Full Stack Java Developer

Toronto, ON
Hybrid
Posted Oct 17, 2026
1 position

US$55–US$80 / hour

Opens LinkedIn

Employment type: Contract
Experience level: Senior · 7+ years
Minimum education: Bachelor’s degree
Posting language: English
Working hours: 40 hours per week
Office presence: 1 days per week
Seniority: Mid-Senior level

Job summary

Design, develop, test, deploy, and support secure, scalable full stack applications, including React interfaces, Java and other back-end services, APIs, microservices, and databases. Collaborate with cross-functional teams on cloud deployments, quality and security practices, troubleshooting, CI/CD, documentation, and continuous engineering improvements.

Job details

Job#: 3056236 Job Description: Full Stack Developer Client: Major Canadian Financial Institution Location: Toronto, ON, Hybrid On-Site Requirement: Mondays and the first Friday of each month Contract: 6 months with strong potential for extension Position Summary We are seeking an Expert Full Stack Developer to design, build, and maintain both front-end interfaces and back-end systems, including APIs, microservices, databases, and cloud deployments. This role will be responsible for developing scalable, secure, and high-performing enterprise applications using technologies such as Java, Spring Boot, React, Node.js, Python, and SQL. The ideal candidate is a strong hands-on engineer with deep full stack expertise, capable of translating business requirements into robust technical solutions. This individual will work closely with product, architecture, QA, DevOps, and business stakeholders to deliver modern digital solutions that are reliable, maintainable, and aligned with enterprise standards. Key Responsibilities Design, develop, test, deploy, and support full stack applications across front-end and back-end environments. Build responsive, accessible, and user-friendly interfaces using React and modern web development practices. Develop and maintain back-end services, APIs, and business logic using Java, Spring Boot, Node.js, and Python. Design and implement microservices-based architectures for scalable and modular application development. Build and maintain secure RESTful APIs and service integrations. Design, optimize, and manage relational databases and queries using SQL. Contribute to cloud-native application deployment and operational support in platforms such as AWS, Azure, or GCP. Collaborate with cross-functional teams to define technical solutions aligned with business and architecture requirements. Ensure code quality through peer reviews, automated testing, and adherence to engineering best practices. Troubleshoot and resolve issues across the full stack, including UI, APIs, services, databases, and cloud environments. Support CI/CD pipelines, release processes, and deployment automation. Create and maintain technical documentation for applications, integrations, and support processes. Contribute to continuous improvement in engineering standards, design patterns, and team practices. Required Qualifications Bachelor’s degree in Computer Science, Software Engineering, or a related field, or equivalent practical experience. 7+ years of experience in software development, including significant full stack development experience. Strong expertise in Java and Spring Boot for enterprise application development. Proven experience building scalable web applications using React. Hands-on experience with back-end technologies such as Node.js and Python. Strong experience designing and building APIs and microservices. Strong knowledge of SQL, relational databases, schema design, and query optimization. Experience deploying and supporting applications in cloud platforms such as AWS, Azure, or Google Cloud Platform. Experience with version control tools such as Git. Familiarity with CI/CD pipelines, automated testing, and DevOps practices. Solid understanding of application security, authentication, authorization, and secure coding principles. Strong analytical, problem-solving, and communication skills. Ability to collaborate effectively with both technical and non-technical stakeholders. Preferred Qualifications Experience with TypeScript and modern front-end architecture patterns. Familiarity with Docker, Kubernetes, and containerized deployment models. Experience with event-driven architecture, messaging systems, or asynchronous processing. Knowledge of API gateways, observability, logging, and monitoring tools. Exposure to enterprise-scale environments with high availability and security requirements. Experience working in Agile delivery teams. Background in banking, financial services, or other regulated industries. Experience mentoring developers and contributing to technical leadership. Technical Skills Category Skills Front-End React, JavaScript, TypeScript, HTML, CSS, responsive design Back-End Java, Spring Boot, Node.js, Python, REST APIs, microservices Database SQL, relational databases, data modeling, schema design, query optimization Cloud/DevOps AWS, Azure, GCP, CI/CD, Docker, Kubernetes, deployment automation Engineering Practices Testing, code reviews, debugging, performance tuning, secure coding Core Competencies Full stack application design and delivery Strong back-end and API development expertise Microservices and distributed systems thinking Front-end usability and performance optimization Cloud-native engineering and deployment Problem solving and analytical thinking Cross-functional collaboration Strong ownership and accountability Quality, security, and maintainability focus Success Measures The successful candidate will: Deliver scalable, secure, and maintainable full stack applications. Build high-quality APIs and microservices that support business growth. Improve engineering efficiency through reusable components and automation. Maintain strong standards for performance, reliability, and security. Partner effectively across teams to deliver business value. Apex pay scales are determined by role, experience, skill set, and location. For this new position, the estimated hourly range is provided below as a guideline; however, total compensation may vary based on individual circumstances. Hourly Range: $60.00/hr.-$70.00/hr. Everforth Apex is a world-class IT services company that serves thousands of clients across the globe. When you join Everforth Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRateds Best of Staffing® in Talent Satisfaction in the United States and Great Place to Work® in the United Kingdom and Mexico. Everforth Apex Benefits Overview: In terms of professional development, Everforth Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. © 2026 Everforth, Inc. All rights reserved. Everforth Apex Systems is part of the Commercial Segment of Everforth, Inc. NYSE: EFOR 4400 Cox Road Suite 200 Glen Allen, Virginia 23060 Everforth Apex is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Everforth Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Benefits Department at [email protected] or 804-523-8228. (Do not submit resumes or solicit consultants to this email address). UnitedHealthcare creates and publishes the Transparency in Coverage Machine-Readable Files on behalf of Everforth Apex.

What you’ll do

Requirements

Requires a bachelor’s degree in Computer Science, Software Engineering, or a related field, or equivalent practical experience, and 7+ years of software development experience. Candidates should have strong Java and Spring Boot, React, API and microservices, SQL, and cloud experience, along with familiarity with Git, CI/CD, automated testing, application security, and effective stakeholder collaboration.