S

Sumsub Tech Stack

Full-cycle identity and compliance verification platform

IT Services and IT Consulting Limassol 501–1,000 employees Founded 2015 Privately Held

Sumsub is a compliance and identity verification platform serving financial services, crypto, and fintech companies. The tech stack—Apache Kafka, ClickHouse, Elasticsearch, Python, and dbt—supports high-volume transaction processing and real-time fraud detection. Active hiring across sales (25 roles), support (20), and engineering (18) reflects a sales-led scaling phase, while pain points around database cost optimization and contract scaling suggest operational maturity coupled with infrastructure cost pressures.

Tech Stack 93 technologies

Core StackApache Airflow ClickHouse Python dbt JavaScript Java MongoDB Redis Apache Kafka Elasticsearch Salesforce HubSpot Confluence Jira Kotlin Swift GitLab CI/CD NetSuite Apache Superset Dropwizard Kafka Streams OpenSearch Notion Feign Android iOS Espresso XCUITest Appium Detox+60 more

AdoptingSalesforce

ReplacingPipedrive Planhat

What Sumsub Is Building

◆Challenges

Prevent fraud
Maintain compliance worldwide
Global compliance
Building sales pipeline
Scaling contracts team
Reducing database product costs
Regulatory challenges
Attract key clients
Adoption of reusable kyc product
Client integration challenges

▲Active Projects

Go-to-market strategy in apac
Go-to-market strategy for new verticals
New product launches
Thought-leadership agenda
Delivering gdpr training
Integrated b2b marketing campaigns across north asia
Partner channel strategies
Product demonstrations for enterprise accounts
Go-to-market strategy for reusable identity
Remote identification / authentication algorithms

Hiring Activity

Steady100 roles · 40 in 30d

Department

Sales

25

Support

20

Engineering

18

Marketing

11

Legal

10

Data

4

Security

3

Design

2

Seniority

Senior

46

Mid

19

Manager

13

Junior

12

Lead

8

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About Sumsub

Sumsub provides full-cycle verification services including KYC, KYB, transaction monitoring, and ongoing compliance surveillance. The platform serves global mid-market and enterprise customers across fintech, crypto, and regulated financial verticals, with documented conversion rates of 91.64% in the US and 95.86% in the UK. The company operates from Limassol with 501–1,000 employees and hiring across 22 countries, indicating significant geographic distribution. Current projects focus on APAC and emerging vertical expansion, partner channels, and a reusable KYC product line.

HeadquartersLimassol

Company Size501–1,000 employees

Founded2015

Hiring MarketsBulgaria, Cyprus, Saudi Arabia, United States, Georgia, Uganda, Serbia, United Kingdom

Frequently Asked Questions

What tech stack does Sumsub use?

Sumsub runs Apache Kafka and Kafka Streams for event streaming, ClickHouse for analytics, dbt for data modeling, Python and Java for services, and Elasticsearch/OpenSearch for search and monitoring. Salesforce and HubSpot handle CRM; GitLab CI/CD manages deployment.

Where is Sumsub headquartered and how large is it?

Sumsub is headquartered in Limassol, Cyprus, and is privately held with 501–1,000 employees. The company was founded in 2015 and operates hiring centers across 22 countries globally.