Synack - Software Engineer, AI (Level determined by experience)
Requirements
• 4+ years of software engineering experience • Proven ability to build and scale production systems • Strong Python, polyglot codebase, • Fluent or willing to learn Go • Experience building LLMs an agentic frameworks leveraging tools like RAG, MCP- from dev environment to production • Demonstrate ability to create reliable agents (prompting, evaluation, guardrails, understanding of token and cost optimization • Capable leveraging Docker, Kubernetes, isolated sandbox, cloud experience GCP preferred • Brings a disciplined testing approach to microservices gPRC, API design, async messaging (Pub/Sub, Kafka) • Passionate desire to understand how systems get compromised • Clear communication • Collaborative ability to partner across teams • Offensive security experience: penetration testing, red teaming, CTF, or security tooling. • Experience driving security tools programmatically or automating an attack chain. • Startup experience, where scope is broad and priorities move fast. • Ready to join us? • Ready to join us? • Synack is committed to embracing diversity. Our people are our strength. Each addition to our team is an opportunity to grow and diversify our ideas, experiences, and viewpoints. We strive to be inclusive of Race, Ethnicity, Religion, Sex, LGBTQ+, Veterans, Disabilities, and Age. Synack welcomes you! • As a candidate, Synack cares about your privacy. Please view our candidate privacy policy here. • This position has responsibility to ensure Synack’s security and privacy posture is maintained. • £150,000 - £180,000 Salary is determined by a combination of factors including location, level, relevant experience, and skills. The range displayed on each job posting reflects the minimum and maximum target for new hire salaries for the position across all UK locations. The compensation package for this position may also include equity, and benefits. For more details about our benefits, please see here. Then for the Employer code, enter: synack • £150,000 - £180,000 • synack
Responsibilities
• Build AI agents that automate penetration testing: planning, tool use, reasoning over findings, and acting safely within scope. • Stand up and run the sandboxed cyber-lab and range infrastructure, containerised on Kubernetes, where these agents execute offensive tooling. • Ship features from ideation through production, including evals, guardrails and monitoring. • Improve how our agents work: prompting, tool orchestration, evaluation, and cost. • Lead code reviews and design sessions, and help the engineers around you grow. • Work closely with our security researchers to translate how they hack into how our agents operate.
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