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Added 21 days ago
ID
Data Scientist & Machine Learning Engineer
Identity Digital Inc.
Toronto, ON
- $87,000 to $114,000 CAD / year
- Full-time
…automated decisioning. As a Data Scientist and Machine Learning Engineer, you will work across (and connect) the expertise of these two related but distinct disciplines. Your…
Added 21 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 28 days ago
E
Senior Backend Engineer
Eleven-X
Waterloo, ON
- Full-time
We are seeking a full-time Senior Backend Engineer to strengthen the systems behind our eXactPark cloud solution. You will own backend capabilities from technical design through production…
Added 21 days ago
TC
Data AI Engineer
Tata Consultancy Services
Mississauga, ON
- $100,000 to $130,000 CAD / year
- Full-time
· Software Engineering: Build high-performance, scalable APIs using Python (FastAPI) to expose capabilities required
Added 21 days ago
C
Senior Optical Engineer
Ciena
Ottawa, ON
- $94,100 to $150,300 CAD / year
- Full-time
We are seeking a Senior Optical Engineer to provide technical leadership for the evaluation, qualification, and lifecycle management of optical technologies used across Ciena's photonic…
Added 21 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 21 days ago
RE
Cyber Security Engineer
Randstad Enterprise
Montreal, QC
- Contract
We are seeking an experienced Cybersecurity Engineer to join our dedicated Crypto team within the Technology division. In this role, you will be responsible for implementing, managing, and…
Added 21 days ago
F
Search Engineer
Firecrawl
Toronto, ON
- Full-time
Reverse engineer detection: Research how modern websites detect and challenge automated traffic, and take apart those mechanisms and challenge flows
Added 21 days ago
T
Data Integration Developer
Trafigura
Calgary, AB
- Full-time
The Data Engineer will be responsible for building and maintaining the data integration infrastructure that underpins Trafigura's North American Gas and Power trading desk. Working within…
Added 21 days ago
M
Junior Electronics Validation and Test Engineer/Designer
MDA
Sainte-Anne-de-Bellevue, QC
- Full-time
The Junior Electronics Validation and Test Engineer/Designer will support design, integration and commissioning of specialized electronic test equipment for testing mixed signal (Digital &…
Added 21 days ago
XS
UE Verification Engineer (Canada)
Xona Space Systems
Montreal, QC
- Full-time
We are seeking a skilled User Equipment (UE) Verification Engineer to join our dynamic team. The ideal candidate will be responsible for verifying and validating GNSS receivers. Working…
Added 21 days ago
UT
Senior ASIC Verification Engineer – SystemVerilog / UVM / High-Speed I/O / SoC / Chipsets
USA Tech Recruit
Ottawa, ON
- Full-time
Senior ASIC Verification Engineer / Senior Verification Engineer / Staff Verification Engineer / ASIC Verification / SoC Verification / RTL Verification / Hardware Verification /…
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 21 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 22 days ago
A
Senior Fuel Engineering Analyst
AtkinsRéalis
Mississauga, ON
- Full-time
Proficiency in computer programming, especially python or Fortran.
Added 21 days ago
EA
Développeur.se - opérations liées à l’apprentissage automatique / MLOps Engineer
Electronic Arts (EA)
Vancouver, BC
- Full-time
As an MLOps Engineer, you will work closely with researchers to optimize models, help shape the data they need for training, and instrument the system to measure and improve model…
Added 21 days ago
EA
Développeur.se principal.e de l’infrastructure / Lead Infrastructure Engineer
Electronic Arts (EA)
Montreal, QC
- Full-time
As Lead Infrastructure Engineer, you will own the GPU fleet our researchers train on including capacity, scheduling, diagnostics, and support. You will set technical direction for GPU…
Added 21 days ago
EA
Développeur.se - opérations liées à l’apprentissage automatique / MLOps Engineer
Electronic Arts (EA)
Montreal, QC
- Full-time
As an MLOps Engineer, you will work closely with researchers to optimize models, help shape the data they need for training, and instrument the system to measure and improve model…
Added 21 days ago
EA
Développeur.se de logiciels sénior.e - outils de moteur génératif / Senior Software Engineer - Generative Engine Tools
Electronic Arts (EA)
Montreal, QC
- Full-time
As a Senior Software Engineer, you will collaborate with Research Scientists and Engineers to shape how new technologies integrate into core engine architecture. You will translate ideas…
Added 21 days ago
EA
Développeur.se de logiciels sénior.e - applications dorsales / Senior Software Engineer - Backend
Electronic Arts (EA)
Montreal, QC
- Full-time
As a Senior Software Engineer, you will collaborate with Research Scientists and Engineers to shape how new technologies integrate into backend architecture. You will translate ideas from…
Added 21 days ago
A
Ingénieur(e) Senior, Plateforme de Données
Astek
Montreal, QC
- Full-time
…moderne. Le/la candidat(e) idéal(e) a de l'expérience avec Python, Spark, Git, Microsoft Fabric et l'architecture médaillon (Bronze, Silver, Gold). Dans ce rôle, vous concevrez et…
Added 22 days ago
Q
FY27 Intern - Low-Power AI, Audio, and Sensors Subsystem Engineering Internship - ASIC Design / Verification/Implementation - Canada (12 or 16 months)
Qualcomm
Markham, ON
- Full-time
As an intern on our team, you will work closely with an experienced engineer and contribute hands-on to design, verification, and modelling of ASIC HW IP (blocks) and sub-systems and learn…
Added 21 days ago
FI
Senior Engineer, Applied AI
Fulfillment IQ
Remote, Canada
- Full-time
- Remote
A seasoned AI engineer (ninja-level) with hands-on experience in developing and deploying real LLM systems, who excels in environments with significant ownership responsibilities and values…
Added 21 days ago
M
Firmware Engineer (Contractor Position)
MistyWest
Vancouver, BC
- Contract
We are hiring a Firmware Engineer (Contractor) to support an embedded product build. You will help develop core firmware features, including device sensing, power management, connectivity,…
Added 21 days ago
B
Senior DevOps Engineer
Bounteous
Montreal, QC
- Full-time
We are seeking a Senior DevOps Engineer to join our Release Management team in

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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