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Added 17 days ago
C
Senior Penetration Tester & Red Team Engineer
Cognizant
Toronto, ON
- Full-time
We are seeking a Senior Penetration Tester / Red Team Engineer to support offensive security initiatives through advanced penetration testing, red team operations, and custom security tool…
Added 18 days ago
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AI Engineer Intern (Winter 2027)
Ciena
Ottawa, ON
- Full-time
Proficiency in at least one general-purpose programming language, such as Python, JavaScript, TypeScript, Java, or C++, and willingness to learn new languages and tools.
Added 18 days ago
GM
Senior Android Developer - Trailering Application
General Motors
Markham, ON · Oshawa, ON
- Full-time
GM is looking to hire a Senior Android Software Engineer to lead design, development, and long‑term maintenance of in‑vehicle infotainment (IVI) apps on Android Automotive OS (AAOS) for…
Added 17 days ago
PG
Artificial Intelligence Engineer
Pacer Group
Toronto, ON
- $70 to $75 CAD / hour
- Contract
Job Title: Senior AI Engineer -JVM Engineering (Java, Kotlin)
Added 18 days ago
AI Security Engineer
Celestica International LP
Toronto, ON
Demonstrated development experience including Coding or Scripting experience (ie. Python, Powershell, Java, .NET)
Added 18 days ago
Software Development Engineer, Ring Cloud Connectivity Org
Amazon
Toronto, ON
Ring is seeking a Software Development Engineer to join the Cloud Connectivity organization in Toronto, where you'll build and deliver large-scale, customer-facing platforms that power how…
Added 18 days ago
Software Development Engineer, Ring Cloud Connectivity Org
Amazon
Toronto, ON
Ring is seeking a Mobile Software Development Engineer to join the Cloud Connectivity organization in Toronto, where you'll build and deliver customer-facing mobile experiences that power…
Added 17 days ago
ST
DATA ENGINEER
SIDRAM TECHNOLOGIES
Mississauga, ON
- Full-time
…#DataAnalytics #DataWarehouse #ETL #Oracle #SQL #PLSQL #Python #Java #API #SDK #Citi #CitiBank #MississaugaJobs #CanadaJobs #TorontoJobs #FullTimeJobs #ITJobs #TechJobs #Hiring #JobSeekers…
Added 17 days ago
LC
CRM QA Engineer
Lontours Canada Limited
Toronto, ON
- $80,000 to $102,000 CAD / year
- Full-time
The CRM Quality Assurance Engineer is responsible for planning, designing, and executing both automated and manual testing to ensure the quality, reliability, and performance of CRM…
Added 17 days ago
LC
Data QA Engineer
Lontours Canada Limited
Toronto, ON
- $85,000 to $105,000 CAD / year
- Full-time
The Data Quality Assurance Engineer is responsible for planning, designing, and executing automated and manual testing to ensure the accuracy, completeness, reliability, security, and…
Added 18 days ago
C
Engineering Excellence NAM - SVP
Citi
Mississauga, ON
- Full-time
6+ years of hands-on development experience in Java and/or Python
Added 17 days ago
LI
Senior Java Software Engineer
LanceSoft, Inc.
Montreal, QC
- Contract
The ideal candidate will support designing, building, and integrating systems. Java and Web development experience is essential. Strong communication and interpersonal skills are essential.…
Added 17 days ago
A
Data Engineer
Altimetrik
Mississauga, ON
- Full-time
Data lineage, application development, python or Java coding experience
Added 18 days ago
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Senior Full-Stack Software Engineer
Manulife
Toronto, ON
- Full-time
At Manulife, we're transforming how technology supports investment decision-making. As a Senior Full-Stack Engineer, you'll work alongside talented engineers, architects, and business…
Added 17 days ago
H
Chaos Engineer
HCLTech
Toronto, ON
- $75,000 to $80,000 CAD / year
- Full-time
Strong experience in Java/Python, Microservices, APIs, Kubernetes, Docker, and Cloud Platforms (Azure/GCP/AWS).
Added 17 days ago
ND
Tech Consultant - Senior Full-Stack Engineer
NTT DATA North America
Vancouver, BC
- Other
NTT Data is looking for a SR. Full- Stack Engineer to join their team in Vancouver, British Columbia.
Added 17 days ago
A
Senior Full Stack Developer (React/Typescript/Node.js)
Affinity
Canada
- Full-time
…team in Canada. This is a full-time opportunity for a seasoned engineer who can contribute across both backend and frontend development, with a strong emphasis on building scalable,…
Added 17 days ago
JT
Senior Java Software Engineer
Jobility Talent Solutions
Toronto, ON
- Contract
Job Title: Java Developer – Capital Markets (eTrading)
Added 17 days ago
TC
Senior Java Software Engineer
TSR Consulting
Mississauga, ON
- Contract
TSR Consulting is currently seeking a highly motivated Java Full Stack/ Java Backend Developer for an opportunity in Mississauga, ON Hybrid
Added 1 month ago
Sr. DevSecOps Engineer
Rogers Communications
Brampton, ON · Toronto, ON
We are currently seeking a Sr DevSevOps Engineer to join the Rogers Enterprise DevSecOps Engineering Team. Working from Toronto or Brampton office, you will work with the Enterprise DevOps…
Added 18 days ago
A
Senior Full Stack Software engineer
Affinity
BC · British Columbia, Canada
- Full-time
…team in Canada. This is a full-time opportunity for a seasoned engineer who can contribute across both backend and frontend development, with a strong emphasis on building scalable,…
Added 19 days ago
SS
Sr. Software Engineer, AVP II
State Street
Toronto, ON
- Full-time
…participants in the industry. The role requires a strong full-stack engineer who can work across rich web functionality, backend services, automated testing, performance engineering, and…
Added 18 days ago
A
Software Engineer
aivra.health
Toronto, ON
- $100,000 to $160,000 CAD / year
- Full-time
We are looking for a motivated Software Engineer to join our growing technology team in Toronto. This opportunity is open to fresh graduates and experienced professionals who are passionate…
Added 18 days ago
JG
Performance Engineer
J&M Group
Toronto, ON
- Full-time
Added 18 days ago
MR
Java Software Engineer
Motion Recruitment
Toronto, ON
- $120,000 to $140,000 USD / year
- Full-time
…the world. This team is currently looking to hire a series of Java Software Engineers and are hybrid in Downtown…

