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:

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.