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Synack

Software Engineer, AI (Level determined by experience)

Synack · Remote in the United Kingdom

Posted about 3 months ago

or apply directly on Synack's site. We never take the application ourselves.

Is this posting real?

This role has been open
79 days
Synack's roles stay open a median of 80 days
Reposted
No
Salary listed
No
83% of Synack's roles list one
Ghost-job risk at Synack
high
11 stale, 0 reposted of 12 open
Hiring momentum
13 roles opened in the last 90 days
↑ up vs. the prior 90 days
Last confirmed on the employer's board
2026-10-22

Measured from postings appearing on and disappearing from Synack's own greenhouse board since 2026-08-03. Full hiring picture for Synack.

About this role

As a Senior Software Engineer (AI) at NetSPI+Synack, you will design and develop AI agents that automate penetration testing and enhance security tooling. Your role involves building and managing a sandboxed cyber-lab infrastructure, shipping features from ideation to production, and collaborating with security researchers to improve the functionality of these agents. Additionally, you will lead code reviews and design sessions to elevate the team's technical capabilities.

Our read on this posting2.0out of 5
benefits
1/5
freshness
1/5
career value
4/5
role clarity
4/5
pay transparency
0/5

Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of Synack as an employer.

What you need

  • 4+ years of software engineering experience
  • Proven ability to build and scale production systems
  • Strong Python, polyglot codebase
  • Fluent or willing to learn Go
  • Hands-on experience building and operating production AI applications using LLMs and agentic frameworks (e.g., RAG, MCP, LangGraph or similar)
  • Demonstrate ability to create reliable agents (prompting, evaluation, guardrails, understanding of token and cost optimization)

Nice to have

  • 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

Worth weighing

  • Remote position limited to citizens of the United Kingdom
  • Role may be subject to nationality, residency and security-clearance checks
  • Salary is determined by various factors and includes potential equity and benefits, but specifics are not listed

Summarised from Synack's posting. Read the full original.

Listed by Synack on their greenhouse job board, last confirmed open on 2026-10-22. PitchMeAI is not the employer.

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