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Apps Dev Intmd Programmer Analyst
Citi
Mississauga, ON
- Full-time
We are seeking a talented and passionate Junior Developer to join our Operations Workbench team. You will be a key contributor to the development of our new, cutting-edge platform. You will…
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Apps Dev Intmd Programmer Analyst
Citi
Mississauga, ON
- Full-time
We are seeking a senior Full Stack developer with strong data/event-driven design and implementation skills to implement our next generation Markets Technology.
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Implementation Manager - ECP, Grants
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ON · Oakville, Ontario
- Full-time
Core responsibilities apply across both levels. Senior-level candidates lead more complex engagements and take on greater internal ownership.
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Software Engineer
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Montreal, QC
- Full-time
We are seeking a Python Software Engineer to join one of our delivery teams working on AI-enabled solutions within a large enterprise environment. In this role, you will play a key part in…
Added 30 mins ago
WT
Security Incident Response Developer
Wealthsimple Technologies
Remote, Canada
- $123,200 to $154,000 CAD / year
- Full-time
- Remote
…join our Detection & Response team as an Incident Response Developer. You’ll report to the Manager of Detection & Response and work closely with senior responders to investigate security…
Added 30 mins ago
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Senior Security Incident Response Developer
Wealthsimple Technologies
Remote, Canada
- $151,200 to $189,000 CAD / year
- Full-time
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We are seeking an experienced and hands-on security professional to join our Detection & Response team as a Senior Incident Response Developer. Reporting to the Manager of Detection &…
Added 30 mins ago
WhereTo - Senior Product Manager - Canada, Virtual
Flight Centre
Canada
WhereTo is seeking an innovative and results-driven Senior Product Manager to help shape the future of business travel. As part of a nimble, startup-minded team within Flight Centre Travel…
Added 44 mins ago
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Senior Estimator
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Vancouver, BC
- Full-time
Reporting to the Director of Pre-Construction & Estimating, the Senior Estimator plays a crucial role in calculating major construction cost estimates, and planning, developing,…
Added 44 mins ago
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Senior Software Engineer - Brokerage Platform
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Toronto, ON · North York, ON
- Full-time
We are looking for an experienced Senior Software Engineer to join our engineering team in Toronto.
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Junior Graphic Designer
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BC · West Vancouver, BC
- Full-time
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Added 44 mins ago
Senior Finance Business Partner
D2L
Vancouver, BC · Winnipeg, MB · Kitchener, ON · Toronto, ON
Reporting to the Manager, Corporate Financial Planning & Analysis, the Senior Finance Business Partner position will partner with the Professional Services and Support (PS&S) organizations…
Added 44 mins ago
Senior Oracle HCM Consultant - TERM
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Red Deer, AB
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Added 59 mins ago
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IT Manager
BOYNECLARKE
Dartmouth, NS
- Full-time
Collaborate with Lawyers, senior management, and other stakeholders to ensure smooth operations, security, and reliability of the Firm’s technology.
Added 1 hour ago
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Lead UX Developer (React)
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Waterloo, ON
- Full-time
…collaboration are key components of our corporate culture. As a Lead UX Developer on the Viewing and Transformation Development team, you will independently design, build, and constantly…
Added 1 hour ago
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Senior Security Analyst
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- Full-time
SAP Enterprise Cloud Services is looking for a Senior Security Specialist with a strong technological and security background across the stack. Your focus topic will be Security Incident…
Added 1 hour ago
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Senior Software Engineer
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Surrey, BC
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We are looking for a Senior Software Engineer to join our True North team and help build and evolve Dentrix Ascend for the US market.
Added 1 hour ago
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Chief Information Officer
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Toronto, ON
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…support Vector’s operations and objectives are in place. As a senior role at a national AI institute, this role carries both internal leadership responsibilities and an external dimension.…
Added 1 hour ago
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Senior Software Engineer, Agentic Systems
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Toronto, ON
- Full-time
…organizations, we’re scaling rapidly and seeking a talented, innovative Senior Software Engineer to join our growing team. As one of our early hires, you’ll play a critical role in shaping…
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Senior Software Engineer
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Senior Account Manager
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Citylitics is hiring a proactive, analytical, and commercially driven Senior Account Manager reporting to the Director of Account Management.
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RQ11569 - Software Developer - Senior
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during the use and operation of software packages, including tec General Skills
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Senior Data Engineer
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…Perform root cause analysis to identify permanent resolutions to software or business process…
Added 1 hour ago
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Senior Software Developer in Test- 9 month contract- temporary
Plusgrade
Montreal, QC · CAN - Montreal
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We are expanding our core travel tech platforms, and right now our QA team needs a Senior SDET who wants to own automated testing frameworks and pioneer AI-driven testing workflows rather…
Added 1 hour ago
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AI Automation & Platform Analyst (Senior Analyst)
Mackenzie Financial Corporation
Toronto, ON · Greater Toronto Area, ON
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University degree: Undergraduate degree with a technology focus, such as software or data. Preferred: Software engineering focus or a master’s degree in software, data, or a technical field.
Added 1 hour ago
WhereTo - Senior Product Manager - Canada, Virtua
Flight Centre
Canada
WhereTo is seeking an innovative and results-driven Senior Product Manager to help shape the future of business travel. As part of a nimble, startup-minded team within Flight Centre Travel…

