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Added 4 days ago
PC
Senior Software Development Engineer in Test (SDET) / Quality Engineering Architect
Pyramid Consulting, Inc
Mississauga, ON
- $70 to $79 CAD / hour
- Contract
Certifications such as Certified Software Test Architect, AWS/GCP Cloud Architecture, or Java SE Professional Developer Certification are advantageous.
Added 4 days ago
AS
Backend Developer
Axelon Services Corporation
Montreal, QC
- $65.52 USD / hour
- Other
Strong technology background with advanced knowledge of Java and Java-based technology stack.
Added 4 days ago
EC
GEN Ai Developer
Experis Canada
Toronto, ON
- Contract
Reverse engineer existing applications built using Python, Java, Angular, and Mule to generate architecture, data flow, and sequence diagrams.
Added 4 days ago
C
AI Architect-Governance & Delivery Lead
CGI
Toronto, ON
- Full-time
Define reference architectures for enterprise GenAI and agentic solutions, covering LLM integration, APIs, cloud deployment, state management, orchestration, and tool access (including MCP…
Added 4 days ago
SS
Java Developer
Staffmax Staffing & Recruiting
Mississauga, ON
- $120,000 to $130,000 CAD / year
- Full-time
We are looking for an experienced Java Developer to design, develop, and maintain scalable, high-performance microservices and REST APIs. The ideal candidate will have strong hands-on…
Added 4 days ago
AI
SENIOR JAVA DEVELOPER – SPRING BOOT, MICROSERVICES, KAFKA & MONGODB
Astra-North Infoteck Inc. ~ Conquering today’s challenges, achieving tomorrow’s vision!
Mississauga, ON
- Full-time
Design, develop, and maintain Java-based microservices.
Added 4 days ago
AI
SENIOR JAVA DEVELOPER – SPRING BOOT, MICROSERVICES & REST APIs
Astra-North Infoteck Inc. ~ Conquering today’s challenges, achieving tomorrow’s vision!
Mississauga, ON
- Full-time
Design, develop, test, and maintain enterprise-grade Java applications.
Added 4 days ago
UO
Programmer Analyst II
University of British Columbia
Vancouver, BC · UBCV | The Leonard S. Klinck Building (LSK)
- $8,810.92 to $13,202.5 CAD / month
- Full-time
…planning, implementation and operation of an enterprise-scale data integration solution for the University of British Columbia that transforms the processes and systems by which data is…
Added 4 days ago
UO
Programmer Analyst II
University of British Columbia
Vancouver, BC · UBCV | The Leonard S. Klinck Building (LSK)
- $8,810.92 to $13,202.5 CAD / month
- Full-time
…planning, implementation and operation of an enterprise-scale data integration solution for the University of British Columbia that transforms the processes and systems by which data is…
Added 4 days ago
C
DevOps Consultant, Application Development
CIBC
Toronto, ON
- Full-time
Build & Deploy - Design, develop and maintain build and automated code deployment systems. Define, build code (Golang, Java, NodeJS, C++, JBoss EAP), create artifacts/docker images and…
Added 4 days ago
SD
Senior Java Developer
Symbiotic Digital
Toronto, ON · Queen's Park Ontario Provincial Government, Ontario
- Contract
We are seeking a Senior Java Developer - Full Stack to
Added 4 days ago
UT
Java Programmer # 26-27285
US Tech Solutions
Fredericton, NB
- $60 to $65 CAD / hour
- Contract
Support Java-based application development, maintenance, and troubleshooting.
Added 4 days ago
D
Software Engineer in Test
Dexian
Mississauga, ON
- Other
…cloud-native test automation frameworks from scratch using Core Java, BDD/TDD principles, and modern architectural design…
Added 4 days ago
L
Senior Forward Deployment Engineer
Luxoft
Mississauga, ON
- Full-time
…performing dependency and reachability analysis, upgrading Java and NPM runtimes, modernizing Spring and legacy middleware applications, improving CI/CD pipelines, containerizing…
Added 4 days ago
Technical Consultant I
Zafin
Toronto, ON
…billing, loyalty, and relationship management; and Zafin IO, an integration platform that connects data, systems, and workflows across complex enterprise…
Added 4 days ago
NS
Senior Java Developer
N2P Systems
Mississauga, ON
- Full-time
We are seeking an experienced Java Developer with strong hands-on expertise in Java, Spring Boot, microservices architecture, MongoDB, and Apache Kafka.
Added 4 days ago
T
Manager, Engineering (Small Business Card ART)
TD
Toronto, ON
- Full-time
7+ years proven experience as a Java Developer and Spring Boot with previous experience developing RESTful APIs (Node JS, Angular, Hibernate) and microservices.
Added 4 days ago
NS
Senior Java Low Latency Developer
N2P Systems
Mississauga, ON
- Full-time
We are seeking an experienced Senior Java Low Latency Developer to design, develop, and optimize high-performance enterprise applications within a banking and financial services environment.
Added 4 days ago
W
Programmer Analyst II
Workiy
Fredericton, NB
- Contract
Added 4 days ago
UO
Bioinformatics Specialist
University of British Columbia
Vancouver, BC · PHSA | BC Children's Hospital Research Institute - North Block (BCRI CMMT) (BCHRIN)
- $8,810.92 to $13,202.5 CAD / month
- Full-time
Added 4 days ago
C
Consultant, Back End Developer
CIBC
Toronto, ON
- Full-time
…enterprise-scale solutions on modern platforms with a variety of system integration and patterns. As a Consultant Back End Developer, you first need to be an expert programmer. You will…
Added 4 days ago
TA
Agentic AI Architect
Tiger Analytics
Canada
- Full-time
Integration & Scalability: Ensure seamless integration of AI agents with legacy enterprise systems, APIs, RPA tools, and real-time data streams while optimizing for cost, latency, and…
Added 4 days ago
BR
Java Software Engineer
Benchmark Recruitment
Vancouver, BC · Greater Vancouver Metropolitan Area
- Contract
Job Title: Senior Java Backend Engineer – Cloud & Data
Added 4 days ago
M
RQ11825 - Software Developer - Senior
Maarut
Toronto, ON
- Contract
Additional Skills for Oracle Software Developer:
Added 4 days ago
T
SAP AI Orchestration Developer
Talan
Toronto, ON · Montreal, Québec
- $140,000 to $200,000 CAD / year
- Full-time
…Delivery for engagement assignment, the SAP AI Orchestration Developer designs and builds AI-enabled business processes on the SAP Business AI…

