Washington, DC · On-site
$57.75 - $74.75/hr
You will be responsible for planning and executing upgrades across our technology stack, including Apache Solr with Zookeeper, Apache Tomcat, Apache Directory Studio, and Java/Python components ...
Washington, DC · On-site
$57.75 - $74.75/hr
You will be responsible for planning and executing upgrades across our technology stack, including Apache Solr with Zookeeper, Apache Tomcat, Apache Directory Studio, and Java/Python components ...
Reston, VA · On-site
$54 - $69.75/hr
You will be responsible for planning and executing upgrades across our technology stack, including Apache Solr with Zookeeper, Apache Tomcat, Apache Directory Studio, and Java/Python components ...
Quick apply
Reston, VA · On-site
$54 - $69.75/hr
You will be responsible for planning and executing upgrades across our technology stack, including Apache Solr with Zookeeper, Apache Tomcat, Apache Directory Studio, and Java/Python components ...
Reston, VA · On-site
$53 - $68.75/hr
You will be responsible for planning and executing upgrades across our technology stack, including Apache Solr with Zookeeper, Apache Tomcat, Apache Directory Studio, and Java/Python components ...
Reston, VA · On-site
$53 - $68.75/hr
You will be responsible for planning and executing upgrades across our technology stack, including Apache Solr with Zookeeper, Apache Tomcat, Apache Directory Studio, and Java/Python components ...
Reston, VA · On-site
$165K - $220K/yr
Perform Solr version upgrades, including index migration, optimization, validation, and performance ... Expert-level experience developing enterprise Java applications. * Strong Python development ...
Reston, VA · On-site
$165K - $220K/yr
Perform Solr version upgrades, including index migration, optimization, validation, and performance ... Expert-level experience developing enterprise Java applications. * Strong Python development ...
Reston, VA · On-site
$59.50 - $76/hr
The role involves planning and executing upgrades across the technology stack, including Apache Solr with ZooKeeper, Apache Tomcat, Apache Directory Studio, and Java/Python components running on ...
Reston, VA · On-site
$59.50 - $76/hr
The role involves planning and executing upgrades across the technology stack, including Apache Solr with ZooKeeper, Apache Tomcat, Apache Directory Studio, and Java/Python components running on ...
Washington, DC · On-site
$64.75 - $82.75/hr
The role involves planning and executing upgrades across the technology stack, including Apache Solr with ZooKeeper, Apache Tomcat, Apache Directory Studio, and Java/Python components running on ...
Washington, DC · On-site
$64.75 - $82.75/hr
The role involves planning and executing upgrades across the technology stack, including Apache Solr with ZooKeeper, Apache Tomcat, Apache Directory Studio, and Java/Python components running on ...
$59.50 - $76/hr
You will also be responsible for upgrading and migrating Solr indexes, integrating with Oracle ... Develop and maintain Java and Python applications running on Windows-based VMware infrastructure.
Quick apply
$59.50 - $76/hr
You will also be responsible for upgrading and migrating Solr indexes, integrating with Oracle ... Develop and maintain Java and Python applications running on Windows-based VMware infrastructure.
$64.75 - $82.75/hr
You will also be responsible for upgrading and migrating Solr indexes, integrating with Oracle ... Develop and maintain Java and Python applications running on Windows-based VMware infrastructure.
Quick apply
$64.75 - $82.75/hr
You will also be responsible for upgrading and migrating Solr indexes, integrating with Oracle ... Develop and maintain Java and Python applications running on Windows-based VMware infrastructure.
Reston, VA · On-site
$59.75 - $76/hr
The role involves planning and executing upgrades across the technology stack, including Apache Solr with ZooKeeper, Apache Tomcat, Apache Directory Studio, and Java/Python components running on ...
Reston, VA · On-site
$59.75 - $76/hr
The role involves planning and executing upgrades across the technology stack, including Apache Solr with ZooKeeper, Apache Tomcat, Apache Directory Studio, and Java/Python components running on ...
Reston, VA · On-site
$130K - $171K/yr
Expertise Apache Solr with Zookeeper (including upgrading and migrating Solr index data ... Develop and maintain Java/Python components on Windows-based VMware infrastructure * Modernize ...
Quick apply
Reston, VA · On-site
$130K - $171K/yr
Expertise Apache Solr with Zookeeper (including upgrading and migrating Solr index data ... Develop and maintain Java/Python components on Windows-based VMware infrastructure * Modernize ...
$52 - $67.25/hr
... Solr o Charting Technologies (D3/C3 Charts preferred) o GIS/Maps development (Leaflet ... Sun/ Oracle Certified Java Programmer desirable Additional Information Job Status: Contract-to-Hire ...
$52 - $67.25/hr
... Solr o Charting Technologies (D3/C3 Charts preferred) o GIS/Maps development (Leaflet ... Sun/ Oracle Certified Java Programmer desirable Additional Information Job Status: Contract-to-Hire ...
$80 - $85/hr
... Apache Solr o Design Patterns, OOPS o PL/SQL, Oracle Forms/Reports 11g, PL SQL Web Catridges o Web Services, WSDL, UDDI, XML, DTD, XSD,XLST,SOAP, JAVA RMI o BIRT Reports, Jasper reports o RDBMS ...
$80 - $85/hr
... Apache Solr o Design Patterns, OOPS o PL/SQL, Oracle Forms/Reports 11g, PL SQL Web Catridges o Web Services, WSDL, UDDI, XML, DTD, XSD,XLST,SOAP, JAVA RMI o BIRT Reports, Jasper reports o RDBMS ...
