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Senior Backend Developer - External Integrations

Full-time

Sumsub

Role Description

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

Qualifications

  • 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

Requirements

  • Experience implementing integrations using Feign or similar client frameworks (Nice To Have)
  • Strong background in building resilient distributed systems (Nice To Have)

Benefits

  • Remote-first, trust-based culture
  • True flexibility with working hours
  • Extra time off, including your birthday as a holiday
  • Work that matters with a real impact on online trust
  • Fair and transparent compensation, benchmarked to the market
  • Truly global team across continents and time zones
  • Growth built in with clear goals and personal development plans
  • Celebrating your big moments with financial bonuses for marriage and new babies
  • Team offsites for collaboration and recharge
  • Access to necessary tools and hardware
  • Friendly and inclusive work environment
Vacancy posted 19 days ago
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