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Added 1 day ago
Senior Developer
George Brown Polytechnic
Toronto, ON
Minimum of eight (8) years of experience as a software developer using modern programming languages with proficiency in two or more modern languages (e.g.Java, Python,…
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M
Senior Java Full Stack Developer
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…
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NB
Senior Lead Developer Back-End
National Bank of Canada
Montreal, QC
- Full-time
A career as a Senior Lead Developer Back-End in the Data Destruction Governance Platform IT Delivery team at National Bank means acting as a full-stack developer and putting your technical…
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M
Senior Java Full Stack Developer
Miratech
Toronto, ON · Greater Toronto Area, Canada
- 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…
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M
Senior Java Full Stack Developer
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…
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Senior Full Stack Java Engineer - Workforce Management (WFM)
Miratech
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- Full-time
We are looking for a Senior Full Stack Engineer to join the Workforce Management product stream and build enterprise-scale solution supporting forecasting, capacity planning, scheduling,…
Added 1 day 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 1 day 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 1 day ago
I
Principal Data Architect, FSI
Infostrux
Toronto, ON
- Full-time
…analytics, AI, and machine learning. Our work spans the modern data stack - covering data engineering, architecture, integration, and modelling - with Snowflake as one of our core…
Added 1 day ago
I
Data Governance Architect
Infostrux
Toronto, ON
- Full-time
…analytics, AI, and machine learning. Our work spans the modern data stack - covering data engineering, architecture, integration, and modelling - with Snowflake as one of our core…
Added 2 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 2 days ago
TC
Senior Full Stack Java Developer
Tata Consultancy Services
Toronto, ON
- $90,000 to $110,000 CAD / year
- Full-time
…is enabling its clients to transform themselves across the full AI stack, from infrastructure to…
Added 2 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 2 days ago
A
Senior Java Developer (Java / Spring Boot / React) – Backend & AI Features
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- Full-time
We are looking for a Senior Java Developer to join our team in the Greater Toronto Area (GTA) on a hybrid basis. This role focuses heavily on backend architecture and feature development…
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Principal Software Engineer
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Added 3 days ago
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RQ00811 – Software Developer – Full Stack – Senior
S M Software Solutions Inc
Toronto, ON
- Full-time
We are seeking a Senior Full Stack Software Developer with extensive hands-on experience in Java, Spring Boot, REST APIs, HAPI FHIR, NextGen Connect (Mirth), HL7 v2, ReactJS, and healthcare…
Added 3 days ago
SM
RQ00811 – Software Developer – Full Stack – Senior
S M Software Solutions Inc
Toronto, ON
- Full-time
We are seeking a Senior Full Stack Software Developer with extensive hands-on experience in Java, Spring Boot, REST APIs, HAPI FHIR, NextGen Connect (Mirth), HL7 v2, ReactJS, and healthcare…
Added 3 days ago
SM
RQ00811 – Software Developer – Full Stack – Senior
S M Software Solutions Inc
Toronto, ON
- Full-time
We are seeking a Senior Full Stack Software Developer with extensive hands-on experience in Java, Spring Boot, REST APIs, HAPI FHIR, NextGen Connect (Mirth), HL7 v2, ReactJS, and healthcare…
Added 3 days ago
SM
RQ00811 – Software Developer – Full Stack – Senior
S M Software Solutions Inc
Toronto, ON
- Full-time
We are seeking a Senior Full Stack Software Developer with extensive hands-on experience in Java, Spring Boot, REST APIs, HAPI FHIR, NextGen Connect (Mirth), HL7 v2, ReactJS, and healthcare…
Added 3 days ago
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Lead Java Engineer
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S M Software Solutions Inc

RQ11737 – Software Developer – Full Stack – Senior

Toronto, ON, Canada

Internship

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Job details

Job type: Internship
Apply by: Nov 24, 2026
Posting language: English
Posted: Oct 25, 2026

Original job description

Client: Ministry of Public and Business Service Delivery and Procurement – RQ11737

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 APIs, microservices, relational databases, and secure application integrations. The successful candidate will design, develop, integrate, test, deploy, and maintain enterprise platform capabilities across frontend, backend, API, workflow, integration, and data-access layers. This role involves building reusable platform services, supporting government programs, implementing business-facing integrations, and ensuring secure, scalable, observable, and maintainable software. The candidate will also provide technical leadership through design input, estimation, code reviews, automated testing, troubleshooting, documentation, mentoring, and production support.

Role Snapshot

Job Title: RQ11737 – Software Developer – Full Stack – Senior
Client: Ministry of Public and Business Service Delivery and Procurement
Work Location: 222 Jarvis Street, 5th Floor, Toronto, Ontario, Canada
Work Arrangement: Onsite – 5 Days per Week
Estimated Start Date: November 9, 2026
Estimated End Date: September 28, 2027
Business Days: 225.00
Extension: Probable after the initial mandate
Hours: 7.25 hours per day
Security Level: No Clearance Required

Must Have

Ten or more years of experience as a designer and developer of large-scale, multi-client web applications, or equivalent senior experience.
Extensive hands-on Java development experience with Oracle, SQL, or comparable relational databases.
Significant experience with REST APIs, RESTful web services, microservice architecture, and Internet-ready applications.
Experience with security gateways and protocols, including JSON Web Tokens (JWT), OAuth 2.0, SSL certificates, secure communications, and identity integration.
Experience with relational and hierarchical databases, query languages, SQL tuning, middleware, gateways, communications protocols, conversion, and migration.

Nice to Have

Ontario Public Service (OPS) or public sector experience.

Description

The Senior Software Developer – Full Stack designs, develops, integrates, tests, deploys, and maintains enterprise platform capabilities across the user-interface, service, API, workflow, integration, and data-access layers.

