Posted 5 weeks ago

Senior Software Engineer (Ruby on Rails) (Full Remote - Europe)

EverAI Portugal
Remote Full Time

Salary: โ‚ฌ75,000โ€“โ‚ฌ105,000 / year

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Job description

Our Vision & Products

๐Ÿš€ EverAI โ€” Building the Future of AI Companionship

One of the Top 15 Largest & Fastest-Growing AI Companies in the World

50 Million Users in 2 years โ€” Help Us Reach 100M first, 500M next

At EverAI, weโ€™re shaping what it means to connect with AI. With 50 million users and counting, we're not just building products โ€” we're creating entirely new categories.

Our flagship product is the worldโ€™s largest AI companionship platform, redefining relationships for millions. It is governed by our proprietary moderation system, EverGuard โ€” an internal AI designed to ensure everything we build is safe, ethical, and human-first.

And weโ€™re only just getting started!

Our Team

We are an enthusiastic, passionate and hardworking team of โ‰ˆ 100 people. Our founding team has strong entrepreneurial experience building and scaling web products from 0 to IPO.

Alexis Soulopoulos [CEO]

โ€ข 10+ years in Tech Executive Leadership

โ€ข Co-Founder Mad Paws Holdings (from 0 to IPO)

โ€ข Forbes 30 under 30 + Deloitte TechFast50 โ€™22 & โ€˜23

Michael Monin [Co-founder & CTO]

โ€ข 10+ years as CTO / COO (web2/web3), 3 years in AI/LLM

โ€ข Serial-entrepreneur: MTK Digital (exited / 0->$20m revenue) and Zipchat (AI Chatbot for E-commerce brands)

Thomas Lacroix [Co-founder & CMO]

โ€ข 8+ years in Customer Acquisition & E-commerce Growth

โ€ข Serial-entrepreneur: Curatible (sold to Blackstone) and MTK Digital (exited / 0->$20m revenue)

MarusฬŒa Fasano [CFO/Legal]

โ€ข 25+ years in Finance, Strategy, M&A

โ€ข Ex-CFO/M&A @Curatible (exited to Blackstone)

โ€ข Ex-President of the Board @SotremoSA (exited)

โ€ข Co-founder/CFO @SoftOne (exited)

Your Role

Our tech team is expanding rapidly to keep pace with the ambitious feature roadmap we've set out. We are therefore hiring experienced Senior Software Engineers, to help us build and scale our product. Youโ€™ll have the opportunity to help define our roadmap and find the best technical solutions to help our customers. You will also have time to run some experiments and bring new ideas to the table.

Reporting directly to our Tech Lead, you will be responsible for:

  • Interacting with the Product Manager to review project specs
  • Preparing integration plans, break-downs, and estimations
  • Hands-on code implementation, PRs, code reviews, testing, etc.

You'll be working with Michael (co-founder and CTO) along with the product team and the engineering team (web developers, SRE, data scientists).

What you will be working with

  • Ruby, Ruby on Rails (latest)
  • PostgreSQL, Redis
  • Hotwire (Turbo & Stimulus)
  • Tailwind CSS

Your Qualifications

Must-haves

๐Ÿ’ผ 5+ years of experience:

  • As a back-end or full-stack software engineer
  • In tech scale-ups or any similarly agile and fast-paced environment
  • On large-scale products where your code was used by thousands of monthly users

๐Ÿ—ฃ Strong communication & collaborative skills (perfectly fluent in English)

๐Ÿงข Ownership and commitment - weโ€™re looking for owners, not renters

โšก๏ธ Doer mindset - we are moving fast and we need people who can find the right balance between software craftsmanship and velocity

๐Ÿซถ๐Ÿป User-centricity - you are proud of what you build and you share our obsession for amazing user experience

๐Ÿญ #NSFW - you are comfortable building products that are based on uncensored models and content

Bonus points

  • Past experience and/or interest in data science and generative AI (NLP, ML, MLOps, etc.)
  • Experience working with globally distributed teams

Why EverAI?

๐Ÿ“ˆ Exponential Growth: From 50M users in 2 years, to 100M next โ€” and 500M beyond

๐Ÿš€ Track Record of Category-Creating Innovation: We consistently launch world-first AI applications โ€” setting the pace, not following it

๐ŸŒ Global Impact: Top-tier user growth, real-world adoption, and cultural relevance

๐Ÿง  Proven Leadership: A senior team thatโ€™s launched, scaled, and exited & IPOโ€™d multiple scale ups โ€” now fully focused on reshaping AI companionship

๐Ÿ‘ฅ Elite Remote Team: 100% remote and built to win โ€” world-class talent from Tier 1 tech companies, with a culture of ownership, velocity, and radical creativity

๐Ÿ›ก๏ธ Ethical Core: Our AI ecosystem is governed by EverGuard, our proprietary AI moderation technology, ensuring responsible development at scale

What We Offer

โœ๏ธ Contract Type: We prefer B2B, but weโ€™re flexible, what matters is long-term commitment and impact ๐Ÿ“ Work From Anywhere: Fully remote. Choose the environment where you do your best work ๐Ÿ๏ธ Paid Time Off: 4 weeks (20 working days) of PTO per year to recharge and reset ๐Ÿ‘จโ€๐Ÿ‘ฉโ€๐Ÿ‘งโ€๐Ÿ‘ฆ Annual Gathering: A yearly in-person meetup to connect, brainstorm, and celebrate wins together โค๏ธโ€๐Ÿฉน Health & Wellness Support: Monthly allowance of 100 USD for health insurance expenses & access to unlimited 1:1 sessions with psychologists and lifestyle experts through OpenUp (also available to up to three of your family members) ๐Ÿข Co-Working Space Budget: Work from a co-working space up to twice per month (35 EUR / 40 USD per visit) to stay inspired and connected ๐Ÿ“š Learning Budget: Dedicated funds to support your professional growth: courses, books, conferences, events, or certifications ๐Ÿ’ป Company Laptop & Equipment: Laptop provided + monitor budget up to 250 USD + keyboard/mouse/mic/headphones budget up to 150 USD โšก AI Tools Access: Premium access to ChatGPT, Cursor, Hugging Face, Claude Code, and any other tool needed to excel at your job, power your ideas and workflows

* ๐Ÿ’ธ Compensation: Our salary ranges are set based on role level, scope, location, and market data, and applied consistently regardless of candidate background or negotiation history. The final offer within the published range reflects assessed experience and scope

๐ŸŽฏ Top Tier Talent Is Our Multiplier

Weโ€™re a fully remote group of A-players from Tier 1 tech, led by an exec team whoโ€™ve launched, scaled, and exited multiple companies. We move fast, and care deeply about what we build โ€” and who we build it with.

Weโ€™re looking for exceptional talent ready to ship & distribute world-first AI products at scale, fast, and co-create with us this category-defining business.

If thatโ€™s you โ€” reach out and apply!

๐Ÿ’ก External Referral Program

Know someone who could be a great fit for this role? You can refer them through the EverAI External Referral Program and earn a bonus of up to 2,500 USD if theyโ€™re hired. Submit a referral here.

Skills and functions

  • Data Science
  • Product Management
  • Software Engineering