Core Java Developer API, Microservices

Toronto - Canada

Monthly Salary: Not Disclosed

Experience Required: 5years

Posted on: 10 hours ago

Vacancies: 1 Vacancy

Job Summary

Role: Core Java Developer

Experience: 8-10 years

Role Summary

We are looking for an experienced Intermediate Java Developer with 810 years of handson expertise in building highperformance backend systems APIs and microservices. The ideal candidate will have strong Core Java fundamentals extensive experience with Spring Bootbased microservices and a solid understanding of concurrency integration patterns and JVM performance tuningpreferably within Capital Markets or Investment Banking domains.

Key Responsibilities

Backend Development & Architecture

- Design develop and optimize backend services using Core Java 8.

- Implement multithreaded and concurrent processing modules for highthroughput applications.

- Build and consume RESTful APIs and integration endpoints across distributed systems.

Develop scalable microservices using Spring and Spring Boot frameworks.

Testing & Quality Assurance

- Write robust unit and integration tests using JUnit Mockito and related testing frameworks.

- Ensure code quality through reviews continuous integration and automated testing.

Performance & Troubleshooting

- Conduct performance tuning JVM optimization and memory analysis.

- Troubleshoot production issues using logs profilers and debugging tools.

- DevOps & Integration

- Work with CI/CD pipelines and artifact management tools (Jenkins Azure DevOps Git Maven/Gradle).

- Integrate backend services with relational databases and messaging platforms.

Required Technical Skills

- Strong proficiency in Core Java OOP concepts Collections Streams and Lambdas.

- Solid handson experience with multithreading concurrency executors and locking mechanisms.

- Deep understanding of Spring Framework Spring Boot and dependency injection.

- Strong SQL skills including relational schema design and query optimization.

- Experience building and consuming REST APIs working with JSON serialization/deserialization.

- Working knowledge of Maven/Gradle Git Jenkins Azure DevOps.

- Understanding of JVM internals garbage collection and performance tuning strategies.

- Experience with logging frameworks such as SLF4J Logback Log4j2.

Desirable Skills

- Experience in Capital Markets or Investment Banking environments.

- Exposure to Java API management or enterprise API gateway solutions.

- Familiarity with microservices in highvolume lowlatency environments.

Core Skill Areas

- Java API Management & Microservices

- Core Java Development

- Capital Markets / Investment Banking

Required Skills:

Experience (Years): 4-6 Essential Skills: Work with project teams throughout the organization to design implement and manage CDN infrastructure using Akamai to ensure high availability performance and scalability for customer facing applications and business processes. Handle multiple priorities and assignments with excellence and precision. Be a part of a 24/7/365 organization (some after hours support is expected as part of normal on-call rotation). Directly support line of business development teams provide guidance to them on implementation and changes for customer facing applications Develop and maintain security protocols and measures to protect CDN infrastructure from cyber threats. Monitor and analyze network performance identifying and resolving issues to optimize content delivery of critical applications. Collaborate with cross-functional teams to integrate Akamai CDN solutions with existing systems and applications. Collaborate with information security teams to implement DDoS protection strategies and other security measures in the CDN. Provide technical support and guidance to clients and internal teams regarding CDN and security best practices. Work closely with vendor and professional service teams on delivery related activities and strategy. Qualifications: Bachelors degree in Computer Science Information Technology or a related field. OR similar work experience. Strong understanding of network protocols (HTTP/HTTPS DNS TCP/IP). Proven experience as a CDN Engineer or similar role with a strong focus on -depth knowledge of Content Delivery Network technologies including caching load balancing and content optimization. Excellent problem-solving skills and attention to detail. Strong communication and teamwork abilities. Experience supporting 24/7/365 customer facing applications at enterprise scale. Awareness and experience with cybersecurity tools and practices such as firewalls intrusion detection/prevention systems and encryption. Proficiency in scripting and automation (e.g. Python Bash) a plus. Relevant certifications (e.g. CISSP CEH) are a plus but not required.

Role: Core Java Developer Experience: 8-10 yearsRole SummaryWe are looking for an experienced Intermediate Java Developer with 810 years of handson expertise in building highperformance backend systems APIs and microservices. The ideal candidate will have strong Core Java fundamentals extensive expe...