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Added 14 mins ago
A
Quality Assurance Lead
ATB
Calgary, AB · Edmonton, AB
- Full-time
Define and maintain comprehensive QA coverage and ensure a balanced approach between automated and manual testing throughout the Salesforce deployment pipeline
Added 14 mins ago
E
Stagiaire Développeur de Logiciels
Ericsson
Montreal, QC
- Full-time
Support the creation of automated functional tests.
Added 14 mins ago
EC
Electrical Assembler - Load Center line
Eaton Corporation
Perth, ON
- Full-time
…and engineered control assemblies, as well as performing full functional and some electrical testing on products within the Modification…
Added 14 mins ago
UO
Custodial Workload & Training Specialist
University of British Columbia
Vancouver, BC · UBCV | University Services Building (USB)
- $5,984 to $6,422 CAD / month
- Full-time
Investigates and participates in the review and testing of custodial equipment, chemicals, and methodologies and participates in the functional training of Building Service Workers.
Added 14 mins ago
Q
FY27 Intern - Design Automation & Quality Assurance Engineering Intern - Canada (16 months)
Qualcomm
Toronto, ON
- Full-time
…release qualification, database and web application development, testing and validation of engineering tools, and implementation of AI-powered solutions that improve productivity and…
Added 29 mins ago
RM
Supervisor, Centralized Scheduling
Ross Memorial Hospital
Kawartha Lakes, ON · Lindsay, ON
- Full-time
Act as the functional subject-matter expert for UKG Workforce Management, ScheduleME, and related scheduling applications.
Added 43 mins ago
SA
Sr Network Engineer
S&S Activewear
Burlington, ON
- Full-time
Validate resiliency, security, and performance through structured implementation and failover testing.
Added 43 mins ago
C
Controls Engineer - Machinery Manufacturing
CyberCoders
Tecumseh, ON
- $80,000 to $120,000 CAD / year
- Full-time
Create and modify control narratives, functional specifications, and electrical documentation.
Added 43 mins ago
RV
Senior Technical Product Manager- Virtualized Switchers
Ross Video
Ottawa, ON · Nepean, ON
- Full-time
Designing, developing and testing applications in accordance with established standards.
Added 44 mins ago
AC
Senior Full Stack Developer (AWS)
Adastra Corporation
Toronto, ON
- Other
Support testing, troubleshooting, deployment, and ongoing solution improvements
Added 59 mins ago
DS
Engineering Technician
Dorigo Systems Ltd.
Burnaby, BC
- $52,000 to $60,112 CAD / year
- Full-time
Support ICT, functional-test, and flying-probe setup.
Added 59 mins ago
CR
Research Scientist II - Toxcology
Charles River Laboratories
Montreal, QC
- Full-time
Act as a departmental representative in cross-functional initiatives and communications;
Added 1 hour ago
T
Wind Technician, Cap-Chat
TransAlta
Cap-Chat, QC
- Full-time
Added 1 hour ago
A
Interaction/Visual Designer - Advanced [AQ-24343]
Aquent
Montreal, QC
- $50 to $53 CAD / hour
- Contract
Facilitate design critiques, evaluate interactions for inclusivity, and provide expert advice to cross-functional teams and stakeholders.
Added 1 hour ago
SC
Senior Developer
SAP Careers
Montreal, QC
- $108,100 to $222,800 CAD / year
- Full-time
…GitHub Copilot, or similar in a professional setting. Deep, functional fluency with AI developer tools across the full SDLC (design, coding, testing, observability) and awareness of the…
Added 1 hour ago
AC
Workday Integration Developer
Adastra Corporation
Markham, ON
- Other
…transformations. You will collaborate with technical teams, HRIS partners, functional leads, and external vendors to translate business requirements into effective integration solutions and…
Added 1 hour ago
ST
Powertrain Design Release Engineer (Engine & Propulsion Systems)
SEGULA Technologies
Windsor, ON
- Full-time
Coordinate functional testing prior to production implementation.
Added 1 hour ago
AS
Mobile Developer (React Native)
Apex Systems
Toronto, ON
- $60 to $70 USD / hour
- Full-time
…mobile architecture patterns, reusable component approaches, testing practices, and coding standards that improve quality, consistency, and developer…
Added 1 hour ago
H
Sr Field Service Technician
Honeywell
London, ON
- Full-time
Verify system functional performance to ensure proper operations according to contract requirements including testing, calibrating verify system and peripheral device operations as per…
Added 2 hours ago
B
QA Automation Lead - ATM/POS/Payments
BeachHead
Toronto, ON
- $70 to $75 CAD / hour
- Contract
…QA Automation Lead - ATM/POS/Payments to oversee end-to-end testing across system integration testing and user acceptance testing. The successful candidate will drive QA strategy,…
Added 2 hours ago
T
PLM Business Analyst
Techso
Montreal, QC
- Full-time
Structuring, documenting, and maintaining functional and non-functional requirements while ensuring their continued alignment with business needs;
Added 2 hours ago
T
PLM Technical/Functional Architect – Teamcenter
Techso
Montreal, QC
- Full-time
Techso is looking for a PLM Technical/Functional Architect – Teamcenter to support our clients in implementing, evolving, and optimizing their Siemens Teamcenter solutions in Canada and…
Added 2 hours ago
UO
Engineering Technical Specialist, Schulich School of Engineering
University of Calgary
Calgary, AB
- Full-time
Support the preparation and delivery of undergraduate laboratory activities by ensuring equipment, chemicals, consumables, and instrumentation are available, functional, and safe to use.
Added 2 hours ago
Student Maintenance
Gibson Energy
Edmonton, AB
…Background checks may include: pre-employment drug & alcohol testing, pre-employment functional fitness testing, employment history verification, reference checks, education and/or…
Added 2 hours ago
FC
Business Analyst - Data Warehouse & Business Intelligence
Fidelity Canada
Toronto, ON
- Full-time
Support data validation and functional testing during QA/UAT phases.

