Java Full Stack Developer

Overview

Java Full Stack Developer - Payments

Client is a Toronto-based IT consulting boutique that strives for excellence in customer service and delivery in financial services and fintech industry. They focus on technology advisory services, application development, cloud computing, integration solutions, and enterprise big data and analytics. With a team of highly knowledgeable business and technical experts, we provide strategic, mission critical solutions to our clients. Looking for a Senior Full Stack Developer with hands-on experience in developing, enhancing, and maintaining Java-based applications or middleware/backend services. In this role, you will translate IT requirements into the design, development, and integration of fully automated solutions on Azure.

Company location: Downtown Toronto, Hybrid work environment - mix of home, office and client site - 3 days in-office. Perm / FTE role: Salary: Market rate + benefits and performance bonus

Responsibilities

- Translate business requirements into effective system designs during client engagements.
- Design, build, deploy, and maintain responsive Payments-related web applications with a focus on quality and security.
- Utilize modern architectural approaches such as microservices, serverless, and containerization.
- Provide accurate estimates for analysis, design, development, and testing phases.
- Lead, guide, and mentor junior developers to foster team growth.
- Ensure strict compliance with business, data, technical requirements, as well as coding standards and policies throughout client projects.

Requirements

- Bachelor’s degree in Computer Science, Engineering, or a related field.
- Minimum 8 years of experience in system design and full-stack application development, with a proven track record on complex projects.
- At least 5 years of hands-on experience in full-stack application development, with expertise in:

- Front-end: Proficiency in Angular, React, or similar frameworks, and Python for building dynamic, responsive user interfaces.
- Back-end: Strong experience with Java (Spring Boot) and Python for developing scalable, high-performance services.

- Domain expertise in SWIFT Payments and ISO 20022 messaging standards would be an asset but is not mandatory.
- Proficient in building and consuming REST APIs and working with microservices architectures.
- Strong knowledge of relational databases (Oracle, MSSQL, PostgreSQL) and NoSQL databases.
- Experience with messaging platforms such as Solace, MQ, or equivalent technologies.
- Hands-on experience with DevOps practices, including CI/CD pipelines and infrastructure automation tools (e.g., Ansible, HELM charts).
- Proficiency in containerization and orchestration tools, including Docker, Kubernetes, and OpenShift.
- Excellent debugging and problem-solving skills, with the ability to work independently on complex tasks.
- Familiarity with cloud platforms such as AWS, Azure, or GCP, and distributed systems architecture.
- Experience integrating with MQ messaging systems.
- Strong knowledge of microservices, event-driven programming, REST-oriented API design, and Continuous Integration/Continuous Delivery (CI/CD) principles.
- Experience developing automated unit tests for applications.
- Working knowledge of Agile software development methodologies and tools (e.g., Jira).
- Ability to work independently as well as collaboratively within a team environment.
- Hands-on experience with Linux/Unix command-line tools.
- Experience with APIM, Google Firebase, Splunk and Dynatrace would be an asset.

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