Senior QA Engineer

Blitzy is a Cambridge, MA based AI software development platform on a mission to revolutionize the software development life cycle by autonomously building custom software to unlock the next industrial revolution. We're transforming how enterprises build software, turning enterprise requirements into enterprise grade code with an agentic software development platform that can autonomously execute 80% of the quantum of software development work. We're backed by multiple tier 1 investors, and have proven success as founders of previous start-ups.

Who we are:

Led by two pioneering co-founders we are one of the fastest growing companies in the U.S., creating our own category of enterprise autonomous software development. We automate thousands of hours of software development for our customers, which includes strong representation within the Fortune 500.

How we work:

• We move Blitzy Fast: Time is both our company’s and our clients’ most precious asset. We move quickly and decisively to innovate internally and deliver exceptional software externally.

• Championship Mindset: We operate like a professional sports team. We win as a team by holding ourselves and each other to high standards, collaborating in-person, and remaining focused on the mission.

• Passion for Invention: We’re pushing the frontier of what’s possible, requiring constant innovation and iteration.

• We Work for the Customer: We focus on delivering outsized value to the customers we work with and expanding those relationships into deep, meaningful partnerships.

We're looking for a sharp, detail-obsessed Senior QA Engineer to join our team and help ensure our AI platform delivers enterprise-grade reliability and exceptional user experience. You'll be a hands-on individual contributor, spending the majority of your time crafting thorough test cases and executing manual testing across web and mobile applications. Working directly alongside our founding designer and engineering teams, you'll be on the front lines of quality for one of the most technically ambitious products being built today.

This is not a maintenance role at a legacy company. You'll be testing software that writes software -validating the output of an autonomous AI platform used by Fortune 500 enterprises. The problems you'll encounter are novel, the pace is fast, and the quality bar is high. As an IC, you'll have direct influence over how quality is practiced at a company building one of the most ambitious products in enterprise AI today. Your work will be seen, felt, and valued from day one.

• Define comprehensive manual test cases for new features based on UX designs, requirements, and user workflows.

• Own regression testing across web and mobile applications to ensure existing functionality remains intact across releases.

• Lead exploratory testing to identify edge cases, failure points, and potential issues before they reach customers.

• Execute API testing to validate front-end and back-end integrations and ensure reliable system functionality.

• Ensure thorough end-to-end test coverage across critical user journeys and application experiences.

• Manage defects tracking in Jira through accurate documentation, prioritization, and assignment

• Collaborate closely with engineering, product, and design teams to align on requirements and quality standards.

• Partner with the Automation Engineer to identify opportunities to automate repetitive manual tests and improve testing efficiency.

• 6+ years of QA experience with a strong emphasis on manual testing.

• Expert-level manual testing skills across web and mobile applications.

• Deep understanding of UX design principles and requirements analysis.

• Experience with API testing and integration testing.

• Strong knowledge of test case design, execution, and management.

• Hands-on experience with bug tracking tools (Jira preferred).

• Experience working within Scrum or Kanban methodologies.

• Excellent communication skills and ability to collaborate cross-functionally.

• Strong attention to detail with a user-focused mindset.

• Track record of implementing QA best practices from scratch in a fast-moving environment.

Blitzy is an equal opportunity employer committed to building a diverse and inclusive team. We believe different perspectives make us stronger. Base salary ranges are determined by country, role, level, experience, and skills. The range displayed on each job posting reflects Blitzy’s good faith determination of the minimum and maximum targets for new hire salaries across all locations. Individual pay is determined by related factors, including job skills, experience, and relevant education or training, which may impact a final offer. Your Talent Partner can share more about the specific salary range during the hiring process