Symbiotic Digital

Senior Java Developer

Toronto, ON, Canada
Queen's Park Ontario Provincial Government, ON, Canada

Contract

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Job details

Job type: Contract
Posting language: English
Posted: Oct 27, 2026

Original job description

Position: Senior Java Developer

Location: Toronto, ON

Job ID#: RQ11738

Duration: 12 Months

Role Overview

We are seeking a Senior Java Developer - Full Stack to design, develop, integrate, test, deploy, and maintain enterprise platform capabilities across user interface, service, API, workflow, integration, and data access layers. This role is responsible for building reusable platform services that support multiple business programs while implementing service-specific integrations for modern enterprise applications.

The successful candidate will work closely with architects, product managers, business analysts, UX designers, QA specialists, DevOps engineers, security teams, and business stakeholders to deliver secure, scalable, observable, and maintainable software solutions. The role also provides technical leadership through design reviews, estimation, code reviews, testing, troubleshooting, mentoring, documentation, and production support.

Key Responsibilities

Design, develop, integrate, test, deploy, and maintain enterprise platform applications.
Translate approved technical specifications into secure, tested, and maintainable software solutions.
Develop detailed programming specifications and application code.
Design and develop frontend, backend, API, integration, workflow, middleware, and data access components.
Build and maintain Java-based microservices, REST APIs, RESTful web services, and reusable platform services.
Develop and maintain database objects, queries, data transformations, conversion routines, and integration components.
Implement security gateways and protocols, including identity, access management, token-based authentication, certificates, and secure communications.
Create and maintain automated unit, integration, API, database, and user interface tests.
Participate in design walkthroughs, code reviews, estimation activities, sprint planning, release planning, and technical decision-making.
Review and modify build, configuration, installation, and deployment scripts.
Troubleshoot technical issues during development, migration, deployment, and operational activities.
Collaborate with multidisciplinary teams throughout the software development lifecycle.
Provide production support and continuously improve application performance, reliability, extensibility, and maintainability.
Prepare and maintain technical, deployment, support, and user documentation.
Provide technical guidance while ensuring delivery commitments are met.

