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Added 5 mins ago
M
Sr TA Advisor
MDA
Sainte-Anne-de-Bellevue, QC
- Full-time
Strong written and verbal skills in both French and English as this role can support TA Activities across all MDA Space locations across Canada
Added 20 mins ago
TI
Java Backend Developer with Python
Tekgence Inc
Mississauga, ON
- Full-time
Java and Python We are seeking a skilled Backend Developer with 9 to 10 must years of experience in designing, developing, and maintaining scalable backend applications. The ideal candidate…
Added 20 mins ago
TI
Java Backend developer with Python
Tekgence Inc
Mississauga, ON
- Full-time
Java and Python We are seeking a skilled Backend Developer with 7 to 10 years only of experience in designing, developing, and maintaining scalable backend applications. The ideal candidate…
Added 50 mins ago
C
ERP UI/UX Fiori Developer
Capgemini
Mississauga, ON
- Full-time
The UI/UX Fiori Developer is responsible for designing, developing, configuring, and supporting modern SAP user experience and cloud-based solutions across SAP S/4HANA and SAP Business…
Added 50 mins ago
Finance Analyst
Magellan
Kitchener, ON
Record monthly journal entries, including sales and cost accruals, depreciation and deferred-revenue adjustments, to support accurate and complete financial results.
Added 1 hour ago
WB
Senior Administrative Assistant
Whistler Blackcomb
Whistler, BC
- Full-time
As our Senior Administrative Assistant, you will provide administrative support to our team and ensure our guests have the Experience of a Lifetime.
Added 1 hour ago
AA
Spécialiste en ingénierie de la sécurité des commandes de vol/Flight Controls Safety Engineering Specialist
Airbus Aircraft
Montreal, QC
- Full-time
…publique entre Laval (station de métro Montmorency) et Mirabel et application de…
Added 1 hour ago
Front of House - Late Night Server
Northland Properties
Sherwood Park, AB
…not have a Labour Market Impact Assessment (LMIA) that would support a foreign worker.Applications will not be accepted via email or in person.We thank all applicants for their interest in…
Added 1 hour ago
Front of House - Supervisor, Food Services
Northland Properties
Calgary, AB
…not have a Labour Market Impact Assessment (LMIA) that would support a foreign worker. Applications will not be accepted via email or in person. We thank all applicants for their interest…
Added 1 hour ago
Back of House - Line Cook
Northland Properties
Calgary, AB
…not have a Labour Market Impact Assessment (LMIA) that would support a foreign worker. Applications will not be accepted via email or in person. We thank all applicants for their interest…
Added 1 hour ago
Back of House - Line Cook
Northland Properties
Calgary, AB
…not have a Labour Market Impact Assessment (LMIA) that would support a foreign worker. Applications will not be accepted via email or in person. We thank all applicants for their interest…
Added 1 hour ago
Clinical Informatics Analyst (Future Opportunities)
Mariner
NB · NS
Support the design, configuration, testing, and implementation of the Clinical Information System (CIS).
Added 1 hour ago
C
Food Services Manager
Chartwell
Waterloo, ON
- Full-time
Comfort using AI and other digital platform systems and tools to support daily work
Added 1 hour ago
AE
Gas Fitter A / Apprentice
Avenir Energy
Saskatoon, SK
- Full-time
Other Duties: Support other operational and service tasks as required to meet team and customer needs.
Added 1 hour ago
BI
Senior Brand Manager, Oncology
Boehringer Ingelheim
Burlington, ON
- Full-time
Responsible for leading the development and approval of all digital assets to support digital campaigns (eg. head office driven, paid digital and social media, Boehringer websites, 3rd…
Added 1 hour ago
AA
Spécialiste de la Sécurité au niveau avion / Aircraft Safety Specialist
Airbus Aircraft
Montreal, QC
- Full-time
…publique entre Laval (station de métro Montmorency) et Mirabel et application de…
Added 1 hour ago
MD
Accounting Officer
Minnesota Direct Care and Treatment
Saint-Paul, NB · St.-Paul, NB
- Full-time
…inclusion, and invests in employees by providing benefits, support resources, and training and development…
Added 1 hour ago
AA
Architecte PLM Senior / Senior PLM Architect
Airbus Aircraft
Montreal, QC
- Full-time
…l'Ingénierie, en passant par la Fabrication, les Opérations et le Support de la…
Added 1 hour ago
AA
Responsable avion en commandes de vol / Aircraft Flight Control Systems Lead
Airbus Aircraft
Montreal, QC
- Full-time
…publique entre Laval (station de métro Montmorency) et Mirabel et application de…
Added 1 hour ago
V
School Bus Monitor, Owen Sound
Voyago
Owen Sound, ON
- Part-time
We are currently seeking Part-Time Monitors to fill vacancies and support future route opportunities.
Added 2 hours ago
SD
CG26-36 Education Assistant
School District No. 6 (Rocky Mountain)
Golden, BC
- Full-time
…team, and who participates in the development and delivery of support services to individuals or small group(s) of students under the supervision of a Teacher or Principal and in a manner…
Added 2 hours ago
KE
RMA Coordinator
Kontron Europe
Boisbriand, QC
- Full-time
Added 2 hours ago
AG
Senior Technical Architect - Linux Systems & Cloud
ADGA Group
Ottawa, ON
- $130 to $150 CAD / hour
- Contract
We are seeking a Technical Architect with deep expertise in Linux systems, cloud platforms, and enterprise application environments to support Command-and-Control (C2) systems operating…
Added 2 hours ago
N
Senior SRE Developer
nesto
Canada
- Full-time
We strive to implement the best emerging DevOps practices, such as GitOps, Internal Developer Platforms, and Infrastructure as Code. We believe that DevOps goes beyond the mere automation…
Added 2 hours ago
CH
Licensed Practical Nurse
Covenant Health Canada
AB · Edmonton, AB
- Part-time
…Hospital. This role is in integral part of the team providing support and education to our patients and families. If you are passionate about supporting a diverse patient group with…

