Senior Backend Developer
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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.
