Ruby Labs Ltd.

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.

Open Positions at Ruby Labs Ltd.

Ruby Labs Ltd.

Ukraine

Full-time

Expires Jun 18, 2026

TypeScript

Go

Ruby

+2 more

3 days ago

Head of Product

Ruby Labs Ltd.

Ukraine

Full-time

Expires Jun 16, 2026

Go

Ruby

Remote

5 days ago

Senior Next.js Full Stack Engineer

Ruby Labs Ltd.

European Union

Full-time

Expires Jun 16, 2026

JavaScript

TypeScript

Go

+5 more

5 days ago

Head of User Acquisition

Ruby Labs Ltd.

Ukraine

Full-time

Expires Jun 16, 2026

Go

Ruby

Design

+1 more

5 days ago

Ruby Labs Ltd.

European Union

Full-time

Expires Jun 14, 2026

Python

JavaScript

TypeScript

+4 more

7 days ago

Senior CRO Manager

Ruby Labs Ltd.

Ukraine

Full-time

Expires Jun 10, 2026

Go

Ruby

Senior

+2 more

11 days ago

Growth Product Manager

Ruby Labs Ltd.

Ukraine

Full-time

Expires Jun 10, 2026

Go

Ruby

Product Management

+1 more

11 days ago

Golang Developer

Ruby Labs Ltd.

Kazakhstan

Full-time

Expires Jun 10, 2026

Go

Ruby

PostgreSQL

+3 more

11 days ago

Ruby Labs Ltd.

Ukraine

Full-time

Expires Jun 8, 2026

Python

Go

Ruby

+3 more

13 days ago

Mid-Level Data Analyst

Ruby Labs Ltd.

Ukraine

Full-time

Expires Jun 8, 2026

Python

Go

Ruby

+4 more

13 days ago

SERM / SEO Specialist (Brand Reputation & Search Visibility)

Ruby Labs Ltd.

Serbia

Full-time

Expires Jun 8, 2026

Go

Ruby

Remote

13 days ago

Intellectual Property Lawyer

Ruby Labs Ltd.

Ukraine

Full-time

Expires Jun 6, 2026

Go

Ruby

Remote

15 days ago

Product Manager

Ruby Labs Ltd.

European Union

Full-time

Expires Jun 2, 2026

Go

Ruby

Product Management

+2 more

19 days ago

Email Marketing Growth Manager

Ruby Labs Ltd.

European Union

Full-time

Expires Jun 2, 2026

Go

Ruby

Remote

19 days ago

Head of User Acquisition

Ruby Labs Ltd.

European Union

Full-time

Expires Jun 2, 2026

Go

Ruby

Design

+1 more

19 days ago

Senior Full-Stack Software Developer

Ruby Labs Ltd.

European Union

Full-time

Expires May 31, 2026

JavaScript

TypeScript

Go

+5 more

21 days ago

Ruby Labs Ltd.

Ukraine

Full-time

Expires May 31, 2026

Go

Ruby

PostgreSQL

+3 more

21 days ago

Senior Growth Product Manager

Ruby Labs Ltd.

Ukraine

Full-time

Expires May 31, 2026

Go

Ruby

Product Management

+2 more

21 days ago

Head of User Acquisition

Ruby Labs Ltd.

Lithuania

Full-time

Expires May 31, 2026

Go

Ruby

Design

+1 more

21 days ago

UX Lead (Product & Growth)

Ruby Labs Ltd.

European Union

Full-time

Expires May 31, 2026

Go

Ruby

Design

+2 more

21 days ago

Senior UA Manager (Meta & TikTok)

Ruby Labs Ltd.

Ukraine

Full-time

Expires May 31, 2026

Go

Ruby

iOS

+2 more

21 days ago

Ruby Labs Ltd.

Ukraine

Full-time

Expires May 31, 2026

Go

Ruby

Remote

21 days ago

Senior User Acquisition Manager

Ruby Labs Ltd.