Lotus IT Solutions

Software Developer - API

Toronto, ON, Canada

Contract

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Job details

Job type: Contract
Apply by: Nov 29, 2026
Posting language: English
Posted: Oct 30, 2026

Original job description

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Ref: RQ11528 Contract – 12 Months (Extension Possible) Onsite – Toronto (222 Jarvis St.)

Posted Date: 2026-10-30

Location: Onsite – Toronto (222 Jarvis St.)

Public Sector Experience: Required – OPS / Public Sector

Contract End Date: 2027-10-01 *

Rate: $99/hour

Overview

The Government Services Integration Cluster (Ministry of Public and Business Service Delivery and Procurement) is seeking a Senior Software Developer – API to join their team onsite in Toronto. In this role, you will design, develop, and maintain enterprise-grade REST API platforms and integration solutions that connect critical government systems. You will play a key role in translating technical specifications into robust, tested applications across complex multi-client environments.

Key Responsibilities

Translate technical systems specifications into working, tested applications including developing detailed programming specifications, writing and generating code, and conducting unit tests
Design and develop REST API platforms using tools such as Apigee, IBM API Connect, IBM App Connect Enterprise (ACE), MuleSoft, or Azure API Management (APIM)
Convert web services between SOAP and REST formats as required by project needs
Implement API gateway policies including rate limiting, throttling, transformation, caching, logging, and request/response modifications
Integrate APIs with enterprise platforms such as Microsoft SharePoint, Microsoft Dynamics CRM, Siebel, and Curam
Apply API security best practices including OAuth 2.0, JWT, API keys, and TLS across all integration layers
Manage the full API lifecycle including versioning, testing, deployment, and monitoring
Create and maintain REST API documentation using Swagger, OpenAPI specifications, and YAML
Troubleshoot and resolve technical problems arising during software operation, implementation, conversion, and migrations
Collaborate with cross-functional teams including business analysts, QA, developers, and product owners throughout the Software Development Life Cycle
Facilitate technical discussions, lead design walkthrough sessions, and provide knowledge transfer to internal staff
Support applications through system integration, test planning, scripting, and troubleshooting activities

