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Added 5 days ago
KI
Hybrid - PL/SQL Developer (Unix & DB2)
KPG99 INC
Montreal, QC
- Contract
We are seeking an experienced PL/SQL Developer with strong Unix/Linux and DB2 database skills to join our team. The ideal candidate will be responsible for designing, developing,…
Added 5 days ago
CE
Trader d'énergie junior
CWP Energy
Montreal, QC
- Full-time
…2012, we have developed deep expertise in renewable energy and physical power trading. What sets us apart is our entrepreneurial mindset - we encourage initiative, experimentation, and…
Added 5 days ago
T
AI Engineer
Talenzaa
Mississauga, ON
- Full-time
Solid SQL, data modeling, and data engineering fundamentals.
Added 5 days ago
M
Specialist, Data Governance and Strategy
Moneris
Toronto, ON
- Full-time
Reporting Relationship: You will report to Manager, Data Governance and Strategy.
Added 5 days ago
CT
Senior Data Scientist, Predictive Modelling
Canadian Tire Corporation
Toronto, ON
- Full-time
Proficiency with programming in Python, PySpark, SQL.
Added 5 days ago
E
Deployment Lead
enurgen
Ottawa, ON · Greater Ottawa Metropolitan Area
- Full-time
Hands-on experience using Python for data cleaning, validation, and analysis
Added 5 days ago
P
Senior Revenue Operations Manager
Pepper
Canada
- Full-time
Build and ship end-to-end. Take AI agents, internal apps, and automations from prototype to production using Claude Code, Codex, Python, and SQL.
Added 5 days ago
H
Production Support Specialist
Hays
Montreal, QC
- Contract
Hands-on experience with PL/SQL, Shell Scripting, Python, and Perl.
Added 5 days ago
IS
SAS / Python Developer
Iris Software Inc.
Toronto, ON · Greater Toronto Area, Canada
- Contract
Seeking an experienced SAS / Python Developer to join data modernization and migration team. In this role, you will be responsible for analyzing, converting, optimizing, and modernizing…
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
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…
Added 5 days ago
JG
Ab-initio Developer - 8 Years
J2B Global LLC
Mississauga, ON
- Full-time
Strong understanding of Data Lineage, metadata management, reference data development and data analytics.
Added 5 days ago
A
Java Spark Backend Developer
Apptad
Montreal, QC
- Contract
In this role, you will be responsible for designing, developing, testing, and delivering high-quality software solutions. The ideal candidate should have strong expertise in Java, SQL,…
Added 5 days ago
Y
Software Engineer - QC(Local)
Yochana
Montreal, QC
- Contract
Working knowledge of Python and/or JavaScript.
Added 5 days ago
TT
Senior MLOps Engineer - Investment Banking
Tech Talent International
Montreal, QC
- $140,000 to $150,000 CAD / year
- Full-time
Senior-level Python development across the full data and ML stack.
Added 5 days ago
IS
SAS / Python Developer
Iris Software Inc.
Toronto, ON
- Contract
Code Migration & Translation: Interpret and convert legacy SAS programs (including Base SAS, DATA steps, SAS macros, and PROC SQL) into modular, efficient Python scripts.
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
You will use complex SQL to deep-dive into our databases, validating that every byte of data flowing through our AWS pipelines is accurate, compliant, and timely.
Added 5 days ago
Business Intelligence Analyst, Google Cloud Support
Google
Waterloo, ON
Experience writing SQL queries and utilizing BigQuery.
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
We are seeking a versatile and highly motivated Data Engineer to join our data analytics and reporting team. This pivotal role bridges the gap between raw data and actionable business…
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)

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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