Adastra Corporation

Fullstack Developer

175 Commerce Valley Dr. W Suite 301, Markham, ON, L3T 7P6, Canada

Contract

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Job details

Job type: Contract
Apply by: Oct 28, 2027
Posting language: English
Posted: Oct 28, 2026

Original job description

Overview

We are looking for a Full Stack Developer to build scalable, production-ready applications that combine modern backend engineering with advanced AI and Generative AI capabilities. The role will focus primarily on developing backend services and reusable SDKs using Python and Java, as well as integrating technologies such as large language models, retrieval-augmented generation, agentic AI, and model context protocols. You will also contribute to frontend development, cloud-based AI platforms, and the delivery of secure, reliable, and maintainable enterprise solutions

Primary Location: Toronto, ON or Brampton, ON

Work Model: Hybrid 4-Days Onsite

Employment Type: Contractor

RESPONSIBILITIES:

Design, develop, and maintain scalable backend services, APIs, and reusable SDKs using Python and Java
Build backend solutions using FastAPI, Spring Boot, and microservices architecture
Develop AI-powered applications using large language models, retrieval-augmented generation, agentic AI, LangChain, LangGraph, and Model Context Protocol
Integrate commercial and open-source AI models into enterprise applications
Build responsive web applications using React, TypeScript, and modern frontend frameworks
Integrate frontend applications with backend APIs and AI-powered services
Develop and integrate AI platform capabilities, including model gateways, prompt management, vector databases, evaluation frameworks, and guardrails
Deploy and support applications using cloud platforms, Docker, Kubernetes, and CI/CD pipelines
Implement automated testing, observability, performance optimization, and secure API design
Support enterprise authentication and authorization requirements
Collaborate with engineering, product, and cross-functional teams to deliver scalable and maintainable solutions

QUALIFICATIONS, SKILLS & EXPERIENCE:

Strong hands-on backend development experience using both Python and Java
Experience designing and developing scalable APIs, backend services, and reusable SDKs
Hands-on experience with FastAPI, Spring Boot, and microservices architecture
Strong experience developing AI and Generative AI applications
Experience working with large language models, retrieval-augmented generation, and agentic AI
Hands-on experience with technologies such as LangChain, LangGraph, and Model Context Protocol
Experience integrating commercial or open-source AI models into applications
Experience developing frontend applications using React and TypeScript
Understanding of software engineering principles, API design, automated testing, and application security
Experience delivering reliable, scalable, and production-ready software solutions
Strong collaboration and problem-solving skills

