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Binance | Dublin, Ireland |
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Senior Site Reliability Engineer (Node.js & QA), Trading Technologies
Argentina, Buenos Aires / Ireland, Dublin / Czech Republic, Prague / Croatia, Zagreb / Estonia, Tallinn / Greece, Athens / Hungary, Budapest / Riga, Latvia / Moldova, Chișinău / Portugal, Lisbon / Romania, Iași / Romania, Bucharest / Türkiye, Ankara / Türkiye, Istanbul / Bulgaria, Sofia
Engineering – DevOps/SRE /
Full-time: Remote /
Remote
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Binance is a leading global blockchain ecosystem behind the world’s largest cryptocurrency exchange by trading volume and registered users. We are trusted by over 280 million people in 100+ countries for our industry-leading security, user fund transparency, trading engine speed, deep liquidity, and an unmatched portfolio of digital-asset products. Binance offerings range from trading and finance to education, research, payments, institutional services, Web3 features, and more. We leverage the power of digital assets and blockchain to build an inclusive financial ecosystem to advance the freedom of money and improve financial access for people around the world.
About the Role
We are looking for a Senior Site Reliability Engineer (SRE) with solid Node.js experience to help maintain and improve our internal testing and validation systems. You will work on the reliability and performance of our distributed test environment, which supports web, API, and Android testing.
A key part of the role is to build and refine our internal monitoring and alerting, making sure our high-load, real-time test runs stay stable and easy to understand when issues occur. This includes improving how we track failures, measure system health, and respond to problems across the different components of the test stack.
If you enjoy working with distributed systems, improving tooling, and making test environments easier to operate and debug, this role will suit you well.
Responsibilities
- Maintain, operate, and improve distributed test execution systems across web, API, and Android platforms.
- Ensure the reliability, performance, and scalability of test environments including Selenium grids, Appium setups, VPN containers, and supporting microservices.
- Expand testing capabilities by enabling new jurisdictions, product flows, and environment configurations.
- Develop and refine internal tooling, diagnostics, and automation to reduce operational overhead and improve system visibility.
- Troubleshoot complex issues across distributed systems, containers, networked services, mobile emulators, and API integrations.
- Support environment provisioning, CI/CD integration, and orchestration of test execution pipelines.
Requirements
- 5+ years of professional experience with Node.js, ideally in SRE, DevOps, test automation, or platform engineering.
- Strong understanding of software engineering fundamentals and testing methodologies.
- Hands-on experience with modern testing frameworks such as Playwright, Puppeteer, or WebDriver/WDIO.
- Experience with Android development or mobile automation (Appium, emulators, ADB, debugging).
- Strong analytical and troubleshooting skills across distributed and containerized systems.
- Ability to design, maintain, and debug reliable test environments across local, staging, and production-like setups.
Bonus Skills
- Experience with Docker and Kubernetes for orchestrating multi-service test stacks.
- Experience with time-series databases such as ClickHouse for metrics, analytics, or results storage.
- Familiarity with observability tooling (Prometheus, Grafana, OpenTelemetry).
- Background in CI/CD pipelines, cluster deployments, or environment automation.
- Understanding of VPN routing, network debugging, and environment-dependent test scenarios.
Why Binance
• Shape the future with the world’s leading blockchain ecosystem
• Collaborate with world-class talent in a user-centric global organization with a flat structure
• Tackle unique, fast-paced projects with autonomy in an innovative environment
• Thrive in a results-driven workplace with opportunities for career growth and continuous learning
• Competitive salary and company benefits
• Work-from-home arrangement (the arrangement may vary depending on the work nature of the business team)
Binance is committed to being an equal opportunity employer. We believe that having a diverse workforce is fundamental to our success.
By submitting a job application, you confirm that you have read and agree to our Candidate Privacy Notice.
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
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What is a QA in a job?
QA stands for Quality Assurance, which is a process or department in a company responsible for ensuring that products or services meet a certain level of quality
In a job, QA may refer to the role of a Quality Assurance Engineer or a Software Testing Engineer, who is responsible for designing and implementing quality control procedures to ensure that products or services meet the company's quality standards
A QA Engineer may be involved in various stages of the product or service development cycle, from designing and planning quality control procedures to executing testing and analysis to identify and address issues or defects
They may also work closely with other departments, such as engineering, product management, and customer support, to ensure that customer needs are met and that products or services meet the desired level of quality
In the context of Web3, Quality Assurance (QA) refers to the process of testing decentralized applications (DApps), smart contracts, and other blockchain-based solutions to ensure their functionality, security, and performance
The role of a QA Engineer in Web3 may involve designing and implementing testing strategies to identify and fix bugs, vulnerabilities, and other issues that could affect the user experience, data integrity, or network security
Some of the specific responsibilities of a QA Engineer in Web3 may include:
- Developing test cases and scenarios for DApps, smart contracts, and other blockchain-based solutions
- Conducting automated and manual testing to identify and fix issues
- Collaborating with developers, product managers, and other stakeholders to ensure the quality of the product
- Ensuring that DApps and smart contracts are compatible with different blockchain networks and standards
- Contributing to the development of tools and frameworks for testing Web3 applications.