---
title: 'Senior Software Engineer (Ruby on Rails) (Full Remote - Europe) at EverAI'
canonical: 'https://feeny.ai/job/senior-software-engineer-ruby-on-rails-full-remote-europe-everai-europe-z77neb8vevrh'
type: 'job'
last_seen: '2026-11-09'
---

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

- **Company:** [EverAI](https://feeny.ai/companies/everai)
- **Location:** Europe
- **Compensation:** €75k–€105k
- **Employment:** full-time
- **Work type:** remote
- **Posted:** 2026-11-03
- **Last confirmed live:** 2026-11-09
- **Apply:** https://jobs.ashbyhq.com/everai/1975b619-f971-470c-8e4d-2ae9823782ad

## Job description

Our Vision & Products 🚀 EverAI — 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 — Help Us Reach 100M first, 500M next

At EverAI, we’re shaping what it means to connect with AI. With 50 million users and counting, we're not just building products — we're creating entirely new categories. Our flagship product is the world’s largest AI companionship platform, redefining relationships for millions. It is governed by our proprietary moderation system, EverGuard — an internal AI designed to ensure everything we build is safe, ethical, and human-first. And we’re only just getting started!

## Our Team

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

Alexis Soulopoulos [CEO]

- 10+ years in Tech Executive Leadership
- Co-Founder Mad Paws Holdings (from 0 to IPO)
- Forbes 30 under 30 + Deloitte TechFast50 ’22 & ‘23

Michael Monin [Co-founder & CTO]

- 10+ years as CTO / COO (web2/web3), 3 years in AI/LLM
- Serial-entrepreneur: MTK Digital (exited / 0->$20m revenue) and Zipchat (AI Chatbot for E-commerce brands)

Thomas Lacroix [Co-founder & CMO]

- 8+ years in Customer Acquisition & E-commerce Growth
- Serial-entrepreneur: Curatible (sold to Blackstone) and MTK Digital (exited / 0->$20m revenue)

Maruša Fasano [CFO/Legal]

- 25+ years in Finance, Strategy, M&A
- Ex-CFO/M&A @Curatible (exited to Blackstone)
- Ex-President of the Board @SotremoSA (exited)
- 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. You’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 💼 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

🗣 Strong communication & collaborative skills (perfectly fluent in English) 🧢 Ownership and commitment - we’re looking for owners, not renters ⚡️ Doer mindset - we are moving fast and we need people who can find the right balance between software craftsmanship and velocity 🫶🏻 User-centricity - you are proud of what you build and you share our obsession for amazing user experience 🍭 #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? 📈 Exponential Growth: From 50M users in 2 years, to 100M next — and 500M beyond 🚀 Track Record of Category-Creating Innovation: We consistently launch world-first AI applications — setting the pace, not following it 🌍 Global Impact: Top-tier user growth, real-world adoption, and cultural relevance 🧠 Proven Leadership: A senior team that’s launched, scaled, and exited & IPO’d multiple scale ups — now fully focused on reshaping AI companionship 👥 Elite Remote Team: 100% remote and built to win — world-class talent from Tier 1 tech companies, with a culture of ownership, velocity, and radical creativity 🛡️ Ethical Core: Our AI ecosystem is governed by EverGuard, our proprietary AI moderation technology, ensuring responsible development at scale

## What We Offer

✍️ Contract Type: We prefer B2B, but we’re flexible, what matters is long-term commitment and impact 📍 Work From Anywhere: Fully remote. Choose the environment where you do your best work 🏝️ Paid Time Off: 4 weeks (20 working days) of PTO per year to recharge and reset 👨‍👩‍👧‍👦 Annual Gathering: A yearly in-person meetup to connect, brainstorm, and celebrate wins together ❤️‍🩹 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) 🏢 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 📚 Learning Budget: Dedicated funds to support your professional growth: courses, books, conferences, events, or certifications 💻 Company Laptop & Equipment: Laptop provided + monitor budget up to 250 USD + keyboard/mouse/mic/headphones budget up to 150 USD ⚡ AI Tools Access: Premium access to ChatGPT, Hugging Face, Claude Code, and any other tool needed to excel at your job, power your ideas and workflows

🎯 Top Tier Talent Is Our Multiplier We’re a fully remote group of A-players from Tier 1 tech, led by an exec team who’ve launched, scaled, and exited multiple companies. We move fast, and care deeply about what we build — and who we build it with. We’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 that’s you — reach out and apply!

