Senior Software Developer

ISG Search Inc; Toronto; Hybrid; CAD 110,000 - 140,000; Full time

Job summary

ISG Search Inc in Toronto is seeking a Senior Software Developer to join a cloud modernization effort. You will work across Java, Spring Boot, and Python, with a focus on production-ready code and scalable enterprise applications.

The role combines modern development with legacy systems, includes AI-assisted tooling, and offers a hybrid work model with four days onsite. Strong candidate will have 6+ years in enterprise software and cloud experience (AWS/GCP).

Qualifications

• 6+ years of enterprise Java/Spring Boot experience.
• Strong Python skills for maintaining existing applications.
• Experience with cloud technologies AWS and/or GCP.
• Understanding of SDLC, automated testing, and code quality.
• Self-motivated with excellent communication and a passion for modern practices and AI tools.

Responsibilities

• Design, develop, and maintain enterprise applications using Java, Spring Boot, and Python.
• Support cloud migration initiatives while modernizing legacy code.
• Leverage AI tools (GitHub Copilot, Claude, OpenAI) to boost productivity.
• Collaborate with cross-functional teams across the software lifecycle.
• Contribute as a hands-on developer, solving complex technical challenges.

Skills

Java

Spring Boot

Python

AWS/GCP

SDLC & Testing

AI-assisted development

Tools

GitHub Copilot

Claude

OpenAI

Job description

Senior Software Developer (BBBH12184) Toronto, Canada

Contract

Senior Software Developer (Java / Spring Boot)

Duration:6 Months
Location: Toronto, ON (Hybrid – 4 days onsite)
Role Status: Current Opening

About the Opportunity

Our client is looking for an experienced Senior Software Developer to join a high-performing engineering team supporting large-scale cloud modernization initiatives. This role is ideal for a developer who enjoys working with both modern and legacy applications, takes pride in writing clean, maintainable code, and embraces AI-assisted development while maintaining strong engineering fundamentals.

Principal Tasks and Responsibilities Include:

• Design, develop, enhance, and maintain enterprise applications using Java, Spring Boot, and Python.
• Support cloud migration initiatives while modernizing legacy applications and improving code quality, readability, and maintainability.
• Leverage AI development tools such as GitHub Copilot, Claude, or OpenAI to improve productivity while ensuring code is production-ready through strong testing and validation practices.
• Collaborate with cross-functional teams throughout the software development lifecycle, including design, implementation, testing, documentation, and ongoing support.
• Contribute as a hands-on individual contributor, proactively solving complex technical challenges and improving existing codebases.

Our Client

Our client is a well-established enterprise organization.

Qualifications and Pre-Requisites:

• 6+ years of experience developing enterprise applications using Java and Spring Boot.
• Strong working knowledge of Python, including maintaining and enhancing existing Python applications.
• Experience with cloud technologies, particularly AWS and/or GCP, with exposure to cloud migration initiatives considered a strong asset.
• Proven understanding of software development best practices, SDLC, automated testing, code quality, and writing clean, maintainable production code.
• Self-motivated individual contributor with excellent communication skills and a passion for continuous learning, modern development practices, and AI-assisted software development.

Interview Process: 1–2 interviews.

isgSearch does not use artificial intelligence throughout the hiring process.