Jobs in Canada

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Added 9 days ago
SM
RQ11486 – Data Ops/Cloud Data Engineer – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
Experience with scripting languages, including Python, Unix shell, and Scala.
Added 9 days ago
SM
RQ11716 – Systems Testing/QA Specialist – Intermediate
S M Software Solutions Inc
Toronto, ON
- Internship
Understanding of scripting languages (e.g., Python, JavaScript, Bash) for automation or test data setup.
Added 9 days ago
SM
RQ11486 – Data Ops/Cloud Data Engineer – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
Experience with scripting languages, including Python, Unix shell, and Scala.
Added 9 days ago
SM
RQ11716 – Systems Testing/QA Specialist – Intermediate
S M Software Solutions Inc
Toronto, ON
- Internship
Understanding of scripting languages (e.g., Python, JavaScript, Bash) for automation or test data setup.
Added 9 days ago
SM
RQ11716 – Systems Testing/QA Specialist – Intermediate
S M Software Solutions Inc
Toronto, ON
- Internship
Understanding of scripting languages (e.g., Python, JavaScript, Bash) for automation or test data setup.
Added 9 days ago
SM
RQ11486 – Data Ops/Cloud Data Engineer – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
Experience with scripting languages, including Python, Unix shell, and Scala.
Added 9 days ago
SM
RQ11529 – Automation Developer – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
We are seeking a Senior Automation Developer with strong hands-on experience in test automation, quality assurance, and automated testing frameworks. The ideal candidate will have expertise…
Added 9 days ago
SM
RQ11529 – Automation Developer – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
We are seeking a Senior Automation Developer with strong hands-on experience in test automation, quality assurance, and automated testing frameworks. The ideal candidate will have expertise…
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
SQ
Doctoral Student
Santé Québec - Institut de cardiologie de Montréal
Montreal, QC
- Full-time
· Strong programming skills in R and/or Python, experience with Linux and statistical analysis, and demonstrated ability to analyze high-throughput sequencing data.
Added 9 days ago
PR
Robotics and Control Support Engineer
Promise Robotics
Calgary, AB
- Full-time
(Preferred) Programming experience in Python, C, C++ or similar language
Added 9 days ago
GM
Backend Engineer (Co-op)
General Magic
Toronto, ON
- Full-time
Comfort with APIs, databases and at least one backend language, ideally Python
Added 9 days ago
GM
AI Engineer (Co-op)
General Magic
Toronto, ON
- Full-time
Solid programming fundamentals, ideally in Python
Added 9 days ago
Software Engineer Intern (Winter 2027)
HeyGen
Toronto, ON
…career as a software engineer. Tech Stack: Typescript, React, Python,…
Added 9 days ago
HT
Software Validation Technologist
Husky Technologies
Bolton, ON
- Full-time
Experience with C# compliant languages such as C, Java, and Python -Experience with Modbus , Ethernet, EtherCAT
Added 10 days ago
NB
Senior Analyst Middle Office
National Bank of Canada
Montreal, QC
- Full-time
Programming skill - VBA, Python, SQL would be beneficial
Added 10 days ago
CO
Application & Integration Technical Analyst
City of Saint John
Saint John, NB
- Full-time
Server-side languages: C#/.NET, Java, Python, PHP
Added 10 days ago
TI
Lead Full Stack Developer
Themesoft Inc.
Toronto, ON
- Contract
7+ years of backend development experience in Java or Python
Added 10 days ago
DE
Data & AI Engineer / Ingénieur Des Données & IA
Dunsky Energy + Climate Advisors
Toronto, ON · Greater Toronto Area, Canada
- Full-time
Added 10 days ago
R|
Programmer
RI-MUHC | Research Institute of the MUHC | #rimuhc
Montreal, QC
- Full-time
Proficiency in Python and/or other relevant programming or scripting languages.
Added 10 days ago
R|
Postdoctoral Fellow
RI-MUHC | Research Institute of the MUHC | #rimuhc
Montreal, QC
- Full-time
Proficiency with relevant analytical tools or programming languages such as R and/or Python is highly desirable.
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
Added 10 days ago
DE
Data & AI Engineer / Ingénieur Des Données & IA
Dunsky Energy + Climate Advisors
Montreal, QC · Greater Montreal Metropolitan Area
- Full-time
Added 10 days ago
HB
Graduate Quant Developer / Quant Researcher - Up to $150,000 + Bonus + Benefits
Hunter Bond
Montreal, QC
- Full-time
🎓 Graduate Quant Developer / Quantitative Researcher

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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