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Added 4 days ago
PH
Intermediate Software Developer
Propel Holdings
Toronto, ON
- Full-time
5-7 years of hands-on experience as a software developer (Java + Spring Boot + Hibernate/JPA + REST)
Added 4 days ago
M
Senior Software Engineer - Credit Commercial Engineering
Marqeta
Remote, Canada
- Full-time
- Remote
You have 5+ years of industry experience in software development in Java, service-oriented architectures, and cloud computing (AWS preferred).
Added 4 days ago
CO
Application & Integration Technical Analyst
City of Saint John
Saint John, NB
- Full-time
Server-side languages: C#/.NET, Java, Python, PHP
Added 4 days ago
HT
Software Validation Technologist
Husky Technologies
Bolton, ON
- Full-time
Experience with C# compliant languages such as C, Java, and Python -Experience with Modbus , Ethernet, EtherCAT
Added 4 days ago
AS
Full Stack Designer /Developer
Apex Systems
Toronto, ON
- $55 to $80 USD / hour
- Contract
We are seeking an Expert Full Stack Developer to design, build, and maintain both front-end interfaces and back-end systems, including APIs, microservices, databases, and cloud deployments.…
Added 4 days ago
C
Java Azure Developer (Supply Chain Applications)
Cognizant
Mississauga, ON
- $57,600 to $105,000 CAD / year
- Full-time
We are seeking a Java Azure Developer (Supply Chain Applications) to join our team in Mississauga, Ontario. In this hybrid role, you will design, develop, and optimize enterprise…
Added 4 days ago
TR
Cloud Platform Developer Co-op
Teck Resources Limited
Vancouver, BC · Greater Vancouver, BC
- Full-time
The Platform Developer Co-op supports the Data and Analytics Platform team within Teck Digital Systems (TDS). In this role, you will help build and enhance the technology platforms that…
Added 4 days ago
LI
Software Developer
Lotus IT Solutions
Toronto, ON
- Contract
…Service Delivery and Procurement, is seeking a Senior Software Developer to join their team onsite in Toronto. The successful candidate will be responsible for designing, developing, and…
Added 4 days ago
LI
Software Developer - API
Lotus IT Solutions
Toronto, ON
- Contract
…Service Delivery and Procurement) is seeking a Senior Software Developer – API to join their team onsite in Toronto. In this role, you will design, develop, and maintain enterprise-grade…
Added 4 days ago
LI
Software Developer - Back End
Lotus IT Solutions
Toronto, ON
- Contract
…Delivery and Procurement) is seeking a Senior Back End Software Developer for an onsite engagement in Toronto. The successful candidate will be responsible for designing, developing, and…
Added 4 days ago
OT
Sr. IT Software Developer
Open Text Corporation
Waterloo, ON
- Other
As a Sr. IT Software Developer (Digital Fullstack), you will independently deliver full-stack and platform capabilities for OpenText's digital experience ecosystem. You will work across…
Added 4 days ago
UO
Scientific Data Specialist
University of Victoria
Victoria, BC
- Full-time
some practical experience in C/C++ or Java, XML or HTML and other scripting languages such as IDL, Mathematic is beneficial
Added 4 days ago
BD
Senior DevOps Engineer - Cloud Operations
Black Duck
Calgary, AB
- Full-time
Experience supporting Java/J2EE applications in production (understanding deployments, JVM tuning, debugging)
Added 4 days ago
ST
AI Engineer
SS&C Technologies
Mississauga, ON
- Full-time
Design and implement AI-enabled workflows that improve developer productivity and software quality.
Added 4 days ago
L&
Senior Systems Analyst (SAP BAIP)
Lindt & Sprüngli (North America) Inc.
Toronto, ON
- Full-time
Added 4 days ago
HT
Software Validation Technologist
Husky Technologies
Bolton, ON
- Full-time
Experience with C# compliant languages such as C, Java, and Python -Experience with Modbus , Ethernet, EtherCAT
Added 4 days ago
MC
Senior QA Engineer III – Automation | Banking | API | Kafka | ETL (35729)
Myticas Consulting
Ottawa, ON
- Full-time
Automate API workflows, backend validations, and data-processing scenarios using Java or Python.
Added 4 days ago
C
Full Stack Developer
CGI
Vancouver, BC
- Full-time
CGI is seeking a Full Stack Developer to design, develop, test, integrate, and support modern enterprise applications.
Added 4 days ago
D
Senior Full Stack Developer (Java And React/Angular) - Operate (Future Opportunity)
Deloitte
Toronto, ON
- Full-time
We are passively seeking Full Stack Java Developers to join our team on a 1-year fixed term. As a Full Stack Java Developer at Deloitte, you will play a crucial role in designing,…
Added 4 days ago
D
Senior Java Backend Developer - Operate (Future Opportunity)
Deloitte
Toronto, ON
- Full-time
We are passively seeking Senior Java Developers to join our team on a 1-year fixed term. As a Java Developer at Deloitte, you will play a crucial role in designing, developing, and…
Added 4 days ago
BV
Data Engineer (Sports & Prediction Markets)
Betstamp Ventures
Toronto, ON
- Internship
Strong fundamentals in a backend language such as Go, Java, C#, Rust, C++, Kotlin, or server-side TypeScript
Added 4 days ago
RC
Senior Associate - Identity and Access Management
RSM Canada
Toronto, ON
- Full-time
Development or scripting experience with relevant technologies such as Java, BeanShell, PowerShell, Python, JavaScript, XML, JSON, or REST APIs.
Added 4 days ago
AI
Adobe Experience Manager
Aptino, Inc.
Toronto, ON
- $70 to $75 CAD / hour
- Contract
Automated testing and scripting using JavaScript, Java or Python.
Added 4 days ago
RI
Senior Full Stack Java Developer - Capital Markets
Rose International
Mississauga, ON
- Full-time
8+ years of professional software engineering experience, with demonstrable experience as a Full-Stack Developer transitioning into a Forward Deployed Engineer-style, customer-facing…
Added 4 days ago
LB
Senior Software Engineer, Agentic AI Products
Leo Berwick
Toronto, ON
- Full-time
Full-stack proficiency. You are strong in React, TypeScript, and Java, and comfortable picking up other languages, such as Python, as the work demands.