## About EverAI

## Company Overview
- **One-liner**: EverAI develops the world’s largest AI companionship platform, creating conversational AI experiences for roleplay, gaming, social interactions, and creative writing.
- **Entity Type**: Private (funded startup)
- **Headquarters**: Hamrun, Malta (registered address also in London, UK)
- **Founded**: 2023
- **Founders**: Thomas Lacroix (CMO & Co-founder); CEO is Alexis Soulopoulos

## Core Business
- **Primary industry/industries**: Artificial Intelligence (AI), Entertainment, Gaming, Conversational AI
- **Target customers**: B2C (consumer market for AI companions and storytelling)
- **Mission or purpose statement**: To build the future of AI companionship and create safe, ethical, human-first AI experiences, with a vision to scale towards 500M users.

## Products & Services
- **EverAI (Flagship Platform)**: The world’s largest AI companionship platform — an AI girlfriend/boyfriend experience — that redefines relationships for millions of users.
- **EverGuard**: Proprietary AI moderation technology governing the entire AI ecosystem to ensure safety, ethics, and human-first interactions.
- **AI Companions for Creatives**: Products that support storytelling, novel writing, scriptwriting, and character development through AI-generated suggestions, plot ideas, and dialogue.

## Market Standing
- **Valuation/Market Cap**: Not publicly available
- **Key Metric**: Over 30+ million users (as of early 2026), with a goal to scale to 100M+ users in 2026
- **Notable Investors/Partners**: One institutional investor identified (name not disclosed). Key partner: Everise’s EverAI Labs won the 2025 Artificial Intelligence Excellence Awards.
- **Growth Signals**: 37 employees as of May 2026 (+2.9% YoY); monthly traffic growth of +16.1%; 131 active job postings reflecting aggressive hiring (+1771% YoY in postings); company update mentions scaling from 50M to 100M+ users in 2026.

## Competitive Advantages
- **First-mover scale**: Already claims "the world's largest AI companionship platform" with 30M+ users, making it a category leader.
- **Proprietary safety tech**: EverGuard provides a unique moderation layer that differentiates from competitors on trust and safety.
- **Remote-first, global talent**: Fully remote team across 17 countries, enabling access to top talent worldwide at competitive costs.
- **Rapid product iteration**: Track record of launching world-first AI applications, consistently setting pace rather than following.

## Strategic Focus
- **Scale aggressively**: Move from 30M to 100M+ users in 2026, with long-term vision of 500M users.
- **Deepen AI companionship**: Continue innovating in the AI relationships category, combining roleplay, gaming, and creative writing.
- **Safety leadership**: Position EverGuard as an industry standard for ethical AI content moderation.
- **Hiring spree**: 131 open positions across engineering, LLM, product, marketing, legal, and creative roles — signaling heavy investment in scaling the team.

## Why Work Here
- **Fully remote culture**: "We're a fully remote group of A-players from Tier 1 tech" — work from anywhere (roles explicitly listed for Europe, Ukraine, Brazil, etc.).
- **Impact and ownership**: Direct impact on products used by millions; opportunity to help scale from 30M to 100M+ users.
- **Fast-paced environment**: "We move fast and care deeply about what we build" — emphasis on shipping and speed.
- **Tier 1 team**: Executive team with experience scaling companies to millions of users; team includes alumni from Shopify, Aylo, Stuart, and other notable tech companies.
- **Heavily engineering-focused**: 50% of current employees are in technical roles (18 out of 37); senior-heavy culture (39% senior, 33% specialist).
- **Perks not explicitly listed**, but job postings indicate competitive salaries (e.g., €37K–€47K for Junior Performance Marketer in Austria with bonuses).
- **Culture keywords**: "passion for technology and storytelling," "creative freedom," "user respect," "privacy." 

## Sources
1. [everai.ai](https://www.everai.ai/)
2. [LinkedIn](https://ua.linkedin.com/company/everai)
3. [Tracxn](https://tracxn.com/d/companies/everai/__a-BfKAmmldmPUAIiA8MN-32V90nUYA59W9E1gPS68uU)
4. [Built In](https://builtin.com/company/everai)
5. [Jobs.ashbyhq.com](https://jobs.ashbyhq.com/everai)

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