Senior Full-Stack Engineer

Ruby Labs Ltd.

Job Overview

Location

European Union

Job Type

Full-time

Full Job Description

📋 Description

• Senior Full-Stack Engineer role focused on building robust, scalable user interfaces and backend services for consumer products in health, education, and entertainment industries.
• Day-to-day responsibilities include developing high-quality UIs with Next.js, React, TypeScript, and Tailwind CSS; building backend services using Node.js and Nest.js; translating design wireframes into functional implementations; collaborating with product and backend teams; participating in code reviews; and optimizing database schemas and queries.
• Ruby Labs is a leading tech company operating innovative consumer products across multiple industries, driving the future of consumer-led solutions with a results-driven, autonomous culture.
• The role offers opportunities to deepen expertise in full-stack development, master modern frontend and backend stacks, contribute to scalable architecture, and grow within a fast-growing, ambitious team that values impact and results.

🎯 Requirements

• 5+ years of frontend development experience with Next.js, React, TypeScript, and Tailwind CSS
• 3+ years of backend experience using Nest.js
• Strong understanding of UI/UX principles and ability to work within structured design systems
• Proficiency with HTML and CSS for clean, semantic, maintainable code
• Solid understanding of responsive and adaptive design principles
• Good knowledge of SQL

🏖️ Benefits

• Remote Work Environment: freedom to work from anywhere, anytime
• Unlimited PTO: unlimited paid time off for well-being
• Paid National Holidays: time off to recharge on national holidays
• Company-provided MacBook: top-notch Apple MacBook for productivity
• Flexible Independent Contractor Agreement: autonomy, tax advantages, and entrepreneurial opportunities

Skills & Technologies

JavaScript

TypeScript

Ruby

React

Full Stack

Senior

Remote

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Ruby Labs Ltd.

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About Ruby Labs Ltd.

Ruby Labs Ltd. is a London-based product studio that builds and scales consumer subscription mobile and web applications. The company focuses on health, wellness, and productivity verticals, developing apps such as Hint, Able, and the award-winning fitness platform FitCoach. Using data-driven growth and proprietary technology, Ruby Labs rapidly prototypes, launches, and iterates products to serve millions of global users. The team combines engineering, product design, and performance marketing expertise to create sustainable digital businesses. Founded in 2018, Ruby Labs operates a portfolio of self-funded apps, emphasizing user privacy, scientific validation, and long-term customer value.

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