Senior Software Engineer – Quality, Test & CI Engineering

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Filigran

WebsiteLinkedInAll Job Openings

201 - 500 employees

Founded 2022

🔒 Cybersecurity

☁️ SaaS

Cybersecurity • SaaS • Technology

Filigran is a cybersecurity company specializing in Threat Intelligence and eXtended Threat Management (XTM). They provide a comprehensive suite of software solutions which includes cyber threat intelligence, breach and attack simulation, and incident response capabilities. Filigran's offerings also include training programs and community support, empowering organizations to enhance their security postures against various cyber threats.

📋 Description

• Audit the current state of test coverage and CI pipelines across the OpenCTI, OpenAEV, and OpenGRC — identify critical gaps and define a prioritised roadmap to address them. • Define and implement a cross-product test strategy covering unit, integration, end-to-end, and contract testing — adapted to each layer of the stack (GraphQL API, TypeScript/React frontend, Node.js/Java backend, Python connectors). • Lead the consolidation and standardisation of CI/CD pipelines towards GitHub Actions, introducing quality gates (coverage thresholds, mutation testing, flakiness detection, static analysis) as first-class pipeline steps. • Build shared test tooling, templates, and libraries that product teams can adopt with minimal friction — reducing the cost of writing good tests. • Introduce and maintain performance and load testing practices where none currently exist, establishing baselines and regression detection for critical system paths. • Define and enforce standards for test reliability and pipeline speed — flaky tests and slow pipelines are engineering debt you'll actively reduce. • Work closely with product engineering teams to embed quality practices in their day-to-day workflows, providing guidance, code reviews, and hands-on pairing where needed. • Stay current with the testing, CI/CD, and AI-assisted engineering landscape — evaluating new tools, LLM-based test generation approaches, and agentic testing frameworks, and bringing well-reasoned proposals to the team.

🎯 Requirements

• 7–12 years of experience in software engineering, with a strong and deliberate focus on quality engineering and CI/CD. • Deep expertise in test strategy and architecture: you know when to write a unit test, an integration test, or an E2E test — and you can explain the tradeoffs clearly. • Hands-on experience building and maintaining CI/CD pipelines at scale — you've designed pipelines that are fast, reliable, and developer-friendly, not just functional. • Comfortable across a polyglot stack: TypeScript/React on the frontend, Node.js or Java on the backend, Python for integrations — you don't need to be an expert in all, but you can navigate each and apply the right testing approach. • Experience with modern test tooling: Playwright, Vitest, Jest, Cypress, or equivalents; mutation testing frameworks (e.g. Stryker); contract testing (e.g. Pact); static analysis and linting pipelines. • Strong understanding of software quality metrics — coverage, mutation score, flakiness rates, pipeline duration — and how to use them to drive meaningful improvement rather than gaming numbers. • Excellent written communication skills — you can turn a quality audit into a clear, prioritized action plan that engineers and leadership can act on. • Comfortable working in a remote-first, async culture with teams across multiple time zones; clear communicator in English. • Autonomy and ownership mindset: you identify problems, propose solutions, and drive them to completion — you enable others rather than becoming a bottleneck. • Bonus: experience with performance/load testing tools (k6, Gatling, Locust, or equivalents); hands-on use of AI-assisted test generation tools (GitHub Copilot, Cursor, LLM-based test scaffolding); open-source contributions or maintainership; experience rolling out quality standards across large engineering teams; cybersecurity domain knowledge.

🏖️ Benefits

• Competitive pay + equity - everyone shares in our success • Remote-first, flexible, and balanced - work that fits your life • Your setup, your choice - pick the gear that works for you • Twice-a-year gatherings - we meet in person for regional and global offsites to connect, collaborate, and strengthen our culture beyond the screen