Research Engineering Lead
Lovable · Stockholm
- On site
- Fulltime
- Stockholm
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Subject: Interested in the Research Engineering Lead role at Lovable
Hi Sam — I came across the Research Engineering Lead opening and wanted to reach out directly. I've spent the last few years doing exactly this kind of work, and Lovable stood out because…
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About the role
TL;DR - We’re looking for a hands-on research and engineering leader to get the best performance out of commercial and open source frontier models, in order to power the future of AI software engineering. You’ll own experiments end-to-end—from dataset design to model alignment and performance optimization. Must be curious, experimental, and obsessed with squeezing the most out of models.ae
Why Lovable?
Lovable lets anyone and everyone build software with plain English. From solopreneurs to Fortune 100 teams, millions of people use Lovable to transform raw ideas into real products - fast. We are at the forefront of a foundational shift in software creation, which means you have an unprecedented opportunity to change the way the digital world works. Over 2 million people in 200+ countries already use Lovable to launch businesses, automate work, and bring their ideas to life. And we’re just getting started.
We’re a small, talent-dense team building a generation-defining company from Stockholm. We value extreme ownership, high velocity and low-ego collaboration. We seek out people who care deeply, ship fast, and are eager to make a dent in the world.
What we’re looking for
Led or contributed to cutting-edge LLM research at top AI labs
Fine-tuned large-scale transformer models on datasets including code, natural language, and multimodal inputs`
Developed state-of-the-art models for code generation
Designed high-quality experiments and have strong sense for effective evaluation
A natural leader obsessed with building the best technical team in the world
Mentored team of researchers / engineers, and led collaborative projects across research, engineering, and product teams
Bonus: Published at top ML/AI conferences on LLMs, code intelligence, or agentic reasoning
What you’ll do
In one sentence: Build the most powerful ensemble of LLMs into lovable products.
Design and execute experiments grounded in real coding and product use cases
Define, track and optimize product-centric LLM performance metrics
Partner with engineering leads to hire and hone a world-class team
Own training pipelines, distillation workflows, and synthetic data generation systems
Work closely with infra and product engineers to scale and ship model improvements
Our tech stack
We're building with tools that both humans and AI love:
Frontend: React for lightning-fast interfaces
Backend: Golang and Rust for serious performance
Cloud: Cloudflare, Google Cloud Run, AWS, Terraform
DevOps & Tooling: CI/CD pipelines, observability, infra-as-code
And always on the lookout for what's next!
How we hire
Fill in a short form then jump on an intro call with the team.
Complete the take-home exercise
Show us how you approach problems during two technical interviews
Join us for trial work lasting 2 days preferably on-site. We'll see how you tick and you get to meet the team and explore whether joining Lovable feels right for you.
About your application
Please submit your application in English - it’s our company language so you’ll be speaking lots of it if you join
We treat all candidates equally - if you’re interested please apply through our careers portal