Senior Software Engineer, Backend

Synack, Inc.

full-time

Posted on: 9/16/2025

Origin: • 🇺🇸 United States

✨ AI Apply

💰 $140,000 - $180,000 per year

Senior

CloudCyber SecurityDockerGoGoogle Cloud PlatformGRPCJavaKafkaKubernetesMicroservicesNoSQLRDBMSRust

About the role

Develop and integrate cybersecurity testing and analysis systems with best-in-class cybersecurity platform
Build high-performance, resilient, scalable cloud-based software, utilizing AI technologies, microservices architecture and containers
Take software through CI/CD all the way to production and own its quality and availability
Utilize GCP platform to build and run highly-available software systems
Identify and resolve performance issues across systems and components
Collaborate on a cross-functional team, working with Product, Operations, and DevOps
Integrate monitoring and alerting capabilities with backend modules to allow proactive improvements to availability and response times
Design, implement and deliver well-tested, scalable, highly available systems
Own and ideate technical solutions for product requirements and user stories
Actively engage and participate in design and code reviews
Offer guidance and support to junior team members, encouraging and cultivating a culture of continuous learning within the team
Ensure Synack's security and privacy posture is maintained

5+ years of experience in distributed-systems and backend software engineering
Experience with AI technologies, e.g. LLMs, RAG, MCP, etc.
Recent experience with golang preferred; candidates with expertise in Java, C#, Rust, C/C++ considered if committed to transition to golang
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
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
U.S. citizenship required (can only hire U.S. citizens due to federal government contract requirements)