Fullstack Engineer (TypeScript, Node.js, React.js, React Native), Senior
Confirmed on the employer's own hiring board on Oct 12, 2026. First seen by Alion on Oct 12, 2026.
About the Webellian
Webellian is a well-established Digital Transformation and IT consulting company committed to creating a positive impact for our clients. We strive to make a meaningful difference in diverse sectors such as insurance, banking, healthcare, retail, and manufacturing. Our passion for cutting-edge and disruptive technologies, as well as our shared values and strong principles, are what motivate us. We are a community of engineers and senior advisors who work with our clients across industries, playing a deep and meaningful role in accelerating and realizing their vision and strategy.About the opportunity
We are seeking an experienced Senior Full Stack Engineer (Node.js & React, React Native) to join our team and work on exciting projects for our key customers. In this role, you will have the opportunity to interface with our clients and drive the development of their solutions. For instance, you will join the team working on a back-office solution for a global insurance industry leader using Strapi and React.
As a software engineer, you will be responsible for delivering high-quality projects by defining technical requirements based on business needs and deploying clean code. You won't need to reinvent the wheel as we value the power of reusing open-source frameworks and solutions.
To be successful in this position, you must have at least 5 years of experience in Fullstack development, a deep understanding of Node.js, React and related frameworks, and experience in working collaboratively in a team environment.
Join our team, work with us on challenging projects!
Key responsibilities
- Analyzing business requirements
- Writing clean, functional code, including unit tests
- Writing technical documentation
- Propose technical improvements to the application
- Grow and nurture your junior colleagues' skills
- Supporting less experienced team members
- Master’s degree in Software Engineering or related engineering field
- Frontend Technologies: React, React Native, Next.js, Redux, Typescript, Bootstrap, Material UI
- Backend Technologies: Node.js, Nest.js, Fastify, Express
- Other Technologies: AWS, Bitbucket/GIT, Jenkins, PostgreSQL, Docker
- Familiarity with REST API and GraphQL
- Familiarity with SQL, NoSQL databases
- Deep understanding of software architecture and development principles
- Fluency in English is a must (min B2, C1 preferred)
- Excellent verbal communication skills are a must
- Can-do attitude
- Great attention to detail
- Independence and drive to grow and learn
- Contract under Polish law: B2B or Umowa o Pracę
- Benefits such as private medical care, group insurance, Multisport card
- There are English classes available
- Hybrid work (at least 3 days/week on-site) in Warsaw (Mokotów)
- Opportunity to work with excellent professionals
- High standards of work and focus on the quality of code
- New technologies in use
- Continuously learning and growth
- International team
- Pinball, PlayStation & much more (on-site )
We love to pass on the knowledge to grow excellence, speak our minds without playing politics, and just enjoy hanging around together. If you share our passions - we want to meet you! So go ahead and apply
Please include the following statement: I hereby authorize Webellian Poland Sp. z o.o. to the process personal data provided in this document for realising the recruitment process pursuant to the Personal Data Protection Act of 10 May 2018 (Journal of Laws 2018, item 1000) and in agreement with Regulation (EU) 2016/679 of the European Parliament and of the Council of 27 April 2016 on the protection of natural persons with regard to the processing of personal data and on the free movement of such data, and repealing Directive 95/46/EC (General Data Protection Regulation).