Senior Fullstack TypeScript Developer (Product Engineer)

🚀 About lemlist lemlist is a global B2B SaaS business with the mission to help any business grow. We are doing over $54M in ARR while being: Bootstrapped Profitable A small, agile team of 170 highly talented people, remote-friendly Majority owned by an entrepreneur, Guillaume Moubeche, Founder & Chairman — which gives us maximum freedom We operate 2 business lines: Sales Engagement with our flagship products lemlist & Claap, generating $58M ARR and growing over 50% year over year Personal Branding with Taplio & Tweet Hunter, generating $4M ARR lemlist is a highly ambitious company that aims to become a world-class giant in the Sales Tech space. Our mantra: Keep growing – and we live by it every day. Job Description We're looking for a Senior Fullstack TypeScript Developer to join our team. 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. 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 kn