Senior Full-Stack Developer – TS/SCI Poly | Java & Elasticsearch

White Sky Technologies LLC; Maryland; On-site; USD 185,000 - 205,000; Full time

Job summary

White Sky Technologies, LLC in Maryland is seeking a senior backend engineer to design, implement and optimize Java-based services and RESTful APIs. The role emphasizes Elasticsearch integration for fast search, indexing and retrieval, plus collaboration with stakeholders to refine requirements and deliver reliable software.

You will write clean, well-documented code, monitor performance, contribute to Agile ceremonies, and participate in CI/CD pipelines with automated testing.

Qualifications

• 14+ yrs of experience as an engineer in programs and contracts of similar scope, type and complexity.
• Bachelor's degree in a technical discipline from an accredited college or university; five years of additional experience may be substituted for a bachelor's degree.
• Active TS/SCI w/ poly clearance, in-scope poly within 7 years.
• Experience integrating and querying Elasticsearch.
• Proficiency in RESTful API development and microservice design.
• Experience with JavaScript frameworks (React/Angular) and Java (Spring Boot).
• Familiarity with Kubernetes.

Responsibilities

• Implement and optimize backend services and APIs using Java.
• Integrate Elasticsearch to support efficient search, indexing and retrieval.
• Collaborate with stakeholders to refine requirements and deliver intuitive user experiences.
• Write clean, maintainable and well-documented code.
• Monitor application performance and address any issues with availability, scalability or data accuracy.
• Participate in Agile ceremonies and contribute to sprint planning, retrospectives and daily stand-ups.
• Contribute to CI/CD pipelines and automated testing strategies.

Skills

Elasticsearch integration

RESTful API development

Microservice design

Communication and collaboration

Problem-solving

Education

Bachelor's degree in a technical discipline

5 years of additional experience may be substituted for a bachelor's degree

Tools

Java

JavaScript

Spring Boot

React/Angular

Elasticsearch

JSON/XML

Git

Kubernetes

Job description

White Sky Technologies, LLC in Maryland is seeking a senior backend engineer to design, implement and optimize Java-based services and RESTful APIs. The role emphasizes Elasticsearch integration for fast search, indexing and retrieval, plus collaboration with stakeholders to refine requirements and deliver reliable software.

You will write clean, well-documented code, monitor performance, contribute to Agile ceremonies, and participate in CI/CD pipelines with automated testing.