Full Stack Developer
Cleo Consulting
Assignment: RQ00770 - Software Developer - Full Stack - Senior
Requisition: RQ00770
Job Title: Full Stack Developer - Senior - HSI
Client: Ontario Health
Start Date: 2026-09-21
End Date: 2027-03-27
Department: Digital Excellence in Health
Office Location: 525 University Ave., Toronto
Business Days: 128.00
Location: 2 days/week onsite at manager's discretion
Public Sector Experience: Preferred
Must Haves:
- 5-8+ years' experience with front-end (UI) and server-side (API & Database) development.
- 5-8+ years' experience developing in C#, ASP.Net, .NET Core, JavaScript, SQL.
- 5-8+ years' experience developing within Microsoft Azure (Functions, Service Bus, etc..)
- 5-8+ years' experience developing within an Agile team using Azure DevOps SDLC
- Strong verbal communication skills.
Description
Background Information:
- The purpose of this request is to acquire 2 Software Developer - Full Stack - Senior professionals. The Health System Insights Portal enhancement initiative for FY26-27 will expand the HSI Portal into a governed enterprise business intelligence platform capable of supporting a larger and more complex reporting environment. Applying a user first approach, requirements will be developed throughout the duration of the initiative.
Responsibilities:
- Translate technical systems specifications into working, tested applications. This includes developing detailed specifications, writing and/or generating frontend and backend code, compiling data-driven programs, maintaining, and conducting automated tests.
- Resolve and troubleshoot technical problems which arise during the use and operation of software packages, including technical assistance in implementation, conversion and migrations;
- Evaluate and determine appropriate architecture, technical specifications, solution design and make recommendations to product management.
- Work closely with UI/UX designer to implement desired UI functionality and styles.
- Produce clean, reusable, performant code and maintainable solutions that will enhance the platform's quality.
- Diagnose and troubleshoot functional and performance issues, implement corrective fixes, preventive fixes and triage as required.
- Partner with Operations teams to ensure support of developed applications and platform in all environments.
- Create and maintain code documentation as required.
Required Skills:
- 5-8+ years' experience with front-end (UI) and server-side (API & Database) development.
- 5-8+ years' experience developing in C#, ASP.Net, .NET Core, JavaScript, SQL.
- 5-8+ years' experience developing within Microsoft Azure (Functions, Service Bus, etc..)
- 5-8+ years' experience developing within an Agile team using Azure DevOps SDLC
- Strong verbal communication skills.
Desired Skills:
- Degree in computer science, engineering, or equivalent technical discipline
- 5+ years of professional experience in .Net, Azure, and application development
- Experience working with authenticated, customer focused applications
- Strong experience with planning and developing API endpoints
- Expert level development skills in the latest Microsoft technology stack (C#, .NET Core)
- Front end frameworks and libraries, HTML, JavaScript, CSS, LESS, SASS
- Strong Knowledge of APIs (Rest/json/XML), oAUTH 2.0
- Expert level experience with SQL
- Knowledge and understanding of Accessibility for Ontarians with Disability Act (AODA) and related regulations and standards and WCAG 2.0 guidelines
- Knowledge of security best practices.
- Experience in an Agile environment.
- Exposure to FHIR and HL7 standards.
- Solid understanding of cross-browser/platform issues and coding solutions
- Comfortable with source version control workflow (TFVC, Git)
- Passion for learning the latest technologies and standards
- Self-learner and highly self-motivated
- Creative, solution-oriented, flexible with a positive attitude and a drive for excellence
- Ability to successfully multi-task and work to tight deadlines
- Accurate with excellent attention to detail
Rated Criteria: 100 Points
- Strong experience developing in C#, ASP.NET MVC, .NET Core, JavaScript, SQL - 30 points
- Strong experience building REST APIs, Microservices and event driven systems. - 20 points
- Strong experience developing within Microsoft Azure (Functions & Message Bus Services) - 20 points
- Strong experience in Web Development (front-end UI), working with CSS Processors, JavaScript frameworks. - 20 points
- Strong experience developing within an Agile team using Azure DevOps SDLC. - 10 points
Deliverables
- Design and develop web application features based on the identified requirements.
- Design and develop code libraries to support contained functionality (platform NuGet packages).
- Design and develop Azure Functions, Azure Web APIs that interact with Azure Service Bus.
- Build functional mock-ups.
- Implement automated unit tests to ensure quality of the feature.
- Fix all associated bugs from the feature development.
- Support with investigating and fixing Production issues.
