We’re looking for talented, friendly, and adaptable Full-stack Software Engineers to help fast-track the integration of AI within our products, both for internal and external use. In this role, you’ll join Treatwell’s new AI Engineering team, where you’ll design and build AI-powered, full-stack solutions—covering internal automation and customer-facing features. Your core mission will be to integrate intelligence into our ecosystem (linking platforms like Salesforce, Hubspot, Confluence, and our own products) to streamline workflows and enhance the customer experience. We seek a software engineer comfortable working in a cross-functional Agile team, with proven experience in designing and building frontend and backend applications, delivering clean, maintainable, and well-tested code. We aim to do great work and be recognized for it. As a full-stack engineer, you will help ensure the team consistently delivers high-quality code, collaborating with team members to build robust integrations with third-party services. You will also contribute to defining and implementing an AI adoption strategy, exploring, evaluating, and integrating LLM and AI services/methodologies into our products. We don’t just ship features; we’re building a Europe-wide platform and team, and we need to do great work to succeed. We’re looking for passionate people who love challenges, learning, and growth. You'll be responsible for : Designing, developing, and maintaining scalable full-stack web applications using React (TypeScript) on the front-end and Node.js / TypeScript on the back-end. Although we primarily use TypeScript and React, we value adaptability as the back-end ecosystem is flexible and not tightly coupled to specific languages. Collaborating with product managers, designers, and other engineers in an agile environment. Writing clean, maintainable, and well-tested code following TDD and BDD methodologies. Integrating and maintaining connections with third-party APIs and services. Participating in code reviews, architectural decisions, and continuous improvement initiatives. Ensuring performance, quality, and responsiveness of applications. Applying good UX principles and technical design to ensure quality throughout the development process. About you : Proven experience as a full-stack Engineer or similar role. Proficient in TypeScript and React (including hooks and component lifecycle). Solid understanding of RESTful API design, OAuth, and third-party API integrations. Experience with TDD / BDD and writing test suites (e.g., Jest, Cypress). Familiarity with agile methodologies and DevOps best practices. Excellent problem-solving and communication skills. Nice to have : Experience with the Java ecosystem. Experience with AI services (e.g., OpenAI, Hugging Face, AWS Bedrock, vector databases). Experience with LangChain, LLM orchestration, or AI-powered features. CI / CD pipeline experience (we use Gitlab CI / CD). Familiarity with cloud platforms, especially AWS. About Treatwell Hi, we’re Treatwell. Nice to meet you. We’re a team of 700 passionate and talented people across Europe. We’re the industry’s leading salon management software, connected to Europe’s top bookings platform, working with over 50,000 salon partners across 13 countries, processing over 8 million bookings monthly. And... we’re just getting started. We’re on an exciting journey to digitally revolutionize the hair and beauty community. If this excites you, we might have the role for you. We’ll treat you with : Monthly 40 EUR Treatwell vouchers for personal treats Mental health support 100% remote position with flexible working hours Equal Opportunties Treatwell is an ‘Open to All’ employer and welcomes everyone. We’re committed to making reasonable adjustments during the recruitment process. Please mention any adjustment needs in your application. J-18808-Ljbffr Senior Software Engineer Location: Belluno, Italy J-18808-Ljbffr