Lotus IT Solutions

Software Developer

Toronto, ON, Canada

Contract

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Job details

Job type: Contract
Apply by: Nov 29, 2026
Posting language: English
Posted: Oct 30, 2026

Original job description

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Ref: RQ11620 Contract – 12 Months (Extension Possible) Onsite – Toronto (222 Jarvis St.)

Posted Date: 2026-10-30

Location: Onsite – Toronto (222 Jarvis St.)

Public Sector Experience: Required – OPS / Public Sector

Contract End Date: 2027-10-01 *

Rate: $101/hour

Overview

The Government Services Integration Cluster (GSIC), under the Ministry of Public and Business Service Delivery and Procurement, is seeking a Senior Software Developer to join their team onsite in Toronto. The successful candidate will be responsible for designing, developing, and maintaining large-scale, multi-client web applications, working across the full software development lifecycle in an Agile environment. This is a hands-on technical role requiring deep expertise in Java, REST APIs, and Oracle/SQL databases.

Key Responsibilities

Translate technical systems specifications into working, tested applications including developing detailed programming specifications, writing and generating code, and conducting unit tests
Design, develop, and maintain large-scale multi-client web applications using Java and Oracle or SQL databases
Build and maintain RESTful WebServices and REST APIs, applying microservice architecture principles to enhance extensibility and maintainability
Resolve and troubleshoot technical problems arising during the use and operation of software packages, including support for implementation, conversion, and migrations
Apply security gateway protocols including JWT, OAuth 2.0, and SSL Certificates to ensure application security
Collaborate with IT professionals throughout the Software Development Life Cycle, participating in design walkthrough sessions with the project team
Write clean, well-structured code following Object Oriented coding practices, design patterns, and refactoring principles
Work with relational and hierarchical database technologies, including use of query languages for information retrieval
Elicit and document requirements from diverse business area stakeholders and subject matter experts
Contribute to Agile ceremonies and methodologies, working within Azure DevOps for project tracking and pipeline management
Provide post-implementation support and resolve any post-implementation technical issues
Produce user and system documentation as required throughout the project lifecycle

