Jobs near Don Mills, ON

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Astra-North Infoteck Inc. ~ Conquering today’s challenges, achieving tomorrow’s vision!

Senior Backend Engineer – Java, Kotlin, Springboot, Node.JS

Toronto, ON, Canada

Full-time

Apply on LinkedIn About employer

Applications open in a new tab.

Job details

Job type: Full-time
Apply by: Dec 10, 2026
Posting language: English
Posted: Nov 10, 2026

Original job description

Senior Backend Engineer – Java, Kotlin, Spring Boot, Node.js

Experience Required: 6–8 Years

Job Description

Position Summary

We are seeking a highly skilled Senior Backend Engineer with strong expertise in modern backend development technologies and frameworks.

The ideal candidate will have extensive experience building scalable, secure, and highly available backend systems using Kotlin, Java, and cloud-native technologies.

This role requires a solid understanding of Agile and DevOps practices, CI/CD pipelines, microservices, and event-driven architectures.

Key Responsibilities

Design, develop, and maintain scalable backend applications and services.
Build and support microservices and event-driven architectures.
Develop and integrate SOAP and REST APIs.
Implement secure backend solutions using modern development frameworks.
Collaborate with cross-functional teams in an Agile environment.
Drive code quality through unit testing, BDD, and TDD practices.
Participate in CI/CD implementation and automation initiatives.
Explore emerging technologies and develop proof-of-concepts for product enhancements.
Contribute to highly automated engineering platforms leveraging cloud-native services.

Required Skills & Qualifications

Technical Skills

Strong proficiency in Kotlin.
Experience with Java, including:
- Spring Boot
- Spring Security
Experience with JavaScript (Node.js).
5+ years of backend development experience.
Experience with:
- Unit Testing Frameworks (JUnit)
- Cucumber
- Behavior-Driven Development (BDD)
Hands-on experience with:
- SOAP APIs
- REST APIs
- Microservices Architecture
- Event-Driven Architecture
Experience with CI/CD tools, including:
- Jenkins Pipelines
- GitHub Actions
Familiarity with Azure Kubernetes Service (AKS) and related cloud-native platform components.

Development Practices

Strong understanding of Agile and DevOps methodologies.
Experience with Test-Driven Development (TDD).
Experience implementing Continuous Integration and automated delivery processes.
Ability to work in fast-paced environments focused on rapid feature delivery.

Preferred Qualifications

Exposure to open-source technologies and projects.
Experience contributing to or utilizing open-source solutions.
Passion for learning and evaluating new technologies.
Experience building proof-of-concepts and integrating innovative solutions into products.

Essential Skills

Advanced Java Concepts
Kotlin
Spring Boot
Spring Security
Node.js
Microservices
REST APIs
SOAP APIs
Event-Driven Architecture
Jenkins
GitHub Actions
Azure Kubernetes Service (AKS)
JUnit
Cucumber
BDD
TDD
Agile & DevOps

Apply on LinkedIn About employer

More about this job

Responsibilities

Design, develop, and maintain scalable backend applications, microservices, and event-driven systems, including SOAP and REST API integrations. Collaborate in an Agile environment to improve code quality through testing, support CI/CD automation, and explore new technologies through proof-of-concepts.

Requirements

Requires 6–8 years of experience, strong Kotlin skills, and backend development experience with Java, Spring Boot, Spring Security, and Node.js. Candidates should have experience with APIs, microservices, event-driven architecture, testing practices, CI/CD tools, Agile and DevOps, and familiarity with Azure Kubernetes Service.

Skills

Kotlin
Java
Spring Boot
Spring Security
Node.js
Microservices
REST APIs
SOAP APIs
Event-Driven Architecture
Jenkins
GitHub Actions
Azure Kubernetes Service
JUnit
Cucumber
Behavior-Driven Development
Test-Driven Development

Visa sponsorship

Not detected in the job text

Keywords

Kotlin
Java
Spring Boot
Spring Security
Node.js
Backend Development
Microservices
REST APIs
SOAP APIs
Event-Driven Architecture
Jenkins
GitHub Actions
Azure Kubernetes Service
JUnit
Cucumber
Behavior-Driven Development
Test-Driven Development
Agile
DevOps
CI/CD
Continuous Integration
Automated Delivery
Cloud-Native Technologies
Unit Testing
Proof-of-Concepts

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Jobs near Don Mills, ON