Sr Java Developer

Zensar Technologies; Pune District; On-site; INR 350,000 - 700,000; Full time

Job summary

Zensar Technologies Limited is seeking an experienced Java Spring Microservices Engineer (AES‑DE‑FS) to build high‑performance backend services using Core Java, Spring Boot, Spring Cloud, and AWS. You will design and deploy microservices on AWS and Kubernetes, containerize with Docker, and implement security with OAuth2/JWT, while contributing to CI/CD pipelines and integration tests.

Join an Agile, cross‑functional team to deliver scalable data pipelines and observability with OpenTelemetry and

Qualifications

• 10+ years of professional Java development experience.
• Strong knowledge of Core Java, multithreading, and OOP principles.
• Hands-on with Spring Boot, Spring Security (OAuth2, JWT), and Spring Cloud.
• Proficiency in building and deploying microservices on AWS and Kubernetes (EKS).
• Experience with Docker, CI/CD tools (Jenkins, Spinnaker, JFrog).
• Solid testing skills using JUnit and Mockito.
• Familiarity with Redis, Apache Iceberg, DuckDB, and data ingestion patterns.
• Understanding of observability tools such as OpenTelemetry and Coralogix.
• Agile mindset with strong collaboration and communication abilities.

Responsibilities

• Design, develop, and maintain Java microservices using Spring Boot and Spring Cloud.
• Implement security mechanisms with Spring Security, OAuth2, and JWT.
• Deploy and manage services on AWS (EC2, S3, ECR, Glue, Athena) and Kubernetes (EKS).
• Containerize applications with Docker and orchestrate them using Kubernetes.
• Create CI/CD pipelines using Jenkins, Spinnaker, and JFrog Artifactory.
• Write unit and integration tests with JUnit and Mockito.
• Optimize performance and scalability, including multithreading and caching with Redis.
• Develop batch and data ingestion workflows leveraging Apache Iceberg and DuckDB.
• Instrument services with OpenTelemetry and monitor logs via Coralogix.
• Collaborate with cross‑functional Agile teams and participate in sprint planning and retrospectives.

Skills

Core Java

Spring Boot

Spring Cloud

AWS

Kubernetes (EKS)

Docker

CI/CD

JUnit/Mockito

Education

Bachelor's degree in Computer Science or related field

Tools

Jenkins

Spinnaker

JFrog Artifactory

Redis

OpenTelemetry

Coralogix

Apache Iceberg

DuckDB

Job description

Job Description:

Zensar Technologies Limited is seeking an experienced Java Spring Microservices Engineer (AES‑DE‑FS) to build high‑performance backend services. You will leverage Core Java, Spring Boot, Spring Cloud, and AWS to create resilient, secure micro‑architectures, integrate data pipelines, and support continuous delivery in an Agile environment.

Responsibilities

• Design, develop, and maintain Java microservices using Spring Boot and Spring Cloud.
• Implement security mechanisms with Spring Security, OAuth2, and JWT.
• Deploy and manage services on AWS (EC2, S3, ECR, Glue, Athena) and Kubernetes (EKS).
• Containerize applications with Docker and orchestrate them using Kubernetes.
• Create CI/CD pipelines using Jenkins, Spinnaker, and JFrog Artifactory.
• Write unit and integration tests with JUnit and Mockito.
• Optimize performance and scalability, including multithreading and caching with Redis.
• Develop batch and data ingestion workflows leveraging Apache Iceberg and DuckDB.
• Instrument services with OpenTelemetry and monitor logs via Coralogix.
• Collaborate with cross‑functional Agile teams and participate in sprint planning and retrospectives.

Qualifications

• 10+ years of professional Java development experience.
• Strong knowledge of Core Java, multithreading, and OOP principles.
• Hands‑on experience with Spring Boot, Spring Security (OAuth2, JWT), and Spring Cloud.
• Proficiency in building and deploying microservices on AWS and Kubernetes (EKS).
• Experience with Docker, CI/CD tools (Jenkins, Spinnaker, JFrog).
• Solid testing skills using JUnit and Mockito.
• Familiarity with Redis, Apache Iceberg, DuckDB, and data ingestion patterns.
• Understanding of observability tools such as OpenTelemetry and Coralogix.
• Agile mindset with strong collaboration and communication abilities.
• Bachelor’s degree in Computer Science, Engineering, or related field (or equivalent experience).

At Zensar, we’re "experience-led everything". We are committed to conceptualizing, designing, engineering, marketing, and managing digital solutions and experiences for over 130 leading enterprises. We are a company driven by a bold purpose: "Together, we shape experiences for better futures". Whether for our clients, our people, or the world around us, this belief powers everything we do. At the heart of our culture is ONE with Client – a set of four core values that reflect who we are and how we work: One Zensar, Nurturing, Empowering, and Client Focus.

Part of the $4.8 billion RPG Group, we’re a community of 10,000+ innovators across 30+ global locations, including Milpitas, Seattle, Princeton, Cape Town, London, Zurich, Singapore, and Mexico City. Explore Life at Zensar and join us to Grow. Own. Achieve. Learn.

We believe the best work happens when individuality is celebrated, growth is encouraged, and well-being is prioritized. We are an equal employment opportunity (EEO) and affirmative action employer, committed to creating an inclusive workplace. All qualified applicants will be considered without regard to race, creed, color, ancestry, religion, sex, national origin, citizenship, age, sexual orientation, gender identity, disability, marital status, family medical leave status, or protected veteran status.