Job Title: Senior Backend Developer Company Name: Sumsub Job Url: https://careers.sumsub.com/jobs/6903974-senior-backend-developer?utm_source=LinkedIn Job Description: Skip to main content Career menu TECHNICAL · TBILISI OFFICE, LIMASSOL OFFICE 2 · FULLY REMOTE Senior Backend Developer Apply for this job Sumsub is a leading full-cycle verification platform that enables scalable compliance. From identity and business verification to ongoing monitoring, our platform adapts to different risk appetites and market demands, ensuring global compliance. It allows customizing analytics and workflows with a no-code interface. Over 4,000 clients — including Bitpanda, Wirex, Avis, Bybit, Vodafone, Duolingo, Kaizen Gaming, and TransferGo — trust Sumsub to accelerate growth, prevent fraud, and maintain compliance worldwide. We are looking for a Senior Backend Engineer to join our External Integrations Team. You will play a key role in developing and maintaining the infrastructure behind 100+ integrations with external data providers, ensuring that our platform grows fast, reliably, and at scale in the rapidly expanding world of document digitalization.  Our Stack: Main language: Java 17 Java Framework: Dropwizard / Restler DB: MongoDB / ClickHouse / Redis Others: Apache Kafka / Kafka Streams / ElasticSearch / OpenSearch (k-NN) / Airflow What You Will Be Doing: Design, build, and optimize backend components powering our external provider integrations Ensure high stability, performance, and observability across a large integrations ecosystem 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 Nice To Have:  Experience implementing integrations using Feign or similar HTTP client frameworks Strong background in building resilient distributed systems About You: Good command of the English language Familiarity with our development stack Understanding of product and a passion for building software that provides a great experience Experience developing clean, high-quality code and automated tests to verify its operation Team player, strong communication skills, and empathy Demonstrated strong analytical and problem-solving skills What We Offer: Remote-first, trust-based culture. Work from the place that works best for you. No mandatory office days, no attendance trackers. In some locations, we provide offices or coworking spaces, but the choice is yours. True flexibility. We do not fix you to a 9-to-5 schedule. You can adjust your working hours when needed, as long as your day stays productive and in sync with the team. Extra time off. Your birthday is a holiday here. Add to that 10 personal days each year, seven sick days without paperwork, and extra time to enjoy Christmas and New Year. Time to rest is part of the deal. Work that matters. Our mission is to build a digital world that is secure, accessible and inclusive for everyone. From fighting fraud to making online services easier and safer to use, your work will have a real impact on how people experience trust online. Compensation. We offer fair and transparent pay, benchmarked to the market. Truly global. We work across continents and time zones, with teammates and customers from all over the world. You will run campaigns that cross borders, cultures, and languages, and see your ideas land worldwide. Growth built in. Clear goals, open feedback and personal development plans. We support your progress with learning opportunities and by covering role-specific events, from design conferences to marketing forums. Team offsites. Sometimes just Slack is not enough. That is why we meet in person a few times a year. Trips are fully covered, so you can meet, collaborate, and recharge together. Getting you set up. We make sure you have access to the tools and hardware you need to do your work well. Friendly by design. Our logo is a dog for a reason. We keep things human, open and kind. We welcome individuality, quirks and different perspectives, because that is what makes our work smarter and more fun. The hiring stages: TA screening -> Hiring Manager Interview -> 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. Department Technical Role Backend Developer Locations Tbilisi office, Limassol Office 2 Remote status Fully Remote Let's shape a friendly 
digital future Join the vibrant team of Sumsubers set on making the digital world friendly and inclusive for everyone! Apply for this job TECHNICAL · TBILISI OFFICE, LIMASSOL OFFICE 2 · FULLY REMOTE Senior Backend Developer Rate your proficiency with Java 17 from 1 (least proficient) to 10 (most proficient)*Required - Rate your experience with MongoDB, ClickHouse, or Redis from 1 (least experienced) to 10 (most experienced).*Required - What is your English language proficiency?*Required Mark your English language proficiency from Beginner (0) to Proficient (10). - Where are you based (country and city)?*Required Are you ready to work under a Service Agreement (B2B Agreement)?*Required This role is offered on a contractor basis (B2B), meaning you would work under a service agreement and be responsible for handling your own taxes and social contributions. What other languages do you speak besides English? What is your notice period, or when are you ready to start with us?*Required Please share your compensation expectations in EUR, gross (before taxes)*Required You can share a range if it is more convenient Locations*Required Personal information Apply with LinkedIn First name*Required Last name*Required Email*Required Phone*Required Upload CV*Required Drop your file or upload Additional files Drop your file or upload Required.I acknowledge that Sumsub will process my personal data submitted in this application to assess my suitability for the position applied for. This processing is necessary for the recruitment process and will be handled according to the Privacy Policy.* I agree that Sumsub can store my personal data for two years for the purpose of contacting me about future job opportunities. I understand this is optional and that I can submit a removal request in my personal profile. Career site Data & privacy Manage cookies sumsub.com/ Employee login · SSO Candidate Connect login Applicant tracking system by Teamtailor