Apexon

Senior Python Backend Engineer

Toronto, ON, Canada

$120,000 to $150,000 CAD / year · Contract

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Job details

Pay: $120,000 to $150,000 CAD / year
Job type: Contract
Apply by: Nov 29, 2026
Experience: 5–10+ years of backend-focused software engineering experience.
Posting language: English
Posted: Oct 30, 2026

Original job description

About Apexon

Apexon is a digital-first technology services firm specializing in accelerating business transformation and delivering human-centric digital experiences.

We bring together distinct core competencies in AI, analytics, app development, cloud, commerce, CX, data, DevOps, IoT, mobile, quality engineering and UX, with proprietary accelerators and platforms.

Backed by Goldman Sachs Asset Management and Everstone Capital, Apexon now has a global presence of 15 offices (and 10 delivery centers) across four continents.

We enable #HumanFirstDIGITAL

About the Role

We are looking for a Backend Engineer – Python (API & Platform Engineering) to join our engineering team in Toronto, Ontario. This is a hands-on backend engineering role focused on building scalable, secure, and high-performance backend systems for enterprise-grade financial platforms.

The ideal candidate will have strong expertise in Python, RESTful APIs, system design, platform engineering, databases, and cloud technologies, along with experience building distributed and highly scalable backend systems.

This is an onsite role in Toronto, and an in-person interview in Toronto is mandatory.

Position Summary

The Backend Engineer – Python (API & Platform Engineering) will be responsible for designing, developing, and maintaining scalable backend services and APIs. The role involves contributing to platform engineering, distributed system design, backend integrations, performance optimization, security, and observability.

You will work closely with frontend, DevOps, product, and engineering teams to deliver reliable and scalable solutions supporting mission-critical financial platforms.

Key Responsibilities

Design, develop, and maintain scalable backend services using Python.
Build and manage RESTful APIs and backend integrations using REST, JSON, and OpenAPI.
Contribute to platform engineering initiatives focused on reliability, scalability, and maintainability.
Participate in system design and architecture discussions for distributed and high-performance systems.
Design and implement backend solutions with a focus on scalability, fault tolerance, performance, and security.
Collaborate with frontend, DevOps, product, and cross-functional engineering teams to deliver end-to-end solutions.
Work with both SQL and NoSQL databases to support high-volume and enterprise-grade applications.
Optimize backend services for performance, security, reliability, and observability.
Participate in code reviews and promote engineering best practices and coding standards.
Contribute to CI/CD pipelines, automation, and DevOps practices.
Help build and maintain shared backend platforms and reusable engineering capabilities.
Troubleshoot complex technical issues and contribute to continuous improvement of backend systems.

