Posted 11 days ago
Senior Full Stack - Software Developer
@ modis
Toronto, Ontario
Overview
Akkodis is hiring a Senior Full Stack Software Developer on a one-year B2B contract for a large public sector client in Toronto. The role builds and maintains enterprise web applications, Java microservices, REST APIs and secure integrations, working onsite 7.25 hours per day, Monday to Friday, with security clearance required.
Responsibilities:
- Design, develop, integrate, test and deploy enterprise applications
- Build Java-based microservices and REST APIs
- Implement secure authentication and authorization
- Participate in Agile sprint planning and code reviews
Requirements summary:
- 10+ years designing large-scale multi-client web applications
- Extensive Java development with Oracle or SQL databases
- Experience with REST APIs and microservice architectures
- Experience with JWT, OAuth 2.0 and SSL security
- Security clearance required
Tools & skills
Source and dates
Employer career site / ATS feed · careerpage
- Employer posting date
- 2026-10-26
- First seen by our source
- 2026-10-26
- Source record updated
- 2026-10-26
These dates describe the source record, not a live verification that the employer is still hiring. Check the original posting.
Job details
| Seniority | Senior |
| Department | Software development |
| Experience | 10+ years |
| Hours per week | 36.25 |
| Schedule | day |
| Travel | air: none · ground: none |
| Work setting | Office |
| Position | Mostly sitting |
| Physical demands | physical low · computer high |
| Languages | English |
| Security clearance | Other clearance |
Summary and details written by AI from the posting; the employer’s posting is the authority.
modis
| Field | Value |
|---|---|
| Open jobs on Jobsy | 95 |
Position: Senior Full Stack - Software Developer
Duration: 1 Year assignment (contract)
Client Location: Toronto (Onsite: 7.25 hours/day between 8:00 AM and 5:00 PM, Monday to Friday)
Engagement Model: Professional Services Engagement – B2B (Incorporated Entities Only)
Note on Assignment Type
This position is provisionally Onsite, requiring 7.25 hours per calendar day between 8:00 AM and 5:00 PM, Monday to Friday (excluding breaks). Conditions may change based on organizational requirements and at the discretion of the Hiring Manager.
About the Engagement
Akkodis is seeking an experienced Senior Full Stack - Software Developer to support the design, development, integration, testing, deployment, and maintenance of enterprise platform capabilities within a large-scale public sector environment.
The successful consultant will contribute to the development of secure, scalable, and maintainable applications across user interface, service, API, workflow, integration, and data-access layers. Working closely with architects, product managers, analysts, UX designers, QA specialists, DevOps engineers, security teams, and business stakeholders, the consultant will help deliver reusable platform services and enterprise-grade digital solutions supporting multiple business programs.
Scope
Design, develop, integrate, test, deploy, and maintain enterprise applications and platform services.
Develop frontend, backend, API, workflow, middleware, integration, and database components.
Build and support Java-based microservices, REST APIs, and Internet-facing applications.
Implement secure authentication, authorization, and communication protocols.
Participate in Agile delivery activities including sprint planning, estimation, code reviews, and release planning.
Assignment Deliverables
Enterprise-grade full stack application components and platform services.
Java-based microservices and RESTful API solutions.
Secure integration components supporting business and enterprise systems.
Automated unit, integration, API, and user interface testing assets.
Expertise Required
Must Have:
Ten (10+) years of experience designing and developing large-scale, multi-client web applications.
Extensive hands-on Java development experience utilizing Oracle, SQL, or comparable relational database technologies.
Significant experience designing and developing REST APIs, RESTful web services, and microservice-based architectures.
Experience developing Internet-ready applications and enterprise integration solutions.
Experience implementing security gateways and protocols including JSON Web Tokens (JWT), OAuth 2.0, SSL certificates, identity integration, and secure communications.
Experience translating technical specifications into working applications using Agile and structured development methodologies.
Strong understanding of object-oriented programming principles, design patterns, refactoring, and clean code practices.
Nice to Have:
Experience supporting complex enterprise integrations, system conversions, and migration initiatives.
Experience with relational and hierarchical database technologies, SQL tuning, and performance optimization.
Security Clearance
Required.
Important
This is a business-to-business engagement. Candidates must represent an incorporated entity, hold a valid business number, maintain appropriate insurance, and invoice for services rendered.
How to Apply
Submit your resume in confidence via the Akkodis Canada website.
We thank all applicants for their interest in this opportunity. Only candidates meeting the above qualifications will be contacted for further discussions.
Accessibility:
At Akkodis, part of The Adecco Group, our purpose is simple: to make the future work for everyone. We live our values, Passion, Collaboration, Inclusion, Courage, and Customers at Heart, by fostering a workplace where diversity is celebrated and every voice matter. We encourage applications from individuals of all backgrounds and identities. Together, we’re making the future work for everyone.
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