Senior Application Developer- Python (Global Security)

Job Description

What is the opportunity?

The SIAI Digital Development team is constantly undertaking complex development initiatives within Global Cyber Security. In this role, you will be a full-stack developer within the SIAI Digital Development team, responsible for designing and implementing software solutions across multiple platforms. Our Digital Development team designs, architects, and builds bespoke solutions to support forward-thinking and industry leading initiatives from JSOC’s Cyber & Digital Threat Hunting, Cyber Analytics, Adversary Emulation, Data Loss Prevention teams. The role involves coordination, development, communication and execution to ensure objectives are accomplished on time and meeting intents.

What will you do?

• Design, develop, and deploy high-performance, scalable software solutions using Python and Python frameworks.
• Drive cloud initiatives by designing and optimizing solution on platforms like OCP, Azure or AWS.
• Conduct code reviews, provide constructive feedback, and ensure adherence to coding standards.
• Mentor junior engineers, foster knowledge sharing, and encourage technical growth within the team.
• Troubleshoot and resolve technical issues while monitoring and improving the overall systems health.

What do you need to succeed?

Must-have

• 7+ years of experience in software development or engineering, with a deep understanding of system design and architecture.
• Advanced expertise in Python development, including design patterns, unit testing, debugging, and frameworks (Django, FastApi, Flask).
• Strong experience in cloud (OCP, Azure, AWS) and containerization (Docker, Kubernetes).
• Knowledge of database systems (SQL, NoSQL), web frameworks, and RESTful API development.
• Proven experience in gathering and documenting technical requirements, with a strong focus on clarity and precision.

Nice-to-have

• Experience in working with Frontend framework such asVue.js and related front-end tech stack (HTML, CSS, JavaScript/Typescript).
• Knowledge of CI/CD and DevOps tools such as Jenkins, GIT, GitHub Actions.
• Exposure to monitoring and logging tools like ELK, Dynatrace, or Grafana.
• Understanding of security best practises and implementing secure coding techniques.
• Experience with event-driven architecture
• Good knowledge of Gen AI tools and agentic engineering
• Comfortable working and thriving in a fast-paced environment with ambiguity.

What’s in it for you?

We thrive on the challenge to be our best, progressive thinking to keep growing, and working together to deliver trusted advice to help our clients thrive and communities prosper. We care about each other, reaching our potential, making a difference to our communities, and achieving success that is mutual.

• Opportunity to develop industry-leading solutions that target cyber security concerns within a mature organization
• A comprehensive Total Rewards Program including bonuses and flexible benefits, competitive compensation, commissions, and stock where applicable
• Leaders who support your development through coaching and managing opportunities
• Ability to make a difference and lasting impact
• Work in a dynamic, collaborative, progressive, and high-performing team
• A world-class training program in financial services
• Flexible work/life balance options
• Opportunities to do challenging work

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Job Skills

Active Learning, Agile Methodology, Application Integrations, Detail-Oriented, Enterprise Application Delivery, Group Problem Solving, Programming Languages, Software Development Life Cycle (SDLC)

Additional Job Details

Address:

16 YORK ST:TORONTOCity:

TorontoCountry:

CanadaWork hours/week:

37.5Employment Type:

Full timePlatform:

TECHNOLOGY AND OPERATIONSJob Type:

RegularPay Type:

SalariedPosted Date:

2026-07-29Application Deadline:

2026-08-29Note: *Applications will be accepted until 11:59 PM on the day prior to the application deadline date above*

Our Employment Opportunities

At the company, we are guided by living shared values of Client First, Integrity, Collaboration, Respect and Excellence and winning together as One the company. We believe an inclusive workplace that has diverse perspectives is core to our continued growth as one of the largest and most successful banks in the world. Maintaining a workplace where our employees feel supported to perform at their best, effectively collaborate, drive innovation, and grow professionally helps to bring our Purpose to life and create value for our clients and communities. the company strives to deliver this through policies and programs intended to foster a workplace based on respect, belonging and opportunity for all.

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