Senior Fullstack Engineer @Basalt (eFounders)

eFounders is a startup studio, part of Hexa

We partner with talented cofounders to build the future of product-led SaaS.

We pioneered the startup studio model in 2011 and have since launched over 30 companies (7 of them have made exits) with $700M in funding and now reaching a valuation of over $5 billion - including Front, Aircall, and Spendesk which recently became unicorns.

Today, over 2,500 employees across the world work in a startup which started out as a simple mockup right here at eFounders.

Our companies: Roundtable • Elba • Dotfile • Swan • Cycle • Folk • Upflow • Yousign + many other startups and more to come.

We are Basalt

At Basalt, we’re all about crafting AI features that go beyond the ordinary. Our platform helps teams prototype, test, and launch AI features up to 10 times faster, making it easier to deliver the kind of intuitive, powerful experiences that users love. We focus on combining technology and creativity to build AI solutions that truly make a difference.

Joining Basalt means being part of a dynamic and forward-thinking team dedicated to pushing the boundaries of what's possible with AI. We're a group of innovators, thinkers, and creators who are passionate about making a real impact. Here, you'll have the opportunity to collaborate on cutting-edge projects, learn from industry experts, and grow in a supportive, open-minded environment. If you're excited about shaping the future of customer service and building something truly meaningful, we would love to have you on our team.

Come be a part of Basalt's journey, and let your ideas and skills make the difference every day.

Your mission

As a Senior Full-Stack Developer, you will play a crucial role in the development of our application. Your expertise will bridge the gap between front-end and server-side infrastructure using technologies like ReactJS/TypeScript for front-end, Node.js for the back-end. Other technologies are also part of the game such as Docker, PostgreSQL, and much more. Our system is designed in micro-services in a mono-repo architecture, ensuring a great developer experience with high scalability.

Your responsibilities will include:

• Engineering robust front-end and back-end solutions for our platforms
• Ensuring our codebase is scalable, maintainable, and secure
• Designing and optimizing the overall architecture of our applications
• Collaborating closely with the product team to enhance user experience
• Working with the other developers hand in hand to always improve the product and the code base
• Contributing your own experience to the project

Is that you?

• Minimum of 4 years in Full-Stack Development
• Proficiency in TypeScript/JavaScript, ReactJS
• A strong passion for AI ecosystem and developing high-quality applications with modern technologies
• Independent and proactive, yet thrives in a collaborative team environment. We love people that can bring their own experience to propose improvements
• At Basalt, we seek pioneers who are motivated by challenges and excited about the possibilities of AI. If this sounds like you, we encourage you to apply even if you don't meet every single requirement!

What we offer

• Compensation: Competitive salary based on profile + equity options
• Location: We're currently based at Hexa's headquarters in the heart of Paris's 10th arrondissement. Remote work is allowed.
• Start Date: As soon as you are available

️Process

• We value your time as much as ours, so we keep our process swift and engaging:
• Initial call with HR team (30 min)
• A quick call with the CTO to introduce you to our team and mission and to make sure we meet your expectations (30 min)
• A more in-depth interview with the CTO to delve into your background, your skills, and expertise (1h30)
• A casual meet-up with the CEO and Mat, Partner @eFounder to finalize the fit and introduce you to the team environment
• Reference calls

Hexa is committed to creating a diverse environment. All qualified applicants will receive consideration for employment irrespective of gender, origins, identity, background, and sexual orientations.

We are aware there’s a long way to go with regards to diversity in our industry, which is why we encourage all applicants - and especially those listed above - to apply to our open positions.

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