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Added 19 days ago
Senior Full Stack Engineer - Chief Technology Officer (CTO) - Platform Engineer
HSBC
Toronto, ON
Full-time
Join Chief Technology Officer (CTO) Platforms as a Senior Full Stack Engineer focused on app.hsbc with end-to-end responsibility for one or more platform products and services. This is a…
Added 23 days ago
Senior Manager Product Engineering & Development
Deloitte
Toronto, ON
Full-time
We're growing our Product Engineering & Development team and seeking an experienced Senior Manager who bridges pre-sales and delivery. You'll shape solution strategy with clients, scope and…
Added 20 days ago
Senior Product Engineer
RBC
Toronto, ON
Full-time
Added 20 days ago
Senior Endpoint Security Operations Analyst (Global Security)
RBC
Toronto, ON
Full-time
The Senior Technical Analyst, Cyber Technology Operations will provide operational support for a wide range of network security, endpoint security and threat surface products/tools within…
Added 20 days ago
Senior Software Developer
RBC
Toronto, ON
Full-time
The Senior Software Developer – Robotics Process Automation will be a key technical contributor responsible for designing, developing, and implementing enterprise-scale automation solutions…
Added 20 days ago
Senior Software Engineer, Frontend
Sardine
Remote, Canada
$160,000 to $210,000 CAD / year
Full-time · Remote
As a frontend-focused Senior Software Engineer, you will own the design and delivery of the user-facing experiences at the heart of our AI products. Your primary focus is building polished,…
Added 23 days ago
Back End Developer
Vaco by Highspring
Montreal, QC
Full-time
Highspring is seeking a Senior Backend Developer to support a digital delivery initiative within the financial services sector. In this role, you will serve as a Java development specialist…
Added 20 days ago
Full Stack Java Developer
Citi
Mississauga, ON
Full-time
Acts as SME to senior stakeholders and /or other team members.
Added 19 days ago
Technical Lead
407 ETR
Woodbridge, ON
Full-time
…key role in technical modernization initiatives across C++, Java/Spring Boot services, API development, Oracle database integration, DevOps enablement, and platform engineering. This…
Added 20 days ago
Staff Engineer, Site Reliability Engineering
General Motors
Markham, ON
Full-time
…platforms reliable, observable, operable, and scalable. This is a senior technical leadership role for someone who can move comfortably between system-level design, production operations,…
Added 20 days ago
Junior Database Administrator
Pala Interactive
Toronto, ON
Full-time
…will continue to develop and support RedHat, CentOS, Tomcat Java server infrastructure, MySQL databases and Amazon cloud infrastructure across the Pala web and mobile gaming…
Added 20 days ago
Senior System Analyst - Information Technology
Alberta Blue Cross
AB · Hybrid
Full-time
Senior-level experience with Java development.
Added 20 days ago
Gestionnaire QA – Tests de paiements, d’API et d’événements / QA Lead – Payments, API & Event Testing
Expleo
Montreal, QC
Contract
…livraison. Ce poste convient parfaitement à un professionnel QA senior souhaitant demeurer techniquement impliqué tout en dirigeant la qualité à grande…
Added 20 days ago