Ukraine

Full-time

Expires May 31, 2026

Go

Ruby

Design

+2 more

21 days ago

Ruby Labs Ltd.

Croatia

Full-time

Expires May 31, 2026

Go

Ruby

Design

+1 more

21 days ago

Team Lead Developer (Next.js / Node.js)

Ruby Labs Ltd.

Ukraine

Full-time

Expires May 31, 2026

JavaScript

Go

Ruby

+4 more

21 days ago

Senior Copywriter & Content Lead

Ruby Labs Ltd.

European Union

Full-time

Expires May 29, 2026

Go

Ruby

Senior

+1 more

23 days ago

Senior CRO Manager

Ruby Labs Ltd.

Ukraine

Full-time

Expires May 29, 2026

Go

Ruby

Senior

+2 more

23 days ago

Lead NextJS Full Stack Engineer

Ruby Labs Ltd.

Ukraine

Full-time

Expires May 29, 2026

23 days ago

Senior Legal Counsel

Ruby Labs Ltd.

Ukraine

Full-time

Expires May 29, 2026

Go

Ruby

Senior

+1 more

23 days ago

Head of Customer Support

Ruby Labs Ltd.

Brazil

Full-time

Expires May 29, 2026

Go

Ruby

Remote

23 days ago

2D Graphic & Motion Designer

Ruby Labs Ltd.

Ukraine

Full-time

Expires May 27, 2026

Go

Ruby

Design

+1 more

25 days ago

International Tax Compliance Specialist

Ruby Labs Ltd.

European Union

Full-time

Expires May 27, 2026

Go

Ruby

Junior

+1 more

25 days ago

Forward-Deployed Engineer

Ruby Labs Ltd.

Ukraine

Full-time

Expires May 27, 2026

JavaScript

TypeScript

Go

+3 more

25 days ago

React Native Developer (Mid–Senior)

Ruby Labs Ltd.

European Union

Full-time

Expires May 27, 2026

JavaScript

Go

Ruby

+5 more

25 days ago

Head of User Acquisition

Ruby Labs Ltd.

Ukraine

Full-time

Expires May 27, 2026

25 days ago

Senior User Acquisition Manager

Ruby Labs Ltd.

European Union

Full-time

Expires May 22, 2026

Go

Ruby

React

+4 more

1 month ago

Head of Product

Ruby Labs Ltd.

Ukraine

Full-time

Expires May 20, 2026

Go

Ruby

Swift

+1 more

1 month ago

Ruby Labs Ltd.

European Union

Full-time

Expires May 20, 2026

Go

Ruby

Remote

1 month ago

2D Graphic and Motion Designer

Ruby Labs Ltd.

Ukraine

Full-time

Expires May 20, 2026

Go

Ruby

Design

+1 more

1 month ago

Senior Backend Engineer

Ruby Labs Ltd.

European Union

Full-time

Expires May 20, 2026

JavaScript

Go

Ruby

+5 more

1 month ago

User Acquisition Manager

Ruby Labs Ltd.

Serbia

Full-time

Expires May 17, 2026

Go

Ruby

Design

+1 more

1 month ago

Ad Creative Producer (iGaming / Social Casino)

Ruby Labs Ltd.

European Union

Full-time

Expires May 15, 2026

Go

Ruby

Remote

1 month ago

Junior Customer Support Representative (Payouts)

Ruby Labs Ltd.

Turkey

Full-time

Expires May 15, 2026

Go

Ruby

Junior

+1 more

1 month ago

Lead Full-Stack Engineer

Ruby Labs Ltd.

European Union

Full-time

Expires May 15, 2026

JavaScript

TypeScript

Go

+5 more

1 month ago

Junior Customer Support Representative (Tickets)

Ruby Labs Ltd.

Turkey

Full-time

Expires May 15, 2026

Go

Ruby

Junior

+1 more

1 month ago

Mid-Level Customer Support Representative (Tickets)

Ruby Labs Ltd.