The role builds reusable platform services that can support multiple government programs while also implementing the service-specific connections required to onboard registries, permitting, forms, payments, notifications, documents, identity, and other business-facing functions.

Working with architects, product managers, analysts, UX designers, QA specialists, DevOps engineers, security and privacy teams, and ministry partners, the Senior Software Developer – Full Stack converts approved designs and requirements into secure, scalable, observable, and maintainable software.

The role provides technical leadership through design input, estimation, code review, automated testing, troubleshooting, documentation, mentoring, and production support, helping ensure the platform remains stable while evolving through frequent releases and new integrations.

Experience

Ten or more years of experience designing and developing large-scale, multi-client web applications, or an 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.
Experience translating technical system specifications into working, tested applications, including detailed programming specifications, code development, compilation, debugging, documentation, maintenance, and unit testing.
Knowledge and 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 and using rapid application development or Agile delivery approaches.
Experience with relational and hierarchical database technologies, query languages, SQL tuning, and data-access components.
Experience with security gateways and protocols such as JSON Web Tokens, 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.
Experience eliciting and documenting information from diverse business stakeholders, subject-matter experts, architects, and other IT professionals.
Experience providing implementation, conversion, migration, and post-implementation support for complex applications.

General Skills / Duties

Translate approved technical system specifications into working, tested, secure, and maintainable enterprise platform applications.
Develop detailed programming specifications and design, write, generate, compile, debug, document, maintain, and unit test application code.
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.
Create and maintain automated unit, integration, API, database, and user-interface tests.
Participate in design walkthroughs, impact assessments, code reviews, estimation, backlog refinement, sprint planning, release 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.
Collaborate with business analysts, architects, UX designers, testers, DevOps engineers, security specialists, and other IT professionals throughout the software development lifecycle.
Provide post-implementation support, resolve production issues, and improve application performance, reliability, extensibility, and maintainability.
Prepare and maintain user, system, technical, deployment, and support documentation.
Provide technical guidance and quality oversight while meeting delivery commitments and adapting to changing priorities.

Experience And Skill Set Requirements

Core Skills and Experience - 40%
Ten or more years of experience as a designer and developer of large-scale, multi-client web applications, or equivalent senior experience.
Extensive hands-on Java development experience with Oracle, SQL, or comparable relational databases.
Significant experience with REST APIs, RESTful web services, microservice architecture, and Internet-ready applications.
Experience translating specifications into working applications using structured and Agile methods, object-oriented practices, design patterns, clean code, automated testing, and Azure DevOps.
Technical Skills and Experience - 35%
Experience with security gateways and protocols, including JSON Web Tokens, OAuth 2.0, SSL certificates, secure communications, and identity integration.
Strong understanding of Agile methodologies, structured development methods, object-oriented design, current design patterns, refactoring, and clean code.
Experience with relational and hierarchical databases, query languages, SQL tuning, middleware, gateways, communications protocols, conversion, and migration.
Experience with application design, deployment, installation scripts, troubleshooting, post-implementation support, and technical documentation.
Soft Skills - 20%
Strong written and verbal communication, analytical, systematic problem-solving, decision-making, interpersonal, and negotiation skills.
Ability to develop and present ideas, lead or participate in design walkthroughs, and work effectively with functional and technical teams.
Demonstrated ability to perform under pressure, adapt to change, work within aggressive timelines, and consistently meet deadlines.
Public-Sector Experience - 5%
Knowledge of Ontario Public Service development standards, processes, governance, security, accessibility, information-management, and documentation expectations.

How to Apply

If you are interested and your profile matches the requirements, kindly send the following mandatory documents to hrsmss@smsoftconsulting.com by Tuesday, October 27, 2026, at 10:00 AM EST.

Mandatory Documents

Updated Resume in Word format (Mandatory)
References (Mandatory)
Expected Hourly Rate (Mandatory)
Visa Status (Mandatory)
LinkedIn ID (Mandatory)

Without the mandatory documents, we cannot submit a candidate.

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Additional Information

Onsite Requirement: 5 days per week.

Email is the best way to reach us.

You have received this message either as a result of contacting our company to express interest in employment or as a result of posting your resume in a location that can be accessed by recruiters or HR specialists, which suggests an interest in being contacted about employment opportunities.

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More about this job

Responsibilities

Design, develop, test, deploy, and maintain secure, scalable enterprise platform capabilities across frontend, backend, API, workflow, integration, and data-access layers. Provide technical leadership through design reviews, estimation, testing, troubleshooting, documentation, mentoring, and production support.

Requirements

Requires 10 or more years of senior-level experience developing large-scale, multi-client web applications, with extensive Java and relational database experience. Candidates should also have strong expertise in REST APIs, microservices, security protocols, Agile and object-oriented practices, automated testing, and enterprise integrations.

Skills

Java
Full-Stack Development
REST APIs
Microservices
Oracle
SQL
Relational Databases
Hierarchical Databases
OAuth 2.0
JSON Web Tokens
SSL Certificates
Azure DevOps
Agile Development
Automated Testing
Enterprise Integration
Technical Leadership

Visa sponsorship

Not detected in the job text

Keywords

Java
Oracle
SQL
REST APIs
RESTful Web Services
Microservice Architecture
Internet-Ready Applications
JSON Web Tokens
OAuth 2.0
SSL Certificates
Identity Integration
Relational Databases
Hierarchical Databases
SQL Tuning
Middleware
API Gateways
Enterprise Integration
Data Migration
Data Conversion
Azure DevOps
Agile
Object-Oriented Design
Design Patterns
Clean Code
Automated Testing
Build and Deployment Pipelines
Technical Documentation
Production Support
Ontario Public Service
Government Programs

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