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Added 46 mins ago
Customer Operations Manager
Hydro One Networks Inc
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…operations of assigned Operations Centres, ensure that adequate security, fire and safety measures are taken, and precautions…
Added 46 mins ago
Sr IT Analyst
Hydro One Networks Inc
To Be Determined, ON
…databases. Determine level of auditing, controls, backup, and security procedures to be applied. Develop test plans and procedures. Design develop, document and test systems, programs, or…
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Construction Operational Manager
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Collaborate with engineering, project management, and operations teams.
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Smart IT Frame LLC

Application Developer with Java, React.JS, Python and Linux experience

Toronto, ON, Canada

Contract

Apply About employer

Applications open in a new tab.

Job details

Job type: Contract
Apply by: Nov 11, 2026
Experience: 5 years of experience in software development with a focus on high performance distributed application development.
Posting language: English
Posted: Oct 12, 2026

Original job description

Role: Application Developer Software Engineer with experience in Java, React.JS, Python and Linux

Location: Toronto, ON - Canada (Hybrid)

Duration: Contract

Job description

It will be good if candidate has experience in both Java and Python.

It will be very helpful if candidate is also familiar with QA responsibilities.

According to them a good developer should be able to perform QA as well

Software Engineer Application Development

What does a successful Application Developer Software Engineer do

You will work in a dynamic DevSecOps team involved in full SDLC of application development to support a largescale highly available distributed payment system. We need your technical expertise analytical ability critical thinking clear communication eagerness to collaborate customer first mindset and passion to sustain our growth. Enjoy working with a team of professionals who highly appreciate an open constructive and innovative atmosphere.

In this role you can look forward to

Your main job duties are

Requirement analysis collaborate with business partners to identify analyze and document use cases and technical requirements

Design develop implement solutions to meet business and security requirements

Unit and integration test build test cases into pipelines

Code scanning and fix collaborate with application security teams to perform various code scanning static dynamic penetration opensource component dependencies and fix any revealed vulnerabilities

Ongoing impact analysis of various security and industry standards policies procedures and update applications accordingly

Solving tracking problems escalated to us

Produce technical specifications user manuals configuration dictionaries when needed

Maintain clear and effective communication with all stakeholders throughout project lifecycles

Keep documentation up to date

Basic Qualifications for Consideration

Candidates must meet ALL of these to be considered

Bachelors degree in Computer Science Software Engineering or equivalent working experience.

5 years of experience in software development with a focus on high performance distributed application development.

Proficiency in Java CC Python JavaScript Nodejs

Proficient with git GitHub copilot CICD pipeline

Master secure coding principles and common patterns of vulnerabilities

Deep understanding of Linux internals including processes threads memory management file systems networking signals IPC mechanisms and performance diagnostics Comfortable troubleshooting production issues using native Linux tools.

Demonstrated ability to effectively incorporate AI assisted development workflows while maintaining strong engineering judgement code review disciplines security awareness and software quality standards

Practices test first development and treat automated testing as a core engineering discipline other than an afterthought

Deep understanding of RESTful HTTP JSON to construct systems composed of distributed components

Strong experience with SQL, NoSQL databases and ORMs

Master cryptography basics TLSv13 knowledge of postquantum algorithms

Experience in authentication authorization standards like OAuth 20 and JWT

Experience in Web development with a relevant framework Spring, Spring Boot, Apache, Tomcat and a frontend framework React Angular

Strong problem solving analytical thinking always ready to collaborate self driven detail oriented

effective oral and written communication ability to keep documentation clear concise comprehensive and up to date.

Preferred Nice to Have

Knowledge in containerization and common cloud platforms eg AWS GCP

Comfortable working with OpenSSL and troubleshooting with tools like Wireshark

Practical experience in diagrams as code type of tools eg Plant UML Mermaid etc

Knowledgeable in PCIDSS PCISSF standards

Skills

Mandatory Skills : Java

Good to Have Skills : Docker, Microservices

Apply About employer

More about this job

Responsibilities

Analyze requirements with business partners, design and develop secure applications, and build unit and integration tests into delivery pipelines. Troubleshoot production issues, address security vulnerabilities, maintain technical documentation, and communicate with stakeholders throughout the project lifecycle.

Requirements

Requires a bachelor's degree in Computer Science, Software Engineering, or equivalent experience, plus at least five years of software development experience focused on high-performance distributed applications. Candidates should have strong programming, Linux, security, testing, database, web development, and communication skills; experience with both Java and Python is desirable.

Skills

Java
Python
React
Linux
JavaScript
Node.js
C/C++
Git
CI/CD
Secure Coding
Automated Testing
RESTful APIs
SQL
NoSQL
Spring Boot
Docker

Visa sponsorship

Not detected in the job text

Keywords

Java
Python
React
Linux
JavaScript
Node.js
C/C++
Git
GitHub Copilot
CI/CD
DevSecOps
Distributed Applications
Secure Coding
Static Code Analysis
Dynamic Code Analysis
Penetration Testing
Unit Testing
Integration Testing
REST
HTTP
JSON
SQL
NoSQL
Object-Relational Mapping
Spring Boot
Tomcat
Docker
AWS
GCP
OAuth 2.0

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