Senior Fullstack (Node.js + React.js) Developer

Nomtek is a software development agency dedicated to creating mobile, 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.

Responsibilities

• Develop and maintain scalable fullstack applications using Node.js (backend) and React.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, 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, or similar.

• Familiarity with RESTful and GraphQL APIs.

• 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

• Knowledge of containerization (Docker), CI/CD pipelines, and cloud platforms (e.g., AWS, Azure, or GCP).

• Experience with React Native.

• Familiarity with no-code/low-code platforms (e.g. Bubble.io / Framer / FlutterFlow).

• 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 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.