Senior Full Stack Dev (Java) | React/Angular — Hybrid Contract

United States Digital Space LLC; Toronto; Hybrid; CAD 72,000 - 138,000; Full time

Job summary

United States Digital Space LLC is seeking a seasoned Full Stack Java Developer for a 1-year fixed-term hybrid role in Toronto, ON. You will design, develop, and maintain Java-based applications for a leading North American bank, delivering scalable microservices and modern frontends with Angular or React.

The ideal candidate has 6+ years of experience, strong Java/J2EE, Spring Boot, and Microservices, plus REST API expertise.

Qualifications

• 6+ years of professional software development experience.
• Strong expertise in Java, J2EE, Spring Boot, and Microservices Architecture.
• Strong frontend development experience with Angular and/or React.
• Experience building and consuming REST APIs.
• Hands-on experience with Kubernetes, Docker, CI/CD pipelines, and Git-based development workflows.
• Strong knowledge of relational databases such as PostgreSQL, MySQL, or Oracle.
• Experience with Hibernate/JPA and ORM frameworks.
• Understanding of distributed systems, scalability, performance optimization, and microservices patterns.
• Experience working in Agile/Scrum environments.
• Bachelor's degree in Computer Science, Engineering, Information Technology, or related field.

Responsibilities

• Develop, maintain, and enhance enterprise applications using Java, Spring Boot, Microservices, and Angular or React.
• Design and build scalable RESTful APIs and backend services.
• Develop responsive, high-performance frontend applications using Angular or React frameworks.
• Collaborate with Product Owners, Business Analysts, QA, DevOps, and UX teams to deliver end-to-end solutions.
• Participate in system design discussions and contribute to architecture decisions for large-scale distributed systems.
• Write clean, maintainable, secure, and well-documented code following development best practices.
• Implement and maintain automated testing frameworks, unit tests, and integration tests.
• Support CI/CD pipelines, application deployments, and production releases.
• Troubleshoot and resolve application defects, performance bottlenecks, and production issues.
• Optimize application performance, scalability, reliability, and security.
• Work with relational databases such as PostgreSQL, MySQL, or Oracle and design efficient data models.
• Participate in Agile ceremonies, including sprint planning, backlog refinement, daily stand-ups, retrospectives, and sprint reviews.
• Collaborate with development teams to estimate effort, define technical solutions, and deliver features on schedule.
• Contribute to continuous improvement initiatives, coding standards, and engineering best practices.

Skills

Java

Spring Boot

Angular

React

REST APIs

Microservices Architecture

Agile/Scrum

Relational Databases

SQL

Education

Bachelor's degree in Computer Science or related field

Tools

Kubernetes

Docker

Git & CI/CD tooling

PostgreSQL/MySQL/Oracle

Hibernate/JPA

Job description

United States Digital Space LLC is seeking a seasoned Full Stack Java Developer for a 1-year fixed-term hybrid role in Toronto, ON. You will design, develop, and maintain Java-based applications for a leading North American bank, delivering scalable microservices and modern frontends with Angular or React.

The ideal candidate has 6+ years of experience, strong Java/J2EE, Spring Boot, and Microservices, plus REST API expertise.