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Added 5 days ago
US
Adobe CDP Architect
United Software Group Inc
Vancouver, BC
- $100 to $110 CAD / hour
- Contract
Working knowledge of SQL, XML, JSON, JavaScript, HTML, CSS, and at least one programming language such as Python.
Added 5 days ago
A
Senior Python Backend Engineer
Apexon
Toronto, ON
- $120,000 to $150,000 CAD / year
- Contract
The ideal candidate will have strong expertise in Python, RESTful APIs, system design, platform engineering, databases, and cloud technologies, along with experience building distributed…
Added 5 days ago
JG
Ab-initio Developer - 8 Years
J2B Global LLC
Mississauga, ON
- Full-time
Proficiency with 1 or more of the following programming languages: Java, API, Python
Added 5 days ago
A
Java Spark Backend Developer
Apptad
Montreal, QC
- Contract
…solutions. The ideal candidate should have strong expertise in Java, SQL, database systems, and Python, along with a willingness to learn and adapt to new…
Added 5 days ago
Y
Software Engineer - QC(Local)
Yochana
Montreal, QC
- Contract
Experience with relational databases such as PostgreSQL, Oracle, or SQL Server.
Added 5 days ago
TT
Senior MLOps Engineer - Investment Banking
Tech Talent International
Montreal, QC
- $140,000 to $150,000 CAD / year
- Full-time
We currently have a role as a Senior MLOps Engineer with our large consulting client, working for a investment bank in the downtown Montreal area. T
Added 5 days ago
IS
SAS / Python Developer
Iris Software Inc.
Toronto, ON
- Contract
Python Experience: 2+ years of production Python development, with strong proficiency in pandas, data wrangling, and relational SQL.
Added 5 days ago
QR
Analyste - Gestion de Prix de Ventes et Analyse de Données
Quincaillerie Richelieu
Montreal, QC
- Full-time
Détenir des connaissances de base en SQL (Un atout).
Added 5 days ago
QR
Analyste- Gestion des prix de vente et analyse de données
Quincaillerie Richelieu
Montreal, QC
- Full-time
Détenir des connaissances de base en SQL (Un atout).
Added 5 days ago
ZT
Quality Assurance Engineer
Zensar Technologies
Toronto, ON
- Full-time
…Zensar is an organization focused on building relationships with our clients and with each other - and happiness is at the core of everything we do. In fact, we’re so into happiness that…
Added 5 days ago
Business Intelligence Analyst, Google Cloud Support
Google
Waterloo, ON
Experience with scripting languages such as Python, Go, JavaScript, or HTML for data manipulation, analysis, and automation.
Added 5 days ago
C
System Integrator (Renewable)
CIMA+
London, ON · Guelph, Ontario
- $67,440 to $92,730 CAD / year
- Full-time
Experience with Python and a basic understanding of RDBMS development (MySQL, SQL, SQL Server Reporting Services)
Added 5 days ago
C
System Integrator (Renewable)
CIMA+
Guelph, ON
- $67,440 to $92,730 CAD / year
- Full-time
Experience with Python and a basic understanding of RDBMS development (MySQL, SQL, SQL Server Reporting Services)
Added 5 days ago
W
Data Engineer
Wiraa
Canada
- Full-time
…our data infrastructure. The ideal candidate will have strong SQL skills for ad-hoc analysis and reporting, proficiency in Power BI for dashboard development, and hands-on experience with…
Added 5 days ago
C
System Integrator (Renewable)
CIMA+
Guelph, ON
- $67,440 to $92,730 CAD / year
- Full-time
Experience with Python and a basic understanding of RDBMS development (MySQL, SQL, SQL Server Reporting Services)
Added 5 days ago
C
System Integrator (Renewable)
CIMA+
London, ON
- $67,440 to $92,730 CAD / year
- Full-time
Experience with Python and a basic understanding of RDBMS development (MySQL, SQL, SQL Server Reporting Services)
Added 5 days ago
E
Java Python Senior Software Developer
Elsevier
Montreal, QC
- Full-time
Possess current and extensive Java/Python Development skills. Beyond Python and Java experience, we work with the following technologies regularly: Confluent Kafka, Kubernetes,…
Added 5 days ago
NB
QRM CHIEF DEVELOPER
National Bank of Canada
Toronto, ON
- Full-time
A career as a Chief Quantitative Risk Management (QRM) Developer in the IT Delivery and Capital Markets team at National Bank means acting as a specialist in supporting financial risk…
Added 5 days ago
NB
CHIEF DEVELOPER FULLSTACK - PYTHON
National Bank of Canada
Montreal, QC
- Full-time
Bachelor’s degree in software engineering or a related field, with a minimum of 5 years of experience as a full stack developer.
Added 5 days ago
NB
LEAD PYTHON DEVELOPER – IT TREASURY PLATFORMS
National Bank of Canada
Montreal, QC
- Full-time
A career as a Lead Python Chief Principal Developer in the Treasury IT team at National Bank means acting as a hands-on technical leader for modern technology platforms. This job allows you…
Added 6 days ago
T
Senior QA Engineer- ETL & API
Teqfocus
Toronto, ON
- Contract
We are seeking a hands-on Senior QA Engineer with strong functional and automated API testing capabilities, coupled with expertise in data validation, ETL processes, and Master Data…
Added 6 days ago
JT
Business Process & System Specialist
J-Squared Technologies Inc.®
ON · Ontario, Canada
- Full-time
…getting your hands dirty while driving results and collaborating with colleagues? If this interests you, then we have an opportunity waiting for…
Added 6 days ago
F
Senior Machine Learning Engineer
Fusemachines
Remote, Canada
- Contract
- Remote
…(terabytes/petabytes of bidstream and user event data) using SQL, Python, and distributed computing frameworks (e.g., Spark,…
Added 6 days ago
SI
Business Intelligence Analyst
Spait Infotech
Canada
- Full-time
Write SQL queries to extract, transform, and analyze data from databases.
Added 6 days ago
AT
Lead Data Analyst
Altis Technology
Ottawa, ON · Greater Ottawa Metropolitan Area
- Contract
Strong SQL knowledge, including the ability to read stored procedures, and experience with databases, Excel, and Microsoft Office.

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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