Senior Java Developer

Celestir; New York (NY); On-site; USD 120,000 - 160,000; Full time

Job summary

Celestir is seeking a highly capable Java backend developer with strong AWS experience to design, build, and maintain scalable microservices. You will develop APIs, ensure performance and resilience, and stay current with backend technologies in a fast-paced environment.

Key focus areas include Spring/SpringBoot, Scala familiarity, and hands-on use of CI/CD pipelines with Kubernetes, Jenkins, GitHub and Spinnaker. Join a collaborative team delivering robust cloud native solutions.

Qualifications

• Proficient in Java with knowledge of features in v11, v17 and v21.
• Familiar with design and architectural patterns.
• Ability to write reusable Java libraries.
• Strong knowledge of Microservices using Spring Framework & SpringBoot.
• Familiar with Scala programming language.
• Hands-on experience with CI/CD tools: Kubernetes, Jenkins, Github and Spinnaker.
• Experience with NoSQL databases like DynamoDB and relational databases.
• Excellent communication and teamwork skills.

Responsibilities

• Developing and maintaining microservices in backend applications.
• Developing and maintaining AWS services like DynamoDB, S3, Lambda, IAM and EKS.
• Ensuring responsiveness of applications.
• Designing and developing APIs.
• Meeting both technical and consumer needs.
• Staying abreast of developments in backend applications and programming languages.

Skills

Java

Microservices

Scala

Design patterns

API design

CI/CD

Tools

Kubernetes

Jenkins

GitHub

Spinnaker

DynamoDB

S3

Lambda

IAM

EKS

Relational DB

Job description

Multiple Locations: Dallas, TX Pittsburgh, PA Columbus, OH Strongsville, OH Charlotte, NC Phoenix, AZ, New York, NY

Job Description

The ideal candidate will have a strong background in Java development with experience of working in AWS environment and a passion for creating scalable and efficient applications. The candidate will be responsible for designing, developing, and maintaining high-quality software solutions, with a focus on performance.

Responsibilities

• Developing and maintaining microservices in the back-end applications.
• Developing and maintaining AWS services like DynamoDB, S3, Lambda, IAM and EKS.
• Ensuring responsiveness of applications.
• Designing and developing APIs.
• Meeting both technical and consumer needs.
• Staying abreast of developments in backend applications and programming languages.

Mandatory Skills

• Proficient in Java, with a good knowledge of advanced features introduced in v11, v17 and v21.
• Familiar with various design and architectural patterns.
• Skill for writing reusable Java libraries.
• Good knowledge of Microservices architecture using Spring Framework & SpringBoot.
• Familiar with Scala programming language.
• Hands-on experience with CI/CD tools - Kubernetes, Jenkins, Github and Spinnaker.
• Experience with No SQL database like DynamoDB and relational database.
• Excellent communication and teamwork skills.