Senior Full-Stack Developer (Node.js & React.js)

Nomtek is a software development agency dedicated to creating mobile, web, and XR applications in a short time-to-market setup. Specializing in full-cycle product development, we put business outcomes first. Working with forward-thinking brands, we create people-centered experiences and help companies acquire new customers and showcase product capabilities. Currently, we are looking for an experienced Senior Fullstack (Node.js + React.js) Developer to help us grow our expertise in the web development space. The role leans more toward backend responsibilities than frontend ones, ideally with AWS experience. Responsibilities Develop and maintain scalable fullstack applications using Node.js (backend) and React.js/Next.js (frontend).Collaborate with product managers, designers, other developers and testers to deliver high-quality features and improvements.Build and maintain RESTful and/or GraphQL APIs.Ensure the performance, security, and responsiveness of applications.Write clean, maintainable, and well-documented code. Conduct code reviews and support other developers, ensuring best coding practices, high standards and fostering a culture of learning and growth within the team.Participate in Agile/Scrum ceremonies and contribute to continuous improvement of the development process.Stay up to date with the latest industry trends and emerging technologies, bringing fresh ideas to the table.Support pre-sales activities by collaborating with the sales team to evaluate opportunities, define technical requirements, engage with clients, propose solutions, prepare POCs, and support scoping, budgeting, and timelines. Requirements Professional experience working as a Fullstack Developer or in a similar role.Proficiency in Node.js, Express.js, and associated frameworks/libraries.Frontend development skills using React.js and Next.js, including hooks, state management (e.g., Redux, Context API), and component-based architecture.Solid understanding of TypeScript, JavaScript (ES6+), HTML5, CSS3, and responsive design principles.Experience with databases (SQL and NoSQL), such as PostgreSQL, MongoDB, DynamoDB, or similar.Familiarity with RESTful and GraphQL APIs.Knowledge of containerization (Docker), CI/CD pipelines, and cloud platforms (ideally AWS, Azure or GCP is a plus).Knowledge of testing frameworks and tools (e.g., Jest, Cypress, Mocha).Experience with version control tools like Git.Very good level of Polish (at least C1) and English (B2+) Nice to have Experience with React Native Understanding of microservices architecture.Exposure to serverless frameworks and event-driven design patterns.Interest or experience in AI-driven applications, including familiarity with LLMs (Large Language Models), Retrieval-Augmented Generation (RAG), and AI integration into web apps. Soft Skills Excellent problem-solving, communication and presentation skills.Ability to translate complex technical concepts into clear, non-technical language for clients and stakeholders.Growth mindset — passion for gaining knowledge, experimenting, and learning from your mistakes.Product-driven mindset, ability to prioritize work for maximum impact.Self-organization and a strong sense of ownership.Being an empathetic team player, open to giving and receiving feedback, and understanding that team results are something more than individual performance.Passion for technology, innovation, and staying up-to-date with industry trends. What Can We Offer Impactful work: As a Fullstack Developer, you will have the opportunity to work with potential clients, propose the best solutions, and have a significant impact on the industry as a whole. Let’s shape the future together!Opportunity to explore new ideas, technologies, and approaches to solving complex problems, allowing you to continuously learn and grow in your role.Collaborative and inclusive work environment. We are proud to have a truly flat structure.Company culture which empowers you to take initiative and make a difference within the organization.Flexible working hours and the possibility to work remotely.B2B or regular employment contract.Health & Wellbeing — Private healthcare, Multisport, access to the Mindgram platform.