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Python Flask Jobs in Ontario (NOW HIRING)

Experience with Python, Flask, and Django. * Experience with cloud computing and container-based distributed systems (Docker or Podman). * Experience working with relational databases (preferably ...

New

We have a well-documented micro-architecture service written in either Python (Flask) or Rails API using GraphQL. Our front-end consumes the GQL endpoints with Apollo Client, React Hooks, Functional ...

Python with Flask \n * Experience build web apps and APIs (3\-5 years should be sufficient) \n * Strong communication skills \n * Test automation experience would be a distinct advantage \n \n \n \n ...

While our primary stack is Python (Flask), we embrace any technology that delivers value. You might rewrite a microservice from Go to Python, craft a script in Ruby, or leverage a new cloud service ...

... whatever they require (Django\/Flask etc.) as long as it's wrapped in a microservice. \n \n \n \n \n \n The Person \n \n \n \n \n \n * Around 5+ years' Python Development experience \n

Understanding of frameworks like Django or Flask is helpful * Experience with containerization and cloud technologies * Bachelor's degree or equivalent experience Apply your Python development skills ...

New

Framework, Python, Flask Relational and NoSQL databases such as Postgres, Redis, Firestore, BigQuery, OLAP Functional programming - Typescript, Scala and AKKA/Pekko, or the desire to elevate your ...

New

Responsibilities Design, develop, and maintain scalable Python-based applications and services Lead ... Flask, or FastAPI) Strong understanding of RESTful API design and development Experience with ...

Responsibilities Design, develop, and maintain scalable Python-based applications and services Lead ... Flask, or FastAPI) Strong understanding of RESTful API design and development Experience with ...

TYPE: 12-month contract SKILLS: 5+ Cloud Data Migration Engineer, Snowflake, Azure AKS, Python, Flask, FastAPI, Django, SQL, SSIS, Oracle, Airflow, SQL, SSIS, DBT (Data Build Tool), Jenkins, ETL, ...

New

... Python ... FastAPI, Flask, Pandas, Scikit‑learn, Hugging Face; Node.js: Express, NestJS; TypeScript). * 3+ ...

New

Architect, design, and evolve RESTful APIs and backend services using Node.js (Express) and Python (Flask) in high-scale, global environments * Lead the development of scalable, resilient backend ...

Strong proficiency in Python and modern API frameworks (FastAPI, Flask, or similar). * Solid experience with SQL and relational databases (PostgreSQL, SQL Server, Snowflake, etc.). * Experience ...

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Python Flask information

See Ontario salary details

$54K

$135.5K

$191.5K

How much do python flask jobs pay per year?

As of Jul 8, 2026, the average yearly pay for python flask in Ontario is $135,506.00, according to ZipRecruiter salary data. Most workers in this role earn between $116,000.00 and $155,000.00 per year, depending on experience, location, and employer.

What are some typical daily responsibilities for a Python Flask developer?

As a Python Flask developer, your daily tasks often include designing and building web application features, developing and maintaining RESTful APIs, and troubleshooting code issues. You'll frequently collaborate with front-end developers, QA engineers, and product managers to ensure seamless integration and alignment with project goals. Keeping codebases well-documented and participating in code reviews are also common aspects of the role. Additionally, you'll likely be involved in deploying applications to production environments and staying updated with industry best practices for security and performance.

What is a Python Flask job?

A Python Flask job typically involves developing web applications using the Flask framework, a lightweight and flexible web framework for Python. Responsibilities may include building APIs, handling request-routing, integrating with databases, and deploying applications. Flask developers often work with front-end technologies and cloud platforms to create scalable and efficient web solutions.

What are the key skills and qualifications needed to thrive in the Python Flask position, and why are they important?

To thrive as a Python Flask developer, you need a strong command of Python programming, a thorough understanding of Flask web framework concepts, and experience with RESTful API design and implementation. Familiarity with tools such as Git, Docker, and relational databases, as well as certifications in web development or related fields, are often beneficial. Excellent problem-solving skills, effective communication, and the ability to work collaboratively in agile teams set standout candidates apart. These skills ensure high-quality, scalable application development and efficient teamwork in a dynamic tech environment.

What job categories do people searching Python Flask jobs in Ontario look for? The top searched job categories for Python Flask jobs in Ontario are:
Infographic showing various Python Flask job openings in Ontario as of July 2026, with employment types broken down into 1% As Needed, 89% Full Time, 3% Part Time, 6% Contract, and 1% Summer. Highlights an 81% Physical, 6% Hybrid, and 13% Remote job distribution, with an average salary of $135,506 per year, or $65.1 per hour.

Senior Python Developer

Monitise

Toronto, ON

Full-time

Posted 2 days ago


Job description

Calling all innovators - find your future at Fiserv.

We're Fiserv, a global leader in Fintech and payments, and we move money and information in a way that moves the world. We connect financial institutions, corporations, merchants, and consumers to one another millions of times a day - quickly, reliably, and securely. Any time you swipe your credit card, pay through a mobile app, or withdraw money from the bank, we're involved. If you want to make an impact on a global scale, come make a difference at Fiserv.

