Senior Software Engineer - Python Location: Toronto, ON, CA
How You’ll Make an Impact
Design, develop, and maintain robust Python-based backend services and APIs using FastAPI/asyncIO, and architect scalable data pipelines for ingestion, transformation, and delivery of large datasets
Build and manage streaming and event‑driven architectures using Apache Kafka, RabbitMQ, and AWS SQS, and deploy cloud infrastructure on AWS (Lambda, EC2, ECS, S3, RDS, DynamoDB)
Design and optimize both relational and non‑relational databases, and integrate AI/ML models and services, including LLMs and cloud AI APIs
Develop and maintain CI/CD pipelines, champion containerization with Docker and Kubernetes/ECS, and enforce version control best practices using GitHub
Establish and enforce coding standards, design patterns, and governance frameworks, including architecture decision records, API standards, and security best practices, promoting TDD and clean architecture principles
Lead Proof of Concept (POC) initiatives to evaluate new technologies and present trade‑off analyses and recommendations to stakeholders
Take full end‑to‑end ownership of critical applications, managing incidents, escalations, documentation, performance monitoring, and technical debt
Mentor and coach junior and mid‑level engineers through code reviews, knowledge‑sharing sessions, and tech talks, while contributing to technical roadmaps and platform strategy
Demonstrate strong soft skills including clear communication, collaboration, accountability, adaptability, and a continuous learning mindset
You May Be a Good Fit If
7+ years of professional software engineering experience with Python as the primary language
Strong experience with AWS services (e.g., Lambda, S3, ECS/EKS, SQS, RDS, DynamoDB, IAM)
Hands‑on experience building and maintaining CI/CD pipelines (GitHub Actions, CodePipeline, Jenkins, or equivalent)
Experience with dbt (Data Build Tool), Airflow, or similar data pipeline orchestration tools
Proficiency with GitHub workflows, pull requests, and collaborative development practices
Experience with relational databases (e.g., PostgreSQL, Oracle) including query optimization and schema design
Experience with non‑relational databases (e.g., MongoDB, DynamoDB, Redis, Elasticsearch)
Practical experience with message brokers and streaming platforms (Apache Kafka, RabbitMQ, AWS SQS/SNS)
Experience building RESTful/GraphQL APIs with FastAPI (or equivalent frameworks such as Flask/Django REST/asyncIO)
Experience designing and building data pipelines (batch and/or real‑time)
AI fluency – familiarity with integrating AI/ML services, LLM APIs (e.g., OpenAI, AWS Bedrock), or building AI‑powered features
Demonstrated experience owning and delivering end‑to‑end applications in a production environment
Proven track record of mentoring engineers and contributing to team growth
Experience leading or contributing to POC initiatives and translating outcomes into actionable decisions
Strong understanding of software governance, coding standards, and engineering best practices
What Would Make You Stand Out
Experience with Infrastructure as Code (Terraform, AWS CDK, or CloudFormation)
Familiarity with Apache Spark or other distributed processing frameworks
Experience with dbt, Airflow, or similar data pipeline orchestration tools
Knowledge of MLOps practices and model deployment
Experience working in Agile/Scrum environments
Familiarity with observability tools (e.g., Datadog, Grafana, OpenTelemetry)
Familiarity with data visualization tools like Qlik Sense, Power BI, Amazon Quick
Why Choose Fitch
Hybrid Work Environment : 2 to 3 days a week in office required based on your line of business and location
A Culture of Learning & Mobility : Dedicated trainings, leadership development and mentorship programs designed to ensure that your time at Fitch will be a continuous learning opportunity
Investing in Your Future : Retirement planning, financial wellness and tuition reimbursement programs that empower you to achieve your short and long‑term goals
Promoting Health & Wellness : Comprehensive healthcare offerings that prioritize a healthy body & mind
Supportive Parenting Policies : Family‑first policies, including a generous global parental leave plan, designed to help you balance career and family life effectively
Dedication to Giving Back : Paid volunteer days and support for community engagement initiatives
Fitch is committed to providing global securities markets with objective, timely, independent and forward‑looking credit opinions. To protect Fitch’s credibility and reputation, our employees must take every precaution to avoid conflicts of interests or any appearance of a conflict of interest. Should you be successful in the recruitment process at Fitch Ratings you will be asked to declare any securities holdings and other potential conflicts prior to commencing employment. If you, or your immediate family, have any holdings that may conflict with your work responsibilities, you may be asked to divest yourself of them before beginning work.
Fitch is proud to be an Equal Opportunity and Affine Action Employer. We evaluate qualified applicants without regard to race, color, national origin, religion, sex, sexual orientation, gender identity, disability, protected veteran status, and other statuses protected by law.
For Toronto roles only.
Expected base pay rates for the role will be between CAD 130,000 and CAD 180,000 per year. Actual salaries will be determined on an individualized basis and may vary based on factors including but not limited to education, training, experience, past performance, and other job‑related factors. Base pay is one part of Fitch’s total compensation package, which, depending on the position, may also include commission earnings, discretionary bonuses, long‑term incentives and other benefits sponsored by Fitch.