Affinity

Senior Full Stack Software engineer

BC, Canada
British Columbia, Canada, Canada

Full-time

Apply About employer

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Job details

Job type: Full-time
Apply by: Oct 16, 2026
Experience: 10+ years of professional full stack software development experience.
Posting language: English
Posted: Sep 16, 2026

Original job description

Job Description

On behalf of our client, Affinity is seeking an experienced Senior Full Stack Developer to join their engineering team in Canada. This is a full-time opportunity for a seasoned engineer who can contribute across both backend and frontend development, with a strong emphasis on building scalable, distributed applications and microservices.

The successful candidate will bring 10+ years of professional full stack development experience and strong hands-on expertise with TypeScript, Node.js, PostgreSQL, RabbitMQ, Redis, and React.

Responsibilities

Design, build, and maintain scalable full stack applications, backend services, APIs, and user-facing features.
Develop backend services using TypeScript and Node.js.
Build and maintain modern frontend applications and reusable UI components using React.
Design, develop, and support microservices-based architectures.
Build highly scalable systems leveraging asynchronous processing, messaging, and event-driven architecture.
Work extensively with PostgreSQL, RabbitMQ, and Redis within distributed application environments.
Design and maintain robust RESTful APIs and integrations.
Contribute to system architecture decisions and drive engineering best practices across the full technology stack.
Partner with cross-functional team members to scope, design, and plan technical initiatives.
Lead or participate in technical discussions with internal and external stakeholders when required.
Conduct thoughtful code reviews and contribute to improving overall code quality.
Troubleshoot production issues and help resolve complex technical problems across frontend and backend systems.
Develop solutions with performance, scalability, reliability, and usability in mind.
Contribute to CI/CD processes, automated testing, and deployment practices.
Mentor junior developers and support their technical growth.
Help onboard new engineers and promote strong engineering standards and collaborative development practices.

Must-Have Qualifications

10+ years of professional full stack software development experience.
Strong hands-on experience with TypeScript.
Strong hands-on backend development experience with Node.js.
Strong hands-on frontend development experience with React.
Strong experience working with PostgreSQL.
Hands-on experience with RabbitMQ and asynchronous/message-driven processing.
Hands-on experience with Redis.
Demonstrated experience designing, building, and supporting microservices architectures.
Strong experience designing and maintaining RESTful APIs.
Deep understanding of asynchronous programming, distributed systems, and scalable application design.
Strong understanding of software architecture principles, algorithms, and data structures.
Experience with modern JavaScript (ES6+) and contemporary frontend development practices.
Experience with automated testing and modern software development practices.
Strong working knowledge of Git and collaborative development workflows.
Experience working within Agile development environments.

Preferred Qualifications

Experience with containerization technologies such as Docker.
Experience with AWS services such as EC2, S3, RDS, and CDN solutions.
Experience with CI/CD pipelines and deployment automation.
Experience working in Linux environments such as Ubuntu or Debian.
Familiarity with additional programming languages such as Go, Rust, Python, or Java.
Experience with TDD/BDD and modern JavaScript testing frameworks such as Jest, Mocha, or Jasmine.
Experience mentoring developers or providing technical leadership within an engineering team.

Affinity Earn

Know someone who’s great for this, or any of our open roles? Earn up to $4,000/year for each successful referral through Affinity Earn. You can also earn up to $50,000 for helping us find new clients. Learn about our referral program at https://affinity-group.ca/earn/ or browse our jobs & follow us at https://www.linkedin.com/company/affinity-staffing/jobs/

About Affinity

Affinity Group is a technology and business consulting and services company. We believe in creating long term relationships between clients and consultants that foster a mutually beneficial partnership. Affinity is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. All employment is decided on the basis of qualifications, merit and business need.

For more information on Affinity, please visit www.affinity-group.ca

Job Number: 13945

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More about this job

Responsibilities

Design, build, and maintain scalable full stack applications and microservices using TypeScript, Node.js, and React. Lead technical initiatives, conduct code reviews, and mentor junior developers to ensure high engineering standards.

Requirements

Requires over 10 years of professional full stack experience with deep expertise in Node.js, React, and PostgreSQL. Must have demonstrated experience with message-driven architectures using RabbitMQ and Redis.

Skills

TypeScript
Node.js
React
PostgreSQL
RabbitMQ
Redis
Microservices
RESTful APIs
Distributed Systems
Asynchronous Programming
Git
Agile
Docker
AWS
CI/CD
Linux

Visa sponsorship

Not detected in the job text

Keywords

TypeScript
Node.js
React
PostgreSQL
RabbitMQ
Redis
Microservices
RESTful APIs
Distributed Systems
Asynchronous Programming
ES6+
Git
Agile
Docker
AWS
EC2
S3
RDS
CDN
Linux
Ubuntu
Debian
Go
Rust
Python
Java
TDD
BDD
Jest
Mocha

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