Altamira is a software development outsourcing company. We provide solutions that make a tangible impact on our client's growth and productivity. With domain knowledge across product and technology development, we aim to provide cost-efficient solutions without compromising quality. We are driven to deliver the best, every single time.Altamira service delivery teams currently span Slovakia, Ukraine, and the Middle East, and we have ambitions to expand our footprint to meet the growing demand across Europe and into our primary growth markets in the UK and the US. In terms of industry verticals, we are focused on EdTech, Fintech, eCommerce, and Pharma.We are looking for a Full-Stack Developer (Node.js + React) to join our team and work on a long-term project for an international client. This is an outstaffing engagement, meaning you will be fully integrated into the client's team and collaborate closely with their engineers, product managers, and stakeholders.ProjectYou will join an existing product with an established codebase and an active development roadmap. The project focuses on building and maintaining scalable back-end services and complex front-end applications. You will work with modern JavaScript and TypeScript technologies while also maintaining and extending parts of a legacy system. The role requires a high level of autonomy, ownership, and the ability to work effectively in a distributed team.Requirements Back-end (Node.js, with PHP/Laravel exposure)Deep, hands-on experience with Node.js in production environmentsStrong knowledge of TypeScript and modern JavaScriptExperience designing and implementing RESTful APIsUnderstanding of backend architecture patterns (layered architecture, modular design, separation of concerns)Solid understanding of asynchronous programming, the event loop, and performance considerations in Node.jsExperience working with SQL databases, including query optimization, transactions, and migrationsKnowledge of authentication and authorization mechanisms (JWT, OAuth, role-based access)Experience with error handling, logging, and monitoring in back-end servicesAbility to write maintainable and testable code (unit and integration tests)Practical experience working with PHP and Laravel in production environmentsAbility to maintain and extend existing Laravel-based servicesComfort working with and debugging legacy PHP/Laravel codebasesFront-end (React.js)Strong experience building complex applications with ReactConfident use of modern React patterns (hooks, context, controlled components)Experience with state management solutions (Redux, React Query, or similar)Ability to design and implement scalable component architecturesStrong understanding of front-end performance optimization (memoization, rendering control, code splitting)Experience working with forms, validation, and complex UI stateKnowledge of accessibility (a11y) and cross-browser compatibilityExperience integrating front-end applications with APIs and handling asynchronous data flowsAbility to maintain consistent UI/UX in large codebasesResponsibilitiesDevelop and maintain back-end services using Node.js and TypeScriptDesign, implement, and evolve RESTful APIsMaintain and extend existing PHP and Laravel servicesBuild and maintain complex front-end applications using ReactCollaborate closely with the client's team on feature development and technical decisionsEnsure code quality through testing, code reviews, and best engineering practicesWork with existing and legacy systems, improving stability and maintainabilityTake ownership of features end-to-end, from implementation to deliveryContribute to performance, reliability, and scalability improvements across the full stackPlease note: In addition to the stages listed bellow, the first step of the process will be an AI interview followed by a technical test.We respect your time and keep our process clear and human. From the first "hello" to the offer usually takes up to 2 weeks:A short recruiting call (30 min) A technical conversation with our experts (1 hour) Client interview (if needed, up to 1 hour) Reference check Offer and welcome on board Please note that the process may occasionally vary depending on the role or specific project needs.Why join altamira.aiYou get fair, competitive pay and real opportunities to grow. Fully remote - no commuting, no office constraints.We don't do micromanagement - we do trust, ownership, and support. We provide all the tech equipment you need. 20 working days of paid vacation, paid sick leave, public holidays, and regular salary reviews. A flexible schedule to keep your work-life balance sane. Space to learn, experiment, and bring your ideas to life. We do believe that the success of altamira.ai is impossible without the success of our Talents and the success of our Clients! ❤️