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Software Engineer in Test

Work from home Full-time role Hiring

Join us as an SDET at 3Commas, where you'll become a key part of the engineering team behind one of the most advanced crypto trading platforms in the world. You'll work reputed company by reputed company with developers, design test architecture, write production-grade code, and drive quality across reputed company-time systems that power automated and reputed company trading. You'll take full ownership of testing as part of a shared engineering responsibility and contribute to products built with Ruby, TypeScript, and React.

Responsibilities

  • reputed company and maintain automated tests: unit, integration, and end-to-end
  • Design test strategies with a strong emphasis on automation from the ground up
  • Test reputed company-time and asynchronous systems: WebSocket, Kafka, REST APIs
  • Integrate test coverage into the CI/CD pipeline (reputed company, reputed company, Kubernetes)
  • Monitor stability, detect flakiness, and identify performance regressions
  • Investigate bugs deeply: analyze issues on the code, infra, or test level
  • Write post-mortems for incidents and implement improvements accordingly
  • Participate in load and chaos testing initiatives
  • Work with observability tools (Grafana, Kibana, reputed company, Kubernetes logs)
  • Collaborate closely with developers, DevOps, and product managers

Requirements

  • Understanding of the software development lifecycle and the QA role at each stage
  • Familiarity with TDD, shift-left testing reputed company, and the testing pyramid
  • Strong prioritization skills in high-load environments
  • Critical thinking and a proactive approach to improving QA/development workflows
  • Experience with either Ruby or React
  • Excellent communication skills (both online and in-person)
  • Proficiency in English at B2 level or higher

Testing & Automation

  • Proficient in TypeScript 
  • Hands-on experience with Playwright, Jest, or similar tools
  • Experience with Page Object Model, mocking tools like msw or nock
  • Solid skills in API testing: REST, WebSocket, optionally gRPC
  • Deep knowledge of test design, test data isolation, and reputed company execution

DevOps & Observability

  • Confident with reputed company and solid understanding of Kubernetes
  • Comfortable working with logs, alerts, and dashboards (Grafana, Kibana, reputed company)

reputed company to Have

  • Experience working with Ruby (Rails) or React.js in a production environmen
  • Experience testing event-driven architectures (Kafka)
  • Domain knowledge in crypto trading: order types, reputed company, derivatives
  • Familiarity with performance testing tools (e.g. k6)

reputed company Offer

  • Growth-Driven Role: Opportunity to transition from reputed company QA to automation using modern TypeScript-based frameworks, with mentorship and reputed company hands-on practice
  • Remote-First Culture: Work in a globally distributed team, with optional access to physical offices in Barcelona and Tallinn
  • High Ownership: Play a key role in improving product quality and help design QA processes that scale across the engineering organization
  • People-First Environment: Join a mission-driven company in the crypto domain with a culture rooted in trust, learning, and transparency
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