Brazil

Full-time

Expires May 15, 2026

Go

Ruby

Mid-level

+1 more

1 month ago

Anti-Money Laundering (AML) Officer

Ruby Labs Ltd.

Brazil

Full-time

Expires May 15, 2026

1 month ago

Head of Customer Support

Ruby Labs Ltd.

Brazil

Full-time

Expires May 15, 2026

1 month ago

Lead React Native Developer

Ruby Labs Ltd.

European Union

Full-time

Expires May 15, 2026

1 month ago

Mid-Level Customer Support Representative (Payouts)

Ruby Labs Ltd.

Brazil

Full-time

Expires May 15, 2026

Go

Ruby

Mid-level

+1 more

1 month ago

CRO Manager (AI Driven)

Ruby Labs Ltd.

Ukraine

Full-time

Expires May 14, 2026

Go

Ruby

Remote

1 month ago

Junior User Acquisition Manager

Ruby Labs Ltd.

Ukraine

Full-time

Expires May 14, 2026

Go

Ruby

Design

+2 more

1 month ago

Full-Stack Engineer

Ruby Labs Ltd.

Ukraine

Full-time

Expires May 14, 2026

JavaScript

Go

Ruby

+4 more

1 month ago

Anti-Money Laundering (AML) Officer

Ruby Labs Ltd.

Brazil

Full-time

Expires May 14, 2026

Go

Ruby

Remote

1 month ago

Head of Customer Support

Ruby Labs Ltd.

Brazil

Full-time

Expires May 14, 2026

Go

Ruby

Remote

1 month ago

Senior Growth Product Manager

Ruby Labs Ltd.

Ukraine

Full-time

Expires May 11, 2026

Go

Ruby

Product Management

+2 more

1 month ago

Email Marketing Growth Manager

Ruby Labs Ltd.

Ukraine

Full-time

Expires May 11, 2026

Go

Ruby

Remote

1 month ago

Customer Support Agent

Ruby Labs Ltd.

Brazil

Full-time

Expires May 11, 2026

Go

Ruby

Remote

1 month ago

Senior Data Analyst

Ruby Labs Ltd.

Romania

Full-time

Expires May 11, 2026

Python

Go

Ruby

+4 more

1 month ago

Senior Recruiter

Ruby Labs Ltd.

Ukraine

Full-time

Expires May 11, 2026

Go

Ruby

GitHub

+3 more

1 month ago

Middle Full-Stack Developer

Ruby Labs Ltd.

Ukraine

Full-time

Expires May 9, 2026

JavaScript

Go

Ruby

+5 more

1 month ago

Community Manager

Ruby Labs Ltd.

European Union

Full-time

Expires May 9, 2026

Go

Ruby

Remote

1 month ago

Head of User Acquisition

Ruby Labs Ltd.

Ukraine

Full-time

Expires May 6, 2026

Go

Ruby

Design

+1 more

2 months ago

Social Media Manager

Ruby Labs Ltd.

European Union

Full-time

Expires May 6, 2026

Go

Ruby

Remote

2 months ago

Lead NextJS Full Stack Engineer

Ruby Labs Ltd.

Ukraine

Full-time

Expires May 6, 2026

JavaScript

TypeScript

Go

+5 more

2 months ago

2D Graphic and Motion Designer

Ruby Labs Ltd.

Ukraine

Full-time

Expires May 3, 2026

Go

Ruby

Design

+1 more

2 months ago

International Tax Compliance Specialist

Ruby Labs Ltd.

European Union

Full-time

Expires May 3, 2026

Go

Ruby

Junior

+1 more

2 months ago

Ruby Labs Ltd.

Ukraine

Full-time

Expires May 3, 2026

JavaScript

TypeScript

Go

+4 more

2 months ago

Senior Data Analyst

Ruby Labs Ltd.

