Software Development Engineer in Test at Blockchain.com

London, England, United Kingdom

Blockchain.com Logo
Not SpecifiedCompensation
Mid-level (3 to 4 years)Experience Level
Full TimeJob Type
UnknownVisa
Blockchain, FinTech, CryptocurrencyIndustries

Requirements

  • Innate curiosity and a strong passion for quality engineering
  • Professional experience as an SDET, QA Automation Engineer, or Software Engineer with a focus on testing
  • Strong experience with Python (test automation, scripting, or backend validation)
  • Familiarity with SQL for data validation
  • Experience in one or more of the following is a strong plus: Distributed systems testing, Kubernetes-based test environments, Messaging technologies (Jetstream NATS, Redis, etc.), Load/performance testing tools (Locust, JMeter, Gatling, etc.)
  • A pragmatic, hands-on approach to solving complex problems
  • Solid understanding of algorithms, data structures, databases, and distributed systems
  • Passion for building automation-first testing cultures, minimizing manual work wherever possible

Responsibilities

  • Design and build automated test frameworks and tools for low-latency, high-throughput trading services
  • Develop, maintain, and advocate test suites across the full product lifecycle: Unit testing, Integration testing (local and end-to-end), Performance and load testing, Failure recovery testing
  • Collaborate with software engineers to embed quality from the ground up in OMS, exchange gateways, risk management systems, and settlement services
  • Monitor, analyze, and improve system reliability, scalability, and performance through continuous testing
  • Ensure security-first testing practices, validating encryption schemes and protecting user and company data
  • Work closely with cross-functional teams to provide feedback, drive improvements, and raise the bar for engineering excellence

Skills

Key technologies and capabilities for this role

PythonSQLKubernetesDistributed SystemsTest AutomationUnit TestingIntegration TestingPerformance TestingLoad TestingSecurity Testing

Questions & Answers

Common questions about this position

What is the compensation for this SDET role?

The position offers a full-time salary based on experience along with meaningful equity in the company.

Is this a remote or hybrid position, and what are the office requirements?

This is a hybrid role based in the London office requiring mandatory in-office presence four days per week, with a Work from Anywhere Policy allowing remote work from anywhere in the world for up to 20 days per year.

What skills are required for the Software Development Engineer in Test position?

Required skills include professional experience as an SDET or QA Automation Engineer, strong experience with Python for test automation, and familiarity with SQL for data validation. Strong pluses include distributed systems testing, Kubernetes, messaging technologies like Jetstream NATS or Redis, and load testing tools like Locust or JMeter.

What is the company culture like at Blockchain.com?

Blockchain.com thrives in a high-performance culture defined by fearlessness, ownership, and hyper-productivity, with a flexible work culture and commitment to diversity and inclusion.

What makes a strong candidate for this SDET role?

Strong candidates have innate curiosity, passion for quality engineering and automation-first testing cultures, professional SDET experience, Python and SQL skills, a pragmatic hands-on approach, and solid understanding of algorithms, data structures, databases, and distributed systems.

Blockchain.com

Cryptocurrency trading and wallet services platform

About Blockchain.com

Blockchain.com offers a platform for buying, storing, and trading cryptocurrencies such as Bitcoin and Ethereum. Users can execute trades quickly, often in microseconds, thanks to the platform's advanced matching engine and deep liquidity. The company generates revenue through transaction fees, trading spreads, and premium services, catering to both individual and institutional clients. It allows users to deposit and withdraw various fiat currencies and provides an API for programmatic trading and live market data. Blockchain.com prioritizes security and reliability, ensuring the protection of users' funds and data.

London, United KingdomHeadquarters
2011Year Founded
$583.6MTotal Funding
SERIES_ECompany Stage
Fintech, Crypto & Web3Industries
501-1,000Employees

Benefits

Competitive Salary
Meaningful Equity
Crypto Bonus
HealthCare
Paid Family Leave
Get the equipment you need
Unlimited Vacation
Remote-first
Offsites

Risks

Increased competition from zero-knowledge identity projects like Humanity Protocol.
Cross-chain interoperability platforms may reduce Blockchain.com's competitive edge.
Operational risks from integrating Altonomy's systems into Blockchain.com.

Differentiation

Blockchain.com offers a comprehensive suite for buying, storing, and trading digital assets.
The platform integrates with a global banking network for multi-currency transactions.
Blockchain.com provides an institutional-grade API for programmatic trading and live market data.

Upsides

Blockchain.com raised $110 million in a Series E funding round.
Integration with Altonomy enhances Blockchain.com's trading platform capabilities.
Growing interest in privacy-focused blockchain solutions benefits Blockchain.com's offerings.

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