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Added 10 mins ago
NS
Marine Electrician
Nova Scotia Boatbuilders Association
Lunenburg, NS
- Full-time
Reporting to the Mechanical Shop Manager, the Marine Electrician will be responsible for the electrical
Added 10 mins ago
CO
Engineering Technician II
City of Greater Sudbury
Sudbury, ON · Greater Sudbury, ON
- Full-time
Characteristic: Under the general supervision of the Manager of Design Services.
Added 10 mins ago
AC
Manager, Account
AVI-SPL Canada
Markham, ON
- Full-time
…technology solutions, which include our award-winning managed…
Added 13 mins ago
T
Guidewire Software Engineer I
TD
Toronto, ON
- Full-time
Develop new solutions as required for engineering programs and projects within assigned area
Added 13 mins ago
T
Quality Engineer I
TD
Toronto, ON
- Full-time
Continuously improve test coverage, automation effectiveness, and overall quality engineering practices.
Added 13 mins ago
B
Principal Architect
BDO
Vancouver, BC · Kitchener, ON · Markham, ON · Oakville, ON · Ottawa, ON · Toronto, ON
- Full-time
…technical leadership and mentorship to architects, and gives the Manager, Architecture & Design informed feedback on performance and…
Added 13 mins ago
B
Principal Architect
BDO
Calgary, AB · AB · Halifax, NS
- Full-time
…technical leadership and mentorship to architects, and gives the Manager, Architecture & Design informed feedback on performance and…
Added 14 mins ago
TS
Technical Project Manager
TÜV SÜD
Ottawa, ON
- $80,000 to $100,000 CAD / year
- Full-time
The Technical Project Manager leads customer-facing technical projects from award through closure, with emphasis on cybersecurity, connected products, regulatory compliance, and…
Added 27 mins ago
D
Principal Product Manager
Docker
Remote, Canada
- Full-time
- Remote
The Products Team at Docker is looking for a Principal Product Manager for our core Sandbox platform. You will own and drive an investment and product area from high-level concept design to…
Added 37 mins ago
GS
Human Resources Director
Groupe SBSE
Montreal, QC · Greater Montreal Metropolitan Area
- Full-time
Experience in professional services, engineering, construction, or real estate sectors is beneficial.
Added 37 mins ago
N
Analyst, Data Services
Nutrien
Saskatoon, SK
- Full-time
Nutrien is a leading provider of crop inputs and services, and our business results make a positive impact on the world. Our purpose, Feeding the Future, is the reason we come to work each…
Added 37 mins ago
N
Sr Analyst, Cybersecurity, Industrial Controls
Nutrien
Saskatoon, SK
- Full-time
Nutrien is a leading provider of crop inputs and services, and our business results make a positive impact on the world. Our purpose, Feeding the Future, is the reason we come to work each…
Added 37 mins ago
N
Analyst, Data Services
Nutrien
Saskatoon, SK
- Full-time
Nutrien is a leading provider of crop inputs and services, and our business results make a positive impact on the world. Our purpose, Feeding the Future, is the reason we come to work each…
Added 38 mins ago
N
Analyst, Data Services
Nutrien
Calgary, AB
- Full-time
Nutrien is a leading provider of crop inputs and services, and our business results make a positive impact on the world. Our purpose, Feeding the Future, is the reason we come to work each…
Added 38 mins ago
N
Analyst, Data Services
Nutrien
Calgary, AB
- Full-time
Nutrien is a leading provider of crop inputs and services, and our business results make a positive impact on the world. Our purpose, Feeding the Future, is the reason we come to work each…
Added 38 mins ago
GE
Hotel Maintenance Supervisor
Grey Eagle Resort & Casino
Calgary, AB
- Full-time
This position reports to the Facilities Manager.
Added 38 mins ago
N
Sr Analyst, Cybersecurity, Industrial Controls
Nutrien
Calgary, AB
- Full-time
Nutrien is a leading provider of crop inputs and services, and our business results make a positive impact on the world. Our purpose, Feeding the Future, is the reason we come to work each…
Added 38 mins ago
TT
Finance Operations Manager
Tundra Technical Solutions
Toronto, ON
- $95,000 to $120,000 CAD / year
- Full-time
The Finance Operations Manager leads Tundra's Accounts Receivable, Accounts Payable, and Billing operations, overseeing people, processes, controls, and service delivery. This role manages…
Added 38 mins ago
KH
SAP Integration Manager
Kraft Heinz
Toronto, ON
- Full-time
The SAP Integration Manager is a senior technical leadership role within the Global Development Factory, responsible for designing, developing, and delivering enterprise integration…
Added 56 mins ago
B
Senior Project Manager (Alternative Design)
Binnie
Burnaby, BC
- Full-time
Binnie is looking for a Senior Project Manager to join our Alternative Design Services Division, which focuses on alternative delivery model assignments and complicated multidisciplined…
Added 56 mins ago
W
Enterprise DataOps & Governance Platform Product Owner
Workday
Toronto, ON · Canada, ON, Toronto
- Full-time
Write detailed user stories, acceptance criteria, and functional requirements to ensure clear direction for engineering and data development teams.
Added 56 mins ago
SE
Mine Superintendent
Source Energy
AB · Northern Sunrise County, AB
- Full-time
Ensure work is performed within the HSE Management system, to ensure a high level of health and safety, Environmental stewardship and quality products and services.
Added 56 mins ago
TE
Operations and Maintenance Site Technician
TC Energy
Grande Prairie, AB · Bear Creek Power Plant
- Full-time
Solicit vendor quotations for replacement parts, materials and contractor services and complete requisitions for manager approval
Added 1 hour ago
A
Gestionnaire De Projet
Actalent
Mirabel, QC
- $42 to $60 CAD / hour
- Contract
Industrial, Manufacturing, or Mechanical Engineering.
Added 1 hour ago
District Energy System Team Lead, M&E Buildings
WSP
Vancouver, BC
Direct mechanical and electrical district energy design as Lead Engineer or Technical Manager, providing technical oversight from studies and detailed engineering through implementation.

Themesoft Inc.

Lead Full Stack Developer

Toronto, ON, Canada

Contract

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Applications open in a new tab.

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

Apply About employer

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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