Required Experience

Ten or more years of experience designing and developing large-scale, multi-client web applications or equivalent senior-level software development experience.
Extensive hands-on Java development experience.
Strong experience working with Oracle, SQL, or comparable relational database technologies.
Significant experience with REST APIs and RESTful web services.
Experience translating system specifications into working applications, including coding, debugging, testing, maintenance, and documentation.
Experience with microservice architecture and architecture best practices.
Strong understanding of object-oriented programming, design patterns, refactoring, and clean code principles.
Experience developing Internet-ready applications.
Experience working in Agile delivery environments.
Experience with relational and hierarchical databases, query optimization, and data access components.
Experience with security technologies including JSON Web Tokens (JWT), OAuth 2.0, and SSL certificates.
Experience with middleware, enterprise integrations, communications protocols, and data migration activities.
Experience using Azure DevOps or equivalent tools for source control, build, testing, and deployment pipelines.
Experience conducting code reviews, design walkthroughs, and technical troubleshooting activities.
Experience working with diverse business and technical stakeholders.
Experience supporting implementation, conversion, migration, and post-implementation activities.

Technical Skills

Core Skills

Java Development
Oracle Database
SQL
REST APIs
RESTful Web Services
Microservices Architecture
Azure DevOps
Agile Delivery

Technical Competencies

JWT
OAuth 2.0
SSL Certificates
Secure Communications
Identity Integration
Middleware Technologies
Database Design and Optimization
Deployment Automation
Application Troubleshooting
Technical Documentation

Soft Skills

Strong written and verbal communication skills.
Analytical and systematic problem-solving abilities.
Strong decision-making and negotiation capabilities.
Ability to lead discussions and participate in design walkthroughs.
Ability to work effectively with technical and non-technical teams.
Proven ability to perform under pressure and meet deadlines.
Adaptability in fast-paced environments with changing priorities.

Preferred Experience

Experience with public-sector development standards, governance, accessibility, security, information management, and documentation practices.

About Symbiotic Digital.

Symbiotic Digital provides the IT Experts you need that solve problems and get things done. See what the top 2% in their field can do for you. (Symbiotic Digital is a division of Symbiotic Group Inc.) We serve

customers in two ways, we provide:

Digital Experts: IT Consulting expertise. Bright Minds That Produce Proven Results
Recruitment: Find The Right People You Need

Serving IT & Business leaders, Symbiotic Digital provides a business system that enable us to provide the Expert Technical staff needed to solve challenging business and IT problems. IT leaders in the most reputable organizations in Canada have relied on Symbiotic Digital to help them staff difficult assignments with proven Experts uniquely evaluated by our proven QMS- Quality Management System Staff Development Model. We are a 100% Indigenous owned company.

Learn more online at https://www.symbioticgroup.com/home-sd/.

Please submit your most recent resume to: RecDep@symbioticgroup.com

View All Jobs online at: https://www.symbioticgroup.com/view-jobs/

Apply About employer

More about this job

Responsibilities

The Senior Java Developer will design, develop, and maintain enterprise platform applications across full-stack layers. They are responsible for building reusable services, implementing integrations, and providing technical leadership through code reviews and mentoring.

Requirements

Candidates must have ten or more years of experience in large-scale web application development with extensive Java expertise. Strong proficiency in relational databases, RESTful web services, and microservice architecture is required.

Skills

Java
Oracle Database
SQL
REST APIs
Microservices Architecture
Azure DevOps
Agile Delivery
JWT
OAuth 2.0
SSL Certificates
Middleware
Database Design
Deployment Automation
Application Troubleshooting
Technical Documentation
Full Stack Development

Visa sponsorship

Not detected in the job text

Keywords

Java
Oracle
SQL
REST APIs
Microservices
Azure DevOps
Agile
JWT
OAuth 2.0
SSL
Middleware
Full Stack
Enterprise Platform
Database Optimization
Deployment Scripts
Identity Management
Access Management
Web Services
Production Support
Technical Leadership
Design Patterns
Clean Code
Relational Databases
Hierarchical Databases
Data Access
Communication Protocols
Data Migration
System Specifications
Troubleshooting

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