Jobs in Canada

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Added 12 days ago
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QA Automation Lead - ATM/POS/Payments
BeachHead
Toronto, ON
- $70 to $75 CAD / hour
- Contract
Hands-on experience with Selenium, Playwright, Java, Maven, TestNG, QMetry, and CI/CD tools.
Added 12 days ago
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Data Engineer Intern/Co-op (Winter 2027)
TD
Toronto, ON
- Full-time
Successful candidates are expected to arrange relocation to one of our Toronto offices in a hybrid model (4 days per week in office)
Added 12 days ago
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PLM Technical/Functional Architect – Teamcenter
Techso
Montreal, QC
- Full-time
Knowledge of related technologies, such as SQL, Java, C/C++, JavaScript, XML, ITK, and SOAP and REST services;
Added 12 days ago
CC
Core Software Developer
Circle Cardiovascular Imaging
Calgary, AB
- Full-time
The Software Developer is responsible for the development of the next generation cardiovascular post-processing software and the maintenance of our existing revenue-driving products. The…
Added 12 days ago
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Développeur(euse) logiciel / Software Developer - C#/.NET
Genetec
Montreal, QC
- Full-time
Expérience en programmation orientée objet (C# ou Java)
Added 12 days ago
RC
Senior Backend Java Developer
Realtek Consulting LLC
Toronto, ON
- Contract
We are seeking 8-12 years experienced highly skilled Senior Backend Java Developer with strong expertise in Java, Spring Boot, Microservices, API Integration, Azure Cloud, and…
Added 12 days ago
AI
Senior Power Platform Engineer
Aptino, Inc.
Quebec, QC
- Contract
Added 12 days ago
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Software Developer
Actalent
Toronto, ON
- $24 to $33 CAD / hour
- Contract
As a Software Developer, you will lead the design and delivery of software services and website stacks that involve engaging creatives, cross-screen placements, targeting, optimization,…
Added 12 days ago
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Software Engineering LMTS
Salesforce
Toronto, ON · Canada - Toronto
- Full-time
Added 12 days ago
Digital Architect
Government of Alberta
AB
Experience with various programming languages (e.g., Python, Java, .NET, Node.js).
Added 12 days ago
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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 12 days ago
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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 12 days ago
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Sr. Software Developer
OpenText
Richmond Hill, ON
- Full-time
The Senior Software Developer is a hands-on technical contributor and emerging technical lead who designs, develops, and supports Java and Spring Boot microservices running on Google Cloud…
Added 12 days ago
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Manager, Software Development
OpenText
Richmond Hill, ON
- Full-time
…software engineers and technical specialists working across Java-based cloud services, Python-based AI and document intelligence, React user experiences, enterprise integrations, and…
Added 12 days ago
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Software Engineer II (Java/Spring)
TD
Toronto, ON
- Full-time
5+ years' experience with UI, Java, RESTful APIs, Spring, Spring boot and Angular.
Added 12 days ago
T
Data Engineer Intern/Co-op (Winter 2027)
TD
Toronto, ON
- Full-time
Successful candidates are expected to arrange relocation to one of our Toronto offices in a hybrid model (4 days per week in office)
Added 12 days ago
CC
Core Software Developer
Circle Cardiovascular Imaging
Calgary, AB
- Full-time
The Software Developer is responsible for the development of the next generation cardiovascular post-processing software and the maintenance of our existing revenue-driving products. The…
Added 12 days ago
EC
Java Developer
Experis Canada
Toronto, ON
- Contract
5+ years of experience developing enterprise applications using Java and Spring Boot.
Added 12 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 12 days ago
AI
Java Developer
Apptoza Inc.
Mississauga, ON
- Full-time
Must Have Technical/Functional Skills
Added 12 days ago
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RPA Platform Engineer
Zodiac Solutions, Inc
Toronto, ON
- Full-time
Added 12 days ago
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Senior Software Developer In Test - Python Automation Engineer
Telesat
Ottawa, ON
- Contract
Read and understand existing Java code and create or modify small Java scripts or utilities when required. The role does not own Java-based test automation.
Added 12 days ago
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Senior Data Engineer
Sun Life
Toronto, ON · Waterloo, ON · Sun Life Toronto One York
- Full-time
Candidates must have relevant experience in the following areas:
Added 12 days ago
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Full Stack Developers
Teckhorizon Inc
Toronto, ON
- Contract
…integrations to subscription-driven event processing using Java, Node.js, AWS Lambda, React, SMART on FHIR, and NextGen Connect…
Added 12 days ago
VS
Java AWS Developer|| CALGARY, CN (Onsite)
Verito Solutions Inc
Calgary, AB
- Contract
Ability to work on‑site five days per week, as required by the engagement

Apptoza Inc.

Java Developer

Mississauga, ON, Canada

Full-time

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Job details

Job type: Full-time
Apply by: Nov 27, 2026
Posting language: English
Posted: Oct 28, 2026

Original job description

Role: Java Developer

Mississauga, ON Hybrid 4days Full -time

Exp Range: 9 - 12 Years ---

Must Have Technical/Functional Skills

Core Development

Java (8/11/17) – strong hands on experience

Spring Boot, Spring MVC, Spring Data

Microservices architecture (service decomposition, API contracts)

REST APIs, JSON, OpenAPI / Swagger

Kafka producer, consumer, partitioning

MongoDb

Openshift / AWS

Database & Data Layer

MongoDB

o Document modeling

o Indexing strategies

o Aggregation framework

o CRUD & performance tuning

Integration & Messaging

Experience with Kafka (preferred)

REST based integrations with upstream/downstream systems

Roles & Responsibilities

Design, develop, and maintain Java based microservices

Implement RESTful APIs adhering to enterprise design standards

Develop and optimize SQL queries (E2 level) for transactional and reporting use cases

Design and manage MongoDB schemas, indexes, and queries

Ensure high availability, scalability, and performance of microservices

Apply exception handling, logging, monitoring, and resiliency patterns

Collaborate with Business Analysts, Architects, QA, and DevOps teams

Participate in code reviews, unit testing, and defect resolution

Support CI/CD pipelines, deployments, and production issues

Follow secure coding and compliance standards

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More about this job

Responsibilities

Design, develop, and maintain Java microservices and REST APIs, while optimizing SQL queries and managing MongoDB schemas, indexes, and queries. Ensure service reliability, scalability, security, and performance; collaborate across teams; and contribute to testing, code reviews, deployments, and production support.

Requirements

Requires 9–12 years of experience and strong hands-on Java experience with Java 8, 11, or 17, along with Spring frameworks and microservices architecture. Candidates should have experience with REST integrations, Kafka, MongoDB data modeling and performance tuning, and OpenShift or AWS.

Skills

Java
Spring Boot
Spring MVC
Spring Data
Microservices
REST APIs
JSON
OpenAPI
Swagger
Kafka
MongoDB
SQL
OpenShift
AWS
CI/CD
Unit Testing

Visa sponsorship

Not detected in the job text

Keywords

Java
Java 8
Java 11
Java 17
Spring Boot
Spring MVC
Spring Data
Microservices Architecture
Service Decomposition
API Contracts
REST APIs
JSON
OpenAPI
Swagger
Apache Kafka
Kafka Producers
Kafka Consumers
Partitioning
MongoDB
Document Modeling
Indexing Strategies
Aggregation Framework
CRUD
SQL
OpenShift
AWS
CI/CD
Resiliency Patterns
Secure Coding
Performance Tuning

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Work requirements

Jobs in Canada