Jobs in Canada

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Added 9 days ago
DQ
Photonics Characterization
Darwin Quantum
Montreal, QC
- Full-time
…optical and photonic sensing technologies to join a growing engineering team developing advanced integrated photonics and optical sensing…
Added 9 days ago
N
Senior Software Development Engineer in Test (SDET), QA - AI Systems
Nexxa.AI
Remote, Canada
- Full-time
- Remote
Strong programming skills (Python preferred) with a software engineering mindset: clean, maintainable, well-reviewed code for frameworks, data pipelines, and tooling.
Added 9 days ago
WA
Senior SWE - Python / TypeScript
Weekday AI
Remote, Canada
- Contract
- Remote
We are looking for a highly skilled Senior Software Engineer with expertise in Python, TypeScript, JavaScript, or Go to support advanced AI development and evaluation initiatives. The ideal…
Added 9 days ago
R|
Programmer
RI-MUHC | Research Institute of the MUHC | #rimuhc
Montreal, QC
- Full-time
Field of Study: Computer Science, Software Engineering, Health Informatics, or a related field, or equivalent professional experience
Added 9 days ago
HT
Software Validation Technologist
Husky Technologies
Bolton, ON
- Full-time
Implement software validation engineering test plans, cases plus scripts.
Added 9 days ago
T
Data Engineer II
TD
Toronto, ON
- Full-time
Provide a broad range of data engineering functions including data modeling, data quality, data profiling, data acquisition and ingestion, extract transform load (ETL), metadata enrichment…
Added 9 days ago
SM
Python Developer
S M Software Solutions Inc
Mississauga, ON
- Full-time
We are seeking an experienced Python Developer with 8+ years of experience to design, develop, and maintain software solutions focused on Python programming, data analysis, and large-scale…
Added 9 days ago
SM
Python Developer
S M Software Solutions Inc
Mississauga, ON
- Full-time
We are seeking an experienced Python Developer with 8+ years of experience to design, develop, and maintain software solutions focused on Python programming, data analysis, and large-scale…
Added 9 days ago
SM
RQ11486 – Data Ops/Cloud Data Engineer – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
We are seeking a Senior Data Ops/Cloud Data Engineer with extensive experience in designing, developing, automating, and optimizing complex data pipelines and cloud-based data platforms.…
Added 9 days ago
SM
RQ11716 – Systems Testing/QA Specialist – Intermediate
S M Software Solutions Inc
Toronto, ON
- Internship
Knowledge and experience in the use of Computer Aided Software Engineering (CASE) tools and data query tools to aid in the development of test cases.
Added 9 days ago
SM
RQ11486 – Data Ops/Cloud Data Engineer – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
We are seeking a Senior Data Ops/Cloud Data Engineer with extensive experience in designing, developing, automating, and optimizing complex data pipelines and cloud-based data platforms.…
Added 9 days ago
SM
RQ11716 – Systems Testing/QA Specialist – Intermediate
S M Software Solutions Inc
Toronto, ON
- Internship
Knowledge and experience in the use of Computer Aided Software Engineering (CASE) tools and data query tools to aid in the development of test cases.
Added 9 days ago
SM
RQ11716 – Systems Testing/QA Specialist – Intermediate
S M Software Solutions Inc
Toronto, ON
- Internship
Knowledge and experience in the use of Computer Aided Software Engineering (CASE) tools and data query tools to aid in the development of test cases.
Added 9 days ago
SM
RQ11486 – Data Ops/Cloud Data Engineer – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
We are seeking a Senior Data Ops/Cloud Data Engineer with extensive experience in designing, developing, automating, and optimizing complex data pipelines and cloud-based data platforms.…
Added 9 days ago
SM
Python Developer
S M Software Solutions Inc
Mississauga, ON
- Full-time
We are seeking an experienced Python Developer with 8+ years of experience to design, develop, and maintain software solutions focused on Python programming, data analysis, and large-scale…
Added 9 days ago
PR
Robotics and Control Support Engineer
Promise Robotics
Calgary, AB
- Full-time
…and mechanical systems, and helping bridge the gap between engineering and production…
Added 9 days ago
GM
Backend Engineer (Co-op)
General Magic
Toronto, ON
- Full-time
This is a co-op role on our engineering team. You'll work on the backend services, APIs and integrations that connect our agents to carrier, MGA and broker systems, and ship code that runs…
Added 9 days ago
GM
AI Engineer (Co-op)
General Magic
Toronto, ON
- Full-time
Enrolment in a co-op program, ideally in computer science, engineering or a related field
Added 9 days ago
HT
Software Validation Technologist
Husky Technologies
Bolton, ON
- Full-time
Implement software validation engineering test plans, cases plus scripts.
Added 10 days ago
TI
Lead Full Stack Developer
Themesoft Inc.
Toronto, ON
- Contract
You will be responsible for working closely with AI data scientists to support data ingestion and feature engineering, establishing industry best practices, maintaining and managing…
Added 10 days ago
DE
Data & AI Engineer / Ingénieur Des Données & IA
Dunsky Energy + Climate Advisors
Toronto, ON · Greater Toronto Area, Canada
- Full-time
This is a hands-on engineering role at the intersection of applied AI, data engineering, and software development. You will help build AI-powered applications and agents, strengthen the…
Added 10 days ago
R|
Programmer
RI-MUHC | Research Institute of the MUHC | #rimuhc
Montreal, QC
- Full-time
Field of Study: Computer Science, Software Engineering, Health Informatics, or a related field, or equivalent professional experience
Added 10 days ago
HB
Junior React Engineer - Montreal - Up to $145,000 CAD Starting Base + Exceptional Bonuses/Benefits
Hunter Bond
Montreal, QC
- Full-time
Developer-first culture where curiosity, growth, and learning are genuinely valued
Added 10 days ago
DE
Data & AI Engineer / Ingénieur Des Données & IA
Dunsky Energy + Climate Advisors
Vancouver, BC · Greater Vancouver Metropolitan Area
- Full-time
This is a hands-on engineering role at the intersection of applied AI, data engineering, and software development. You will help build AI-powered applications and agents, strengthen the…
Added 10 days ago
DE
Data & AI Engineer / Ingénieur Des Données & IA
Dunsky Energy + Climate Advisors
Montreal, QC · Greater Montreal Metropolitan Area
- Full-time
This is a hands-on engineering role at the intersection of applied AI, data engineering, and software development. You will help build AI-powered applications and agents, strengthen the…

