At SmartBear , we deliver the complete visibility developers need to make each release better than the last. Our award winning and industry favorite toolsTestComplete, Swagger, Cucumber, ReadyAPI, Zephyrare trusted by over 16 million developers, testers, and software engineers at 32,000+ organizations – including world-renowned innovators like Adobe, JetBlue, FedEx, and Microsoft.  Backend Engineer – Explorer Development of completely new product in an international team. Gaining exposure to cutting-edge development technology. Tech stack: Java 17, CI/CD Pipeline, Kubernetes/Docker, Kafka, gRPC Product intro: API Exploration is the newest tool which will form a part of a larger API Platform strategy. API Exploration allows users to interact with REST APIs and Kafka services (gRPC, GraphQL and others in the future). With our application, user can: explore APIs / web services and work with endpoints; quickly review the return values from API calls; experiment with different parameters; save Endpoints into an API bucket for easy access; see the raw byte stream returned by a call; publish and subscribe with Kafka. Go to our product page to learn more about  API Exploration .   About the role:  As a Senior Back End Engineer you will work on a completely new unannounced product in an international team, the first of its kind, to be used by developers around the world exploring REST, Kafka, gRPC, GraphQL and more. As a part of a collaborative team, you will develop a set of Java micro services for the underlying SPA application, write testable clean code and work with modern agile development methodologies like BDD. Implementing new functionality in close cooperation with stakeholders. Build well designed, clean applications with solid technical foundations. Participate in design and code reviews, develop, debug, or modify source code and unit tests. Create and maintain technical and support documentation. Work within a collaborative team of developers, testers, UX designers, and more, geographically spread across our different locations Engage in peer design and code reviews We are looking for you if you have: 6+ years of experience in software engineering in Java – we use Java 17. Understanding of object-oriented programming, and writing maintainable code with SOLID principles. Knowledge of Spring Boot, WebSockets (with STOMP), Kubernetes (Helm), Docker. Deep insight into relational databases like PostgreSQL. Software engineering knowledge (problem solving, algorithms) and modern software engineering practices (writing tests, clean code etc) English on at least B2 level.  SmartBear offers:   Bonus 5% of annual salary Copyrights deductible costs (creative tax) 300 PLN of annual budget for fitness reimbursement Employee referral program – 10 000 PLN gross for recommendation Birthday Benefit – Employees will be given the day off on their birthday and can expense lunch Summer Fridays – Every Friday in July and August, offices will begin closing at 3 PM, and work hours will end Possibility of remote work, flexible working hours Breakfasts on Wednesdays, Lunches on Fridays, and many other snacks in the office during the whole week Buddy program Integration events Access to Pluralsight and Learning Private Medical Care (LuxMed) and Multisport For B2B contract: 27 days of paid annual leave and Private Medical Care (LuxMed) … and we are working on more ideas Why you should join the SmartBear crew:   You can grow your career at every level.  We invest in your success as well as the spaces where our teams come together to work, collaborate, and have fun. We love celebrating our SmartBears; we even encourage our crew to take their birthdays off. We are guided by a People and Culture organization - an important distinction for us. We think about our team holistically – the whole person.  We celebrate our differences in experiences, viewpoints, and identities because we know it leads to better outcomes.  Did you know? Our main goal at SmartBear is to make our technology-driven world a better place.  SmartBear is committed to ethical corporate practices and social responsibility, promoting good in all the communities we serve.  SmartBear is headquartered in Somerville, MA with offices across the world including Galway Ireland, Bath, UK, Wroclaw, Poland and Bangalore, India.  We’ve won major industry (product and company) awards including B2B Innovators Award, Content Marketing Association, IntellyX Digital Innovator and BuiltIn Best Places to Work.    SmartBear is an equal employment opportunity employer and encourages success based on our individual merits and abilities without regard to race, color, religion, gender, national origin, ancestry, mental or physical disability, marital status, military or veteran status, citizenship status, age, sexual orientation, gender identity or expression, genetic information, medical condition, sex, sex stereotyping, pregnancy (which includes pregnancy, childbirth, and medical conditions related to pregnancy, childbirth, or breastfeeding), or any other legally protected status.