• Share responsibility for the application lifecycle of selection and recruitment systems. • Design, code and deploy new features in Laravel with a focus on robustness and maintainability. • Ensure the stability of existing systems, including continuous optimization, rapid bug fixes and the application of security patches. • Implement and maintain high standards using coding best practices (Clean Code, SOLID, separation of concerns) and security practices. • Design and maintain internal and external APIs, ensuring proper documentation and security. • Emphasize practical monitoring to identify bottlenecks and failures before they cause critical disruptions.

• Develop web applications using Angular (version 14 or higher) and TypeScript (v5.8). • Implement components with PrimeNG, aligning with the Government Design System. • Create and maintain highly available RESTful APIs using ASP.NET Core. • Apply design patterns and principles such as SOLID, Clean Architecture, and DDD in software projects. • Work with messaging using Apache Kafka, including producing and consuming messages. • Perform database modeling and query optimization in PostgreSQL and SQL Server. • Use database migration tools such as FluentMigrator or EF Migrations. • Collaborate with the team on code reviews and continuous improvements.

About us 👇🏼 lemlist is the sales engagement platform that gives sales teams the unfair advantage they deserve. Bootstrapped since day one, we’ve grown from 0 to $50M ARR in 8 years, without raising a single dollar. Today, we’re a profitable B2B SaaS company valued at $150M, trusted by 40,000+ sales teams worldwide to book more meetings and close more deals. 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. 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 - 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 TypeScript / Javascript with at least 5 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, 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 55K€ and 70K€ fixed salary + 18K€ bonus - Where you live, and work is totally up to you – we just want you to be in a timezone close to ours (France +/- 3 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 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 ;) Recruitment process - Interview with Lucas our TAM - Technical interview with Corentin, our VP of Engineering - Technical Interview with Mickael, our CTO - Interview with Charles, our CEO

• AI-First Delivery : AI coding tools and agentic workflows are a core part of your development process. • Software Development : Design, build, test, and deploy backend services and APIs using C#/.NET. • Innovation in AI-Assisted Development : Drive innovation in how the team builds software. • Database Engineering : Design and evolve database schemas, write and optimize complex SQL, and contribute to migration strategies. • Architecture & Design : Contribute to architectural decisions including API design, component design, database schema evolution, and system scalability. • End-to-End Ownership : Own features from conception through QA through production. • Quality & Engineering Practices : Take full ownership of quality.