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How You’ll Make an Impact
Design, develop, and maintain robust Python-based backend services and APIs using FastAPI/asyncIO, and architect scalable data pipelines for ingestion, transformation, and delivery of large datasets
Build and manage streaming and event‑driven architectures using Apache Kafka, RabbitMQ, and AWS SQS, and deploy cloud infrastructure on AWS (Lambda, EC2, ECS, S3, RDS, DynamoDB)
Design and optimize both relational and non‑relational databases, and integrate AI/ML models and services, including LLMs and cloud AI APIs
Develop and maintain CI/CD pipelines, champion containerization with Docker and Kubernetes/ECS, and enforce version control best practices using GitHub
Establish and enforce coding standards, design patterns, and governance frameworks, including architecture decision records, API standards, and security best practices, promoting TDD and clean architecture principles
Lead Proof of Concept (POC) initiatives to evaluate new technologies and present trade‑off analyses and recommendations to stakeholders
Take full end‑to‑end ownership of critical applications, managing incidents, escalations, documentation, performance monitoring, and technical debt
Mentor and coach junior and mid‑level engineers through code reviews, knowledge‑sharing sessions, and tech talks, while contributing to technical roadmaps and platform strategy
Demonstrate strong soft skills including clear communication, collaboration, accountability, adaptability, and a continuous learning mindset
You May Be a Good Fit If
7+ years of professional software engineering experience with Python as the primary language
Strong experience with AWS services (e.g., Lambda, S3, ECS/EKS, SQS, RDS, DynamoDB, IAM)
Hands‑on experience building and maintaining CI/CD pipelines (GitHub Actions, CodePipeline, Jenkins, or equivalent)
Experience with dbt (Data Build Tool), Airflow, or similar data pipeline orchestration tools
Proficiency with GitHub workflows, pull requests, and collaborative development practices
Experience with relational databases (e.g., PostgreSQL, Oracle) including query optimization and schema design
Experience with non‑relational databases (e.g., MongoDB, DynamoDB, Redis, Elasticsearch)
Practical experience with message brokers and streaming platforms (Apache Kafka, RabbitMQ, AWS SQS/SNS)
Experience building RESTful/GraphQL APIs with FastAPI (or equivalent frameworks such as Flask/Django REST/asyncIO)
Experience designing and building data pipelines (batch and/or real‑time)
AI fluency – familiarity with integrating AI/ML services, LLM APIs (e.g., OpenAI, AWS Bedrock), or building AI‑powered features
Demonstrated experience owning and delivering end‑to‑end applications in a production environment
Proven track record of mentoring engineers and contributing to team growth
Experience leading or contributing to POC initiatives and translating outcomes into actionable decisions
Strong understanding of software governance, coding standards, and engineering best practices
What Would Make You Stand Out
Experience with Infrastructure as Code (Terraform, AWS CDK, or CloudFormation)
Familiarity with Apache Spark or other distributed processing frameworks
Experience with dbt, Airflow, or similar data pipeline orchestration tools
Knowledge of MLOps practices and model deployment
Experience working in Agile/Scrum environments
Familiarity with observability tools (e.g., Datadog, Grafana, OpenTelemetry)
Familiarity with data visualization tools like Qlik Sense, Power BI, Amazon Quick
Why Choose Fitch
Hybrid Work Environment : 2 to 3 days a week in office required based on your line of business and location
A Culture of Learning & Mobility : Dedicated trainings, leadership development and mentorship programs designed to ensure that your time at Fitch will be a continuous learning opportunity
Investing in Your Future : Retirement planning, financial wellness and tuition reimbursement programs that empower you to achieve your short and long‑term goals
Promoting Health & Wellness : Comprehensive healthcare offerings that prioritize a healthy body & mind
Supportive Parenting Policies : Family‑first policies, including a generous global parental leave plan, designed to help you balance career and family life effectively
Dedication to Giving Back : Paid volunteer days and support for community engagement initiatives
Fitch is committed to providing global securities markets with objective, timely, independent and forward‑looking credit opinions. To protect Fitch’s credibility and reputation, our employees must take every precaution to avoid conflicts of interests or any appearance of a conflict of interest. Should you be successful in the recruitment process at Fitch Ratings you will be asked to declare any securities holdings and other potential conflicts prior to commencing employment. If you, or your immediate family, have any holdings that may conflict with your work responsibilities, you may be asked to divest yourself of them before beginning work.
Fitch is proud to be an Equal Opportunity and Affine Action Employer. We evaluate qualified applicants without regard to race, color, national origin, religion, sex, sexual orientation, gender identity, disability, protected veteran status, and other statuses protected by law.
For Toronto roles only.
Expected base pay rates for the role will be between CAD 130,000 and CAD 180,000 per year. Actual salaries will be determined on an individualized basis and may vary based on factors including but not limited to education, training, experience, past performance, and other job‑related factors. Base pay is one part of Fitch’s total compensation package, which, depending on the position, may also include commission earnings, discretionary bonuses, long‑term incentives and other benefits sponsored by Fitch.
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