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Synack via Greenhouse

Graduate Software Engineer

Level not stated United Kingdom
still open verified 1d ago posted 13d ago checked 1h ago
Apply at job-boards.greenhouse.io

This is the employer's own posting, not a copy on a job board.

What we know

Is it still open?

Confirmed still open

Last checked 1d ago — checked against the employer's own applicant tracking system, which is the company answering directly.

We re-read the employer's own applicant tracking system and the posting was still there. That is the company answering directly.

Check this listing's status as JSON

How old is it?

Posted 13d ago

The date the source published, not the day we noticed it (2026-09-01). Last seen at its source 1h ago.

Is it remote?

Remote in the UK

That is the location the employer filed this posting under. Quoted as written — we do not re-word the source's own location.

Who may apply?

United Kingdom

The description states no restriction of its own. This is the source's own tag.

Pay not stated

Similar roles pay £75k–123.8k/yr

Middle 50% of 62 listings that do state pay — Engineering · all levels · United Kingdom · GBP/year. This employer has published no salary; this is what comparable listings we hold disclose, never converted between currencies or periods. How this is calculated.

Skills named in the ad

API DesignAgileDockerGCPKafkaKubernetesLLMMicroservicesPenetration TestingRAGRESTVulnerability ManagementgRPC

Recognised terms only, from a fixed vocabulary — this is what CV matching compares against.

Carried by 1 source

The listing

Synack’s Penetration Testing as a Service platform manages customers’ attack surfaces by discovering new assets, pentesting for critical vulnerabilities and gaining visibility into the root causes of security risks. We are committed to making the world more secure by harnessing a talented, vetted community of security researchers to deliver continuous penetration testing and vulnerability management, with actionable results. Synack's PTaaS platform has uncovered more than 71,000 exploitable vulnerabilities to date, protecting a growing list of Global 2000 customers and U.S. agencies in a FedRAMP Moderate Authorized environment. For more information, please visit www.synack.com.

We are looking for a Graduate Software Engineer (AI), where you'll take a hands-on lead in designing and building cutting-edge, AI-centric systems tailored for the offensive security sector. You will directly drive product innovation at the intersection of AI and cybersecurity. 

Sounds interesting? Keep reading...

Here’s what you'll do

  • Design, implement and deliver scalable AI-centric software systems
  • Help to drive the development of agentic AI capabilities for identifying vulnerabilities, automating penetration testing processes, workflow optimization and enhancing threat intelligence.
  • Own and drive the end-to-end development of product features from ideation to production deployment and monitoring.
  • Actively contribute to and drive the design and implementation of AI-enabled systems, promoting effective SDLC processes.
  • Be involved in technical discussions, code reviews and design sessions, sharing your expertise to uplift the team's capabilities.
  • Collaborate closely with cross-functional teams to integrate AI capabilities into broader systems and applications.

Here’s what you’ll need

  • A degree in a computing/technology discipline.
  • ~1yr of work/internship experience relevant to this role.
  • 3yrs hands-on experience with Python/Go
  • Some experience with AI technologies, e.g. LLMs, RAG, MCP, etc.
  • Some grasp of token usage optimisation and LLM cost optimisation techniques.
  • Strong experience and understanding of microservices, REST API design, gRPC, writing unit testing, BDD testing.
  • Strong design skills required – UML is a bonus; exposure to Domain Driven Design desirable.
  • Some experience with asynchronous messaging technologies such as Google PubSub, Kafka.
  • In depth knowledge of NoSQL and RDBMS technologies.
  • Strong experience with Docker, Kubernetes, Cloud Environments (GCP preferred).
  • Experience working on agile teams.
  • Excellent communication and collaboration skills in all mediums.
  • Experience working on and scaling a microservice-based application.
  • A proven ability to thrive in a collaborative environment involving different stakeholders and subject matter experts.

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. Synack strives to be inclusive of all people. 

As a candidate, Synack cares about your privacy. Please view our candidate privacy policy.

This position has responsibility to ensure Synack’s security and privacy posture is maintained.

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 US locations. The compensation package for this position may also include equity, and benefits.

For more details about our benefits, please see our benefits overview. Then for the Employer code, enter: synack

Apply at job-boards.greenhouse.io