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Added 4 mins ago
PE
Senior Mechanical Engineer - Team Lead, Calgary
Polar Engineering
Calgary, AB
- Full-time
Alternates: Team Lead, Senior Engineer - Calgary Office Launch | Senior Engineer / Alberta Team Lead - HVAC and Energy Recovery Systems | Senior Mechanical Engineer - Team Lead, Alberta…
Added 4 mins ago
MC
Senior Cybersecurity Test Engineer (35651)
Myticas Consulting
Ottawa, ON
- Contract
We are seeking a Senior Cybersecurity Test Engineer to lead and execute security testing activities across applications, infrastructure, cloud environments, APIs, and system integrations.…
Added 4 mins ago
MC
Senior QA Engineer III – Automation | Banking | API | Kafka | ETL (35729)
Myticas Consulting
Ottawa, ON
- Full-time
Senior QA Engineer III – Automation | Banking | API | Kafka | ETL
Added 4 mins ago
MC
Network Engineer (35135)
Myticas Consulting
Ottawa, ON
- Full-time
We are looking for an experienced Network Service Engineer with strong expertise in customer network service configuration to support the design, implementation, and optimization of network…
Added 4 mins ago
MC
Senior ASIC Verification Engineer (35885)
Myticas Consulting
Ottawa, ON · Kanata, ON
- Full-time
Collaborate with hardware, software, system engineers, suppliers, and other technical teams to resolve complex technical issues.
Added 4 mins ago
M(
Senior Software Engineer (Hybrid / Montreal)
Motion (Creative Analytics)
Montreal, QC
- Full-time
…instincts into cross-channel playbooks, automated workflows, and a system that gets smarter over time. Our bet isn't that AI replaces great marketers. It's that the best marketers will use…
Added 34 mins ago
IG
Windows Server Administrator
IMCS Group
AB · Alberta, Canada
- Contract
Validate pre-patch and post-patch server health, services, application dependencies, event logs, restart behaviour, and system availability.
Added 34 mins ago
RI
Senior Full Stack Java Developer - Capital Markets
Rose International
Mississauga, ON
- Full-time
Seeking a Senior Forward Deployed Engineer with deep Java and Python expertise to work directly with Fintech clients in the Spread Products space. This is a hybrid engineering and…
Added 34 mins ago
LB
Senior Software Engineer, Agentic AI Products
Leo Berwick
Toronto, ON
- Full-time
We are hiring a Toronto-based Senior Software Engineer to join our founding in-house engineering team and build products from the ground up. This is a hands-on, individual contributor role…
Added 34 mins ago
CE
Project Sourcing: Canadian Drilling & Completion Contractor Needed – Pipeline & Well Tie-in Project (North Africa)
Canadian Energy Insight Inc.
Calgary, AB
- Full-time
The engineering and operational strategy of this campaign is personally led by Eng. Sallah El-Nagar, Senior Petroleum Engineer, Co-Founder & CEO / Co-Managing Director of COTI.
Added 34 mins ago
S
Product Manager - SOTI MobiControl
SOTI
Mississauga, ON
- $110,000 to $130,000 CAD / year
- Full-time
…most importantly, be part of a winning team. As the successful Senior Product Manager, you will be responsible for taking ownership of the product line life cycle from strategic planning to…
Added 49 mins ago
RL
Calibration Engineer - 12 month contract
RBR Ltd.
Ottawa, ON
- $70,000 to $90,000 CAD / year
- Contract
We are looking for a Calibration Engineer at RBR for a 12 month contract where you will help ensure the calibrations behind our instruments are rigorous, repeatable, and traceable. In this…
Added 1 hour ago
XG
QA Engineer
Xforia Global Talent & Technology Solutions
Mississauga, ON
- Contract
We are expanding our Quality Assurance team in Mississauga, ON and looking for an experienced Senior QA Engineer (9+ Years) to join us Day 1 onsite!
Added 1 hour ago
C
Senior Java Backend Engineer
Citi
Mississauga, ON
- Full-time
We are looking for a Senior Java Backend Engineer with hands-on experience in designing end-to-end data pipelines using Java and Spring Boot, and enterprise API design. You will own…
Added 1 hour ago
M
Senior Software Engineer (Hybrid / Montreal)
Motion
Montreal, QC
- Full-time
…instincts into cross-channel playbooks, automated workflows, and a system that gets smarter over time. Our bet isn't that AI replaces great marketers. It's that the best marketers will use…
Added 1 hour ago
ML
Energy Management Specialist
Maple Leaf Foods Inc
Winnipeg, MB
- Full-time
…for energy-saving initiatives. Typical projects may include system redesigns, machinery upgrades, retrofits, lighting improvements, and sensor…
Added 2 hours ago
AI
Ping Identity / ForgeRock Engineer
Apptoza Inc.
Montreal, QC
- Full-time
We are hiring for a Senior Identity and Reliability Engineering Specialist with responsibility for Identity lifecycle management and directory services. This includes products managing…
Added 2 hours ago
Senior Software Engineer, Agentic AI Products
Leo Berwick
Toronto, ON
We are hiring a Toronto-based Senior Software Engineer to join our founding in-house engineering team and build products from the ground up. This is a hands-on, individual contributor role…
Added 2 hours ago
N
Senior Mixed Signal Design Engineer
NVIDIA
Toronto, ON · Canada, Toronto
- Full-time
…diverse team and help move the needle! We are looking for a senior engineer to be part of the mixed-signal design team building next generation NVLINK. This position offers the opportunity…
Added 2 hours ago
BH
LEAD Field Engineer - 2027
Baker Hughes
Bonnyville, AB · Calgary, AB · Leduc, AB · AB · CA-AB-OTHER ALBERTA
- Full-time
Join the LEAD Field Engineer Development Program
Added 2 hours ago
M
Senior Manager, Commercial Management
Metrolinx
Canada
- Full-time
…Transit and UP Express, as well as the PRESTO fare payment system. We are also building new and improved rapid transit, including GO Expansion, Light Rail Transit routes, and major…
Added 2 hours ago
SI
Senior Systems Engineer
STACK IT Recruitment
Remote, Canada
- $110,000 to $130,000 CAD / year
- Full-time
- Remote
👨🏻‍💼 Are you a senior MSP engineer who can deliver large infrastructure projects hands-on and act as the technical advisor a client relies on?
Added 2 hours ago
SI
Senior Systems Engineer
STACK IT Recruitment
Remote, Canada
- $110,000 to $130,000 CAD / year
- Full-time
- Remote
👨🏻‍💼 Are you a senior MSP engineer who can deliver large infrastructure projects hands-on and act as the technical advisor a client relies on?
Added 2 hours ago
SI
Senior Systems Engineer
STACK IT Recruitment
Remote, Canada
- $110,000 to $130,000 CAD / year
- Full-time
- Remote
👨🏻‍💼 Are you a senior MSP engineer who can deliver large infrastructure projects hands-on and act as the technical advisor a client relies on?
Added 2 hours ago
QT
Senior Linux Systems Engineer - Automation & Performance Monitoring (6-Month Contract)
Quantum Technology Recruiting Inc. (QTR)
Toronto, ON
- $70 to $90 CAD / hour
- Contract
Position: Senior Linux Systems Engineer - Automation & Performance Monitoring (6-Month Contract)

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.

Apply About employer

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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