Full-stack Software Engineer

Summary

Join Treatwell's Business Operations & Customer Experience (BOCX) team as a Full-stack Software Engineer to build customer/supplier support products. You will automate and optimize internal processes and customer support by integrating internal systems (e.g., Salesforce) with Javascript- and Java-based platforms. The role involves designing, building, and maintaining scalable full-stack web applications using React (TypeScript) and Node.js/TypeScript. Collaborate with cross-functional teams, ensuring high-quality code delivery and implementing an AI adoption strategy. Explore, evaluate, and integrate LLM and AI services, contributing to robust integrations with third-party services. This position requires proven full-stack engineering experience and proficiency in TypeScript and React.

Requirements

• Proven experience as a full-stack Engineer or similar role
• Proficient in TypeScript and React (including hooks and component lifecycle)
• Strong experience in back-end development with Node.js or a similar JavaScript runtime
• Solid understanding of RESTful API design, OAuth, and integrating third-party APIs
• Experience with TDD/BDD and writing test suites (e.g., using Jest, Cypress)
• Familiarity with agile methodologies and DevOps best practices
• Excellent problem-solving and communication skills
• Fluent English communication

Responsibilities

• Design, develop, and maintain scalable full-stack web applications using React (TypeScript) on the front-end and Node.js/TypeScript on the back-end
• Collaborate with various stakeholders: product managers, designers, and other engineers in an agile/ environment
• Write clean, maintainable, and well-tested code following TDD and BDD methodologies
• Integrate and maintain robust connections with third-party APIs and services
• Participate in code reviews, architectural decisions, and continuous improvement initiatives
• Ensure performance, quality, and responsiveness of applications
• You know good UX, visual and good technical design when you see it and how to ensure quality is embedded in the software development process
• Help the team to define and roll out an AI adoption strategy
• Play a crucial role in exploring, evaluating and integrating LLM and AI services/methodologies, adopting and orchestrating them in the team’s products

Preferred Qualifications

• You have worked with the Java ecosystem
• Experience with AI services (e.g., OpenAI, Hugging Face, AWS Bedrock, vector databases)
• Experience with LangChain, LLM orchestration, or building AI-powered features
• CI/CD pipeline experience (we use Gitlab CI/CD)
• Familiarity with cloud platforms like (especially AWS)

Benefits

• 28-days holiday, plus bank holidays
• Monthly 40 EUR Treatwell vouchers so you can treat yourself too
• Mental health support
• 100% remote position with flexible working