Qualifications

5–10+ years of backend-focused software engineering experience.
Strong hands-on experience with Python for backend development.
Proven experience designing and developing RESTful APIs.
Strong understanding of REST, JSON, and OpenAPI.
Solid experience with system design, including scalability, fault tolerance, performance, and distributed systems.
Experience with platform engineering or building shared backend platforms.
Strong understanding of SQL and NoSQL databases.
Experience working with at least one major cloud platform, such as AWS, Azure, or GCP.
Familiarity with CI/CD pipelines, Git, and DevOps practices.
Strong communication, collaboration, analytical, and problem-solving skills.
Bachelor’s or Master’s degree from a Canadian university or college.

Must Have

Strong Python backend development experience.
Hands-on experience building and maintaining RESTful APIs.
Strong system design and distributed systems knowledge.
Experience with platform engineering or shared backend services.
Strong knowledge of SQL and NoSQL databases.
Experience with AWS, Azure, or GCP.
Familiarity with CI/CD, Git, and DevOps practices.
Strong understanding of scalability, reliability, performance, and security.
Bachelor’s or Master’s degree from a Canadian university or college.
Strong communication and problem-solving capabilities.
Ability to work effectively in a collaborative, engineering-driven environment.

Nice to Have

Experience working in financial services or fintech environments.
Strong understanding of microservices architecture.
Experience with Docker and Kubernetes.
Exposure to security, compliance, and high-availability systems.
Experience working with mission-critical enterprise platforms.
Experience designing systems that operate at large scale and high availability.

Key Technology Stack

Backend: Python
API: REST, JSON, OpenAPI
Architecture: Distributed Systems, Microservices, Platform Engineering
Databases: SQL, NoSQL
Cloud: AWS, Azure, GCP
DevOps: Git, CI/CD
Containers: Docker, Kubernetes
Engineering: System Design, Performance, Security, Observability

What We Offer

Opportunity to work on mission-critical financial platforms.
Exposure to large-scale, high-impact systems.
Collaborative and engineering-driven culture.
Opportunities to work on scalable backend and platform engineering initiatives.
Professional growth and development opportunities.

Work Environment

Location: Toronto, Ontario, Canada

Work Mode: Onsite

Interview: In-person interview in Toronto is mandatory

Our Commitment to Diversity

We are an equal opportunity employer committed to building a diverse and inclusive team. We welcome candidates from all backgrounds and encourage individuals from underrepresented groups to apply.

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More about this job

Responsibilities

Design, develop, and maintain scalable Python backend services, RESTful APIs, integrations, and shared platform capabilities for mission-critical financial systems. Collaborate across engineering teams to improve system architecture, performance, security, reliability, observability, and delivery practices.

Requirements

Requires 5–10+ years of backend engineering experience, strong Python and REST API expertise, and knowledge of distributed systems, platform engineering, and SQL and NoSQL databases. Candidates must also have experience with a major cloud platform, CI/CD and DevOps practices, and a bachelor’s or master’s degree from a Canadian university or college.

Skills

Python
Backend Development
RESTful APIs
REST
JSON
OpenAPI
System Design
Distributed Systems
Platform Engineering
SQL
NoSQL
AWS
Azure
GCP
CI/CD
DevOps

Benefits

Professional Growth And Development Opportunities

Visa sponsorship

Not detected in the job text

Keywords

Python
Backend Engineering
RESTful APIs
REST
JSON
OpenAPI
Distributed Systems
Microservices
Platform Engineering
System Design
SQL
NoSQL
AWS
Azure
GCP
Git
CI/CD
DevOps
Docker
Kubernetes
Performance Optimization
Security
Observability
Fault Tolerance
Financial Services
Fintech
High Availability
Backend Integrations

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