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Added 3 hours 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 3 hours 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 3 hours 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 hours ago
GI
Java Software Engineer
G-FORCE IT SERVICES INC
ON · Ontario, Canada
- Full-time
We’re looking for a skilled Java Developer to design, build, and maintain scalable, high-performance applications. You’ll work with a collaborative team of engineers, QA, and product owners…
Added 8 hours ago
SL
Student, Software Engineer - Security (Winter 2027)
Sun Life
Toronto, ON · Sun Life Toronto One York
- Full-time
Familiarity of Python, Microsoft .Net core, .Net, Java Springboot framework
Added 9 hours ago
TI
Java Full stack Developer
Tekgence Inc
Mississauga, ON
- Full-time
Skills Design, develop, and maintain high-quality Java with Solace / ION / Python applications using SpringBoot. Proficiency in Java core 8+ is a must. Proficiency in Junit. Implement…
Added 10 hours ago
IC
Sr. Java Deveoper
IT Connex
Toronto, ON · Greater Toronto Area, Canada
- Contract
Our client is seeking a Core Java Engineer with an expertise in big data processing, particularly within the TechFin industry. Candidate should have experience working with financial…
Added 10 hours ago
Senior Crypto Engineer
Scotiabank
Toronto, ON
As a Senior Crypto Engineer, you will be a core member of the Engineering pillar, responsible for responsible for the design, building, and patterning of security solutions into…
Added 11 hours ago
M
RQ11738 - Software Developer - Full Stack - Senior
Maarut
Toronto, ON
- Contract
ministry partners, the Senior Software Developer – Full Stack converts approved
Added 11 hours ago
M
RQ11739 - Software Developer - Full Stack - Senior
Maarut
Toronto, ON
- Contract
ministry partners, the Senior Software Developer – Full Stack converts approved
Added 12 hours ago
ES
Data Engineer – Snowflake, AI/ML
Enterprise Solutions Inc.
Markham, ON
- Contract
We are seeking an experienced Data Engineer with strong expertise in Snowflake, Snowflake AI/ML, Data Science, dbt Core, AWS Cloud, and modern data engineering practices. The ideal…
Added 13 hours ago
MS
Junior Software Engineer, Emergency Call Handling
Motorola Solutions
Ottawa, ON · Gatineau, QC
- Full-time
…responder dispatching and situational awareness. This software developer position will be a member of the team working on software applications for Public…
Added 14 hours ago
MS
Junior Software Engineer, Emergency Call Handling
Motorola Solutions
Gatineau, QC
- Full-time
…responder dispatching and situational awareness. This software developer position will be a member of the team working on software applications for Public…
Added 14 hours ago
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Java FSD Lead
HCLTech
Canada
- Full-time
Expert hands-on design and development skills using Core Java 17+, Spring Boot 3+, Microservices, SQL, NoSQL.
Added 14 hours ago
RB
Lead AI Engineer
Royal Bank of Canada
Toronto, ON
- Full-time
…and proficiency in modern development technologies (.NET/C#, Java, Python). You will effectively communicate and collaborate with engineering teams, business stakeholders, and senior…
Added 14 hours ago
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Lead AI Engineer
RBC
Toronto, ON
- Full-time
…and proficiency in modern development technologies (.NET/C#, Java, Python). You will effectively communicate and collaborate with engineering teams, business stakeholders, and senior…
Added 14 hours ago
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Java Fullstack developer
Wissen Technology
Calgary, AB
- Full-time
Build scalable backend services using Java, Spring Boot, and related frameworks.
Added 14 hours ago
R&
Software Developer IV
Robertson & Company Ltd.
Toronto, ON
- Contract
Robertson is seeking a skilled Software Developer IV (Senior Manager) to join our client in support of an existing vacancy.
Added 15 hours ago
BI
Java Developer
BURGEON IT SERVICES
Montreal, QC
- Contract
Experienced Java Developer with 7+ years of expertise in building and maintaining scalable enterprise applications using Java, Python, Spring Boot, Microservices, Apache Spark, and DB2.…
Added 15 hours 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 15 hours ago
Q-
Montreal [Hybrid] Java and Python Algo Trading Developer
QUANTEAM - North America (RAINBOW PARTNERS Group)
Montreal, QC
- Full-time
We are looking for a Java and Python algo Trading Developer to work with one of our clients, an Investment Bank based in Montreal.
Added 15 hours 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 16 hours ago
A
Software Developer
AppDirect
Montreal, QC
- Full-time
Core Java & Java Frameworks: Spring Framework / J2EE / Reactor
Added 19 hours ago
I
Winter 2027: Software Developer Co-op, Front End (8 months)
Intuit
Toronto, ON
- Full-time
Java proficiency. Experience with Java and object-oriented design, plus core data structures and programming concepts.
Added 19 hours ago
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…

S M Software Solutions Inc

RQ11737 – Software Developer – Full Stack – Senior

Toronto, ON, Canada

Internship

Apply About employer

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Job details

Job type: Internship
Apply by: Nov 25, 2026
Posting language: English
Posted: Oct 26, 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, code reviews, automated testing, troubleshooting, documentation, mentoring, and production support.

Requirements

Requires 10 or more years of senior experience developing large-scale, multi-client web applications, with extensive hands-on Java and relational database experience. Candidates should also have strong REST API and microservices expertise, security integration knowledge, database and migration experience, and familiarity with Agile practices and Azure DevOps.

Skills

Java
REST APIs
Microservices
Oracle
SQL
Relational Databases
Hierarchical Databases
OAuth 2.0
JSON Web Tokens
SSL Certificates
Azure DevOps
Object-Oriented Design
Agile Development
Automated Testing
Data Migration
Technical Troubleshooting

Visa sponsorship

Not detected in the job text

Keywords

Java
Oracle
SQL
REST APIs
RESTful Web Services
Microservices
Internet-Ready Applications
JSON Web Tokens
OAuth 2.0
SSL Certificates
Identity Integration
Relational Databases
Hierarchical Databases
SQL Tuning
Middleware
Security Gateways
Communications Protocols
Data Conversion
Data Migration
Azure DevOps
Source Control
Build Pipelines
Deployment Pipelines
Object-Oriented Design
Design Patterns
Clean Code
Agile Development
Automated Testing
Enterprise Integrations
Production Support

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