June 27, 2026
Frontend Developer with React
Junior • Hybrid
7,000 - 13,000 PLN
Katowice, Poland
Responsibilities
Participate in frontend codebase handover and knowledge transfer sessions.
Review and document UI components, routing logic, and application structure.
Support API integration validation and frontend-backend alignment.
Contribute to UI/UX consistency and implementation standards.
Support parallel-run testing and user acceptance testing (UAT) during transition.
Ensure continuity of frontend architecture and design standards after transition.
Collaborate closely with backend engineers and product stakeholders.
Implement frontend enhancements and bug fixes as needed.
Maintain code quality through testing and best practices.
Openness to visit office once a month.
Benefits
Motivizer Benefits Platform to choose and manage all your benefits in one place. You receive a budget (550 PLN monthly). You can choose medical care package, meal tickets, sports cards (we have Multisport and on preferential terms, we have membership cards to one of the most popular Gyms), cinema tickets, shop vouchers, discounts and many more.
Language Courses – you'll have access to a multi-language learning platform enabling you to practice you language skills and learn new ones!
Regular and systematic further training opportunities - both internally and from external providers. We support your ongoing learning and development.
Cooperation within an internal community is our everyday reality. We have networking events, coding challenges, and company parties for different occasions.
Qualifications
Degree in Computer Science, Information Systems, Data Analytics, or related field.
1,5 + years of experience in frontend development roles.
Strong hands-on experience with React and TypeScript in production projects.
Experience integrating REST APIs in web applications.
Understanding of authentication mechanisms, preferably AWS Cognito or OAuth-based systems.
Good understanding of responsive design and modern UI development practices.
Experience working in agile teams and collaborative environments.
Ability to quickly understand and work with existing.
Strong communication skills.
Very good knowledge of English and Polish.
About Machine Learning Reply
Machine Learning Reply offers customized end-to-end Data Science solutions, covering the entire project life cycle – from initial strategy consulting, data architecture and infrastructure topics, to processing data with quality assurance using Machine Learning algorithms. Machine Learning Reply has extensive expertise in the field of Data Science in all key industries of German HDAX companies.
Machine Learning Reply empowers clients to successfully introduce new data-driven business models and to optimize existing processes and products – with a focus on distributed open source and cloud technologies. With the Machine Learning Incubator, the company offers a program to train the next generation of decision-makers, data scientists and engineers.
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Katowice, Poland
10,000 - 17,000 PLN
🏢 Summary: The offer is for a Software Test Engineer responsible for manual and automated testing, developing test automation strategies, and ensuring software quality standards. The role involves creating and reviewing test documentation, analyzing defects, and collaborating closely with development teams in an agile environment. It requires regular hybrid work from the Katowice office. 🗂️ Requirements: Completed degree in Computer Science or related field, 2-3 years (Senior 4-5 years) experience in software testing or test automation, Experience with manual and automated testing, Knowledge of test methods and testing tools, Experience with agile development processes, Experience with test management and ticketing systems, Very good knowledge of Playwright, Knowledge of Selenium, JMeter and REST API testing, Strong analytical skills, Fluent Polish and English 📃 Skills: Playwright, Selenium, JMeter, REST, Jira, Agile, Testing, Automation, API 🏢 Description: Responsibilities Carrying out manual and automated tests. Working on automated test systems and automated test strategies. Documenting test results and creating test reports. Analyzing requirements, creating and reviewing test cases and test plans. Monitoring compliance with quality standards in software development and metrics regarding software quality. Analyzing and documenting errors. Close cooperation with colleagues in testing and development. Benefits Motivizer Benefits Platform to choose and manage all your benefits in one place. You receive a budget (550 PLN monthly). You can choose medical care package, meal tickets, sports cards (we have Multisport and on preferential terms, we have membership cards to one of the most popular Gyms), cinema tickets, shop vouchers, discounts and many more. Language Courses – you'll have access to a multi-language learning platform enabling you to practice your language skills and learn new ones! Regular and systematic further training opportunities - both internally and from external providers. We support your ongoing learning and development. Cooperation within an internal community is our everyday reality. We have networking events, coding challenges, and company parties for different occasions. Qualifications Completed studies in computer science , business informatics or a comparable qualification. Professional experience in the field of software testing and quality assurance. Knowledge of test methods and test tools as well as agile software development processes. Good technical understanding and strong analytical skills. Experience with test management systems and a ticket management system (preferably Jira). Confident communication in Polish and English (knowledge of German is an advantage). (Very) Good knowledge of Playwright. Knowledge of tools and technologies like Selenium, JMeter, Rest API testing etc. Possession of programming language skills is a plus. Minimum of 2-3 (Senior: 4-5) years experience in test and/or test automation. Openness to a hybrid way of working . We meet in the Katowice office weekly. About Riverland Reply Riverland Reply is specialized in consulting end-to-end customer-oriented solutions and strategies. In addition, Riverland Reply supports its customers in strategic IT decisions, implementation of defined solutions and production execution. The company combines in-depth knowledge of digital Customer Experience with the full potential of cloud native technologies. This expertise allows Riverland Reply to remove the barriers between a product-based technology and a full custom implementation. Knowing that Customer Experience in the digital era must be highly flexible to be adapted to different industries, Riverland Reply advises clients in automotive, transportation, logistics and finance industry. The strong partnership and close collaboration with Oracle made Riverland Reply the experts of Oracle’s Customer Experience products.