Full Stack Developer (Java / JavaScript), Regular

Webellian; Warszawa; Hybrid; PLN 180,000 - 240,000; Full time

Benefits offered by this job

Private medical care

Group insurance

Multisport card

English classes

Hybrid work in Warsaw

On-site amenities

Job summary

Webellian is seeking a Full Stack Developer (Java/JavaScript) to join an international team delivering end-to-end product development for a client. You will translate requirements into tested, maintainable frontend and backend functionality and collaborate with senior engineers to refine scope and deliver iteratively.

The role requires solid commercial experience in full-stack development, Java and JavaScript expertise, Agile/Scrum proficiency, and fluency in English.

Qualifications

• Solid commercial experience in full-stack development for web apps and APIs.
• Experience with Agile/Scrum methodologies is a must.
• Fluency in English is required.
• Strong collaboration and communication skills.

Responsibilities

• Implement features and integrations per technical direction.
• Write maintainable code with automated tests and peer reviews.
• Investigate defects and improve performance, reliability, and security.
• Collaborate with senior engineers to refine requirements and deliver iteratively.
• Conduct application testing and deployment activities.

Skills

Java

JavaScript

Agile/Scrum

English fluency

Jira

Tools

Jira

Job description

Description

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!

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).