Analyste QA senior, SDET – Tests de paiements, d’API et d’événements / Senior QA Analyst, SDET – Payments, API & Event Testing
Expleo
Montreal, QC
Contract
EXPLEO GROUP CANADA est à la recherche d’un(e) Analyste QA senior, SDET – Tests de paiements, d’API et d’événements pour se joindre à notre équipe à Montréal, QC (poste hybride).
Added 24 days ago
Senior Frontend Developer
Resonaite
Toronto, ON
Full-time
Our client, a growing technology start-up, is seeking an experienced Senior Front-End Developer to help design, build, and deliver the next generation of its B2B digital products and…
Added 24 days ago
Senior Front End Developer, React and NextJS
RAVL
Toronto, ON
Full-time
As an Senior Full Stack Developer in our Build guild, you’ll design and deliver high-quality, scalable applications across the full technology stack. You’ll work hands-on in Java and…
Added 24 days ago
Manager, Software Development
Pollard Digital Solutions
Winnipeg, MB
Full-time
A good listener with excellent written and oral communication skills to effectively work with the team, senior management, and customers.
Added 24 days ago
Senior Data Engineer
Capgemini
Mississauga, ON
Full-time
Senior Data Engineer role to be part of our scrum teams and perform functional system development for Hadoop applications for our Enterprise Data Lake initiative
Added 25 days ago
Senior Full Stack Java Developer
SereneAid
Toronto, ON
Full-time
We are seeking two Senior Software Developers – Full Stack to support the development, integration, enhancement, testing, deployment, and maintenance of business-critical web applications…
Added 24 days ago
Federal Developer Intern, Software Engineering (January 2027 - 4 Months - Ottawa)
IBM
Ottawa, ON
$65,166.4 to $100,547.2 CAD / year
Full-time
Contribute to coding, debugging, and troubleshooting activities under the guidance of senior developers and technical leads.
Added 19 days ago
Sr. Software Developer (Java Backend) - 1 Year Contract
DCI Group of Companies - Discover Communications
Brampton, ON
$70 to $80 CAD / hour
Temporary
We are seeking a highly skilled and motivated Senior Software Developer with strong expertise in Java, Spring Boot, Microservices, and Distributed Systems. The ideal candidate will play a…
Added 20 days ago
Sr. Software Engineer, Backend/GraphQL
eBay
Toronto, ON
Full-time
…high-quality API experiences. In this role, you will work closely with senior technology leaders, architects, and product owners to streamline product integration through Apollo GraphQL…
Added 21 days ago
Principal Application Security Engineer
Barracuda Networks Inc.
Ottawa, ON
…Barracuda’s Application Security program. Additionally, as the most senior member of the AppSec team, you will have the opportunity to provide mentorship to other team members and have a…
Added 24 days ago
Senior Software Development Engineer
BeyondTrust
Canada
Full-time
…will own meaningful features end to end, partner closely with senior engineers, product, and design, and deliver secure, scalable, high-quality software that solves complex identity and…
Added 24 days ago
Senior Software Engineer- Big Data & Java
PointClickCare
Mississauga, ON
$142,000 to $158,000 CAD / year
Full-time
Experience in writing clean code that performs well at scale using languages such as Python, Java etc.

