Fullstack Developer – Taplio & TweetHunter
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
Average salary estimate
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