As a Senior Software Engineer, you would be working on building and scaling the Mercury team's services (LogMeIn Resolve) while ensuring the long-term health and stability of our architecture
You will design and implement robust backend solutions for our Node.js services, ensuring that new features are built with reliability, scalability, and testability in mind from day one
You will drive the testing strategy for our Node.js backend, selecting the right tools (e.g., Playwright, Jest) and creating Proof of Concepts for AI-driven testing tools (e.g., agents or self-healing scripts)
You will act as a "Quality Champion," mentoring developers and interns on "shifting left," writing better tests, and integrating Specification-Driven Development (SDD) into daily workflows
You will take ownership of the stability of our releases, building automated safety nets and pipelines that allow the team to deploy complex features to production with confidence

5+ years of software development experience with a strong focus on Test Automation or SDET roles
Deep proficiency in modern JS/TS ecosystems for both development and testing (e.g., Node.js, TypeScript)
Hands-on experience with modern testing frameworks (e.g., Playwright, Jest, Cypress) covering E2E, API, and Unit levels
Passion for AI-driven development: Familiarity with AI-based testing tools (e.g., AI agents for E2E flows, self-healing scripts) or Specification-Driven Development (SDD)
Willingness to research and integrate LLM-based solutions
Strong documentation skills, with the ability to create clear technical guides and test/development strategies
Proven track record of designing test architectures from scratch and driving quality initiatives independently without constant supervision
Experience in defining and tracking quality metrics (e.g., code coverage, bug escape rate) to drive process improvements
Solid background in Agile environments, capable of balancing speed and quality in a fast-paced CI/CD workflow
Remote work proficiency, demonstrating proactive communication and self-management

Full remote work option within Hungary and on-demand seat in our Astoria office
Comprehensive health benefits, life and disability insurance
Generous paid time off, paid holidays, volunteer time off, and quarterly self-care days and no meeting days
Tuition and reading reimbursement programs to support your continuous learning and professional growth
Thrive Global Wellness Program, confidential Employee Assistance Program (EAP), as well as One to One Wellness Coaching
Employee programs—including Employee Resource Groups (ERGs), GoTo Gives, and our charitable matching program—to amplify your connection and impact
Gym reimbursement programs to encourage your physical well-being
GoTo performance bonus program to celebrate your impact and contributions
Monthly remote work stipend to support your home office expenses

Senior Software Engineer

Key skills