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September 6, 2026
Full Stack Developer (Java and JS/Angular)
Senior • On-site
17,000 - 21,000 PLN/yr
Krakow, Poland
Apply now
You will join a high-performing team of software engineers, working primarily on the backend with the opportunity to contribute across the full stack. You will take responsibility for implementing new application features and improving the architecture, performance, scalability, and resilience of the existing product.
Responsibilities
- Design and implement clean, modular, scalable, and testable code for the Java backend.
- Conduct performance analysis and profiling for backend systems and databases, ensuring scalability and high performance.
- Apply advanced testing and debugging methods to resolve complex software issues.
- Collaborate with local and distributed teams in an Agile environment to continuously enhance product functionality.
Required skills and qualifications
- 5+ years of hands-on backend software development experience with in-depth knowledge of core Java/JDK.
- Experience developing REST APIs using JAX-RS, Spring, or similar technologies.
- Solid understanding of software architecture, design patterns, and core software engineering principles.
- Experience designing and implementing high-performance, multithreaded, state-driven systems.
- Proficiency in creating meaningful automated tests using JUnit and applying advanced testing and debugging techniques.
- In-depth knowledge of relational databases using Postgres and ORM technologies such as Hibernate/JPA.
- Strong communication skills and the ability to effectively interface with stakeholders.
- Excellent problem-solving skills and a strong capacity for independent work.
- Ability to work independently and collaboratively as part of a team in an Agile environment.
- Communicative English.
- Bachelor’s or Master’s degree in Computer Science, Engineering, or a related subject.
Preferred skills and qualifications
- 2+ years of experience with Angular or similar modern frontend frameworks.
- Experience with E2E testing frameworks such as Playwright or Cypress.
- Mentorship, coaching, or leadership experience, or demonstrable aptitude.
Benefits
- Coaching and development support.
- Contract of Employment (UoP).
- Private medical coverage and Multisport.
- Life insurance equal to two annual incomes.
- Employee Stock Purchase Plan with a 15% discount for buying stock units.
- Employee Pension Plan: 3.5% of monthly gross salary contributed to a retirement account.
- IP Tax Relief of up to 80%.
- Yearly salary increase based on individual performance.
- Yearly bonus based on company performance.
- Flexible working hours, usually starting between 7:00 and 10:00.
- Eight-hour workday, including a 30-minute lunch break.
- Hybrid work mode.
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