Must-Have Requirements

10+ years of experience as a designer and developer in large-scale multi-client web applications
10+ years of hands-on Java development experience with Oracle or SQL databases
5+ years of hands-on experience with REST APIs and RESTful Web Services
5+ years of experience in API development, integration design, and implementation in complex enterprise environments
Solid knowledge of security gateways and protocols including JWT, OAuth 2.0, and SSL Certificates
Proven experience delivering solutions using IBM API Connect, IBM App Connect Enterprise (ACE), MuleSoft, or Azure API Management (APIM)
Strong understanding of RESTful API design, event-driven architecture, and microservices
Experience implementing API gateway policies (rate limiting, throttling, transformation, logging)
Deep understanding of OpenAPI (Swagger) specifications and API documentation standards
Solid understanding of Agile methodologies
Excellent analytical, problem-solving, and decision-making skills with strong verbal and written communication abilities

Nice-to-Have Skills

Experience creating REST API documentation using Swagger and YAML or similar tools
Experience with integration frameworks such as MuleSoft or Apache Camel
Familiarity with containerization technologies (Docker) and orchestration tools (Kubernetes)
Knowledge and experience with programming Internet-ready applications
Experience with middleware, ESBs, and enterprise integration patterns including synchronous/asynchronous messaging, pub/sub, and message queues
Knowledge and understanding of Accessibility for Ontarians with Disabilities Act (AODA) and related regulations and standards
Experience with OPS IT project and architectural governance
Knowledge of OPS Digital, accessibility, and cybersecurity standards
Experience in rapid application development (RAD) methodologies

Work Environment

This is a fully onsite role based at 222 Jarvis St., Toronto, Ontario, five days per week. The team operates using Agile methodologies and collaborates closely with cross-functional stakeholders across the Ministry of Public and Business Service Delivery and Procurement. No security clearance is required for this engagement.

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Final role details, responsibilities, and terms will be confirmed with shortlisted candidates. Compensation may vary based on experience. Errors and omissions excepted.

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More about this job

Responsibilities

Design, develop, test, and maintain enterprise REST API platforms and integrations connecting government systems, including implementing gateway policies, security, and API documentation. Manage the API lifecycle and troubleshoot integrations while collaborating with cross-functional teams on design, testing, deployment, and knowledge transfer.

Requirements

Requires 10+ years of experience developing large-scale multi-client web applications and hands-on Java development with Oracle or SQL databases, plus at least five years of REST API and enterprise integration experience. Candidates must have experience with an API management platform such as IBM API Connect, IBM App Connect Enterprise, MuleSoft, or Azure API Management, and strong knowledge of API security, design, documentation, and Agile methods.

Skills

Java
REST APIs
API Development
API Integration
IBM API Connect
IBM App Connect Enterprise
MuleSoft
Azure API Management
OAuth 2.0
JWT
OpenAPI
Swagger
Oracle
SQL
Microservices
Agile Methodologies

Visa sponsorship

Not detected in the job text

Keywords

Java
Oracle
SQL
REST APIs
RESTful Web Services
SOAP
IBM API Connect
IBM App Connect Enterprise
MuleSoft
Azure API Management
Apigee
OAuth 2.0
JWT
TLS
SSL Certificates
API Gateway Policies
OpenAPI
Swagger
YAML
Microservices
Event-Driven Architecture
SharePoint
Microsoft Dynamics CRM
Siebel
Curam
Docker
Kubernetes
Apache Camel
Agile
AODA

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