Senior Java Backend Developer - Operate

Job Type: Temporary Contract
Work Model: Hybrid
Reference code: 134303
Primary Location: Toronto, ON
All Available Locations: Toronto, ON

Our Purpose

At Deloitte, our Purpose is to make an impact that matters. We exist to inspire and help our people, organizations, communities, and countries to thrive by building a better future. Our work underpins a prosperous society where people can find meaning and opportunity. It builds consumer and business confidence, empowers organizations to find imaginative ways of deploying capital, enables fair, trusted, and functioning social and economic institutions, and allows our friends, families, and communities to enjoy the quality of life that comes with a sustainable future. And as the largest 100% Canadian-owned and operated professional services firm in our country, we are proud to work alongside our clients to make a positive impact for all Canadians.

By living our Purpose, we will make an impact that matters.

• Have many careers in one Firm.
• Enjoy flexible, proactive, and practical benefits that foster a culture of well-being and connectedness.
• Learn from deep subject matter experts through mentoring and on the job coaching

Summary

We are seeking Senior Java Developers to join our team on a 1-year fixed term. As a Java Developer at Deloitte, you will play a crucial role in designing, developing, and maintaining Java-based applications or software solutions for a leading North American Bank. This long-term staff augmentation role requires strong expertise in Java and Spring Boot. You will collaborate with other developers, business analysts, and project managers to deliver high-quality solutions to our client.

What will your typical day look like?

In this role, you will design and develop Java applications by writing clean, efficient, and well-documented code using Java and Spring Boot, translating business requirements into technical solutions that follow best practices. You will collaborate closely with business analysts, project managers, and quality assurance professionals to ensure clear communication and smooth delivery across the software development lifecycle.

A key part of your work involves troubleshooting and debugging, identifying and resolving technical issues, defects, and performance bottlenecks by analyzing logs, using debugging tools, and partnering with the team to implement fixes. You will support quality by participating in unit, integration, and system testing, writing test cases, executing tests, and reporting defects to maintain reliability. Finally, you will commit to continuous learning, staying current with Java technologies, frameworks, and best practices through training, certifications, and knowledge sharing with colleagues.

About the team

This is your opportunity to work in Operate at Deloitte. Operate services harness the latest technologies, talent, and capabilities from all over the world to deliver ongoing outcomes and client value. We do more than traditional business process outsourcing. We do more than just “keeping the lights on.” We work shoulder-to-shoulder with clients and their customers, constantly adapting to the pace of change, to ideate, innovate, and embed continuous advantage at the heart of their operations. And we do it with the kind of drive and passion that comes from loving what you do—and who you do it with.

Enough about us, let’s talk about you

You are someone with these required skills, experience & qualifications:

• Extensive professional experience in Java application development, with a proven track record of building and supporting large-scale enterprise applications with significant business impact.
• Experience working with Apache Spark for large-scale data processing, batch processing, or analytics workloads is nice to have.
• Minimum 5+ years of hands-on experience with Java, Spring Boot, Microservices, and RESTful API development.
• Experience developing and supporting distributed systems and service-oriented architectures in enterprise environments.
• Strong experience with relational databases such as PostgreSQL, MySQL, Oracle, or SQL Server, including data modeling, query optimization, and ORM frameworks such as Hibernate/JPA.
• Strong understanding of software engineering best practices, including SDLC, code reviews, testing, CI/CD, and version control.
• Minimum 3+ years of experience working in Agile/Scrum environments…