What you will be doing: Drive quality initiatives to improve Circle’s system availability and reliability Help with peer review on code changes and test cases Isolate issues and report to the issue tracking system Verify bug fixes and prevent regression bugs by creating quality tools and detecting early Test web applications and underlying services, API services, and mobile apps (iOS and Android) Participate in designing and building testing processes and test frameworks Plan, develop/maintain automated UI and/or API tests Develop test tools and programs to fulfill internal needs Give internal knowledge sharing on technical topics Mentor new hires and junior engineers What you should have (not all required): Senior Software Engineer, Quality (III) 4+ years of experience in software engineering or automation testing development Bachelor’s (or higher) degree in computer engineering, computer science, or a related field Proficiency in writing clean and maintainable code in TypeScript or JavaScript Expertise in API/UI automation testing Strong understanding of and ability to utilize automation frameworks Familiarity with Linux/macOS operations Knowledge of network protocols like HTTP and RESTful APIs Experience with CI/CD practices, particularly using GitHub Actions Familiarity with Docker, Kubernetes (k8s), and AWS Skills in effectively locating or adopting existing tools, or developing new tools as needed Dedication to designing and executing various types of testing (e.g., functional, stress, performance, load) Ability to design and build automation frameworks from scratch Experience contributing to in-house testing infrastructure and frameworks Ability to integrate automation frameworks with CI/CD pipelines Ability to clearly and concisely describe issues Agility and flexibility in fast context-switching Capability to guide and mentor more junior team members Proficiency in English communication in a professional setting Ability to lead internal team projects and develop practical plans to achieve predefined objectives Passion for pursuing extensive blockchain/testing knowledge and skill excellence Optional Blockchain/cryptocurrencies related knowledge Know-how of smart contracts, e.g., creation, deployment, and interaction Experience in leading a small team When applying, mention the word CANDYSHOP to show you read the job post completely.