Senior Java developer

4 weeks ago

Mississauga, Ontario, Canada Open Systems Technologies Full time

We are looking for an experienced Senior Java Developer with a strong background in financial applications. You will play a key role in developing, enhancing, and maintaining high-performance, secure, and scalable Java-based financial software solutions. This is a 3 days Hybrid contract role in Mississauga. If you have all the required skills please submit with a copy of your resume and contact details.

Required Qualifications:


• Bachelor's degree in Computer Science, Engineering, Finance, or a related field (or equivalent practical experience).


• 5+ years of experience as a Java developer, with a focus on financial applications or fintech.


• Strong knowledge of core Java, Java 8+ (or later), and relevant Java frameworks such as Spring Boot, Spring MVC, and Hibernate.


• Deep understanding of financial concepts such as payments, transactions, trading, risk management, and financial reporting.


• Hands-on experience in designing and developing secure, scalable, and high-performance financial applications.


• Experience designing and implementing message-driven systems for reliable, asynchronous processing in high-throughput, distributed environments.


• Solid experience with relational databases (e.g., Oracle, SQL Server) and NoSQL databases (e.g., MongoDB) in the context of financial systems.


• Proficiency in working with financial protocols (e.g., FIX) and integration with external financial data sources and APIs.


• Experience with microservices architecture and containerization (e.g., Docker, Kubernetes).


• Strong problem-solving skills and the ability to troubleshoot complex production issues.


• Proficient with version control systems such as Git and experience in continuous integration/continuous deployment (CI/CD) processes.


• Extensive experience with Linux environments, including system administration, shell scripting, and performance tuning.


• Excellent communication skills, both verbal and written, with the ability to collaborate effectively across teams.

________________________________________

Preferred Qualifications:


• Knowledge of trading systems and algorithmic trading platforms.


• Familiarity with DevOps practices and tools (e.g., Jenkins, TeamCity).


• Experience with front-end technologies (e.g., JavaScript, React) for full-stack development.


• Familiarity with Agile/Scrum methodologies and financial industry project management standards.

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