Java Backend Developer

Iris Software Inc.; Toronto; Hybrid; CAD 100,000 - 140,000; Full time

Job summary

Iris Software Inc. is hiring a Java Backend Developer for a hybrid role in Toronto. You will lead the design and development of scalable backend applications using Java and Spring Boot, build secure REST APIs and microservices, and take end-to-end ownership from design to production support.

You will mentor engineers, uphold engineering best practices, and collaborate with architecture, security, product, QA, and business teams to deliver high-quality solutions.

Qualifications

• 5 years+ hands-on coding experience
• Strong Java and Spring Boot development
• Experience designing REST APIs and microservices
• Ability to design, code, review, troubleshoot, and support complex apps
• End-to-end ownership across the full software lifecycle
• Knowledge of API design, security, integration patterns and distributed systems
• Experience with CI/CD, automated testing, monitoring, and production engineering

Responsibilities

• Lead design and development of backend apps using Java and Spring Boot
• Design secure REST APIs, microservices, and enterprise integrations
• Own solution design through deployment, production support and improvements
• Mentor engineers while contributing hands-on
• Drive best practices: code quality, automated testing, CI/CD, observability and security
• Design and troubleshoot distributed systems, events, and messaging
• Lead technical troubleshooting and root-cause analysis
• Collaborate with architecture, security, product, QA, and business stakeholders

Skills

Java

Spring Boot

REST APIs

Microservices

Distributed systems

CI/CD

Git

Code reviews

Job description

Iris's client, one of the world's largest multinational investment banking and financial services corporation is looking to hire a Java Backend Developer Our direct client is a is a world-leading financial services company, provides consumers, corporations, governments, and institutions with a broad range of financial services and products.

Location: Toronto, ON (Hybrid)

Duration: 24+ Months

Key Responsibilities:

• Lead the design and development of scalable backend applications using Java and Spring Boot.
• Design secure, resilient REST APIs, microservices, and enterprise integrations.
• Take end-to-end technical ownership from solution design and development through deployment, production support, and continuous improvement.
• Lead and mentor engineers while remaining a hands-on technical contributor.
• Drive engineering best practices including code quality, automated testing, CI/CD, monitoring, observability, security, and reliability.
• Design and troubleshoot distributed systems, asynchronous processing, events, and messaging patterns.
• Lead technical problem-solving, root-cause analysis, and resolution of complex production issues.
• Collaborate with architecture, security, product, QA, and business stakeholders to deliver high-quality solutions.

Required Qualifications

• 5 years+ Experience hands on coding experience
• Strong hands-on Java and Spring Boot development experience.
• Strong experience designing and building REST APIs and microservices.
• Demonstrated ability to design, code, review, troubleshoot, and support complex applications.
• Proven end-to-end ownership across the full software development lifecycle, from requirements and design through production support.
• Strong knowledge of API design, security, integration patterns, and distributed systems.
• Experience with CI/CD, automated testing, Git, monitoring, observability, and production engineering practices.
• Strong understanding of databases, performance, resiliency, error handling, and application troubleshooting.
• Demonstrated technical leadership with the ability to mentor engineers and drive technical decisions while remaining hands-on.

About Iris Software Inc.

Iris Software, Inc. (registered as SSA Infosystems in Canada) is a CMMi Level 5 New Jersey based company providing information technology solutions to clients nationwide for over 30 years. Iris has been growing at over 100% annually. In a program sponsored by Price Waterhouse, PNC Bank and Marsh, Iris has been honored for being

• One of New Jersey's Finest 25 companies for the year 2001 and 2002.
• Iris is also ranked 75th among Inc 500 s list of privately held companies for year 2001.
• NJ Technology FAST 50 Company for year 2002.

In a competitive industry, we distinguish ourselves by reliability, technical expertise and a history of successfully completed projects for clients ranging from mid-sized to Fortune 1000 companies.