Scala Developer (SP)

Employment: Full-time Experience level: Mid-Senior Level Job Description We are looking for an experienced Scala Engineer to join our client's team responsible for User and Access Services — including login, profile, and subscription systems. You will play a key role in improving the scalability, resilience, and overall performance of our platforms. Your main focus will be on addressing technical debt and modernizing our technology stack, including migrating from RabbitMQ to Kafka. The current environment primarily uses Scala 2, but we aim to migrate to Scala 3, so any experience with Scala 3 will be considered a strong advantage. Qualifications 4+ years of experience as a Scala Developer. Strong background in Functional Programming principles. Hands-on experience with Cats , Cats-tagless , and Typelevel Scala libraries. Practical experience building APIs using http4s . Solid understanding of Kafka and working with Kafka topics. Experience developing and integrating GraphQL services. Proven experience working with AWS services . Familiarity with ElasticCache , Redis , DynamoDB , and PostgreSQL . Hands-on experience with AWS testing and deployment workflows. Good understanding of S3 , Glacier , and other AWS storage solutions. Additional Information Work model:  Remote Type of contract:  B2B Rate:  up to 180 PLN/H net + VAT We offer Access to local and international projects - Clients from France, Germany, Portugal, UK, and Benelux. Professional development support - trainings, technical certificates, conference participation, foreign language classes, and soft skills trainings are subsidized for up to 2 000 PLN. Bonus for recommending Candidates starting from 6 000 up to 10000 PLN. Fully paid Medicover healthcare card. Psychological support program WellBee. Multisport card. Regular integration events and gifts. Long-term cooperation. Relocation Program. If You applied for this position the Controller of your personal will be  ACT DIGITAL POLSKA Sp. z o.o., with its registered office at Przyokopowa 31, 01-208 Warsaw . The personal data provided by you will be processed for the purpose of the recruitment process and for future recruitment processes. You will have the right too choose one or both options on next page. You have the right to access the content of your data, request their rectification, erasure, restriction of processing, the right to data portability, the right to object to the processing of your data and the right to lodge a complaint to the President of the Personal Data Protection Office. Company Description Our mission as a company providing IT services is to provide our clients all over the world with the best solutions. We manage to do this by analyzing the needs of our clients and matching them to the skills and aspirations of our employees. Therefore, one of our main motivations is to provide each Employee and Consultant with a satisfying experience. Joining us means being part of a community with diverse personalities. Start your adventure with act digital!