Senior Fullstack JavaScript Engineer / Product Developer

Your main missions will be:

• Design and develop new features from scratch, both on the frontend and backend, Independently developing new features that enhance user experience and increase product functionality.
• Stepping into the role of technical lead within your squad, driving excellence and setting standards.
• Improve the code base with refactoring, bug fixes, and optimization
• Work on multiple projects simultaneously
• Help the customer support team on technical issues, providing prompt and effective solutions
• Facilitating knowledge sharing and capacity building by training fellow developers, enhancing overall team competency and productivity.

Key results

• Within 3 months you will have
• Successfully onboarded and integrated into the team
• Developed a deep understanding of our B2B SaaS products and their technical requirements
• Contributed to the development of new features and improvements to our existing code base


• Within 12 months you will have
• Played a key role in the development and delivery of multiple successful projects
• Made significant contributions to the optimization and scalability of our software products
• What’s in it for you?
• Work in a profitable, bootstrapped, and high-growth company that doesn’t rely on external funding to live.
• You will have the opportunity to make a lasting impact on a suite of products that are changing the game in multiple industries.
• Work with passionate senior engineers who share their knowledge and expertise
• Great ownership of your work. You will be part of a dynamic, innovative, and passionate team that respects autonomy and encourages individual input.
• No endless meetings
• Full remote policy
• You will grow professionally and personally, enhancing your technical skills and expanding your global network.

Preferred experience

• Must have
• You’re an expert in Javascript with at least 8 years of XP
• You have a proven track record in building and maintaining web applications.
• You have a robust understanding of NodeJS and MongoDB
• You’re able to work independently and take ownership of complex projects
• You’re a fast learner
• You’re comfortable with the agile methodologies
• You like to communicate
• You like to work remotely, slack and Notion are your best friends
• You are adaptable and like to discover new things and you can work on front-end integration, back-end development, mongo optimization, customer support, and more
• You speak French and English and you are in the French timezone


• Nice to have
• You’re comfortable with MeteorJS, Mocha, PSQL
• You have a first experience in B2B SaaS startup
• You are self-taught, you have been developing personal projects since you were a child or in the evenings and weekends. This is not mandatory but a big plus for us, we are all passionate about programming and like to create things, both at work and outside

Additional Information

• Salary up to 80K
• 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 laptop + 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 ;)

Recruitment process

• Interview with Victoire our TAM
• Interview with Mickael, our CTO
• Technical test in 2 steps
• Interview with our COO