Must-Have Requirements

7+ years of experience in IT projects in a software development capacity
10+ years of experience as a designer and developer in large-scale, multi-client web applications
10+ years of hands-on Java development experience with Oracle or SQL databases
5+ years of hands-on experience with REST APIs and RESTful WebServices
Demonstrated knowledge and experience with microservice architecture and core architecture principles
Experience using Azure DevOps for source control, CI/CD pipelines, and project tracking
Knowledge of security gateways and protocols including JWT, OAuth 2.0, and SSL Certificates
Solid understanding of Agile methodologies and experience working in Agile environments
Strong Object Oriented coding practices including design patterns, refactoring, and clean code principles
Experience with relational and hierarchical database technologies and query languages
Experience with one or more communications protocols
Strong verbal and written communication skills with demonstrated ability to work effectively in large team environments

Nice-to-Have Skills

Ontario Public Sector (OPS) experience and familiarity with OPS development standards and processes
Knowledge and experience with programming Internet-ready applications
Knowledge and experience in Rapid Application Development (RAD) methodologies
Experience with middleware and gateways
Experience reviewing, analyzing, and modifying product installation scripts including encoding, testing, and debugging
Knowledge and understanding of Information Management principles, concepts, policies, and practices
Knowledge and understanding of the Accessibility for Ontarians with Disabilities Act (AODA) and related regulations and standards
Experience with Oracle E-Business application customizations, extensions, and impact assessments
Strong programming skills in PL/SQL, XML, Unix shell scripts, and Oracle Data Integrator (ODI)
Business knowledge of Oracle E-Business modules including General Ledger, Accounts Receivable, Collections, Accounts Payable, and Inventory
Experience with data warehouse, ETL methodologies, and OBIEE
Experience with Java and Oracle Application Development Framework (ADF)

Work Environment

This is a fully onsite role based at 222 Jarvis St., Toronto, Ontario, five days per week. No security clearance is required. The team operates within Agile methodologies and candidates should be comfortable working under pressure with aggressive timelines in a collaborative, large-team environment.

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Final role details, responsibilities, and terms will be confirmed with shortlisted candidates. Compensation may vary based on experience. Errors and omissions excepted.

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More about this job

Responsibilities

Design, develop, test, and maintain large-scale, multi-client web applications using Java, REST APIs, and Oracle or SQL databases. Collaborate across the software development lifecycle, troubleshoot and support implementations, apply security protocols, document requirements and systems, and contribute to Agile delivery.

Requirements

Requires extensive software development experience, including 10+ years designing and developing large-scale web applications and hands-on Java with Oracle or SQL, plus 5+ years working with REST APIs and web services. Candidates must also demonstrate microservices, Azure DevOps, security protocols, Agile practices, object-oriented coding, database expertise, and strong communication skills.

Skills

Java
Oracle
SQL
REST APIs
RESTful Web Services
Microservices
Azure DevOps
JWT
OAuth 2.0
SSL Certificates
Agile Methodologies
Object-Oriented Programming
Design Patterns
Relational Databases
Hierarchical Databases
Communication Protocols

Visa sponsorship

Not detected in the job text

Keywords

Java
Oracle
SQL
REST APIs
RESTful Web Services
Microservice Architecture
Azure DevOps
CI/CD Pipelines
JWT
OAuth 2.0
SSL Certificates
Agile
Object-Oriented Programming
Design Patterns
Relational Databases
Hierarchical Databases
Communications Protocols
Ontario Public Sector
Rapid Application Development
Middleware
Oracle E-Business Suite
PL/SQL
XML
Unix Shell Scripts
Oracle Data Integrator
ETL
OBIEE
Oracle Application Development Framework
AODA
Accessibility

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