Staff Software Engineer (Test Automation)

One Identity, LLC; United Kingdom; Remote; GBP 90,000 - 130,000; Full time

Job summary

One Identity’s OneLogin team seeks a Senior Software Engineer who owns design, build, test, deploy and operate responsibilities with a bias for action. You will shape testing strategy and automation, and contribute to AI-augmented development to maximize confidence and release safety at scale.

You will work across backend, APIs, cloud, and operations, improving system reliability and reducing operational burden while maintaining product velocity in a hands-on role.

Qualifications

• Experience with backend development in Ruby, Node.js, or similar.
• Strong understanding of REST APIs, service contracts, and design principles.
• Experience integrating tests into CI/CD pipelines with fast feedback loops.
• Experience with cloud environments and production debugging/observability tools.

Responsibilities

• Eliminate manual QA dependency and build scalable automated testing.
• Design and evolve test architecture and tooling across services and teams.
• Own test strategy across services: what to test, where to test, and how to maximize signal with minimal runtime.
• Improve CI/CD confidence and release safety while increasing deployment velocity.
• Reduce regression risk through targeted test coverage and reliable tests.
• Own test reliability and address flaky tests proactively.

Skills

Backend development

REST APIs

CI/CD

On-call mindset

Tools

Playwright/Cypress

AWS

Datadog

Job description

Overview

One Identity's OneLogin team is seeking Senior Software Engineers who operate with high ownership, strong technical judgment, and a bias for action. These roles are designed for engineers who identify and solve problems proactively — not just execute assigned work.

Senior Engineers at OneLogin are expected to operate as T-shaped engineers: deep in a primary domain while remaining capable across the stack (backend, APIs, cloud, and operations). You will play a key role in maintaining product velocity, improving system reliability, and reducing operational burden.

This is a hands‑on role that includes on‑call responsibilities and requires a strong commitment to modern engineering practices, including AI‑augmented development. We are looking for engineers who take full ownership — design, build, test, deploy, and operate — rather than handing work off between silos. In this role, you will focus on designing and evolving testing strategy and automation systems that maximize confidence while minimizing feedback time — eliminating manual QA dependency and improving release safety at scale.

Responsibilities

Eliminate manual QA dependency and build scalable automated testing

• Design and evolve test architecture and tooling that scales across services and teams
• Design and implement end‑to‑end, integration, and API test automation
• Own test strategy across services — determine what to test, where to test it (unit vs integration vs E2E), and how to maximize signal while minimizing runtime
• Improve CI/CD confidence and release safety while increasing deployment velocity
• Reduce regression risk through targeted, high‑value test coverage rather than brute‑force test expansion
• Own test reliability — proactively detect, diagnose, and eliminate flaky or low‑signal tests

Ideal Experience

• Experience with modern test frameworks (Playwright, Cypress, or similar)
• Strong understanding of testing strategy across layers (unit, integration, API, E2E) and when to apply each
• Experience optimizing test suites for speed vs coverage (e.g., test selection, parallelization, flake reduction)
• Experience integrating tests into CI/CD pipelines with a focus on fast feedback loops
• Experience using AI tools to accelerate testing workflows, including:
  • Using AI to generate, prioritize, and optimize test coverage based on risk and system behavior
  • Analyzing test failures and flaky patterns at scale using AI‑assisted tooling
  • Accelerating test maintenance, refactoring, and gap detection
• Ability to use data (incidents, logs, usage patterns) to continuously refine and prioritize test coverage
• Experience with API and contract testing

Qualifications

Software Engineering

• 4+ years of professional software engineering experience with ownership of features, quality, or system-level initiatives.
• Strong backend development experience (Ruby, Node.js, or similar).
• Solid understanding of REST APIs, service contracts, and software design principles.
• Experience working across backend services, APIs, and production systems.

Quality Engineering

• Experience designing and maintaining automated tests across unit, integration, and end-to-end levels.
• Familiarity with modern testing frameworks (e.g., Playwright, Cypress).
• Strong ownership of code quality, debugging, and testing strategy, balancing coverage, reliability, and execution time.

Cloud & Production Systems

• Experience building and operating services in AWS or similar cloud environments.
• Good understanding of cloud-native and distributed systems (microservices, scalability, resilience).
• Experience with CI/CD, production debugging, observability tools (e.g., Datadog), and incident response.

On-Call & Reliability

• Willingness to participate in a mandatory 24/7 on‑call rotation.
• Experience responding to production incidents and contributing to reliability improvements and postmortems.

AI-Assisted Development

• Experience using, or strong interest in, AI-powered development tools (e.g., GitHub Copilot, ChatGPT, Cursor).
• Ability to review and validate AI-generated code and suggestions.

One Identity is an Equal Opportunity Employer and Prohibits Discrimination and Harassment of Any Kind: One Identity is committed to the principle of equal employment opportunity for all employees and to providing employees with a work environment free of discrimination and harassment. All employment decisions at One Identity are based on business needs, job requirements and individual qualifications, without regard to race, color, religion or belief, national, social or ethnic origin, sex (including pregnancy), age, physical, mental or sensory disability, HIV Status, sexual orientation, gender identity and/or expression, marital, civil union or domestic partnership status, past or present military service, family medical history or genetic information, family or parental status, or any other status protected by the laws or regulations in the locations where we operate. One Identity will not tolerate discrimination or harassment based on any of these characteristics. One Identity encourages applicants of all ages.