Themesoft Inc.

Lead Full Stack Developer

Toronto, ON, Canada

Contract

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Job details

Job type: Contract
Apply by: Nov 17, 2026
Experience: 7+ years of backend development experience in Java or Python
Posting language: English
Posted: Oct 18, 2026

Original job description

Position: Lead Full Stack Developer

Location: Toronto, On – Hybrid

Job Summary:

Designs, develops, and oversees the implementation of advanced technical solutions, ensuring alignment with business objectives and adherence to best practices, while managing the end-to-end technical delivery of projects.
Build Gen AI system frameworks, Prompt Engineering, including designing and refining prompts to optimize LLM outputs, implementing Gen AI systems into production.
Leads development teams in the delivery of capabilities, providing technical direction and guidance to junior developers and team members and ensuring the successful execution of complex assignments and projects
Collaborates with business stakeholders and product owners to translate strategic objectives into actionable technical solutions, leveraging advanced knowledge to address unique and high impact challenges.
You will be responsible for working closely with AI data scientists to support data ingestion and feature engineering, establishing industry best practices, maintaining and managing technical documentations.
Executes on software development tasks or projects, requiring advanced problem solving, decision making and strategic thinking with some ambiguity.
Drives decisions on complex issues to develop clear, actionable recommendations for management, ensuring alignment on processes, tools and services with impact across other areas.
Leverages advanced and creative skills to resolve complex software development related problems, fostering cross functional collaboration to identify and implement innovative solutions.
Leads and facilitates cross functional collaboration efforts, fostering strong internal relationships across the organization and external partnerships to achieve impactful business outcomes.

Required Skills:

7+ years of backend development experience in Java or Python
Strong backend development experience in Java or Python, including REST API and microservices
Strong experience with React and modern frontend development, including Micro-frontend (MFE) architectures and reusable UI components
Hands-on experience or strong understanding of Agentic AI concepts, LLM integrations
Understanding of prompt engineering and Gen-AI Development tools (GitHub Copilot, Windsurf, Claude Code)
Experience with Cloud platforms and technologies (OpenShift, Kubernetes, S3 Object Storage)
Experience working with relational databases particularly PostgreSQL, including schema design, query optimization and performance tuning.

Regards

Patrick Fernandez

Talent Acquisition Group - Strategic Recruitment Manager

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More about this job

Responsibilities

Lead end-to-end technical delivery and development teams, designing and implementing advanced software solutions aligned with business objectives. Build and productionize generative AI systems, collaborate with stakeholders and data scientists, and guide technical decisions, documentation, and cross-functional delivery.

Requirements

Requires 7+ years of backend development experience with Java or Python, including REST APIs and microservices, plus strong React and modern frontend experience. Candidates should have experience or understanding of agentic AI and LLM integrations, prompt engineering and generative AI tools, cloud technologies, and PostgreSQL schema design and performance tuning.

Skills

Java
Python
Backend Development
REST APIs
Microservices
React
Micro-Frontend Architectures
Agentic AI
LLM Integration
Prompt Engineering
Generative AI
Kubernetes
OpenShift
S3 Object Storage
PostgreSQL
Cloud Platforms

Visa sponsorship

Not detected in the job text

Hiring contact

Patrick Fernandez

Keywords

Java
Python
Backend Development
REST APIs
Microservices
React
Micro-Frontend Architecture
Reusable UI Components
Agentic AI
LLM Integration
Prompt Engineering
Generative AI
GitHub Copilot
Windsurf
Claude Code
OpenShift
Kubernetes
S3 Object Storage
PostgreSQL
Relational Databases
Schema Design
Query Optimization
Performance Tuning
Data Ingestion
Feature Engineering
Technical Documentation
Cloud Platforms
Technical Leadership
Cross-Functional Collaboration

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