Full Stack Developer (Java / JavaScript), Regular
Confirmed on the employer's own hiring board on Oct 19, 2026. First seen by Alion on Aug 23, 2026.
Webellian is a well-established Digital transformation and IT consulting company committed to creating a positive impact for our clients. We are driven by shared values, strong principles, and a passion for innovative and disruptive technologies. 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 position
We are looking for a Full Stack Developer (Java / JavaScript) with solid commercial experience to join an international team working for one of our customers. As a Full Stack Developer, your role will be to contribute to end-to-end product development, turning agreed requirements into tested, maintainable functionality across the front end and back end.
You will collaborate with senior engineers and stakeholders to refine requirements and deliver iteratively, working within an established technical direction and a collaborative delivery team.
Requirements
- Technologies: Java, JavaScript
- Solid commercial experience in full-stack development, including web applications, APIs, data persistence, testing, and version-control workflows
- Experience with Agile/Scrum methodologies is a must
- Fluency in English is a must
- Familiarity with Jira
- Great attention to detail
- Excellent verbal communication skills are a must
- Proactive, dependable, and comfortable working in a collaborative team
- Independence and drive to grow and learn
Responsibilities
- Implement application features and integrations under established technical direction
- Write clear, maintainable code supported by automated tests and peer review
- Investigate defects and contribute to performance, reliability, and security improvements
- Collaborate with senior engineers and stakeholders to refine requirements and deliver iteratively
- Application testing and maintenance
- Application deployment
What we offer
- 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 (1 days for a few weeks on-site) in Warsaw
- 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 )
Join a growing team of dedicated professionals!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).