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Added 7 days ago
C
React Native Engineer
Collabera
Toronto, ON
- $70 to $75 CAD / hour
- Contract
Role: Senior/Intermediate React Native Developer
Added 7 days ago
TT
Bilingual Senior Integration Platform Engineer
Tech Talent International
Montreal, QC
- $130,000 to $140,000 CAD / year
- Full-time
Added 7 days ago
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Senior Full Stack Developer (Java/React)
Miratech
Toronto, ON
- Full-time
We are looking for a Senior Full Stack Developer to design, build and maintain both front-end interfaces and back-end systems, including APIs, microservices, databases and cloud…
Added 7 days ago
RI
Senior Full-Stack Java Developer (Front-Office / 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 7 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 7 days ago
YC
JEE Developer, senior
Yoush Consulting
Toronto, ON
- Full-time
We require multiple Java developers with experience in application vulnerability issues and Websphere middleware. This is for a client in the public sector. Please contact us urgently if…
Added 7 days ago
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Tech Lead - Application Development N 4C
BrightClaim
Montreal, QC
- Full-time
· A system architecture / developer work experience
Added 7 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 7 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 7 days ago
V
Pega Smart Dispute Developer
Virtusa
Toronto, ON
- Full-time
Job Title: Senior Pega Smart Dispute Developer
Added 7 days ago
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Pega Smart Dispute Developer
Virtusa
Toronto, ON
- Full-time
Job Title: Senior Pega Smart Dispute Developer
Added 7 days ago
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Software Engineer II (Salesforce Loyalty Management Developer)
TD
Toronto, ON
- Full-time
The Software Engineer II (Salesforce Loyalty Management Developer)
Added 7 days ago
TI
Salesforce Delivery Lead
Techpros IT Solutions Inc.
Toronto, ON
- Contract
…delivers expertise across Salesforce, DevOps, Salesforce DevOps, Java, Spring Boot, Hibernate, and full stack development, including MEAN stack. Techpros IT Solutions Inc. partners with…
Added 7 days ago
Software Engineer I
Planview Incorporated
Vancouver, BC
…DevOps, AI Agents, and Software Engineers to build automation, developer tooling, AI-enabled workflows, and platform services that accelerate engineering productivity across the…
Added 7 days ago
LI
Senior Software Developer - Full Stack
Lotus IT Solutions
Toronto, ON
- Contract
…Service Delivery and Procurement) is seeking a Senior Software Developer – Full Stack to design, develop, integrate, and maintain enterprise platform capabilities across the full…
Added 7 days ago
LI
Senior Software Developer - Full Stack
Lotus IT Solutions
Toronto, ON
- Contract
…Service Delivery and Procurement) is seeking a Senior Software Developer – Full Stack to design, develop, integrate, and maintain enterprise platform capabilities across all application…
Added 7 days ago
SM
RQ11737 – Software Developer – Full Stack – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
We are seeking a Senior Software Developer – Full Stack with extensive experience designing and developing large-scale, multi-client web applications, Java-based enterprise solutions, REST…
Added 7 days ago
SM
RQ11738 – Software Developer – Full Stack – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
We are seeking a Senior Full Stack Software Developer with extensive experience designing, developing, integrating, testing, deploying, and maintaining large-scale enterprise web…
Added 7 days ago
SM
RQ11737 – Software Developer – Full Stack – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
We are seeking a Senior Software Developer – Full Stack with extensive experience designing and developing large-scale, multi-client web applications, Java-based enterprise solutions, REST…
Added 7 days ago
SM
RQ11738 – Software Developer – Full Stack – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
We are seeking a Senior Full Stack Software Developer with extensive experience designing, developing, integrating, testing, deploying, and maintaining large-scale enterprise web…
Added 7 days ago
SM
RQ11738 – Software Developer – Full Stack – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
We are seeking a Senior Full Stack Software Developer with extensive experience designing, developing, integrating, testing, deploying, and maintaining large-scale enterprise web…
Added 7 days ago
SM
RQ11737 – Software Developer – Full Stack – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
We are seeking a Senior Software Developer – Full Stack with extensive experience designing and developing large-scale, multi-client web applications, Java-based enterprise solutions, REST…
Added 7 days ago
M
Software Engineer II
Microsoft
Vancouver, BC
- Full-time
Added 7 days ago
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Senior Software Engineer
Microsoft
Vancouver, BC
- Full-time
Identify opportunities to improve performance, reliability, maintainability, security, developer productivity, and engineering efficiency within owned areas.
Added 7 days ago
BC
Technical Lead - Web/Mobile
BrainRidge Consulting
Toronto, ON
- Full-time
Experience integrating with RESTful APIs and microservices; familiarity with Java/Spring Boot or Node.js backends is an asset.