- Documentation and knowledge transfer of implemented code to the existing team.
Additional Terms
- Term: The term of this Assignment is for 2 roles for 128 Business Days each with an option to extend for up to 128 days at the Agency's discretion. The Engagement Assignment may also be extended for unused Business Days at Agency's discretion.
- The resource will comply with Agency policies and procedures.
- Agency systems cannot be accessed from outside the province of Ontario, and Agency assets including laptops and related equipment cannot be removed from the province of Ontario, without prior written approval from the Agency.
- Assignment Type: This position is currently listed as "Hybrid". The resource under this request will be required to work onsite as per Hiring Manager sole discretion.
- ...Hi , Hope you're doing well. Location : ONTARIO, TORONTO Onsite I'm reaching out regarding a Full-Stack Developer opportunity that requires: ~4+ years of overall technology experience ~1+ year of experience in Contact Center and Conversational...SuggestedFull time
- ...We are looking for a Java Full Stack Developer with 5+ years of experience in Java, Spring Boot, Angular, REST APIs, MongoDB, Redis, Elasticsearch, OpenShift, Jenkins, GitHub, and CI/CD. Responsibilities: ~5+ years' experience in full-stack development with a strong...Suggested
- Full Stack Developer Employment Type: Full-Time Location: Markham, ON Work Arrangement : Hybrid Onsite 3 days per week (Monday, Tuesday & Wednesday) Position Overview We are seeking an experienced Full Stack Developer with strong expertise in Java...SuggestedFull time3 days per week
- ...Job Title: AEM Full Stack Developer Location: Ontario and British Columbia, Canada (Remote) Job Type: Full Time Job Description: The AEM Full-Stack Developer plays a key role in delivering scalable, high-performing digital experiences across MarTech content...SuggestedFull timeRemote work
- ...Assignment: RQ11325 - Software Developer - Full Stack - Senior Job Title: Full Stack Developer - Senior Requisition (SS): RQ11325 Start Date: 2026-09-28 Client: Community Services Cluster End Date: 2027-08-30 Office Location: 777 Bay Street,...SuggestedWork at office
$120k - $160k
...experiences that feel effortless, connected, and customer-first. That’s where you come in. The Role We're hiring Senior Full-Stack Developers to build and own the client-facing product experiences at Flinks. You'll work across the Angular/TypeScript front end and...Full timeTemporary workRemote workFlexible hours- ...Job Title: Java Full Stack Developer Wealth Management Location: Toronto, ON Work Arrangement: Hybrid 4 Days Onsite Experience: 6+ Years Full Time Job Description We are seeking an experienced Java Full Stack Developer with strong expertise...Full time
$90.3k - $189.6k
Job Title: Full Stack DeveloperJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: SecretEmployee... ...:CACI is seeking a highly experienced Full Stack Software Developer to lead the design, development, and maintenance of complex software...Contract workWork experience placementFlexible hours- ...Sr. Full Stack DeveloperDomain: HealthcareLocation: Rancho Cucamonga, CA (onsite)Interview: In Person Interview is a MustKnowledge RequirementStrong knowledge and understanding of:Client-side implementations and frameworks such as Angular (Angular or AngularJS).Software...
- ...Job Title: Full Stack Software Developer Intermediate Location: Toronto, Ontario - Remote Must Haves ~8+ years of professional software development experience ~ Strong hands-on experience with Angular ~ Strong hands-on experience with React.js...Remote work
- ...Senior Full Stack Developer*This is a 100% on-site position in Norco, CA*Job SummaryWe are seeking a Senior Full Stack Developer to lead the design, development, and modernization of our scalable enterprise web applications. In this role, you will drive technical initiatives...Temporary workFlexible hours
- ...Synectic Solutions is seeking a Full Stack Developer to join our team supporting the Program Office for NSWC Corona in Norco, California. The Full Stack Developer will work directly with the client analyzing complex and unique technical support assignments and lead or...Full timeWork at office
- ...Junior Full Stack Developer*This is a 100% on-site position in Norco, CA*We are seeking a motivated and detail-oriented Junior Full Stack Developer to join our growing team. This role is ideal for recent graduates or professionals with 1–2 years of software development...Temporary workInternshipFlexible hours
- SOHO Dragon in Rancho Cucamonga, CA is seeking a Sr. Full Stack Developer to join our healthcare domain. You will contribute to both client-side and server-side developments, building robust APIs and UI components to deliver high-quality healthcare software. The right...