Job Title

Senior Python Developer

About your role:
At Fiserv, we are dedicated to transforming financial services technology to benefit our clients. As a Software Development Engineer, you will play a critical role in designing, developing, and maintaining high-quality software applications. You will work with cross-functional teams to deliver solutions that align with our business goals and client needs.

Responsibilities and Duties
  • Design and deliver high-quality features and enhancements.
  • Own the end-to-end delivery of large features within your team that could span 3+ months.
  • Create technical design specifications in collaboration with other members of the engineering team.
  • Provide estimates and actively participate in the sprint planning process.
  • Produce highly secure solutions.
  • Tune the performance of our distributed system to ensure they operate within our SLAs.
  • Peer review other engineers' code.
  • Mentor other engineers to create good technical solutions to problems and ship code quickly to our customers.
Qualifications and Skills
  • Experience with Python, Flask, and Django.
  • Experience with cloud computing and container-based distributed systems (Docker or Podman).
  • Experience working with relational databases (preferably MySQL) and high proficiency with SQL.
  • Understanding of higher-level RDBMS concepts (locking and transaction model, isolation levels, deadlocks, etc.).
  • Significant experience with at least one dynamically typed, object-oriented programming. language (preference for Python).
  • Great understanding of distributed systems and micro-service architecture.
  • Hands-on experience in using message brokers such as RabbitMQ.
  • Deep understanding of restful API development.
  • Demonstrated ability to work in a fast-paced customer centric environment.
  • 5+ years of experience in software development.
  • Excellent communication and organization skills.
  • Proven experience using code repositories such as GitHub.
  • Bachelor's degree in computer science, software engineering, or equivalent.
  • Familiar with Unix-like environments.

A propos de votre role :

Chez Fiserv, nous nous consacrons a la transformation de la technologie des services financiers au profit de nos clients. En tant qu'ingenieur en developpement logiciel, vous jouerez un role essentiel dans la conception, le developpement et la maintenance d'applications logicielles de haute qualite. Vous collaborerez avec des equipes interfonctionnelles pour fournir des solutions qui correspondent a nos objectifs commerciaux et aux besoins de nos clients.

Responsabilites et fonctions

  • Concevoir et livrer des fonctionnalites et ameliorations de haute qualite.Assurer la livraison complete de grandes fonctionnalites au sein de votre equipe, pouvant s'etendre sur 3 mois ou plus.
  • Rediger des specifications techniques en collaboration avec les autres membres de l'equipe d'ingenierie.
  • Fournir des estimations et participer activement au processus de planification des sprints.
  • Produire des solutions hautement securisees.
  • Optimiser la performance de notre systeme distribue afin de garantir son fonctionnement conformement a nos SLA.
  • Examiner le code des autres ingenieurs.
  • Encadrer les autres ingenieurs pour creer de bonnes solutions techniques aux problemes et livrer rapidement le code a nos clients.

Qualifications et competences

  • Experience avec Python, Flask et Django.
  • Experience avec l'informatique en nuage et les systemes distribues bases sur des conteneurs (Docker ou Podman).
  • Experience de travail avec des bases de donnees relationnelles (de preference MySQL) et grande maitrise de SQL.
  • des concepts avances des SGBDR (verrouillage et modele de transaction, niveaux d'isolation, interblocages, etc.).
  • Experience significative avec au moins un langage de programmation oriente objet a typage dynamique (preference pour Python).
  • Excellente comprehension des systemes distribues et de l'architecture micro-services.
  • Experience pratique de l'utilisation de brokers de messages tels que RabbitMQ.
  • Comprehension approfondie du developpement d'API RESTful.Capacite demontree a travailler dans un environnement rapide et centre sur le client.
  • Plus de 5 ans d'experience en developpement logiciel.
  • Excellentes competences en communication et en organisation.Experience averee de l'utilisation de depots de code tels que GitHub.
  • Baccalaureat en informatique, genie logiciel ou equivalent.
  • Familiarite avec Unix.

#LI-IH1

This posting is for an existing vacancy.

Salary Range:

$114,400.00-$143,000.00

Thank you for considering employment with Fiserv. Please:

  • Apply using your legal name

  • Complete the step-by-step profile and attach your resume (either is acceptable, both are preferable).

Our commitment to Diversity and Inclusion:

Fiserv is proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, gender, gender identity, sexual orientation, age, disability, protected veteran status, or any other category protected by law.

Note to agencies:

Fiserv does not accept resume submissions from agencies outside of existing agreements.Please do not send resumes to Fiserv associates. Fiserv is not responsible for any fees associated with unsolicited resume submissions.

Warning about fake job posts:

Please be aware of fraudulent job postings that are not affiliated with Fiserv. Fraudulent job postings may be used by cyber criminals to target your personally identifiable information and/or to steal money or financial information. Any communications from a Fiserv representative will come from a legitimate Fiserv email address.