Senior Software Engineer

Remote, USA
Posted Jun 12, 2026
Full-time

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.

Are you ready to leverage your software development skills to build a platform that is transforming cybersecurity? As a Senior Software Engineer, Backend you will be part of a fast-paced, collaborative team developing our attack surface intelligence capabilities. You will be a critical contributor to the development and integration of reconnaissance technologies and products while also moving forward the state of  engineering best practices in our cybersecurity platform.  If you enjoy pivoting between different problems and meeting new challenges every day while developing solutions that are mission critical to the organization, this role is for you! Sounds interesting? Keep reading…

Please note: This is a remote position based in the U.S. We can only hire U.S. citizens for this position due to federal government contract requirements.

Here’s what you'll do

Develop and integrate cybersecurity testing and analysis systems with best-in-class cybersecurity platform

Build high-performance, resilient, scalable cloud-based software, 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 Platform Engineering

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 

Here’s what you’ll need

7+ years of experience in distributed-systems and backend software engineering

Strong Golang Required: 7+ years of experience minimum.

Strong experience and understanding of microservices, REST API design, gRPC, 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 developing scalable and observable microservice-based applications

Experience with GitOps and DevOps principles, practices and tools

A proven ability to thrive in a collaborative environment involving different stakeholders and subject matter experts

Nice to have

Interest in security / penetration testing

Interest in GenAI and LLM technologies 

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 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 US 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

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