- Job Summary We are seeking an experienced Senior .NET Full Stack Developer to join our team onsite in Rancho Cucamonga, CA. The ideal candidate will have strong experience developing enterprise web applications using C#, .NET Web API, Angular, SQL Server, and Azure DevOps...
- ...few. We have an excellent reputation with the clients. Currently, we are looking for entry-level software programmers, Java Full stack developers, Python/Java developers, data analysts/data scientists, machine learning engineers for full-time positions with clients. Who...Full timeH1bRemote work
- ...methodology.What are the top 5-10 responsibilities for this position?Develop, maintain, and optimize enterprise-level software solutions... ...business solutions (EAI, B2B).Extensive experience developing full-stack server applications using Microsoft.Net and SQL Server.C#, ASP...Contract workRemote work
$100k
...Union, Client, Visa, Walmart Lab S etc to name a few. Currently, we are looking for entry-level software programmers, Java Full stack developers, Python/Java developers, data analysts/data scientists, data engineers, machine learning engineers for full time positions with...Full time- Senior .NET Developer / Lead Backend Developer Location: Toronto, Ontario Work Model: Hybrid - 4 days onsite and 1 day remote Experience Required: 12 15 years Position Type: Contract Job Summary We are seeking an experienced Senior .NET Developer...Contract workWork at officeRemote work
- Job Description: ~ Strong experience with Java, J2EE and Multi-Threading • Experience with spring and Spring Boot. • Strong Data Structures + Concurrency. • Experience in raising cases, data accuracy , high performance systems, scalability • Strong experience ...
$69.6k - $142.7k
Job Title: Front End Developer Tableau/PythonJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: SecretEmployee Type: RegularPercentage of Travel Required: Up to 10%Type of Travel: Continental US* * *The Opportunity:CACI is seeking...Contract workWork experience placementFlexible hours- Job Title: Sr. Java Developer TDM Location: Toronto, ON Work Arrangement: Onsite Employment Type: Full-Time Job Description We are seeking a Senior Java Developer with Test Data Management (TDM) experience to design, develop, and automate scalable...Full time
$120k - $140k
...an individual who is passionate about learning new technologies to join our growing Engineering team as our Senior Java Back End Developer. As a Senior Java Back-End Developer at Localcoin, you will be responsible for developing and maintaining functional and stable...Full timeWork at office2 days per week$65k - $85k
...Web Developer DeanHouston, one of the largest B2B marketing agencies in the US, is currently looking to select a Full-Stack Web Developer to add to our high-impact Web Team. Role Summary The Web Developer is responsible for building, maintaining, and optimizing modern,...Temporary work- ...Job Title: Software Developer - Full Stack - Senior Location: Toronto, Ontario Work Model: Onsite Duration: 8 Months Submission Deadline: 2026-07-14, 12:00 p.m. EST Must Haves Demonstrated extensive experience designing, developing...
- ...reporting for creators and rights-holders worldwide. As a senior product leader you will own the product direction across the full Sureel stack, collaborating with leadership, Engineering, AI, Business Development & Licensing, Client Relations, and partners to translate...Worldwide
- ...leader to turn our technology and licensing vision into a coherent enterprise platform. You will own the product direction across the full stack, work closely with leadership, Engineering, AI, Licensing, and our partners, and drive capabilities from concept through adoption...
- ...Job Description Job Description Job: UI Developer Location: Rancho cucamonga, CA Employment Type: Full-Time Job Summary: We are seeking a talented UI Developer to join our team. The UI Developer will be responsible for designing and implementing user...Full timeWork from homeFlexible hours
$18 - $25 per hour
...management consulting, delivery excellence and engineering brilliance. Our goal is to bring together business acumen with full-stack technical know-how to develop innovative solutions for our clients' most complex challenges. Areas within SC&E include Enterprise Architecture,...Remote jobHourly paySummer workInternshipWork at officeImmediate startShift work- ...effective team Own features through the full development lifecycle - design, creation,... ...6 years of experience in backend or full stack development You have a deep knowledge of... ...management You have a strong understanding of developing APIs, backend services, databases, data...Local area
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Full Stack Developer. Be the first to apply!
- full stack engineer Ontario, CA
- full stack developer Ontario, CA
- remote .net full stack web developer Ontario, CA
- senior full stack web developer Ontario, CA
- c# .net full stack developer Ontario, CA
- senior java full-stack developer Ontario, CA
- full-stack ruby on rails developer Ontario, CA
- full stack engineer
- full stack cloud developer
- full stack developer



