Senior Desktop Engineer (Electron.js)
Ruby Labs1d ago
Senior engineer owning a new cross-platform Electron desktop product from first commit to production.
Remote, Ukraine +8No Spanish needed
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88,000+ live jobsOverview
- Work mode
- Remote (European Union / Latvia / Slovakia / Croatia / Czech Republic / Romania / Bulgaria / Kazakhstan / Poland / Hungary / Montenegro / Estonia / Lithuania / Greece / Serbia / Georgia)
- Contract
- Full-time
- English
- Required
- Experience
- 2+ years
Visa options
The ad rules out sponsorship
The advert says visa sponsorship isn’t available for this role.
May fit the digital nomad visa
A remote job for a company outside Spain: you apply yourself, no sponsor needed. It asks for about €2,849 a month in remote income.
Skills
Nice to have
Requirements
What we're looking for
2+ years of hands-on experience in UX research, with a portfolio or case studies demonstrating research-to-product impact.
Proficiency in Figma and/or Visily for wireframing, prototyping, and user flow design.
Proven experience conducting user interviews, usability testing, and surveys - both moderated and unmoderated.
Familiarity with analytics and behavioral tools such as Mixpanel, Hotjar, FullStory, or Google Analytics.
Strong analytical mindset - ability to synthesize qualitative and quantitative data into clear, prioritized insights.
Excellent written and verbal communication skills; able to present research clearly to non-research audiences.
Advanced AI user - comfortable leveraging AI tools to accelerate research synthesis, generate interview guides, and surface patterns at scale.
English fluency required.
Nice to have
Experience in sweepstakes casino, online gaming, fintech, or consumer subscription products.
Experience working in fast-paced startup or scale-up environments.
Exposure to game mechanics, reward loops, or player psychology research.
Pay & benefits
What you'll get
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/1nkrN76JlZkbKj9WSOhlT1_mni_CZeDkHdwfIjPXVwvk/preview?tab=t.0#heading=h.ndsdl4wapxtt
Be part of our fast-growing team and seize this excellent opportunity for personal and professional growth!
The role
We're looking for a sharp, user-focused UX Researcher to help shape and improve the overall player experience. You'll act as the voice of the user by conducting research, uncovering behavioral insights, and turning those findings into clear, actionable product decisions.
You'll work closely with Product, Design, and Data teams, ensuring that product decisions are driven by real user needs and behaviors rather than assumptions. This is a high-impact opportunity for someone who enjoys working with ambiguity, finding meaningful insights, and turning research into measurable product outcomes.
What you'll do
User Research Operations - Plan and execute qualitative and quantitative research studies including user interviews, surveys, usability tests, and diary studies across the full player journey.
Behavioral Analysis - Analyze user behavior across our platform using analytics tools, session recordings, heatmaps, and funnel data to identify friction points and opportunities.
Competitor & Market Research - Conduct structured competitive analysis of sweepstakes casino products to benchmark our UX against industry standards and identify gaps.
Wireframing & Prototyping - Use Figma or Visily to translate research insights into wireframes, user flows, and low-to-mid fidelity prototypes that guide product and design decisions.
User Personas & Journey Mapping - Develop and maintain player personas, customer journey maps, and mental models that inform product strategy and prioritization.
Cross-Functional Collaboration - Work directly with Product Managers, Designers, and Developers to embed user insights into the product lifecycle from ideation through launch.
Stakeholder Reporting - Document and present research findings clearly to stakeholders, making complex insights accessible and actionable.
UX Standards - Champion user-centered design principles, accessibility standards, and usability best practices across all product initiatives.
Continuous Discovery - Proactively identify new research questions, monitor industry UX trends, and propose process improvements to keep our research function sharp.
How you'll work
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.
Hiring process
4 steps3 interviewsa task to do
Application review
Recruiter screening
With a recruiter
Share your relevant experience and learn about the next steps.
Logical thinking assessment
Online test
Gauges problem-solving and analytical skills.
Technical interview
With a hiring manager
In-depth discussion of the technical aspects of the role.
Final interview
With a managing director
Meeting with the managing director about culture, values and fit.
Offer
Hiring process
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 (60 minutes)
Final Interview (60 minutes)
About Ruby Labs
Ruby Labs is a consumer apps company headquartered in London, UK, specializing in building and scaling subscription-based mobile and web applications. The company operates across multiple verticals, including health, fitness, and productivity, with a strong focus on user acquisition, monetization, and growth engineering. With a team of around 200 professionals, Ruby Labs leverages advanced data analytics, AI, and performance marketing to optimize user experiences and drive revenue growth.
In Spain, Ruby Labs is actively expanding its remote-friendly team, with open roles spanning engineering, data, and growth marketing. The company offers a distributed work culture, making it an attractive option for international professionals seeking flexibility. Their Spain-based roles are remote, allowing talent to work from anywhere in the country while collaborating with a diverse, global team. Ruby Labs emphasizes a data-driven, results-oriented environment, ideal for professionals looking to make a direct impact on consumer products at scale.
- Industry
- Consumer Apps
- Founded
- 2019
- Employees
- 100–500
- Headquarters
- London, UK
- Website
- rubylabs.com
Good to know if you are moving
- All Spain-based roles are fully remote, allowing flexibility to work from anywhere in Spain.
- The company has a strong international team, with employees working across different time zones, offering a multicultural environment.
- Ruby Labs emphasizes a data-driven culture, making it ideal for professionals with strong analytical and technical skills.
- The company offers competitive compensation and benefits, including opportunities for professional development and growth.
- As a growing company, Ruby Labs provides significant opportunities for career advancement and ownership of impactful projects.
In their own words
About the company & team
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/
Additional information
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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