Solidgate is a B2B product in the field of online payments. We build state-of-the-art fintech solutions that help businesses accept payments and ensure a smooth purchase experience for their clients from Europe to LATAM, from the USA to Asia. We are part of the history of each company we work with – and we help them enter new markets and increase their profits. We believe no company should struggle with payments. So we make them easy.Solidgate Achievementsoffices in Ukraine, Poland, Cyprus200+ clients went global thanks to Solidgate (Ukraine, US, EU)100+ alternative payment methods (APMs)200+ team membersPCI DSS Level 1 providerOur AdvantagesFintech — fast-growing industrythe opportunity to do business with large Western tech companies (USA, Europe)challenges and direct impact on business scaling, on product metrics — here, you can propose and implementa team united by a common goal, vision, and valuesopportunity for development and growth, a personal career plan for each employeeWe’re on the lookout for a motivated and decisive Java/Kotlin Engineer to join the Core Team. You’ll have a unique chance to boost our team both in terms of capacity and quality, and make a real impact on a product currently in active development.Our Tech Stack: Kotlin (K/JVM), Spring Boot, PostgreSQL, Hibernate, Elastic, RabbitMQ, AWS, Docker, GitLab.Your RoleDevelop key features like payment routing between providers, 3DS payment processing, payment synchronization solutions, BIN services, and asynchronous financial reportingParticipate in designing new payment architectureFind robust architectural solutions for processing financial transactions within our product ecosystemWork on the reliability of the entire payment systemTake ownership of critical servicesWrite unit and functional tests to ensure top-notch qualityWhat You Need5+ years of experience with Kotlin (K/JVM) or JavaKnowledge of PostgreSQL or MySQLExperience with Spring Boot and Spring FrameworkBackground in working with large systems and complex databasesExperience with microservices architectureProactive attitude and results-oriented approachUnderstanding of business processesBonus PointsExperience with RabbitMQKnowledge of Apache KafkaFamiliarity with GRPCExperience with GolangBackground in fintech or financial sectorsAt Solidgate, you’ll work on an intriguing and challenging product, contribute to building its architecture, and have a real impact on our company’s future! Join us and make a difference!Competitive Corporate Benefitsmore than 30 days off during the year (20 working days of vacation + days off for national holidays)health insurance and corporate doctorfree snacks, breakfasts, and lunches in the officefull coverage of professional training (courses, conferences, certifications)annual performance review sports compensationcompetitive salarythe ability to work remotelyApple equipment Ready to become a part of the team? Then cast aside all doubts and click "apply". We are always open to recommendations of talented individuals!If you want to recommend someone for one of our vacancies, you can do it here. In case of a successful hire, we'll provide you with a bonus!