Jobs in Canada

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Added 15 days ago
C
Senior Solutions Engineer
ChapsVision
Montreal, QC
- Full-time
Solides compétences en programmation (Python, Java, C#, etc.).
Added 15 days ago
Senior Software Dev Engineer, Route 53 Health Checks and Console Core
Amazon
Vancouver, BC
Our health checking stack is primarily Java and Linux, with lots of interaction with public AWS services and Amazon internal tools. Our console stack is TypeScript and React. We do not…
Added 15 days ago
Staff Software Engineer, Identity Threat Protection
Okta
Toronto, ON
Deep expertise in Java, including a strong understanding of object-oriented design, multithreading, and building high-performance services.
Added 15 days ago
MI
Intermediate Full-Stack Developer
Method Integration Inc.
Remote, Canada
- $70,000 to $90,000 CAD / year
- Full-time
- Remote
As an Intermediate Full-Stack Developer on the Growth team, you'll build the experiments that decide how new users sign up, find value and subscribe to Method. You'll ship real changes to…
Added 15 days ago
B
BMO Capital Markets Quantitative Trading Analyst – 12–16 Month Co-op
BMO
Toronto, ON · FCP
- Full-time
Programming languages such as Python, Java C++, C#,
Added 16 days ago
AS
Mobile Developer (React Native)
Apex Systems
Toronto, ON
- $60 to $70 CAD / hour
- Full-time
Must Have skills:
Added 16 days ago
AC
Fullstack Developer
Adastra Corporation
Markham, ON
- Contract
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…
Added 16 days ago
A
Entry Level Technology Development Program - Summer Analyst - Canada - NAELFY27
Accenture
Calgary, AB · Vancouver, BC · Ottawa, ON · Toronto, ON · Montreal, QC · Regina, SK
- Full-time
Demonstrated proficiencies in 2-3 programming skills (Java, C/++, Python)
Added 16 days ago
FG
Software Developer | Banking & Capital Markets
FDM Group
Toronto, ON
- Contract
This role will be hybrid with requirements to be in office 3 days per week
Added 16 days ago
C
VP Senior Software Engineer – Java & Distributed Systems
Citi
Mississauga, ON
- Full-time
Front-end development experience (Angular, React, or similar)
Added 16 days ago
G
Chef(fe) d'équipe tests de production / Test Software Team Lead - Manufacturing
Genetec
Montreal, QC
- Full-time
Excellente maîtrise de C# ou d'un langage moderne (Java, React, Angular, Go)
Added 16 days ago
L
Senior Full Stack Developer (Java/React)
Luxoft
Toronto, ON
- Contract
7+ years of experience with Java in enterprise systems
Added 16 days ago
G
Chef(fe) d'équipe tests de production / Test Software Team Lead - Manufacturing
Genetec
Remote, Canada
- Full-time
- Remote
Excellente maîtrise de C# ou d’un langage moderne (Java, React, Angular, Go)
Added 16 days ago
RE
Full Stack Developer – Java/JS
Randstad Enterprise
Montreal, QC
- Contract
We're seeking someone to join our Risk and Information Management team as a Full Stack Developer with experience on multi-tiered Java EE-style applications and Front-End technologies. The…
Added 17 days ago
Senior Technical Delivery Manager - Web & Cloud Platforms
Rogers Communications
Toronto, ON
…and day-to-day operations, using modern technologies such as React, Angular, Node.js, Java/Spring Boot and .NET, deployed on AWS, Azure or Google Cloud with Kubernetes and serverless…
Added 17 days ago
A
Full Stack Software Developer
ATB
Calgary, AB · Edmonton, AB
- Full-time
…test coverage. We love microservices and, while we mostly use React, Node.js, Python, TypeScript, Java on Google Cloud Platform, Linux and Kubernetes, new services can be built using…
Added 17 days ago
N
Software Developer
neurohire.ai
Remote, Canada
- $70,000 to $90,000 CAD / year
- Full-time
- Remote
NeuroHire is looking for a motivated and talented Software Developer to join our team. In this role, you will contribute to developing, testing, and maintaining software applications while…
Added 17 days ago
RI
Senior Forward Deployed Engineer - Java/ Python | Capital Markets
Rose International
Mississauga, ON
- Full-time
4+ years of professional software engineering experience, with demonstrable experience as a Full-Stack Developer transitioning into a customer-facing, Forward Deployed Engineer (FDE)-style…
Added 17 days ago
RI
Senior Full-Stack Java Developer (Kafka/ Angular)
Rose International
Mississauga, ON
- Full-time
Seeking a Senior Full Stack Java Developer to join a technology team supporting applications and digital solutions within the Banking / Financial Services domain.
Added 17 days ago
Software Engineer 3, Identity and Access Management
MongoDB
Toronto, ON
…workloads, embrace innovation, and unleash AI. Our industry-leading developer data platform, MongoDB Atlas, is the only globally distributed, multi-cloud database and is available in more…
Added 17 days ago
D
Java Developer
Dexian
Mississauga, ON
- Other
Java, Spring Boot, Angular/React, Oracle, MS SQL Server, MongoDB, Python, Devin, GitHub Copilot
Added 17 days ago
MM
Sr Java / Dev Ops
Mitchell Martin Inc.
Mississauga, ON
- $73 to $78 CAD / hour
- Other
Join a dynamic team in a hybrid role focused on enhancing developer productivity. This contract position involves designing, developing, and deploying cutting-edge internal tools and…
Added 17 days ago
MM
Senior Forward Deployed Engineer
Mitchell Martin Inc.
Mississauga, ON
- $62 to $67 CAD / hour
- Other
Java | Python | Spring Boot | Microservices | REST APIs | FastAPI | Flask | Docker | Kubernetes | Jenkins | Oracle Database | SQL Server | MongoDB | React | Angular
Added 17 days ago
MM
Senior Full Stack Developer – Java/React
Mitchell Martin Inc.
Toronto, ON
- $59 to $64 CAD / hour
- Other
Senior Full Stack Developer - Java/React- Hybrid - Contract - $59.00-$64.00 Per Hr
Added 17 days ago
MM
Java Developer Mid
Mitchell Martin Inc.
Mississauga, ON
- $62 to $67 CAD / hour
- Other
Java Developer Mid - Hybrid - Contract - $62.00-$67.00 Per Hr

Adastra Corporation

Fullstack Developer

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

Contract

Apply on careers.adastracorp.com About employer

Applications open in a new tab.

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.

Apply on careers.adastracorp.com About employer

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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Work requirements

Jobs in Canada