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Added 10 hours ago
D
Java Full Stack Developer
Dexian
Toronto, ON
- Contract
We are seeking experienced Java Developers and Technical Architects to design, develop, and modernize enterprise applications. Candidates should have strong expertise in Java, Spring Boot,…
Added 10 hours ago
BI
Java Full Stack Senior Developer
BURGEON IT SERVICES
Toronto, ON
- Contract
Microservices architecture, java (Spring boot), Restful API, Graph QL, Web apps, Postman, Selenium, Machine Learning/AI
Added 10 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 10 hours ago
Technology Lead
Infosys
Canada
Strong hands-on experience with Java (11+/17+), Spring Boot, Microservices, ReactJS, and Oracle Databases.
Added 10 hours ago
F
Senior Quality Assurance Engineer
FireFlink
Toronto, ON
- Full-time
Strong automation experience using tools and frameworks such as Selenium, Cypress, Playwright, Rest Assured, Java, Python, or equivalent technologies.
Added 10 hours ago
V
Java Fullstack with React Developer
VySystems
Mississauga, ON
- Full-time
Backend: Strong proficiency in Java (8/11/17), Spring Boot, Spring MVC, Hibernate/JPA, RESTful APIs, Microservices.
Added 10 hours ago
C
Java Developer Lead Analyst - Vice President
Citi
Mississauga, ON
- Full-time
The Java Developer Lead Analyst is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology…
Added 11 hours ago
C
AVP Applications Development Sr Programmer Analyst
Citi
Mississauga, ON
- Full-time
Join the Equities Middle Office Technology team as a Senior Java/Spring Boot Developer, where you will be a key contributor for managing complex BAU deliverables while driving strategic…
Added 12 hours ago
BI
Java Developer Montreal, Canada (Onsite)
BURGEON IT SERVICES
Montreal, QC
- Contract
Seeking an experienced Java Developer to build and maintain scalable enterprise applications in the financial services and wealth management domain.
Added 12 hours ago
LT
Lead Full Stack Java Developer
Lorven Technologies Inc.
Toronto, ON
- Contract
Experience developing REST APIs and microservices.
Added 12 hours ago
S
Enterprise Architect – AI, Data & Cloud
Synechron
Mississauga, ON
- $180,000 to $200,000 CAD / year
- Full-time
Added 12 hours ago
BI
Java Developer @ Montreal, Canada – WFO
BURGEON IT SERVICES
Montreal, QC
- Contract
We are looking for an experienced Java Developer to develop and maintain scalable enterprise applications in the Financial & Wealth Management domain.
Added 13 hours ago
AS
AWS Cloud Architect
Ardent SoftSol Inc.
Mississauga, ON
- $50 to $55 CAD / hour
- Contract
10+ Years of IT Experience with 5+ years in AWS Cloud Architecture and 5+ years in API Design, Integration, and Microservices Architecture.
Added 13 hours ago
JG
AWS / API lead and Architect
J&M Group
Mississauga, ON
- Contract
…extensive experience with AWS services, API management platforms, microservices architecture, event-driven systems, and integration technologies. This role will drive API strategy,…
Added 13 hours ago
JG
Senior Java Backend Developer - 8+ Years
J2B Global LLC
Mississauga, ON
- Full-time
We are looking for an experienced Java Developer to design and develop robust backend services for enterprise applications.
Added 13 hours ago
XI
Senior Engineering Manager
Xplore Inc.
Markham, ON
- Full-time
…Golang (Go). Experience with C# .NET, JavaScript/TypeScript, Java, or other modern development platforms is considered an…
Added 13 hours ago
SS
Software Engineer
Soho Square Solutions
Montreal, QC
- Contract
We are seeking an experienced Java Developer to join a dynamic technology team responsible for building, enhancing, and supporting business-critical enterprise applications. The ideal…
Added 14 hours ago
TT
Bilingual Senior Integration Platform Engineer
Tech Talent International
Montreal, QC
- $130,000 to $140,000 CAD / year
- Full-time
Develop robust integration and microservices services.
Added 14 hours ago
M
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 15 hours ago
RI
Senior Full-Stack Java Developer (Front-Office / Capital Markets)
Rose International
Mississauga, ON
- Full-time
Expert-level proficiency in Java, including Core Java, Java 17+, Spring Boot, Spring Framework, microservices architecture, and REST/gRPC APIs, and/or strong production experience in Python…
Added 1 day ago
LI
Senior Software Developer - Full Stack
Lotus IT Solutions
Toronto, ON
- Contract
Build and maintain Java-based microservices, REST APIs, RESTful web services, Internet-ready applications, and reusable platform services.
Added 1 day ago
LI
Senior Software Developer - Full Stack
Lotus IT Solutions
Toronto, ON
- Contract
Build and maintain Java-based microservices, REST APIs, RESTful web services, and reusable platform services supporting multiple government programs
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
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 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…

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 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, 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 Java and relational database experience. Candidates should also have strong REST API and microservices expertise, security integration knowledge, database and migration skills, and experience with Agile methods and Azure DevOps or comparable tools.

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
Relational Databases
Hierarchical Databases
JSON Web Tokens
OAuth 2.0
SSL Certificates
Identity Integration
Azure DevOps
Agile
Object-Oriented Design
Design Patterns
Clean Code
Automated Testing
Middleware
API Gateways
Communications Protocols
Data Conversion
Data Migration
Build Pipelines
Deployment Pipelines
Enterprise Integrations
Production Support
Government Programs
Technical Documentation

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