Python Developer at Fiserv, Inc

Job Description

Responsibilities
Requisition ID: R
Date posted: 10/08/2025
End Date: 12/03/2025
City: Toronto
State/Region: Ontario
Country: Canada
Location Type: Onsite

Calling all innovators find your future at Fiserv.

Were 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, were involved. If you want to make an impact on a global scale, come make a difference at Fiserv.

Job Title

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 pace customer centric environment.
• 5 years of experience in software development.
• Excellent communication and organization skills.
• Proven experience using code repositories such as GitHub.
• Bachelors degree in Computer Science, Software Engineering, or equivalent.
• Familiar with Unix-like environments.

propos de votre rle :

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

Responsabilits et fonctions

• Concevoir et livrer des fonctionnalits et amliorations de haute qualit.
• Assurer la livraison complte de grandes fonctionnalits au sein de votre quipe, pouvant s'tendre sur 3 mois ou plus.
• Rdiger des spcifications techniques en collaboration avec les autres membres de l'quipe d'ingnierie.
• Fournir des estimations et participer activement au processus de planification des sprints.
• Produire des solutions hautement scurises.
• Optimiser la performance de notre systme distribu afin de garantir son fonctionnement conformment nos SLA.
• Examiner le code des autres ingnieurs.
• Encadrer les autres ingnieurs pour crer de bonnes solutions techniques aux problmes et livrer rapidement le code nos clients.

Qualifications et comptences

• Exprience avec Python, Flask et Django.
• Exprience avec l'informatique en nuage et les systmes distribus bass sur des conteneurs (Docker ou Podman).
• Exprience de travail avec des bases de donnes relationnelles (de prfrence MySQL) et grande matrise de SQL.
• Des concepts avancs des SGBDR (verrouillage et modle de transaction, niveaux d'isolation, interblocages, etc.).
• Exprience significative avec au moins un langage de programmation orient objet typage dynamique (prfrence pour Python).
• Excellente comprhension des systmes distribus et de l'architecture micro-services.
• Exprience pratique de l'utilisation de brokers de messages tels que RabbitMQ.
• Comprhension approfondie du dveloppement d'API RESTful.
• Capacit dmontre travailler dans un environnement rapide et centr sur le client.
• Plus de 5 ans d'exprience en dveloppement logiciel.
• Excellentes comptences en communication et en organisation.
• Exprience avre de l'utilisation de dpts de code tels que GitHub.
• Baccalaurat en informatique, gnie logiciel ou quivalent.
• Familiarit avec Unix.

#LI-JS1

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.

---