Ukraine

Full-time

Expires May 3, 2026

Python

JavaScript

Go

+4 more

2 months ago

Ruby Labs Ltd.

Ukraine

Full-time

Expires May 3, 2026

Python

JavaScript

TypeScript

+4 more

2 months ago

Creative Producer

Ruby Labs Ltd.

Ukraine

Full-time

Expires May 3, 2026

Go

Ruby

Remote

2 months ago

IT Security Lead

Ruby Labs Ltd.

Ukraine

Full-time

Expires May 2, 2026

TypeScript

Go

Ruby

+4 more

2 months ago

Deputy Head of Engineering (Node.js / Next.js)

Ruby Labs Ltd.

Ukraine

Full-time

Expires May 1, 2026

JavaScript

TypeScript

Go

+4 more

2 months ago

⏰ EXPIRES SOON

Frontend UI/UX Developer (AI-Driven Design)

Ruby Labs Ltd.

Ukraine

Full-time

Expires Apr 29, 2026 (Soon)

JavaScript

TypeScript

Go

+4 more

2 months ago

⏰ EXPIRES SOON

Ruby Labs Ltd.

European Union

Full-time

Expires Apr 29, 2026 (Soon)

Go

Ruby

Remote

2 months ago

⏰ EXPIRES SOON

Ruby Labs Ltd.

Ukraine

Full-time

Expires Apr 29, 2026 (Soon)

Python

Go

Ruby

+3 more

2 months ago

⏰ EXPIRES SOON

Mid-Level Data Analyst

Ruby Labs Ltd.

Ukraine

Full-time

Expires Apr 29, 2026 (Soon)

Python

Go

Ruby

+4 more

2 months ago

⏰ EXPIRES SOON

Head of Experimentations

Ruby Labs Ltd.

European Union

Full-time

Expires Apr 29, 2026 (Soon)

Go

Ruby

Remote

2 months ago

⏰ EXPIRES SOON

Junior CRO Specialist

Ruby Labs Ltd.

Ukraine

Full-time

Expires Apr 29, 2026 (Soon)

Go

Ruby

Junior

+1 more

2 months ago

⏰ EXPIRES SOON

Junior Project Manager

Ruby Labs Ltd.

Ukraine

Full-time

Expires Apr 28, 2026 (Soon)

Go

Ruby

Junior

+1 more

2 months ago

⏰ EXPIRES SOON

Forward-Deployed Engineer

Ruby Labs Ltd.

Ukraine

Full-time

Expires Apr 28, 2026 (Soon)

JavaScript

TypeScript

Go

+3 more

2 months ago

⏰ EXPIRES SOON

Ruby Labs Ltd.

Ukraine

Full-time

Expires Apr 28, 2026 (Soon)

Go

Ruby

PostgreSQL

+3 more

2 months ago

⏰ EXPIRES SOON

Lead React Native Developer

Ruby Labs Ltd.

European Union

Full-time

Expires Apr 27, 2026 (Soon)

Go

Ruby

React

+5 more

2 months ago

⏰ EXPIRES SOON

Integrations Engineer (Payments SDK & Integrations)

Ruby Labs Ltd.

Ukraine

Full-time

Expires Apr 27, 2026 (Soon)

JavaScript

TypeScript

Go

+3 more

2 months ago

⏰ EXPIRES SOON

Intellectual Property Lawyer

Ruby Labs Ltd.

Ukraine

Full-time

Expires Apr 27, 2026 (Soon)

Go

Ruby

Remote

2 months ago

⏰ EXPIRES SOON

Ruby Labs Ltd.

European Union

Full-time

Expires Apr 26, 2026 (Soon)

Go

Ruby

Remote

2 months ago

⏰ EXPIRES SOON

Head of Data Analytics

Ruby Labs Ltd.

European Union

Full-time

Expires Apr 26, 2026 (Soon)

Python

Go

Ruby

+3 more

2 months ago