable architectures.
Participate in (and lead) code reviews and ensure best practices across the team.
Mentor junior and mid-level developers, providing guidance and fostering growth.
Contribute to hiring and onboarding new team members.
Maintain high code quality and application performance in a fast-paced, high-traffic environment.
Set up and improve CI/CD pipelines and development workflows.
Monitor, debug, and improve the stability and scalability of the system.
Help shape the engineering culture as the team grows.

Requirements

What you’ll need

At least 4 years of experience with Next.js for full-stack application development.
At least 2 years of experience with Next.js App Router.
Strong expertise in JavaScript/TypeScript and modern ReactJS.
Experience leading a small team in a continuous deployment environment.
Experience with CI/CD pipelines, Docker, and cloud infrastructure (preferably AWS, Cloudflare).
Solid understanding of PostgreSQL and Redis, including performance tuning and schema design.
Experience with A/B testing frameworks and using analytics to drive product decisions.
Familiarity with CMS (preferably Payload).
Demonstrated ability to mentor other engineers and elevate team performance.
Clear communication style — able to explain complex topics clearly and concisely.
A proactive mindset — you spot issues before they become problems and take ownership.
Comfortable making technical decisions and defending them with logic and data.
Experience leading teams or projects.

Benefits

Comp & perks

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.

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Hard Skills & Tools

Next.jsJavaScriptTypeScriptReactJSCI/CD pipelinesDockerAWSCloudflarePostgreSQLRedis

Soft Skills

mentoringleadershipcommunicationproactive mindsetproblem-solving