Fullstack Developer

Job description

About us 👇🏼

At lempire, we’re a passionate team on a mission to help individuals and businesses grow.

As a B2B SaaS company, valued at $150 million, we have a suite of 5 products:

🔵 lemlist: our cold outreach tool, used by 10,000+ users worldwide to find leads & their emails, write campaigns, personalize at scale, and get more customers.

🟠 lemwarm: the 1st deliverability tool on the market that helps users reach their audience’s inboxes.

🔴 lemcal: our scheduling tool that allows you to create a personalized booking page and reduce no-shows.

🟣 Taplio & Tweet Hunter: our tools, used by top influencers like Justin Welsh, to build personal brands on LinkedIn & X (formerly Twitter).

lempire is a fast-growing company with $26M+ in revenue, profitable, and 100% bootstrapped.

Our mantra: Keep growing! We live by it every day.

💻 The Role

We’re looking for a Fullstack Developer to fix, clean, and improve Taplio & Tweet Hunter.

If you want a brand-new project, this isn’t for you.

If you love turning messy code into something scalable and maintainable, keep reading.

🛠 What You’ll Do

• Refactor and optimize our codebase (Next.js, Google Cloud Platform, Javascript, Git).

• Identify and fix bugs across frontend and backend.

• Improve performance and maintainability.

• Support customer success, solving technical issues when needed.

• Challenge product requests, balancing speed and quality.

🔥 What’s in It for You?

✅ Fully remote & flexible work. Amazing offices in Paris.

✅ Join a profitable, bootstrapped, and high-growth company.

✅ Work with a motivated, no-BS team.

✅ Direct impact – your work will shape our product.

💡 Who You Are

✅ Must-Haves

3+ years experience

Strong JavaScript / TypeScript skills.

Proven experience cleaning messy code.

Responsible for your own code

Ability to see the big picture and suggest smart trade-offs.

Fast learner, proactive, and independent.

Fluent in English.

✨ Nice-to-Have

• Experience with Twitter Enterprise APIs.

• Experience with LinkedIn APIs.

• Strong GCP knowledge.

Additional Information

Salary up to 65k based on xp + bonus

Where you live, and work is totally up to you – we do have an office in Paris if you enjoy life at the office 🇫🇷

Profit sharing: When lempire wins, all team members share the profits

Alan Blue: Comprehensive 100% premium medical coverage for you and your family

Swile Meal Tickets: Enjoy daily meal tickets to fuel productivity

Navigo Card: Seamless commuting with a 100% covered Navigo card

Full-remote Work Setup: A well-funded home office budget to ensure seamless remote work

Gear: Get a Macbook Pro + tools and equipment you need for your job

Team building: We all meet once per year at really cool places around the world (you can check our video here ;)

Interview process

Interview with Victoire our TAM

Fit dev+PM

Technical test - TBD

Interview with our GM