Back to Jobs

Software Development Engineer in Test

Remote, USA Full-time Posted 2025-11-24

Mimecast is a company focused on building innovative solutions for Human Risk Management. They are seeking a Software Development Engineer in Test (SDET) to join their collaborative software engineering team, responsible for designing, developing, and operating software tests for their products.


Responsibilities

  • Help plan, refine and estimate epics and stories as part of an Agile Scrum team
  • Create test strategies and plans to thoroughly test new features
  • Refine acceptance criteria into testable units and convert those to efficient and reliable automated tests
  • Integrate automated tests with CI/CD pipelines and sustain successful automation as part of our regular build process
  • Perform manual testing on occasions when automated tests are not practical
  • Detect, reproduce, and help resolve defects, emphasizing troubleshooting, root cause analysis, and preventing similar issues in the future
  • Collaborate with cross-functional teams including Product Managers, Architects, and Engineers in the US and UK
  • Participate in and help drive Agile development processes
  • Push for continuous improvement in everything we do
  • Freely debate options and ideas, then rally behind decisions
  • Take initiative and apply innovations in technology and process to our products and work
  • Use and embrace AI tools to help in Quality Engineering activities
  • Participate in on-call rotation with your colleagues

Skills

  • Skills and aptitudes for Quality Engineering, especially automated testing
  • Understanding of how to plan tests and break down stories into testable units
  • Familiarity with full-stack automated testing, verifying front- and back-end interfaces including RESTful and gRPC API endpoints, and web-based user interfaces
  • Object-oriented programming skills and experience automating in Java, JavaScript, Typescript or similar
  • Familiarity with building and scaling tests using frameworks like JUnit/TestNg and Selenium/Cypress/Playwright
  • Familiarity with databases and including database-side verification in automated tests
  • Familiarity with performance and scalability testing
  • Familiarity with effective use of AI tools for development, testing, or documentation
  • Experience testing applications that use PostgreSQL, including writing queries and verifying data integrity
  • Familiarity with docker containers, Kubernetes and Helm
  • Experience with CI/CD build pipelines, especially using GitLab and Jenkins
  • Familiarity with AWS or similar public cloud offerings, and using their SDK to interact with Cloud Services for testing
  • Familiarity with monitoring and observability tools like Grafana for testing and support
  • Ability to troubleshoot and support customers, including understanding product features, providing technical guidance, and investigating issues
  • Strong communication skills and a collaborative mindset
  • Bias for action and problem solving – eagerness to take initiative and make things happen
  • Familiarity with digital communications tools like Zoom, Slack, and MS Teams: Not just how to use them, but how they work and integrate

Benefits

  • Comprehensive benefits package
  • Formal and on-the-job learning opportunities
  • Incentive plans

Company Overview

  • Mimecast is a SaaS-based email management platform enabling companies to administer business communications and data. It was founded in 2003, and is headquartered in London, England, GBR, with a workforce of 1001-5000 employees. Its website is http://www.mimecast.com.

  • Company H1B Sponsorship

  • Mimecast has a track record of offering H1B sponsorships, with 3 in 2025, 1 in 2024, 4 in 2023, 1 in 2022, 1 in 2021, 1 in 2020. Please note that this does not guarantee sponsorship for this specific role.

  •   Apply To This Job

    Similar Jobs

    Fund Accountant, Denver

    Remote, USA Full-time

    Southwest Airlines Remote Jobs – No Experience Needed

    Remote, USA Full-time

    [Remote] DevOps Engineer (all genders)

    Remote, USA Full-time

    **Experienced Customer Care Associate – Work from Home Opportunity with arenaflex**

    Remote, USA Full-time

    **Experienced Data Entry Specialist – Remote Opportunity with arenaflex**

    Remote, USA Full-time

    **Experienced Manager, Customer Relationship Management & Data Systems – Strategic Growth and Innovation at arenaflex**

    Remote, USA Full-time

    **Experienced Data Entry Specialist – Flexible Work-from-Home Opportunity with arenaflex**

    Remote, USA Full-time

    **Experienced Customer Service Representative – Delivering Exceptional Experiences in Remote Customer Support**

    Remote, USA Full-time

    Design Assistant

    Remote, USA Full-time

    **Experienced Social Media Customer Support Specialist – Work From Home at arenaflex**

    Remote, USA Full-time

    Account Associate- Tampa

    Remote, USA Full-time

    Trigyn Technologies – Help Desk Technician – Essex, MD

    Remote, USA Full-time

    **Part-Time Data Entry Specialist – Flexible Remote Work Opportunity with blithequark**

    Remote, USA Full-time

    Software Engineer

    Remote, USA Full-time

    AVID Tutor (2023-2024) - McNary

    Remote, USA Full-time

    Coding, Game Design & Digital Arts Summer Camp Teacher

    Remote, USA Full-time

    [Remote/WFM] Call Center Officer - Remote Work

    Remote, USA Full-time

    Phone/Chat/Email Customer Service

    Remote, USA Full-time

    Performance engineer

    Remote, USA Full-time

    Mental Health Therapist (CA License) - Part Time Evenings

    Remote, USA Full-time