SereneAid

Senior Full Stack Java Developer

Toronto, ON, Canada

Job type: Full-time
Apply by: Sep 26, 2026
Posting language: English
Posted: Aug 27, 2026

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Original job description

Senior Full Stack Java Developer
Position: Senior Full Stack Java Developer
Client: Community Services Cluster, Ministry of Public and Business Service Delivery and Procurement, Government of Ontario
Location: 777 Bay Street, Toronto, ON
Work Arrangement: 100% Onsite – 5 days per week
Contract: September 28, 2026 – August 30, 2027
Openings: 2
Security Clearance: No clearance required

Position Overview
We are seeking two Senior Software Developers – Full Stack to support the development, integration, enhancement, testing, deployment, and maintenance of business-critical web applications within the Ontario Public Sector.
The successful candidates will have strong hands-on experience across Java/J2EE full-stack development, including JSF, HTML/DHTML, XML/XSL, Spring, myBatis, Bootstrap, JavaScript, REST/SOAP web services, Oracle SQL, and relational databases. Candidates should be comfortable working across front-end and back-end components, APIs, database integration, application architecture, troubleshooting, and Agile SDLC environments.
Experience delivering secure, scalable, responsive, and AODA-compliant web applications is highly valued.
Key Responsibilities

Design, develop, configure, integrate, test, debug, document, deploy, and maintain enterprise software applications.
Translate technical system specifications and business requirements into working, tested applications.
Develop and maintain Java/J2EE web-based applications using n-tier architecture.
Develop front-end interfaces and integrate them with back-end services and APIs.
Design, construct, consume, and integrate RESTful and SOAP web services.
Develop and maintain data pipelines involving extraction, transformation, and loading activities.
Develop database solutions and perform SQL scripting using Oracle and SQL Server.
Work with relational database technologies and RDBMS concepts.
Develop reusable, self-contained, testable software components and modules.
Apply current software architecture principles, design patterns, and development standards.
Troubleshoot and resolve application, integration, deployment, migration, and production issues.
Support application implementation, conversion, migration, and post-implementation activities.
Participate directly throughout the Agile/iterative Software Development Life Cycle (SDLC).
Conduct and participate in technical/design walkthroughs with project teams.
Collaborate with developers, architects, business stakeholders, SMEs, and other IT professionals.
Develop technical and system documentation as required.
Support continuous integration and deployment activities.
Ensure applications are designed for performance, scalability, maintainability, and reliability.
Ensure solutions comply with applicable accessibility requirements, including AODA.
Assist with reviewing, analyzing, modifying, testing, and debugging installation/deployment scripts.
Provide technical assistance and support for software packages and applications.

Requirements

Mandatory Technical Skills
Candidates must have hands-on experience with the following technologies:
Java / Enterprise Development

JAVA
J2EE
JSF
HTML / DHTML
XML / XSL
Java web application development
Experience with Servlets, EJB, Tomcat and/or WebLogic is required/desirable within the broader technology stack.

Open-Source Frameworks & Libraries

Spring
myBatis
Bootstrap
jQuery
Experience with modern web development frameworks and reusable components.

Full-Stack Web Development

Front-end and back-end application development.
Web architecture and n-tier application architecture.
Responsive web development.
Front-end and API integration.
HTML, CSS, JavaScript and Angular/AngularJS experience.
Development of reusable, self-contained, and testable UI modules/components.
Ability to develop front-end code capable of querying and consuming APIs.
Understanding of UX/UI principles.

Database / SQL

Oracle Database
Oracle SQL scripting
Strong SQL skills.
Relational Database Management Systems (RDBMS).
Experience with SQL Server.
Database design, implementation, integration, and management.

APIs & Web Services

REST / RESTful APIs
SOAP web services
Web Services development and integration.
API design, development, consumption, and front-end integration.
Swagger/OpenAPI knowledge is an asset.

Development / SDLC

Experience directly supporting the Agile/iterative SDLC.
Systems design, configuration, integration, and development.
Design, coding, testing, debugging, deployment, and documentation.
Application troubleshooting and production support.
Structured software development methodologies.
CI/CD and deployment experience.
Azure DevOps and JIRA experience is an asset.

Full-Stack Development Requirements
The successful candidate should demonstrate the ability to work across the complete application stack, including:

Web architecture and application design.
Front-end interface development.
Back-end Java/J2EE development.
REST API development and integration.
Database design and SQL development.
Front-end/API integration.
Application performance and scalability.
Continuous integration and deployment.
Application testing and debugging.
Production troubleshooting and technical support.

Additional Technical Experience
Experience with the following will be considered an asset:

Angular / AngularJS and JavaScript.
Java WebLogic and Tomcat.
EJB and Servlets.
Jasper reporting tools.
Middleware and gateways.
Swagger/OpenAPI.
Rapid Application Development (RAD) methodologies.
Internet-ready applications.
Responsive web applications.
AODA-compliant application development.
Information Management principles, policies, concepts, and practices.
Application installation and deployment scripts.
Data extraction, transformation, and loading (ETL) processes.

Analytical & Problem-Solving Skills

Strong analytical skills with the ability to evaluate technical options and recommend appropriate solutions.
Ability to assess feasibility, identify risks, and develop customized strategies for complex technical problems.
Strong troubleshooting and debugging capabilities.
Ability to understand complex technical and business requirements.
Excellent decision-making and problem-solving skills.
Ability to work independently while collaborating effectively with technical and business teams.

