Software Engineer, Fraud Jobs

Blockchain

Location:
United Kingdom, London

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Not provided

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Job Description:

Blockchain.com is connecting the world to the future of finance. As the most trusted and fastest-growing global crypto company, it helps millions of people worldwide safely access cryptocurrency. Since its inception in 2011, Blockchain.com has earned the trust of over 90 million wallet holders and more than 40 million verified users, facilitating over $1 trillion in crypto transactions. Blockchain.com is the world's leading software platform for digital assets. Offering the largest production blockchain platform in the world, we share the passion to code, create, and ultimately build an open, accessible and fair financial future, one piece of software at a time. 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.

Job Responsibility:

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

Requirements:

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

Nice to have:

Preferably exposure to technologies such as Kafka, PostgreSQL, Redis
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:

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

Additional Information:

Job Posted:
December 06, 2025

Employment Type:

Fulltime

Work Type:

Hybrid work

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Software Engineer, Fraud