Software quality engineer (UK)

writer.com; Greater London; On-site; GBP 60,000 - 80,000; Full time

Benefits offered by this job

Generous PTO, plus company holidays

Comprehensive medical and dental insurance

Paid parental leave for all parents (16 weeks)

Fertility and family planning support

Early-detection cancer testing

Competitive pension scheme

Wellness stipend for gym and personal training

Learning and development stipend

Company-wide off-sites and team off-sites

Competitive compensation and company stock options

Job summary

Writer.com is seeking a Software Quality Engineer to ensure the quality of cutting-edge AI applications. This hybrid role involves defining quality assurance strategies and collaborating with cross-functional teams to enhance software reliability and performance.

The ideal candidate will bring 5+ years of QA experience, proficiency in Python or TypeScript, and knowledge of AI/ML concepts. Excellent benefits include generous PTO, medical insurance, and competitive compensation.

Qualifications

• 5+ years of hands-on experience in software quality assurance.
• Proficiency in Python or TypeScript for test automation.
• Solid understanding of AI/ML concepts and challenges.

Responsibilities

• Define and implement quality assurance strategies for AI applications.
• Collaborate with teams to understand complex AI features.
• Monitor production systems and contribute to quality validation.

Skills

Software quality assurance

Testing complex distributed systems

Python

TypeScript

Cloud platforms

CI/CD processes

Tools

Playwright

Docker

Kubernetes

Job description

Are you passionate about ensuring the highest quality for cutting-edge generative AI applications? As a software quality engineer at WRITER, you'll play a critical role in shaping the reliability, performance, and trustworthiness of our AI‑powered work orchestration platform. You’ll be at the forefront of defining and implementing rigorous quality strategies for our enterprise‑grade LLMs and AI agents, directly impacting how hundreds of global companies unlock transformational value through AI. This is a unique chance to dive deep into the unique challenges of AI quality assurance and make a tangible difference in a rapidly evolving field.

This is a hybrid role based out of our London, San Francisco, Seattle, and New York City hubs. You will report directly to the director of engineering.

What you'll do

• Define and implement comprehensive quality assurance strategies and test plans for our AI agents and LLM‑powered applications, ensuring exceptional product reliability and performance.

• Designing and developing automation frameworks: creating robust, scalable, and maintainable automated test frameworks from scratch or enhancing existing ones. You’ll need proficiency in at least one language like Typsecript, Python.

• Collaborate closely with product managers, machine learning engineers, and data scientists to understand complex AI features and model behaviors, translating them into effective test cases and validation criteria.

• Drive the continuous improvement of our testing processes and infrastructure, integrating automated checks within our CI/CD pipelines to ensure rapid, high‑quality releases.

• Identify, document, and track software defects and inconsistencies, performing root cause analysis to provide actionable feedback to development teams.

• Monitor production systems and AI model performance, proactively identifying potential issues and contributing to post‑release quality validation.

• Champion quality best practices across engineering teams, fostering a culture of ownership and continuous improvement in delivering world‑class AI solutions.

• Designing, managing, and maintaining test data strategies and mock services to ensure stable, isolated, and repeatable test execution.

• Experience designing, developing, or integrating agentic AI systems, AI skills, and the Model Context Protocol (MCP).

• Manage the full defect lifecycle by analyzing customer feedback and debugging logs to identify, prioritize, and track software bugs, collaborating closely with development teams to ensure timely resolution.

What you need

• 5+ years of hands‑on experience in software quality assurance or engineering, with a strong focus on testing complex distributed systems or AI/ML applications.

• Proficiency in programming languages like Python or Typescript for test automation, and experience with modern testing frameworks such as Playwright.

• Solid understanding of AI/ML concepts, including model evaluation metrics, data pipelines, and the unique challenges of testing generative AI outputs.

• Experience with cloud platforms (AWS, Azure, GCP) and containerization technologies (Docker, Kubernetes) in a CI/CD environment is a big plus.

• Exceptional analytical skills to dissect complex problems and a keen eye for detail, ensuring no bug goes unnoticed.

• A collaborative spirit that helps you Connect cross‑functional teams to common quality goals, Challenge existing assumptions to build better systems, and Own the end‑to‑end quality of our products.

• Demonstrated ability to drive initiatives independently and thrive in a fast‑paced, evolving startup environment.

Benefits & perks (UK full‑time employees)

• Generous PTO, plus company holidays

• Comprehensive medical and dental insurance

• Paid parental leave for all parents (16 weeks)

• Fertility and family planning support

• Early‑detection cancer testing through Galleri

• Competitive pension scheme and company contribution

• Annual work‑life stipends for:

  • Wellness stipend for gym, massage/chiropractor, personal training, etc.

  • Learning and development stipend

• Company‑wide off‑sites and team off‑sites

• Competitive compensation and company stock options