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Senior ruby-on-rails engineer

EverAI
Rail engineer
€60,000 - €120,000 a year
Posted: 25 November
Offer description

Our Vision & Products
EverAI — Building the Future of AI Companionship
One of the Top 15 Largest & Fastest-Growing AI Companies in the World
30+ Million Users in under 2 years — Help Us Reach 100M first, 500M next
At
EverAI
, we're shaping what it means to connect with AI. With
30+ 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 girlfriend/boyfriend 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 70 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), 1+ year 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 (Back-end / Ruby)
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).

NB: while we remain open to full-stack expertise, we are looking for people with a strong edge on
back-end development using Ruby-on-Rails.
Your Qualifications
Must-haves
5+ years of experience:

* As a back-end or full-stack software engineer - recent experience with Ruby-on-Rails is mandatory
* 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…)
* Experience working with globally distributed teams

Why EverAI?

Exponential Growth
: From 30M+ users in 18 months, 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:
Up to $200 per year for wellbeing expenses + unlimited 1:1 sessions with psychologists and lifestyle experts through
OpenUp
(also available for up to three 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


Equipment:
Company laptop provided + monitor budget up to $250 for your workspace setup


AI Tools Access:
Premium access to
ChatGPT,
Cursor,
Hugging Face, and others,
to 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
* 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*
if they're hired. Submit a referral here.

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