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

EverAI; United States; Remote; USD 120,000 - 180,000; Full time

Benefits offered by this job

Fully remote

4 weeks PTO

Annual in-person gathering

Health & wellness stipend

Co-working space budget

Learning budget

Company laptop

Equipment budget

AI tools access

Global team

Job summary

EverAI Limited in the United States is seeking a backend/full-stack engineer to help shape our AI companionship platform used by millions. You will work with a fast-growing, remote team, review specs with product managers, and contribute hands-on coding across the stack.

You will design scalable APIs, collaborate with data science and infra teams, and push features from concept to production using Ruby on Rails, PostgreSQL, Redis, and modern frontend tools.

Qualifications

• Minimum 3+ years in backend or full‑stack development.
• Experience with scalable web apps and API design.
• Excellent written and spoken English.

Responsibilities

• Review project specs with product manager and plan integrations.
• Prepare integration plans, break-downs, and estimations.
• Write code, create PRs, conduct reviews, and test.
• Collaborate with a globally distributed team.

Skills

English fluency

Backend/Full-stack development

Communication & collaboration

Data science / AI interest

Tools

Ruby on Rails

PostgreSQL

Redis

Hotwire

Tailwind CSS

Job description

Описание:

Our Vision & ProductsEverAI — 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)

Задачи:

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.

• 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.

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

Требования:

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

Условия:

• 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
• 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!