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Added 5 mins ago
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Sr Application Software Developer
BMO
Toronto, ON · SCC
- Full-time
…specifications and deliver high-quality software solutions. The Senior Full Stack Developer will design, build, and maintain scalable, secure, cloud-native applications leveraging AWS…
Added 35 mins ago
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Lead UX Developer (React)
OpenText
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 35 mins ago
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Senior Software Engineer, Agentic Systems
CareLink (by Asepha)
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…
Added 36 mins ago
Senior Technical Specialist
Insurance Corporation of British Columbia
North Vancouver, BC
The Information Services Division is currently looking for a Senior Technical Specialist. In this position, you will provide senior-level technical leadership for the design,…
Added 50 mins ago
Senior Data Engineer
Capgemini
Calgary, AB
…candidate will have strong expertise in Databricks, PySpark, Python, SQL, Delta Lake, and cloud technologies (Azure/AWS)*, with experience building enterprise-scale data solutions that…
Added 1 hour ago
XS
Security Analyst / Engineer / Architect
XChange Software Inc
Mississauga, ON
- Contract
· Communicates trade-offs clearly and credibly with senior stakeholders.
Added 1 hour ago
QT
Développeur logiciel principal - rapports et analyses / Senior Software Developer - Reporting
Quantum Technology Recruiting Inc. (QTR)
Montreal, QC
- $100,000 to $120,000 CAD / year
- Full-time
- Au moins 5 ans d'expérience en développement logiciel de niveau senior dans les domaines des bases de données, du reporting ou de l'analyse
Added 1 hour ago
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Senior Full Stack Engineer
Workstream
Vancouver, BC
- Full-time
Proficiency in at least one or more of the following languages: Python, Java, PHP, or JavaScript, with experience developing full-stack, high-performance, and high-availability applications.
Added 1 hour ago
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Conversation Bot Engineer - Dialogflow CX
Quantiphi
Toronto, ON
- $140,000 to $150,000 CAD / year
- Full-time
Headquartered in Boston, with more than 4,000 professionals worldwide, we partner with global enterprises to deliver large-scale digital, cloud, and AI-driven transformation.
Added 1 hour ago
TC
Senior Database Administrator (Oracle Application DBA / AWS Cloud)
Tata Consultancy Services
Toronto, ON
- $115,000 to $130,000 CAD / year
- Full-time
We are seeking an experienced Senior Oracle Application DBA to optimize, scale, and maintain mission-critical database applications. This role partners closely with development and…
Added 1 hour ago
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AWS Snowflake Solutions Architect
N2P Systems
Toronto, ON
- Full-time
N2P Systems is seeking an experienced AWS Snowflake Solutions Architect to join our enterprise technology delivery team in Toronto, Ontario, Canada. At N2P Systems, you will put 10+ years…
Added 1 hour ago
Senior Software Engineer
EarnIn
Vancouver, BC
…backend services power Cash Out around the clock, integrating with EarnIn's risk, ledger, and repayment platforms to get real money to members over debit card rails, ACH, and RTP. We are…
Added 2 hours ago
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Lead Data Scientist / VP
Citi
Mississauga, ON
- Full-time
…models, build Generative AI and agentic workflows, and partner with data engineers and technology teams to implement scalable production…
Added 2 hours ago
C
Lead Data Scientist / VP
Citi
Mississauga, ON
- Full-time
…models, build Generative AI and agentic workflows, and partner with data engineers and technology teams to implement scalable production…
Added 2 hours ago
C
Lead Data Scientist / VP
Citi
Mississauga, ON
- Full-time
…models, build Generative AI and agentic workflows, and partner with data engineers and technology teams to implement scalable production…
Added 2 hours ago
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Senior Software Engineer
EarnIn
Vancouver, BC
- Full-time
…backend services power Cash Out around the clock, integrating with EarnIn's risk, ledger, and repayment platforms to get real money to members over debit card rails, ACH, and RTP. We are…
Added 3 hours ago
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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 4 hours 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 4 hours 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 hours ago
ML
AI Engineer
MACHINE LEARNING TECHNOLOGIES LLC
Toronto, ON
- Full-time
Lead and actively contribute to the development of AI products, pilots, and solutions, with a focus on clean, maintainable code using Python, React, and AWS tools.

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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