Communication & Collaboration

Strong verbal and written communication skills.
Ability to elicit and document information from business stakeholders and subject matter experts.
Strong consultation and interpersonal skills.
Ability to lead or participate in discussions regarding system-development options and technical processes.
Strong teamwork and collaboration skills.
Demonstrated ability to meet deadlines in a complex project environment.

Public Sector Experience – Asset
The following experience is considered an asset:

Experience developing applications within the Public Sector.
Knowledge of Public Sector application and information architecture.
Familiarity with GO-ITS standards.
Familiarity with Public Sector Threat Risk Assessment (TRA) processes.
Familiarity with Privacy Impact Assessment (PIA) processes.
Experience working within government technology standards and structured methodologies.

Accessibility

Experience developing AODA-compliant web applications is an asset.
Understanding of accessibility standards and regulations applicable to Ontario government applications.
Ability to design and develop accessible, responsive, user-friendly web interfaces.

Candidate Profile
The ideal candidate is a Senior Full Stack Java Developer with strong enterprise application development experience and the ability to work across front-end, back-end, API, database, integration, and deployment layers.
Candidates should have particularly strong experience with:
Java + J2EE + JSF + HTML/DHTML + XML/XSL + Spring + myBatis + Bootstrap + Oracle SQL + n-tier web applications + REST/SOAP Web Services + Agile SDLC.
Mandatory Requirements – Quick Screening Checklist

Senior-level software development experience.
Strong hands-on JAVA development experience.
J2EE experience.
JSF experience.
HTML/DHTML experience.
XML/XSL experience.
Experience with Spring.
Experience with myBatis.
Experience with Bootstrap.
Hands-on n-tier web-based application development.
Hands-on experience with Oracle Database.
Strong Oracle SQL scripting experience.
Strong understanding of RDBMS.
Experience with Web Services / REST and/or SOAP.
Experience supporting the Agile/iterative SDLC.
Experience with systems design, configuration, integration, development, testing, and troubleshooting.
Ability to work as a full-stack developer across front-end and back-end components.
Ability to work onsite 5 days per week at 777 Bay Street, Toronto.

Nice to Have

Public Sector / Government of Ontario experience.
GO-ITS standards.
TRA / PIA experience.
AODA-compliant application development.
Angular / AngularJS.
JavaScript.
WebLogic / Tomcat.
EJB / Servlets.
Jasper.
Azure DevOps.
JIRA.
Swagger/OpenAPI.
Middleware/gateway experience.

Important: This is a fully onsite position in Toronto, 5 days per week. Candidates must be able to work onsite at 777 Bay Street, Toronto, Ontario.

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More about this job

Responsibilities

Design, develop, and maintain business-critical full-stack web applications using Java/J2EE and n-tier architecture. Collaborate with stakeholders to translate business requirements into secure, scalable, and AODA-compliant software solutions.

Requirements

Requires senior-level expertise in Java, Spring, MyBatis, and Oracle SQL, with strong experience in both front-end and back-end development. Must be proficient in Agile methodologies and capable of working onsite in Toronto five days a week.

Skills

Java
J2EE
JSF
Spring
MyBatis
Bootstrap
Oracle SQL
RESTful APIs
SOAP Web Services
Angular
HTML/CSS
JavaScript
Agile SDLC
N-tier Architecture
RDBMS
AODA Compliance

Visa sponsorship

Not detected in the job text

Keywords

Java
J2EE
JSF
Spring
MyBatis
Bootstrap
Oracle SQL
SQL Server
REST
SOAP
Angular
AngularJS
JavaScript
HTML
CSS
XML
XSL
WebLogic
Tomcat
EJB
Servlets
Agile
SDLC
CI/CD
Azure DevOps
JIRA
AODA
Swagger
OpenAPI
ETL

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