Senior software developer Jobs in Kitchener, ON

At Arctic Wolf, you won’t just watch the cybersecurity industry evolve – you'll help lead the change. Our global Pack is made up of people who thrive on solving hard problems, moving fast, and building technology that protects organizations around the world. We’re proud to be recognized by Forbes, CNBC, Fortune, CRN, Bartner Peer Insights and IDC MarketScape – but what matters most is the work behind it: delivering real outcomes for customers through award winning innovation like our Aurora Platform.

If you’re looking for meaningful work, smart teammates and the chance to make a real impact in a high-growth company that’s redefining security operations, Arctic Wolf is the right place for you!

Our mission is simple: End Cyber Risk. We’re looking for a Senior Developer to be part of making that happen.

About the Role

In this role, you will help design, build, and enhance mission-critical services that support event enrichment, detection, correlation, stream processing, and pipeline orchestration at massive scale. Working at the edge of cloud-native system limits, you will tackle challenging distributed systems problems and contribute to the ongoing evolution of our platform as we continue to scale performance, flexibility, and detection effectiveness in an increasingly sophisticated, AI-driven threat landscape.

About the Team

Arctic Wolf’s R&D organization builds the systems that power our security operations platform. The Real-Time Processing Platform Team is responsible for many of the core systems used to enrich, process, correlate, and analyze data that drives detection and analytics across the platform.

You will be part of a team working on foundational systems that directly impact multiple areas of the platform, helping ensure reliability, data quality, and adaptability as requirements evolve.

The team works closely with threat researchers, detection engineers, and security experts across Arctic Wolf. We build the platforms, frameworks, and real-time processing engines that transform security expertise into scalable detections, enabling security experts to express increasingly sophisticated detection logic at scale while helping Arctic Wolf identify and respond to threats across trillions of events per day.

Responsibilities

• Design, develop, and enhance core components of Arctic Wolf’s real-time detection and event processing platform.

• Build and evolve large-scale distributed systems that process and analyze trillions of events per day in near real-time.

• Develop capabilities across event processing systems, detection frameworks, event correlation platforms, and stream-processing infrastructure.

• Solve complex engineering challenges related to scalability, reliability, performance, latency, throughput, and cost efficiency in cloud-native environments.

• Contribute to the architecture and technical direction of next-generation platform capabilities.

• Deliver high-quality, production-ready software and operate systems at massive scale.

• Collaborate with cross-functional teams to continuously improve platform effectiveness and operational excellence.

• Mentor and support other developers while fostering a culture of ownership, quality, and continuous improvement.

About You

• 5-10+ years of professional software development experience.

• Proven experience designing, building, and operating complex distributed systems at scale.

• Strong background in real-time data processing architectures and high-throughput systems.

• Experience delivering production systems end-to-end and driving complex technical initiatives with a high degree of autonomy.

• Strong programming skills in one or more languages such as Golang, Python, or Java.

• Experience building and deploying services in cloud environments such as AWS, Azure, or GCP.

• Proficiency with modern containerized technologies, including Docker and Kubernetes.

• Comfortable working within microservices architectures and CI/CD environments.

• Experience with technologies such as Apache Kafka, Apache Flink, Spark, Redpanda, RabbitMQ, SQS, or similar event-streaming and messaging platforms is an asset.

• Exposure to cybersecurity, observability, telemetry, or other data-intensive platforms is preferred.

• Passionate about building high-quality software and solving complex engineering problems at extreme scale.

• Interested in working at the intersection of large-scale data systems and cybersecurity.

On-Camera Policy
To support a fair, transparent, and engaging interview experience, candidates interviewing remotely are expected to be on camera during all video interviews. Being on camera fosters authentic connection, improves communication, and allows for full engagement from both candidates and interviewers. We understand that technical, bandwidth, or location-related challenges may occasionally prevent video use. If this applies, candidates are required to notify us in advance so we can explore appropriate accommodations.

About Arctic Wolf

At Arctic Wolf, we foster a collaborative and inclusive work environment that thrives on diversity of thought, background, and culture. This is reflected in our multiple awards, including Top Workplace USA (2021-2024), Best Places to Work – USA (2021-2024), Great Place to Work – Canada (2021-2024), Great Place to Work – UK (2024), and Kununu Top Company – Germany (2024). Our commitment to bold growth and shaping the future of security operations is matched by our dedication to customer satisfaction, with over 7,000 customers worldwide and more than 2,000 channel partners globally. As we continue to expand globally and enhance our technology, Arctic Wolf remains the most trusted name in the industry.

Our Values

Arctic Wolf recognizes that success comes from delighting our customers, so we work together to ensure that happens every day. We believe in diversity and inclusion and truly value the unique qualities and unique perspectives all employees bring to the organization. And we appreciate that—by protecting people’s and organizations’ sensitive data and seeking to end cyber risk— we get to work in an industry that is fundamental to the greater good.

We celebrate unique perspectives by creating a platform for all voices to be heard through our Pack Unity program. We encourage all employees to join or create a new alliance. See more about our Pack Unity .

We also believe and practice corporate responsibility, and have recently joined the Pledge 1% Movement, ensuring that we continue to give back to our community. We know that through our mission to End Cyber Risk we will continue to engage and give back to our communities.

All wolves receive compelling compensation and benefits packages, including:

• Equity for all employees

• Flexible time off and paid volunteer days

• RRSP and 401k match

• Training and career development programs

• Comprehensive private benefits plan including medical, mental health, dental, disability, life and AD&D, and value-added services

• Robust Employee Assistance Program (EAP) with mental health services

• Fertility support and paid parental leave

Arctic Wolf is an Equal Opportunity Employer and considers applicants for employment without regard to race, color, religion, sex, orientation, national origin, age, disability, genetics, or any other basis forbidden under federal, provincial, or local law. Arctic Wolf is committed to fostering a welcoming, accessible, respectful, and inclusive environment ensuring equal access and participation for people with disabilities. As such, we strive to make our entire employee experience as accessible as possible and provide accommodations as required for candidates and employees with disabilities and/or other specific needs where possible. Please let us know if you require any accommodations by emailing

Security Requirements

• Conducts duties and responsibilities in accordance with AWN’s Information Security policies, standards, processes, and controls to protect the confidentiality, integrity and availability of AWN business information (in accordance with our employee handbook and corporate policies).

• Background checks are required for this position.

The base salary range for this job family is 75,000 to 246,000 CAD annually. This range reflects the base pay the company reasonably expects to offer for this position, aligned to the broader job family base pay structure. Actual base pay may vary based on skills, experience, and location, including job family level. In addition to base pay, Arctic Wolf offers variable incentive compensation, new hire equity grants, and a comprehensive benefits package.