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CGI

Lead API Developer

CGI, Boston, Massachusetts, us, 02298

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Position Description We are seeking a highly skilled and experienced Microservices API Developer with strong expertise in Spring Boot, Resilient API design, and event-driven architecture. The ideal candidate will have hands on experience in building fault‑tolerant, scalable microservices using Resilience4j, implementing caching strategies, and integrating with Kafka for asynchronous communication. You will be responsible for designing, developing, testing, and deploying APIs in cloud‑native environments using CI / CD pipelines on platforms like OpenShift or Azure Kubernetes Service (AKS).

This role is located in the Boston, MA area in a hybrid manner.

Your future duties and responsibilities

. Design and implement resilient, fault‑tolerant microservices using Spring Boot and Resilience4j

. Develop and maintain event‑driven architecture using Apache Kafka.

. Implement caching mechanisms to optimize performance and scalability.

. Write unit and integration tests using JUnit5, Mockito, and ensure code quality with Jacoco coverage reports.

. Perform performance testing and optimize APIs for high throughput and low latency

. Deploy microservices using CI / CD pipelines on OpenShift or AKS.

. Work with Terraform for infrastructure provisioning and cloud deployments.

. Utilize Docker, Docker Compose / Desktop for containerization and local development.

. Integrate and automate workflows using GitHub Actions.

. Collaborate with cross‑functional teams to ensure seamless integration and delivery.

. Maintain documentation and adhere to best practices in API design and cloud‑native development.

Required qualifications to be successful in this role

. Strong proficiency in Java and Spring Boot.

. Experience with Resilience4j for fault tolerance and circuit breaker patterns.

. Solid understanding of Kafka and event‑driven systems.

. Familiarity with caching strategies (e.g., Redis, Caffeine).

. Hands‑on experience with CI / CD tools and pipelines (GitHub Actions, Jenkins, etc.).

. Experience deploying applications on OpenShift or AKS.

. Proficiency with Terraform and Microsoft Azure cloud services.

. Strong knowledge of Docker, Docker Compose, and container orchestration.

. Experience with unit testing frameworks (JUnit5, Mockito) and code coverage tools (Jacco).

. Familiarity with performance testing tools (e.g., JMeter, Gatling).

. Excellent problem‑solving skills and ability to work in an agile environment.

Other Information CGI is required by law in some jurisdictions to include a reasonable estimate of the compensation range for this role. The determination of this range includes various factors not limited to skill set, level, experience, relevant training, and licensure and certifications. To support the ability to reward for merit‑based performance, CGI typically does not hire individuals at or near the top of the range for their role. Compensation decisions are dependent on the facts and circumstances of each case. A reasonable estimate of the current range for this role in the U.S. is $94,.00 - $,.00.

CGI's benefits are offered to eligible professionals on their first day of employment to include :

. Competitive compensation

. Comprehensive insurance options

. Matching contributions through the (k) plan and the share purchase plan

. Paid time off for vacation, holidays, and sick time

. Paid parental leave

. Learning opportunities and tuition assistance

. Wellness and Well‑being programs

#LI-MP2

Skills

Apache Kafka

Java

JUNIT Framework

RedisDB

Spring Boot

Terraform

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