Senior Node.js Developer

Senior Node.js Developer Miejsce pracy: Poznań Technologies we use Expected JavaScript Node.js MongoDB Rabbit MQ React.js NestJS Express.js Koa Fastify Socket.io TypeScript Postgres MySQL MariaDB AWS Optional Python Vue Angular React Native About the project At STX Next, our JavaScript Strategic Department is growing rapidly, driven by a community of Node.js enthusiasts. We work remotely and regularly connect through meetups, tech talks, and other industry events. We actively participate as speakers, organizers, and participants, always striving to expand our knowledge and share it with others. Our technical approach is holistic, focusing on increasing both the seniority and specialization of our developers across technologies like Node.js, React, Angular, Vue, and more. We constantly monitor emerging frameworks and libraries and leverage AI and other tools to improve our efficiency, work comfort, and deliver exceptional results. Your responsibilities Designing, developing, and maintaining server-side applications. Writing clean, maintainable, and scalable code. Troubleshooting and debugging Node.js applications. Ensuring security and data protection within your code. Identifying and fixing bottlenecks and bugs. Collaborating with team members to continuously improve processes and product quality. Staying up-to-date with the latest Node.js and JavaScript trends. Sharing knowledge and best practices with the broader development team. Writing integration and unit tests to ensure your code is high quality. Conducting code reviews for your teammates to maintain best practices. Our requirements Excellent knowledge of the latest JavaScript standards. Strong understanding of the Node.js ecosystem and fundamentals (event loop, async I/O model). Very good knowledge of MongoDB, Rabbit MQ Demonstrated experience with React Experience with production-ready frameworks (e.g., NestJS, Express.js, Koa, Fastify, Socket.io). Familiarity with TypeScript. Experience writing integration and unit tests (e.g., Jest). Familiarity with relational databases (Postgres, MySQL, MariaDB, etc.). Experience using and consuming RESTful APIs with a solid understanding of HTTP. Experience with code versioning platforms (e.g., GitHub, GitLab, BitBucket). Experience in designing and implementing scalable, maintainable, and efficient software architectures, preferably with AWS. Good communication skills in English (B2 minimum, C1 preferred). A team player with a collaborative mindset Optional Experience with Python. Experience with other front-end frameworks (Vue, Angular) and React Native. This is how we organize our work This is how we work at the client's site agile scrum kanban Development opportunities we offer assistance in preparation to public speeches conferences in Poland intracompany training soft skills training substantive support from technological leaders support of IT events technical knowledge exchange within the company What we offer Work-life balance: We are open to discussing individual needs. Set up working hours and limited remote work scheduled with your team and manager, in a way that works for both sides Reimbursed private medical care (Medicover) and Multisport: We care about the health and well-being of our colleagues. Choose a sports card and dedicated medical care for yourself and your relatives Leader’s support: Work with true enthusiasts and professionals who will support you along the way. You can count on leaders and experts who are willing to share their knowledge so that you too can join their ranks someday Technology focus: Python and JavaScript are not our only strengths, we are also very good at React Native, IoT, Machine Learning, .Net, DevOps and Blockchain Growth review: Junior, Regular or Senior? Every year we have a chance to discuss acquired skills and prepare a development plan for upcoming months Events: Attend exciting internal webinars, celebrate special days with us, and join us at conferences and meetups as a listener or speaker Workation: Team trips where you have a chance as a team not only to work together, but also integrate f2f Benefits sharing the costs of sports activities private medical care life insurance remote work opportunities flexible working time corporate products and services at discounted prices integration events no dress code video games at work coffee / tea drinks parking space for employees leisure zone STX Next S.A. Hi there We are STX Next, a global IT consulting company specializing in customer-focused software services. Join a group of 500 professionals dedicated to helping customers build outstanding products. Leveraging the latest advancements in the field, and a passion for innovation, we're shaping the future of technology one project at a time. Are you the NEXT one? “The Controller of your personal data is STX Next spółka akcyjna with its registered office in Poznań (61-854), ul. Mostowa 38, KRS [company registration number]: 0000967074. Personal data will be processed in order to carry out recruitment process, and if you have given your consent, for the purposes of future recruitment processes. You have the right to access the data, rectify the data, erase the data, restrict the processing of the data, data portability and to withdraw your consent at any time without affecting the lawfulness of processing carried out on the basis of consent before its withdrawal. For more information on the processing of your personal data, please see our Privacy policy https://career.stxnext.com/polityka-prywatnosci. If your job application for the needs of current recruitment process at STX Next S.A. includes personal data that is not required by law or by the Controller, clicking the Send button to submit the application constitutes your consent to the processing of this data in order to conduct the recruitment process by STX Next S.A.I agree to receive marketing content from STX Next S.A. via electronic means to the email address provided by me.I agree to the processing of my personal data included in my job application for the needs of future recruitment processes at STX Next S.A.”

Location: Poznań, PL

Posted Date: 4/17/2025