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
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. And we’re only just getting started.
Up next? We’re scaling our second product to revolutionize the creator economy. Think best-in-class AI content engines for video and image generation — designed to put world-class tools in every creator’s pocket.
All of this is governed by our proprietary moderation system, EverGuard — an internal AI designed to ensure everything we build is safe, ethical, and human-first.
Our Team
We are an enthusiastic, passionate and hardworking team of 55+ 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
🚀 Architect the Future of AI Relationships
As our LLM Engineer, you’ll fine-tune and optimize large language models that power conversations for over 30 million users, processing more than 5 million messages daily. You’ll be at the forefront of developing AI companionship technology that scales globally while maintaining personalized and meaningful interactions.
Key Responsibilities
- Interact with stakeholders (Co-founders, Web Engineers, DevOps Engineers) to bring your project to life.
- Oversee the creation and optimization of algorithms for LLM behavior adjustments based on user interactions, focusing on fine-tuning and prompt engineering.
- Develop features to improve the richness of the product (multi-character chats, gamification, etc)
- In addition to chat, interacting with modalities managed by other team members (audio, image, video), and collaborating with them
- Adaptation and fine-tuning of base models for multilingual support
- Manage the creation and maintenance of diverse datasets critical for training and improving the performance of LLMs.
- Assess and determine the best technological approaches, selecting between classifiers, fine-tuning, and other methods based on the specific project’s needs.
Your Qualifications
Must-Haves
- Python Mastery: 5+ years building production‑grade, modular, maintainable codebases
- LLM Architecture Expertise: Deep understanding of transformers and their training dynamics (attention, positional encodings, samplers, tokenizers, post-training, reasoning LM)
- Inference Optimization at Scale: Expert with vLLM / TensorRT‑LLM (or similar); proven record of reducing latency and memory via quantization and/or distillation
- Distributed Training: Hands‑on multi‑GPU / multi‑node fine‑tuning using FSDP, DeepSpeed, or accelerate; comfortable with mixed‑precision, gradient checkpointing, and memory‑aware scheduling
- Performance Profiling & Optimization: Skilled at identifying and resolving compute or memory bottlenecks across CPU/GPU pipelines with industry‑standard profiling workflows
Nice‑to‑Haves
- Concurrency & Runtime Engineering: Strong with asyncio, multiprocessing, or equivalent backend/batch‑scheduling patterns
- Low‑level Systems: Practical CUDA / Triton experience; able to write or debug custom kernels
- Open‑Source Impact: Contributor to core LLM tooling (vLLM, HF Transformers, Triton, etc.)
- Real‑time Deployments: Built or maintained latency‑critical, multi‑user LLM services (RAG, streaming, agents, chatbots)
- Specialized Generation Use Cases: Exposure to erotic role playing, multi‑turn instruction tuning, or non‑English quality alignment
Soft Skills
Strong communication & collaborative skills (perfectly fluent in English)
Goal-oriented, ownership and commitment
Doer mindset – we are moving fast and we need people who can find the right balance between executing, planning and strategy
Humble – willing to learn, open to feedback
#NSFW – you are comfortable building products that are based on uncensored models and content
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
We prefer a B2B contract but we can be flexible, as long as you’re in it for the long haul
Full-remote (you work from the place that suits you best)
4 weeks PTO
Annual gathering to get to know each other better
Wellbeing budget up to 200$
Company laptop
GPT-4, Mistral and Hugging Face Pro plan
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.