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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 45 mins ago
MM
Senior Forward Deployed Engineer
Mitchell Martin Inc.
Mississauga, ON
- $73 to $78 CAD / hour
- Other
Join a dynamic team as a Senior Forward Deployed Engineer, working directly with clients in a hybrid setting. This role involves architecting and deploying solutions while engaging with…
Added 45 mins ago
MM
Senior Forward Deployed Engineer
Mitchell Martin Inc.
Mississauga, ON
- $62 to $67 CAD / hour
- Other
Join us as a Senior Forward Deployed Engineer in a dynamic, client-facing role within the Fintech industry. This full-time, hybrid position involves collaborating with clients to architect…
Added 1 hour ago
MM
Senior Full Stack Developer – Java/React
Mitchell Martin Inc.
Toronto, ON
- $59 to $64 CAD / hour
- Other
Senior Full Stack Developer - Java/React- Hybrid - Contract - $59.00-$64.00 Per Hr
Added 2 hours ago
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Senior Full Stack Engineer - Java / AI
Rose International
Mississauga, ON
- Full-time
Join a dynamic Front Office Technology team as a Senior Software Engineer (Java / AI), helping build the future of financial technology.
Added 3 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 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
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 5 hours ago
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Full Stack Engineer
Aptonet
Vancouver, BC
- Full-time
…features for a generative AI platform. Working closely with senior team members, you'll collaborate across Product and Data Science teams to bring AI capabilities to life and enable…
Added 7 hours 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 hours 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 16 hours ago
LI
Senior Software Developer - Full Stack
Lotus IT Solutions
Toronto, ON
- Contract
…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…
Added 16 hours ago
LI
Senior Software Developer - Full Stack
Lotus IT Solutions
Toronto, ON
- Contract
…and Business Service Delivery and Procurement) is seeking a Senior Software Developer – Full Stack to design, develop, integrate, and maintain enterprise platform capabilities across all…
Added 16 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
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 16 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
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 16 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 16 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 18 hours ago
W
Principal Software Development Engineer
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Vancouver, BC · Canada, BC, Vancouver
- Full-time
Agent Factory is where Workday’s next chapter gets built. We’re forming small, senior, cross-functional AI teams that bring together product leaders, machine learning engineers, and…
Added 22 hours ago
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Senior Full Stack Developer - Java, Spring, Angular
Astra-North Infoteck Inc. ~ Conquering today’s challenges, achieving tomorrow’s vision!
Toronto, ON
- Full-time
We’re seeking a Senior Full Stack Developer to join a high-performing engineering team building modern, customer-facing web applications and resilient backend services. You will work with…
Added 22 hours ago
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Full Stack Engineer
Pacer Group
Toronto, ON
- $55 to $58 CAD / hour
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Job Title: Senior Full Stack Developer - Java / Angular
Added 23 hours ago
2I
Senior Software Developer - Full Stack
2iSolutions Inc.
Toronto, ON
- Contract
Our Toronto-based client is hiring a Senior Full Stack Software Developer for an 11-month onsite contract.
Added 23 hours ago
TC
Senior Application Developer
Tata Consultancy Services
Toronto, ON · Greater Toronto Area, Canada
- $90,000 to $100,000 CAD / year
- Full-time
…is enabling its clients to transform themselves across the full AI stack, from infrastructure to…
Added 1 day ago
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Guidewire Technical Lead (PolicyCenter)
TEKsystems
Toronto, ON
- $105 to $115 CAD / hour
- Contract
We are seeking an experienced Senior Technology Lead, Guidewire to lead large-scale digital transformation initiatives within a complex insurance environment. This role will be responsible…

S M Software Solutions Inc

RQ11738 – Software Developer – Full Stack – Senior

Toronto, ON, Canada

Internship

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Job details

Job type: Internship
Apply by: Nov 26, 2026
Posting language: English
Posted: Oct 27, 2026

Original job description

Client: Ministry of Public and Business Service Delivery and Procurement – RQ11738

We are seeking a Senior Full Stack Software Developer with extensive experience designing, developing, integrating, testing, deploying, and maintaining large-scale enterprise web applications. The ideal candidate will have strong hands-on Java development experience, expertise in Oracle, SQL, and relational databases, and significant experience with REST APIs, RESTful web services, microservice architecture, and Internet-ready applications. The successful candidate will develop secure, scalable, reusable, and maintainable platform services, implement enterprise integrations, support multiple government programs, and contribute to technical leadership, automated testing, troubleshooting, documentation, and production support.

Role Snapshot

Job Title: RQ11738 – 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.

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

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%
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%
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 Thursday, October 29, 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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Note

Onsite – 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 applications and reusable platform services across frontend, backend, API, integration, workflow, and data-access layers. Provide technical leadership through design reviews, code reviews, testing, troubleshooting, documentation, collaboration, and production support.

Requirements

Requires 10 or more years of senior-level experience developing large-scale web applications, with extensive hands-on Java and relational database experience. Candidates should also have significant REST API and microservices experience, knowledge of security protocols and integrations, and proficiency with Agile delivery, automated testing, and Azure DevOps or comparable tools.

Skills

Java
Oracle
SQL
Relational Databases
REST APIs
Microservices
Object-Oriented Design
Design Patterns
Automated Testing
Azure DevOps
OAuth 2.0
JSON Web Tokens
SSL Certificates
Middleware
Agile Development
Technical Documentation

Visa sponsorship

Not detected in the job text

Keywords

Java
Oracle
SQL
Relational Databases
Hierarchical Databases
REST APIs
RESTful Web Services
Microservice Architecture
Internet-Ready Applications
JSON Web Tokens
OAuth 2.0
SSL Certificates
Azure DevOps
Middleware
Security Gateways
Enterprise Integrations
Data Migration
Data Conversion
Agile Methodologies
Object-Oriented Design
Design Patterns
Clean Code
Refactoring
Automated Testing
CI/CD Pipelines
Technical Documentation
Production Support
Ontario Public Service
Accessibility
Information Management

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