• A Java Web Developer builds and maintains dynamic web applications using Java-based server-side technologies, developing features across the presentation and application layers in collaboration with designers, back-end engineers, and stakeholders. • Develop server-side web logic using Java EE, Jakarta EE, or Spring MVC, building maintainable and well-tested application components. • Build and maintain web UIs using templating engines like JSP or Thymeleaf, or integrate with modern JavaScript front-end frameworks. • Design and query relational databases using MySQL, PostgreSQL, or Oracle, ensuring efficient schema design and query performance. • Implement and consume RESTful web services, documenting endpoints clearly for front-end teams and third-party consumers. • Ensure cross-browser compatibility and responsive layouts across a range of devices and screen sizes. • Apply web security best practices including OWASP guidelines, CSRF protection, and XSS prevention throughout the application layer. • Maintain and deploy applications on servlet containers such as Tomcat or JBoss, supporting both on-premise and cloud environments.

• You will work on the technical development of Occibo, mainly on backend services, APIs, database logic, file handling, AI workflow integration, and selected full-stack features. • Build and improve backend APIs using Node.js, TypeScript, and Express.js • Work with Supabase for database, authentication, and data management • Support file storage workflows using Cloudflare R2 • Help build AI workflow orchestration for book creation, illustration, layout, and export • Work with queue-based processing using Redis and BullMQ • Support integration with AI image-generation workflows such as ComfyUI • Create clean, maintainable, and well-documented code • Debug, test, and improve existing backend services • Support selected frontend or full-stack tasks when needed • Collaborate with product, design, and content team members

• Design and implement multi-file coding tasks across bug fixing, feature development, refactoring, and testing • Write clear natural-language specifications and reference implementations • Develop and extend unit and integration test suites • Review peer-generated tasks for correctness, clarity, and realism • Identify edge cases, ambiguities, and potential failure modes • Ensure alignment between specifications, code, and expected outputs

• Lead the technical direction for some of Tines’ most critical systems. • Make valuable changes in our codebase in your first week, and see them live in production minutes after merging them. • Shape how jobs and code are executed at the very heart of our application, to help us power the world’s most important workflows. • Write and review high-quality, well-tested code to ensure that we’re creating a stable product for our customers, and a stress-free codebase for ourselves. • Identify areas for improvement, both in our codebase and in how we work, and share the responsibility of making our team better. • Own the problems you’re solving - and the software you write to solve them - all the way to production and beyond, responding to customer feedback to improve those solutions. • Use your knowledge to mentor other engineers in our team, providing support and guidance to help them grow their abilities.