Python Application Developer Jobs in Toronto, ON

Clio is the global leader in legal AI technology, empowering legal professionals and law firms of every size to work smarter, faster, and more securely.

We are transforming the legal experience for all by bettering the lives of legal professionals while increasing access to justice.

What your team does:

We are currently seeking an Application Security Engineer to join our rapidly growing Security team. The Application Security team is responsible for emulating real-world adversaries to proactively discover, exploit, and help remediate critical security vulnerabilities across our applications. We provide a vital adversarial perspective, challenging our defences and partnering with development teams to eliminate flaws before they can be exploited.
This role is for someone who is passionate about building innovative solutions and being exposed to new challenges and technologies while making an impact. This role is available to candidates across Canada (excluding Quebec). If you are local to one of our hubs (Burnaby, Calgary, or Toronto), you will be expected to be in office a minimum of two days per week for our Anchor Days.

• Write, review, debug, and implement tools to help developers avoid security flaws;

• Build partnerships with development teams and advise on security best practices;

• Contribute to collective developer education by driving security awareness and knowledge amongst the product organization;

• Provide detailed guidance and support to teams in vulnerability remediation, and develop frameworks, guidelines, and systematic fixes for recurring vulnerabilities;

• Resolve issues, navigate ambiguity, and maintain positive working relationships with researchers in our Bug Bounty program;

• Identify and implement tools for automated application scanning, static analysis and related tools;

• Perform penetration testing, and offensive campaigns against internal assets;

• Perform reactive incident response and forensics when a security event occurs;

• Perform proactive research to detect new attack vectors;

• Elevate and educate our security culture within Clio, contributing to our cultural values;

• Experience in Application or Product Security, with a focus on offensive security and penetration testing

• Hands-on expertise identifying and exploiting complex vulnerabilities (e.g., SSRF, Deserialization, logic bypasses)

• Proven ability to lead and conduct formal threat modeling sessions

• Strong proficiency in at least one major programming language (e.g., Python, .NET, Ruby, JavaScript)

• Experience securing applications in modern cloud environments (AWS, Azure, or GCP)

• Expertise with common application security tools and platforms (e.g., Burp Suite, SAST, SCA)

• Experience with log aggregation and SIEM technologies

• Ability to identify malicious behaviour and emerging threats via log analysis

• Demonstrate a keen interest in improving your craft by using AI

• Security certifications such as OSCP or OSWE

• Active participation in the security community (e.g., presenting at conferences, contributing to open-source tools).

• Experience with Ruby on Rails, Puppet, Kubernetes, Terraform, ELK (Elastic, Logtash and Kibana)

• Strong AWS security experience on EC2 and managed services

• Infrastructure security (WAF, ACLs, authentication, device hardening)

What you will find here:

Compensation is one of the main components of Clio's Total Rewards Program. We have developed a series of programs and processes to ensure we are creating fair and competitive pay practices that form the foundation of our human and high-performing culture.

Some highlights of our Total Rewards program include:

• Competitive, equitable salary with top-tier health benefits, dental, and vision insurance

• Hybrid work environment, with expectation for local Clions (Vancouver, Calgary, Toronto, Dublin, London, New York City and Sydney) to be in office min. twice per week.

• Flexible time off policy, with an encouraged 20 days off per year.

• $2000 annual counseling benefit

• RRSP matching and RESP contribution

• Clioversary recognition program with special acknowledgement at 3, 5, 7, and 10 years

*Our salary bands are designed to reflect the range of skills and experience needed for the position and to allow room for growth at Clio. For experienced individuals, we typically hire at or around the midpoint of the band. The top portion of the salary band is reserved for employees who demonstrate sustained high performance and impact at Clio. Those who are new to the role may join below the midpoint and develop their skills over time. The final offer amount for this role will be dependent on geographical region, applicable experience, and skillset of the candidate.

Diversity, Inclusion, Belonging and Equity (DIBE) & Accessibility

Our team shows up as their authentic selves, and are united by our mission. We are dedicated todiversity, equity and inclusion. We pride ourselves in building and fostering an environment where our teams feel included, valued, and enabled to do the best work of their careers, wherever they choose to log in from. We believe that different perspectives, skills, backgrounds, and experiences result in higher-performing teams and better innovation. We are committed to equal employment and we encourage candidates from all backgrounds to apply.

Clio provides accessibility accommodations during the recruitment process. Should you require any accommodation, please let us know and we will work with you to meet your needs.

Learn more about our culture atclio.com/careers

We're a Human and High Performing AI company, meaning we use artificial intelligence to improve all of our operations. In recruitment, AI helps us streamline the process for greater efficiency. However, we've built our systems to ensure that a human always reviews AI-generated output, and we never make automated hiring decisions.

Disclaimer: We only communicate with candidates through official @clio.com email addresses.