Senior Backend Engineer - Fraud & Crypto Platforms

Blockchain.com; Greater London; Hybrid; GBP 100,000 - 125,000; Full time

Job summary

A leading crypto company in Greater London is looking for a Senior Back-End Engineer. This role involves developing scalable APIs and optimizing systems while ensuring security and performance. Candidates should have extensive experience with JVM languages like Java or Kotlin, and a customer-focused mindset. The company offers a hybrid work environment, unlimited vacation, and equity options, making it an ideal place for tech enthusiasts passionate about transforming finance with crypto.

Benefits

Full-time salary based on experience

Hybrid working model

Work from Anywhere Policy

Unlimited vacation policy

Opportunity to grow in a global tech company

Qualifications

• 7+ years experience building highly-available backend systems.
• Expertise in Java, Kotlin, or Scala.
• Experience with distributed systems and microservices.

Responsibilities

• Develop APIs for product applications.
• Optimize systems for scalability and performance.
• Ensure security in all software solutions.

Skills

Programming languages expertise

Customer focus

Test coverage

Technical documentation

Monitoring

Tools

Java

Kotlin

Scala

Kafka

PostgreSQL

Redis

Apache Spark

Datadog

Amplitude

Grafana

BigQuery

Job description

A leading crypto company in Greater London is looking for a Senior Back-End Engineer. This role involves developing scalable APIs and optimizing systems while ensuring security and performance. Candidates should have extensive experience with JVM languages like Java or Kotlin, and a customer-focused mindset. The company offers a hybrid work environment, unlimited vacation, and equity options, making it an ideal place for tech enthusiasts passionate about transforming finance with crypto.