Lotus IT Solutions

Senior Software Developer - Full Stack

Toronto, ON, Canada

Contract

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Job details

Job type: Contract
Apply by: Nov 25, 2026
Experience: 10+ years of experience designing and developing large-scale, multi-client web applications, or equivalent depth of senior development experience.
Posting language: English
Posted: Oct 26, 2026

Original job description

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Ref: RQ11738 Contract – 11 Months (Extension Possible) Onsite – Toronto (222 Jarvis St. 5th Floor)

Posted Date: 2026-10-26

Location: Onsite – Toronto (222 Jarvis St. 5th Floor)

Public Sector Experience: Required – OPS / Public Sector

Contract End Date: 2027-09-28 *

Rate: $103/hour

Overview

The Government Services Integration Cluster (Ministry of Public and Business Service Delivery and Procurement) is seeking a Senior Software Developer – Full Stack to design, develop, integrate, and maintain enterprise platform capabilities across the full application stack. Working alongside architects, product managers, UX designers, QA specialists, DevOps engineers, and ministry partners, you will build reusable platform services that support multiple government programs while delivering secure, scalable, and maintainable software through frequent Agile releases and new integrations.

Key Responsibilities

Translate approved technical system specifications into working, tested, secure, and maintainable enterprise platform applications.
Design and develop frontend, backend, API, integration, workflow, middleware, and data-access components using approved patterns and standards.
Build and maintain Java-based microservices, REST APIs, RESTful web services, Internet-ready applications, and reusable platform services.
Develop and maintain database objects, queries, data transformations, conversion routines, and integration components using relational or hierarchical database technologies.
Implement security gateways and protocols, including identity, access, token, certificate, and secure communications requirements (JWT, OAuth 2.0, SSL).
Create and maintain automated unit, integration, API, database, and user-interface tests.
Participate in design walkthroughs, code reviews, impact assessments, estimation, backlog refinement, sprint planning, and technical decision-making.
Review, analyse, and modify build, configuration, product-installation, and deployment scripts including coding, testing, and debugging.
Resolve and troubleshoot technical problems arising during development, implementation, conversion, migration, deployment, and operation.
Provide post-implementation support, resolve production issues, and improve application performance, reliability, extensibility, and maintainability.
Collaborate with business analysts, architects, UX designers, testers, DevOps engineers, and security specialists throughout the full software development lifecycle.
Prepare and maintain user, system, technical, deployment, and support documentation.

Must-Have Requirements

10+ years of experience designing and developing large-scale, multi-client web applications, or equivalent depth of senior development experience.
Extensive hands-on Java development experience with Oracle, SQL, or comparable relational database technologies.
Significant experience designing and developing REST APIs and RESTful web services.
Proven experience with microservice architecture and applying core architecture principles to improve extensibility and maintainability.
Experience with object-oriented coding practices, current design patterns, refactoring, clean code, and structured development methodologies.
Experience developing Internet-ready applications using Agile or rapid application development approaches.
Experience with relational and hierarchical database technologies, query languages, SQL tuning, and data-access components.
Experience with security gateways and protocols including JSON Web Tokens (JWT), OAuth 2.0, and SSL certificates.
Experience with middleware, gateways, communications protocols, enterprise integrations, and data migration or conversion activities.
Experience using Azure DevOps or comparable tools for work management, source control, build, testing, and deployment pipelines.
Experience conducting design walkthroughs, code reviews, impact assessments, and technical troubleshooting.

Nice-to-Have Skills

Experience eliciting and documenting requirements from diverse business stakeholders, subject-matter experts, architects, and IT professionals.
Experience providing implementation, conversion, migration, and post-implementation support for complex enterprise applications.
Strong written and verbal communication, analytical, problem-solving, and negotiation skills with the ability to present ideas and lead technical discussions across functional and technical teams.

Work Environment

This is a fully onsite role based at 222 Jarvis St., 5th Floor, Toronto, ON, 5 days per week. The team follows Agile delivery methodologies including sprint planning, backlog refinement, and iterative releases. No security clearance is required for this engagement.

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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, integrate, test, and maintain secure, scalable full-stack enterprise applications, including Java microservices, REST APIs, database components, integrations, and reusable platform services. Collaborate across Agile delivery teams to review designs and code, troubleshoot and support production systems, improve application quality, and maintain technical and operational documentation.

Requirements

Requires 10 or more years of senior software development experience, extensive hands-on Java and relational database experience, and demonstrated expertise in REST APIs, microservices, security protocols, and enterprise integrations. Candidates should also have experience with Agile development, automated testing, Azure DevOps or comparable tools, technical reviews, and troubleshooting.

Skills

Java
Oracle
SQL
REST APIs
Microservices
Relational Databases
Hierarchical Databases
JWT
OAuth 2.0
SSL Certificates
Azure DevOps
Agile Development
Automated Testing
Enterprise Integration
Data Migration
Object-Oriented Programming

Visa sponsorship

Not detected in the job text

Keywords

Java
Oracle
SQL
REST APIs
RESTful Web Services
Microservices
Relational Databases
Hierarchical Databases
JWT
OAuth 2.0
SSL Certificates
Azure DevOps
Agile
Rapid Application Development
Automated Testing
Unit Testing
Integration Testing
API Testing
Database Testing
UI Testing
Middleware
Enterprise Integration
Data Migration
Data Conversion
CI/CD Pipelines
Object-Oriented Programming
Design Patterns
Code Reviews
Government Services
Full-Stack Development

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