Blockchain
Blockchain2mo ago

Software Engineer, Fraud

London · (london) · Londonmid
OtherBackend EngineeringSoftware EngineerSoftware Engineering
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Quick Summary

Key Responsibilities

You can work remotely from anywhere in the world for up to 20 days per year.

Technical Tools
OtherBackend EngineeringSoftware EngineerSoftware Engineering

We are looking for software engineers from a variety of technical backgrounds with a proven track record in building scalable, reliable and performant systems. You will play a critical role in building financial and crypto-native products, services and APIs. As a Senior Back-End Engineer you should lead by example - driving the technical discussions, influencing the approach and making a positive impact on the team's development by advocating the best engineering practices.

Responsibilities

~1 min read
  • You will be part of the Brokerage - Orders team who enable buy, sell and swap of crypto
  • Develop and integrate APIs from new and existing services, to our various product applications.
  • Become a key member of a dedicated engineering team committed to rapidly shipping, and iterating on products that directly impact millions of users
  • Advocate best practices, code quality, test coverage and drive technical discussions
  • Optimise existing systems for scalability, extensibility and performance whilst building out reusable, modular code for use across Blockchain’s products
  • Ensure security is at the forefront of everything you do, employing advanced encryption schemes to secure user and company data
  • Work within interdisciplinary teams to continually deliver the highest quality software to our users

Responsibilities

~1 min read
  • You know at least one programming language in depth
  • You have at least 7 years experience building and shipping highly-available, fault tolerant, production ready distributed backend systems
  • You have experience in any JVM based languages (such as Java, Kotlin, Scala) and are confident in your ability to build, debug and ship microservices
  • You are customer focused and continuously suggest how the backend can provide the best Customer Experience
  • You pride yourself on consistent high levels of test coverage, strong technical documentation and effective monitoring
  • Preferably exposure to technologies such as Kafka, PostgreSQL, Redis
  • We use Kotlin, PostgreSQL, Kafka, Redis, Datadog, Amplitude, Grafana, BigQuery, ApacheSpark and more
  • Have a basic understanding of reactive systems using CQRS and event sourcing. A bonus would be experience using Akka.
  • A passion for crypto and the transformations it enables

What We Offer

~5 min read
Full-time salary based on experience and meaningful equity in an industry-leading company
Hybrid model working from home & awesome office location in the heart of London
Work from Anywhere Policy: You can work remotely from anywhere in the world for up to 20 days per year.
Unlimited vacation policy; work hard and take time when you need it
Apple equipment
The opportunity to be a key player and build your career at a rapidly expanding, global technology company in an emerging field
Flexible work culture

Listing Details

Posted
January 29, 2026
First seen
March 26, 2026
Last seen
April 25, 2026

Posting Health

Days active
30
Repost count
0
Trust Level
31%
Scored at
April 25, 2026

Signal breakdown

freshnesssource trustcontent trustemployer trust
Blockchain
Blockchain
greenhouse
Employees
5
Founded
2017
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BlockchainSoftware Engineer, Fraud