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Senior QA Engineer

10 hours, 58 minutes ago
Anywhere, Malaysia, Singapore, Taiwan, Hong Kong
Full-time
Senior
QA Engineer
Quality Assurance and Testing
Blockchain CI/CD Docker Gatling Git Grafana Java JMeter Kafka Kubernetes Locust Microservices MySQL OpenTelemetry PostgreSQL Prometheus Python RabbitMQ Redis REST API SQL
Apply Now

Aster

Aster is a decentralized perpetual exchange for crypto derivatives, spot trading, and yield products, with privacy-focused and MEV-protection features.

Technology, Information and Internet
1-10
Founded 2021
View All Jobs 11

Description

  • Design, develop, and maintain test strategies, test plans, and test cases for backend services and distributed systems.
  • Own quality assurance across the software development lifecycle, from requirement analysis through production support.
  • Design and execute functional, integration, regression, system, and end-to-end tests for backend services and business workflows.
  • Develop and maintain automated testing frameworks and test scripts for RESTful APIs and backend services.
  • Build test scenarios for high-concurrency and distributed systems, with emphasis on data consistency, reliability, fault tolerance, idempotency, and high availability.
  • Validate APIs, database models, message-driven workflows, and system integrations for stability, correctness, and efficiency.
  • Collaborate with cross-functional teams to identify quality risks and deliver high-quality solutions.
  • Review code and technical designs from a quality perspective and drive QA standards and best practices.
  • Monitor production systems, troubleshoot incidents, reproduce defects, and identify quality, performance, and reliability risks.
  • Improve testing efficiency through better automation, CI/CD integration, test coverage, observability, and quality processes.

Requirements

  • Bachelor's degree in Computer Science, Software Engineering, or a related field.
  • 5+ years of QA or software testing experience with strong backend and API testing experience.
  • Solid understanding of software testing methodologies, test design, defect management, and software engineering best practices.
  • Strong experience with RESTful API testing, including request/response validation, authentication, authorization, error handling, and boundary conditions.
  • Hands-on experience with test automation frameworks and scripting/programming languages such as Java, Python, or similar.
  • Strong understanding of distributed systems testing concepts, including scalability, reliability, fault tolerance, idempotency, concurrency, data consistency, and high availability.
  • Experience testing microservices architectures and asynchronous systems.
  • Experience with relational databases such as MySQL or PostgreSQL, including SQL-based data validation and data integrity testing.
  • Experience with caching technologies such as Redis.
  • Familiarity with message queues such as Kafka, RabbitMQ, or RocketMQ.
  • Experience with Docker and Kubernetes.
  • Familiarity with Git, CI/CD pipelines, and automated testing practices.
  • Experience with performance and load testing tools such as JMeter, Gatling, or Locust.
  • Strong analytical, debugging, and problem-solving skills.
  • Basic proficiency in reading and writing English.
  • Preferred: experience testing or developing Web3, digital wallet, digital asset custody, cryptocurrency exchange, payment, or financial transaction systems.
  • Preferred: understanding of blockchain fundamentals, including public/private key cryptography, wallet architecture, blockchain transactions, and digital assets.
  • Preferred: experience testing or integrating blockchain infrastructure, blockchain nodes, smart contracts, Web3 technologies, or crypto-related products.
  • Preferred: experience testing high-throughput, low-latency backend systems.
  • Preferred: familiarity with observability and monitoring tools such as Prometheus, Grafana, ELK, or OpenTelemetry.
  • Preferred: experience with security testing, financial transaction testing, data consistency, and transaction integrity.
  • Preferred: experience applying AI technologies to improve test automation, test case generation, defect analysis, or engineering productivity.

Interested in this position?

Apply directly on the company website

Apply Now

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