Senior Backend Developer

Sumsub is a leading full-cycle verification platform that enables scalable compliance. From identity and business verification to ongoing monitoring, our platform adapts to your risk appetite and market demands, ensuring global compliance. Customize analytics and workflows with our no-code interface. With over 4,000 clients across fintech, crypto, transportation, trading, e-commerce, education, and iGaming—including Bitpanda, Wirex, Avis, Bybit, Vodafone, Duolingo, Kaizen Gaming, and TransferGo. Now we are looking for a Senior Backend Developer to join our rapidly growing team. This is an amazing opportunity to join Sumsub and make an immediate and real impact on the future of our product. Our Stack: Main language: Java 17Java Framework: Dropwizard / RestlerDB: MongoDB / ClickHouse / RedisOthers: Apache Kafka / Kafka Streams / Elasticsearch / OpenSearch (k-NN) / Airflow What You Will Be Doing: Development of data processing algorithms related to remote identification / authentication of individuals (both product and technical).Improvement and development from scratch of internal tools for compliance officers.Test driven development and A/B testing.Optimization and automation of CI/CD pipelines to increase reliability and deployment speed.Monitoring, troubleshooting, and performance tuning of cloud infrastructure and distributed systems. About You: Good command of the English languageFamiliarity with our development stackUnderstanding of product and a passion for building software that provides a great experienceExperience developing clean, high-quality code and automated tests to verify its operationTeam player, strong communication skills, and empathyDemonstrated strong analytical and problem-solving skills What We Offer: Fully remote and flexible working schedule, with access to a coworking space (in some locations).Working with a product that matters. Our technology helps to protect millions of users and lots of online services worldwide.International project. Our team works from offices in Berlin, Limassol, London, and Miami, our customers are spread from Mexico and the USA to Hong Kong, South Korea, and Singapore.1 extra day off to celebrate your birthday.7 additional days to enjoy the Christmas & New Year holidays.7 days of sick leave (without the need for documentation).Regular, fully covered team offsites to connect and collaborate.Learning opportunities and support to attend industry events with the team. The hiring stages: TA screening -> Hiring Manager Interview -> Assignment -> Final Interview. Sounds like a great opportunity for your career development? Then go ahead and apply! We are a global community of innovators, creators, and thinkers, and we believe that diversity fuels our innovation. Sumsub is proud to be an equal opportunity employer, committed to building a diverse and inclusive workforce. We welcome applications from people of all backgrounds, cultures, genders, experiences, abilities and perspectives. Join us in shaping the future inclusively.