Software Engineer to remediate security vulnerabilities using.NET Core, REST APIs, and microservices
Job in
Edmonton, Alberta, Canada
Listing for:
S.i. Systems
Contract
position
Listed on 2026-09-10
Job specializations:
-
Software Development
Backend Developer, .NET Developer, DevOps
Job Description & How to Apply Below
Position: Senior.Net Software Engineer to remediate security vulnerabilities using.NET Core, REST APIs, and microservices - 1646
Our financial services client is seeking a Senior .Net Software Engineer (5+ years) to remediate security vulnerabilities using .NET Core, REST APIs, and microservices
Duration:
Until Dec 31,
Location:
Remote (High preference for candidates in Montreal and Ontario so that they can go into office for collaboration)
Join a backend and API-focused initiative supporting security remediation across legacy and modern .NET applications within an insurance environment. This role focuses on analyzing vulnerability reports, fixing security issues in APIs and backend services, and contributing to .NET REST API and microservices development using Docker and Kubernetes. The environment includes REST services built from Open API/Swagger specifications, event-driven services with Kafka, and deployments across Kubernetes environments.
Must Haves:
5+ years in .NET
, .NET Core
, and full application development life cycle environmentsREST APIs
, SOAP
, JSON
, OpenAPI
, Swagger
, and backend developmentMicroservices
, Docker
, Kubernetes
, MS SQL
, and web services technologiesDev Ops
, CI/CD
, Jenkins
, Artifactory
, Bit Bucket
, Gradle
, and AnsiblePost secondary Computer Science diploma or degreeNice to Have:
Experience with Kubernetes, Okta, Kafka, AWS, MongoDBSecurity remediation experienceExperience with Checkmarx or internal security scanning toolsFinancial services, insurance, or Group Benefits experienceExposure to Enterprise Service Bus (ESB) integration architectures and technologiesResponsibilities:
Lead the design, development, and deployment of .NET REST APIs and microservicesReview vulnerability reports and analyze affected applicationsFix security issues in existing APIs and backend servicesBuild event-driven services and processes using KafkaUse and enhance Dev Ops tools and CI/CD processesProduce and maintain documentation in compliance with SDLC requirementsSupport application stability, performance, problem analysis, and resolution in production environments
Position Requirements
10+ Years
work experience
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