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Added 12 days ago
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Solution Engineering Manager
Hitachi
Toronto, ON · (RSBU) Toronto
- Full-time
Oversee the development of cost and time estimates for project activities to meet business and customer objectives.
Added 12 days ago
HD
Affiliate and Influencer Program Manager
Hadley Designs
Remote, Canada
- Full-time
- Remote
Access to learning resources and professional development
Added 12 days ago
HD
Amazon Brand Manager
Hadley Designs
Remote, Canada
- Full-time
- Remote
Personal development and autonomy over your time
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Substation Technologist
AltaLink
Acheson, AB
- Full-time
Ensure development and documentation of Safe Work Plans as required.
Added 12 days ago
Senior Financial Reporting Analyst | Great West
The Canada Life Assurance Company
Winnipeg, MB
development teams to maintain or add source systems Participate in Master Data Governance for the Lifeco Chart of Accounts including new companies, general ledger accounts, profit centers,…
Added 12 days ago
Human Resources Business Partner
The Canada Life Assurance Company
Winnipeg, MB · London, ON · Toronto, ON · Montreal, QC
…service to executive/senior level people leaders, to support the development and delivery of the HR agenda that aligns to the vision and strategies of the…
Added 12 days ago
Director, AI Wealth Enablement
The Canada Life Assurance Company
London, ON · Toronto, ON · ON · Mississauga Ontario, ON
…AI – this includes opportunity identification, business case development, prioritization, and value realization. Success in this role will be measured by AI driven value realization across…
Added 12 days ago
Coordinator, Government Affairs
Independent Electricity System Operator
Canada
…government-facing activities through research, analysis, briefing material development, calendar management, correspondence coordination, approval tracking, project coordination, and issue…
Added 12 days ago
Buyer
Quadbridge
Montreal, QC
Grow With Us – Take advantage of ongoing professional training and development opportunities.
Added 12 days ago
MN
Customer Operations Specialist
March Networks
Remote, Canada
- Full-time
- Remote
…for a healthy work-life balance, as well as the professional development opportunities needed to advance your career. At March Networks, we value your hard work, creativity and your…
Added 12 days ago
Nurse 2 - Resource Team
Winnipeg Regional Health Authority
Winnipeg, MB
Ability to recognize and pursue self-development opportunities.
Added 12 days ago
Human Resources Consultant - Repost
Winnipeg Regional Health Authority
Winnipeg, MB
…attendance management. Labour Relations - contract interpretation, application of progressive discipline up to and including dismissal, grievance handling, collective bargaining. Employee…
Added 12 days ago
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Reset Merchandiser
Acosta
Red Deer, AB
- Part-time
We recognize our associates are the foundation of our success. That’s why we prioritize your growth, development, and well-being to help you reach your full potential. With programs…
Added 12 days ago
A
Reset Merchandiser
Acosta
Saskatoon, SK
- Part-time
We recognize our associates are the foundation of our success. That’s why we prioritize your growth, development, and well-being to help you reach your full potential. With programs…
Added 12 days ago
Energy Group Leader
Mott MacDonald
Calgary, AB
…including resource performance, workforce readiness, employee development and retention, technical quality, operational compliance, cross-business collaboration, and effective pursuit…
Added 12 days ago
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Electrical Engineering Specialist I
Schneider Electric
AB · Edmonton, Alberta
- Full-time
Join us as an Electrical Engineering Specialist I and contribute to the development of low-voltage electrical systems that support critical industrial operations across a wide range of…
Added 12 days ago
NC
DZ Driver
Noble Corporation
Barrie, ON
- Full-time
Added 12 days ago
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HVAC/Hydronics Inside Sales Representative
Noble Corporation
Toronto, ON · Rexdale, Ontario
- Full-time
Added 12 days ago
NC
Inside Sales Representative - HVAC
Noble Corporation
Concord, ON
- Full-time
Added 12 days ago
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Contract Specialist - 12 month Assignment
KIK Consumer Products
Concord, ON
- Full-time
…Assistance to our employees to encourage continued personal development and…
Added 12 days ago
Construction Technologist
Government of Alberta
Peace River, AB
Providing input for the development, implementation and delivery of strategies for construction and rehabilitation projects identified in the department's 3-year, 5-year, 10-year and…
Added 12 days ago
Legal Assistant, Edmonton (Multiple Positions Available)
Government of Alberta
AB
Develop Self and Others: Desire to invest in the development of the long-term capability of self and others.
Added 12 days ago
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Senior Project Manager
Symbiotic Digital
Toronto, ON · Queen's Park Ontario Provincial Government, Ontario
- Contract
organizational development, strategy development, business planning, and
Added 12 days ago
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Senior Java Developer
Symbiotic Digital
Toronto, ON · Queen's Park Ontario Provincial Government, Ontario
- Contract
detailed programming specifications and application code.
Added 12 days ago
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Senior DevOps Engineer
Symbiotic Digital
Toronto, ON · Queen's Park Ontario Provincial Government, Ontario
- Contract
development teams with troubleshooting application code, dependencies,

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/

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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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