> Markdown version of [/jobs/ext/4654194-senior-sme-software-developer-java-python](https://www.wearedevelopers.com/jobs/ext/4654194-senior-sme-software-developer-java-python). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Senior / SME Software Developer - Java / Python

- **Company:** Vets Inc
- **Location:** Chantilly, VA, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Amazon Web Services, Automation of Tests, Microsoft Azure, Cloud Computing, Code Review, Continuous Integration, Extract Transform Load (ETL), Data Transformation, Relational Databases, Distributed Systems, Python (Programming Language), NoSQL, Scrum Methodology, Software Architecture, Systems Development Life Cycle, Query Optimization, Zero Trust Network Access, Secure Coding, Software Engineering, SQL Databases, Systems Integration, Data Processing, Scripting, Data Storage Technologies, Flask (Web Framework), Apache Spark, Spring-boot, Fastapi, Event Driven Architecture, Kubernetes, Information Technology, AWS Glue, Apache Kafka, Restful APIs, Data Pipelines, Docker, Microservices
- **Published:** November 10, 2026
- **Apply:** https://www.careerbuilder.com/job-details/senior-sme-software-developer-java-python-chantilly-va--e347c15a-0623-4763-9728-4b62a593d5c7

## About the Role

Software Development, Python Programming/Scripting Language, Java, Java, Software Engineering, Scalable System Development, Technical Leadership, Architectural Services, Application Programming Interface (API), Data Processing, * 7+ years of professional software engineering experience for Senior-level positions.

 * 10+ years of progressive software engineering and architectural leadership experience for SME-level positions.
 * Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent experience.
 * Strong production experience with Java and/or Python.
 * Experience with Spring Boot, FastAPI, Flask, or similar frameworks.
 * Strong knowledge of microservices architecture and enterprise APIs.
 * Advanced experience with SQL, relational databases, and NoSQL databases.
 * Experience with AWS or Azure cloud environments.
 * Experience with Docker and Kubernetes.
 * Strong understanding of CI/CD, automated testing, and secure coding practices.
 * Experience working in Agile/Scrum environments.
 * Active TS/SCI with CI Polygraph clearance.
 * Experience with ETL/ELT, distributed computing, Spark, Kafka, AWS Glue, or EMR is preferred.

## Description

The Senior / SME Software Developer will provide technical leadership, architectural guidance, and hands-on software engineering for complex system modernization and data transformation initiatives. The role focuses on designing and developing scalable backend applications, microservices, APIs, and data processing pipelines using Java and/or Python., * Architect, design, develop, test, and maintain scalable software applications and microservices.

 * Provide technical leadership and subject matter expertise in software architecture and engineering practices.
 * Design and implement RESTful APIs, event-driven architectures, and system integrations.
 * Develop and optimize data storage, ingestion, transformation, and processing pipelines.
 * Work with relational and NoSQL databases, including data modeling and query optimization.
 * Design cloud-native solutions using AWS or Azure, Docker, and Kubernetes.
 * Apply security, zero-trust, high-availability, and performance engineering practices.
 * Establish software development and engineering best practices.
 * Participate in code reviews and automated testing.
 * Mentor developers and lead technical design sessions.
 * Collaborate with stakeholders to translate technical and operational requirements into solutions.
 * Support Agile/Scrum development and continuous improvement.