Senior Java Full Stack Developer; Java​/Angular or React​/Volante

Job Title: Senior Java Full Stack Developer (Java / Angular or React / Volante)

Company: Cogency Inc.

Job Type: Full‑Time

Interview Process: Final Round In‑Person Interview Required

Cogency Inc. is seeking a highly experienced Senior Java Full Stack Developer with 10+ years of software development experience and strong expertise in Volante Technologies payment solutions
. The ideal candidate will have extensive experience in Java-based enterprise application development, payment processing systems, API integrations, and modern frontend technologies such as Angular or React.

This role requires a hands‑on technical professional capable of designing, developing, and supporting mission‑critical banking and payment applications in a fast‑paced enterprise environment.

• Design, develop, and maintain enterprise‑grade applications using Java and modern frontend technologies.
• Build scalable and high‑performance backend services using Spring Boot and Microservices architecture.
• Develop and support payment processing solutions leveraging Volante Technologies platforms.
• Design and implement RESTful APIs and integration services.
• Develop responsive user interfaces using Angular or React
  .
• Participate in solution architecture, technical design reviews, and code reviews.
• Integrate applications with payment networks, banking systems, and external services.
• Optimize application performance, scalability, and reliability.
• Troubleshoot production issues and provide timely resolutions.
• Collaborate with Business Analysts, Architects, QA teams, and stakeholders throughout the SDLC.
• Support Agile development practices and Dev Ops initiatives.

• 10+ years of hands‑on software development experience.
• Strong expertise in:
• Spring Boot
• Spring MVC
• Spring Security
• Hibernate / JPA
• RESTful APIs
• Strong understanding of Object‑Oriented Design and Design Patterns.
• Experience with multithreading, concurrency, and performance tuning.
• Hands‑on experience with Volante payment solutions
  .
• Experience implementing and supporting:
• ISO 20022 messaging
• SWIFT payments
• Real‑time payments
• Payment transformation and orchestration solutions
• Experience integrating Volante with banking and payment ecosystems.

• Experience with Angular or React
  .
• Strong knowledge of:
• HTML5
• CSS3
• Experience consuming REST APIs and integrating frontend applications with backend services.

• Experience with Oracle, SQL Server, Postgre
  
  SQL, or similar RDBMS.
• Experience with messaging technologies such as Kafka, MQ, or JMS.
• Experience with API integration and enterprise integration patterns.

• Knowledge of payment processing and settlement systems.
• Experience with:
• Docker
• Open Shift
• Jenkins
• Git Hub Actions
• Exposure to cloud platforms (AWS, Azure, or GCP).
• Knowledge of security best practices and OWASP standards.

• Bachelor's degree in Computer Science, Engineering, or related field.
• 10+ years of enterprise application development experience.
• Strong communication, stakeholder management, and problem‑solving skills.
• Experience working in Agile/Scrum delivery environments.
• Java Full Stack Development
• Banking & Payments Domain Expertise
• API & Microservices Development
• Frontend Development (Angular/React)
• Production Support & Troubleshooting
• Agile Delivery & Collaboration

• Hybrid – 3 days onsite per week in Toronto
• Final round interview will be conducted in person
  .