Senior Fullstack TS Developer (Node.js / React / MongoDB)

Summary

Build and maintain B2B SaaS features using TypeScript, Node.js, React, and MongoDB while collaborating with product teams and supporting customers.

Join to apply for the Senior Fullstack TS Developer (Node.js / React / MongoDB) role at lemlist

lemlist is a global B2B SaaS business with the mission to help any business grow

We are doing over $44M in ARR while beinng :

Profitable
A small, agile team of 145+ highly talented people
remote-friendly
Majority owned by an entrepreneur, Guillaume Moubeche, Founder & Chairman — which gives us maximum freedom

Job Description

You'll be responsible for designing and developing new features for our SaaS products.

We need someone who is passionate, autonomous, and loves technical challenges.

You will be using Node.js a lot.

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.
Improve the code base with refactoring, bug fixes, and optimization
Work on multiple projects simultaneously
Work constantly with the Product team, as you will part of the whole development process
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
If that's something you're interested in, stepping into the role of technical lead within your squad in the future, driving excellence and setting standards.

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 codebase

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 :

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 comfortable with the agile methodologies
You like to communicate
You like to work remotely, Gather, 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 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 between 50K€ and 70K€ fixed salary + 15K€ bonus
Where you live, and work is totally up to you – we just want you to be in a timezone close to ours (France +/- 2 hours)
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 48GB 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

Recruitment process :

Interview with Lucas our TAM (30 min)
Interview with Corentin, our VP of Engineering (30 min)
Technical Interview with Mickael, our CTO, and Corentin, our VP of Engineering (1H)
Interview with our CEO (30 min)

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