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Senior Backend Engineer

@ Quantum World Technologies Inc.

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Toronto, Ontario

Contract
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Overview

Quantum World Technologies Inc. is hiring a Senior Backend Engineer on a contract basis to design, build and maintain scalable, secure backend applications. The work covers microservices, event-driven solutions and REST and SOAP APIs, built with Kotlin, Java and Spring Boot. The posting states the contract type but not the pay, location or schedule.

Responsibilities:

  • Design, develop and maintain scalable, secure backend applications
  • Build and support microservices and event-driven solutions
  • Develop and integrate REST and SOAP APIs
  • Ensure code quality through unit testing, BDD and TDD

Requirements summary:

  • Strong expertise in Kotlin and Java
  • Hands-on Spring Boot and Spring Security experience
  • Experience with microservices and event-driven architecture
  • CI/CD experience with Jenkins and GitHub Actions
  • Familiarity with Azure Kubernetes Service

Tools & skills

Spring BootSpring SecurityNode.jsJenkinsGitHub ActionsAzure Kubernetes ServiceJUnitCucumber
Source and dates

Source type not verified · apify-linkedin

Employer posting date
2026-11-09
First seen by our source
2026-11-10
Source record updated
2026-11-10

These dates describe the source record, not a live verification that the employer is still hiring. Check the original posting.

Job details

SenioritySenior
DepartmentSoftware development
Work settingOffice, Home
PositionMostly sitting
Physical demandsphysical low · computer high
LanguagesEnglish

Summary and details written by AI from the posting; the employer’s posting is the authority.

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Quantum World Technologies Inc.

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Job description

Required Skills

  • Strong expertise in Kotlin and Java
  • Hands-on experience with Spring Boot and Spring Security
  • Experience with Node.js
  • Strong knowledge of Microservices and Event-Driven Architecture
  • Experience developing and integrating REST and SOAP APIs
  • CI/CD experience with Jenkins Pipelines and GitHub Actions
  • Familiarity with Azure Kubernetes Service (AKS) and cloud-native platforms
  • Strong experience with JUnit, Cucumber, BDD, and TDD
  • Solid understanding of Agile and DevOps practices

Responsibilities

  • Design, develop, and maintain scalable, secure backend applications.
  • Build and support microservices and event-driven solutions.
  • Develop and integrate REST and SOAP APIs.
  • Implement backend services using Kotlin, Java, Spring Boot, and Spring Security.
  • Participate in CI/CD automation, code reviews, and Agile ceremonies.
  • Ensure high code quality through unit testing, BDD, and TDD.
  • Collaborate with cross-functional teams to deliver enterprise applications.
  • Evaluate emerging technologies and build proof-of-concepts for new features.

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