NICE TO HAVE:

Experience with AI platform capabilities such as model gateways, prompt management, vector databases, evaluation frameworks, and guardrails
Experience with Google Cloud Platform or another major cloud platform
Experience with Docker and Kubernetes
Experience building and maintaining CI/CD pipelines
Experience with observability, application monitoring, and performance optimization
Knowledge of enterprise authentication and authorization patterns
Experience supporting the full lifecycle of AI-powered applications

ABOUT ADASTRA

Adastra is a global leader in AI and data-driven transformation, helping organizations lead with artificial intelligence - responsibly, strategically, and at scale. With over 25 years of experience, Adastra empowers enterprise clients to unlock business value through data innovation, operational excellence, and smart customer engagement.

Trusted by some of the world’s most prominent brands, Adastra delivers end-to-end solutions grounded in thoughtful strategy, robust governance, and deep technical expertise. From defining vision to ensuring execution, Adastra guides organizations through every stage of their AI, data and cloud journey - building future-ready capabilities and delivering measurable, lasting impact.

Adastra serves clients across key industries including financial services, automotive, manufacturing, technology, media and telecom (TMT), healthcare, retail, and professional services. The company employs more than 2,000 professionals across North America, Europe, and Asia.

WHAT WE OFFER

Opportunity for advancement and career progression
Competitive compensation
Successful referral program
The opportunity to work with one of Canada’s 50 Best Managed Companies
Satisfaction of working for a reputable company
A flexible, dynamic, and diverse workplace

EQUAL OPPORTUNITY EMPLOYER

In our commitment to promote fair and equitable treatment of all employees and applicants, Adastra Corporation provides equal employment opportunities for all individuals regardless of age, sex, disability, race, ethnic origin, citizenship, creed, sexual orientation, marital status, or any other ground as described in the Ontario Human Rights Code. In addition, accommodation will be provided during the hiring process. Adastra Corporation’s implementation and support of employment initiatives, encourage diversified labour force participation and equal access to opportunities based on merit and performance.

AI Usage - Our hiring process includes the use of AI-enabled tools to screen applications (e.g., keyword matching, qualification ranking). A human recruiter reviews all AI-generated shortlists to make informed hiring decisions.

There has been an increased instance of fraudulent job offers coming from people posing as Adastra HR employees. Please note that Adastra will never request fees as part of our recruiting process and any emails sent to you that are not from ‘@adastragrp.com’ or ‘@talent.icims.com’ are fraudulent. All employment offers are sent via DocuSign and if you receive an employment offer from a suspicious email and not via DocuSign, it is fraudulent.

Contact careers@adastragrp.com to inquire about jobs at Adastra, to report a suspicious request for money or personal information from external websites or suspicious employment offers.

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More about this job

Responsibilities

Design and develop scalable backend services, APIs, and reusable SDKs using Python and Java. Build AI-powered applications integrating large language models, retrieval-augmented generation, and agentic AI frameworks.

Requirements

Requires strong hands-on experience in backend development with Python and Java, alongside proficiency in microservices and AI technologies. Candidates must also demonstrate experience in frontend development with React and TypeScript, and cloud-based deployment.

Skills

Python
Java
FastAPI
Spring Boot
React
TypeScript
Microservices
Large Language Models
Retrieval-Augmented Generation
LangChain
LangGraph
Docker
Kubernetes
CI/CD
API Design
Cloud Platforms

Benefits

Competitive compensation
Career progression opportunities
Referral program

Visa sponsorship

Not detected in the job text

Keywords

Fullstack Developer
Python
Java
FastAPI
Spring Boot
Microservices
Large Language Models
Retrieval-Augmented Generation
Agentic AI
LangChain
LangGraph
Model Context Protocol
React
TypeScript
Docker
Kubernetes
CI/CD
Cloud Platforms
Vector Databases
Prompt Management
API Design
Observability
Performance Optimization
Enterprise Authentication
Software Engineering
AI Platform
Data Innovation
Generative AI
Scalable Applications
Production-ready

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