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.

If the following job requirements and experience match your skills, please ensure you apply promptly. 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. WHAT YOU WILL DO You will be part of the Brokerage - Payments team who enable blockchain customers to deposit and withdraw in the blockchain app. Develop and integrate APIs from new and existing payment providers, banks and other third parties across multiple countries. Work with our FinOps team and payment providers to resolve customer issues. 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 Blockchains 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. WHAT YOU WILL NEED 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. A passion for crypto and the transformations it enables. COMPENSATION & PERKS Full-time salary based on experience and meaningful equity in an industry-leading company. Hybrid model working from home & our office in Central London (SoHo). Work from Anywhere Policy - up to 20 days to work remotely. ClassPass. Budgets for learning & professional development. Unlimited vacation policy; work hard and take time when you need it. The opportunity to be a key player and build your career at a rapidly expanding, global technology company in an emerging field. #LI-Hybrid Blockchain is committed to diversity and inclusion in the workplace and is proud to be an equal opportunity employer. We prohibit discrimination and harassment of any kind based on race, religion, color, national origin, gender, gender expression, sex, sexual orientation, age, marital status, veteran status, disability status or any other characteristic protected by law. This policy applies to all employment practices within our organization, including hiring, recruiting, promotion, termination, layoff, recall, leave of absence, and apprenticeship. Blockchain makes hiring decisions based solely on qualifications, merit, and business need at the time.

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