Bethesda, MD · On-site
$55.50 - $76/hr
The Research Java Software Engineer will support the National Institutes of Health (NIH ... Experience with MongoDB/Solr/Cassandra Additional Information Email: sean.s @ kggroup.com Phone ...
Bethesda, MD · On-site
$55.50 - $76/hr
The Research Java Software Engineer will support the National Institutes of Health (NIH ... Experience with MongoDB/Solr/Cassandra Additional Information Email: sean.s @ kggroup.com Phone ...
Chantilly, VA · On-site
$52.25 - $67.75/hr
They are seeking multiple Backend Java Engineers to build mission-critical applications and enhance ... or Solr • Experience working with streaming or event-driven architectures such as SNS/SQS ...
Chantilly, VA · On-site
$52.25 - $67.75/hr
They are seeking multiple Backend Java Engineers to build mission-critical applications and enhance ... or Solr • Experience working with streaming or event-driven architectures such as SNS/SQS ...
... Java EE7, JAVASCRIPT Worked on Webserver/Jboss or other J2EE Application server Experience working ... Experience in integrating with Security products (SAML, SSO) and Alfresco o Experience with Solr o ...
... Java EE7, JAVASCRIPT Worked on Webserver/Jboss or other J2EE Application server Experience working ... Experience in integrating with Security products (SAML, SSO) and Alfresco o Experience with Solr o ...
Chantilly, VA · On-site
$52.25 - $67.75/hr
They are looking for multiple Backend Java Engineers to join their team, focusing on building ... Solr • Experience working with streaming or event-driven architectures such as SNS/SQS, Kafka ...
Chantilly, VA · On-site
$52.25 - $67.75/hr
They are looking for multiple Backend Java Engineers to join their team, focusing on building ... Solr • Experience working with streaming or event-driven architectures such as SNS/SQS, Kafka ...
Herndon, VA · On-site
$54 - $69.50/hr
Experience with ElasticSearch and or Solr \n * Experience in Java and Python programming with the AWS SDK \n \n \n \n \n \n
Herndon, VA · On-site
$54 - $69.50/hr
Experience with ElasticSearch and or Solr \n * Experience in Java and Python programming with the AWS SDK \n \n \n \n \n \n
Chantilly, VA · On-site
$52.25 - $67.75/hr
They are seeking multiple Backend Java Engineers to build mission-critical applications and ... Solr • Experience working with streaming or event-driven architectures such as SNS/SQS, Kafka ...
Chantilly, VA · On-site
$52.25 - $67.75/hr
They are seeking multiple Backend Java Engineers to build mission-critical applications and ... Solr • Experience working with streaming or event-driven architectures such as SNS/SQS, Kafka ...
Herndon, VA · On-site
$52 - $67.25/hr
They are looking for multiple Backend Java Engineers to join their team, focusing on building ... Solr • Experience working with streaming or event-driven architectures such as SNS/SQS, Kafka ...
Herndon, VA · On-site
$52 - $67.25/hr
They are looking for multiple Backend Java Engineers to join their team, focusing on building ... Solr • Experience working with streaming or event-driven architectures such as SNS/SQS, Kafka ...
Herndon, VA · On-site
$52 - $67.25/hr
They are seeking multiple Backend Java Engineers to work on mission-critical applications focused ... Solr • Experience working with streaming or event-driven architectures such as SNS/SQS, Kafka ...
Herndon, VA · On-site
$52 - $67.25/hr
They are seeking multiple Backend Java Engineers to work on mission-critical applications focused ... Solr • Experience working with streaming or event-driven architectures such as SNS/SQS, Kafka ...
$15.62 - $21.24
0% of jobs
$21.24 - $26.85
0% of jobs
$26.85 - $32.47
1% of jobs
$32.47 - $38.08
3% of jobs
$38.08 - $43.70
6% of jobs
$43.70 - $49.31
14% of jobs
$49.53 is the 25th percentile. Wages below this are outliers.
$49.31 - $54.93
20% of jobs
The median wage is $56.33 / hr.
$54.93 - $60.54
23% of jobs
$62.94 is the 75th percentile. Wages above this are outliers.
$60.54 - $66.16
18% of jobs
$66.16 - $71.77
11% of jobs
$71.77 - $77.39
4% of jobs
$15
$56
$77
| Aspect | Java Solr | Java Elasticsearch |
|---|---|---|
| Required Credentials | Java programming, XML, HTTP APIs | Java programming, REST APIs, JSON |
| Work Environment | Server-side, search engine setup, enterprise | Server-side, search and analytics, cloud-friendly |
| Industry Usage | Large enterprises, e-commerce, publishing | Tech companies, startups, cloud services |
| Common Search Intent | Compare search platforms, integration options | Compare search and analytics tools, scalability |
Java Solr and Java Elasticsearch are both popular search platforms built with Java. Solr is known for its robust enterprise features and XML-based configuration, while Elasticsearch offers a RESTful API and JSON-based setup, making it more flexible for cloud environments. Both are used in large-scale search applications, but their integration and deployment differ based on project needs.
$57.75 - $74.75/hr
Full-time
This job post has expired today. Applications are no longer accepted.
Annapolis Junction, MD; Washington, DC; or Reston, VA area preferred (telework is allowed)
We are seeking an experienced Senior Java Developer to modernize a critical government information system. The ideal candidate will have deep expertise in enterprise Java application development and a proven track record of upgrading complex software infrastructures in secure, regulated environments.
You will be responsible for planning and executing upgrades across our technology stack, including Apache Solr with Zookeeper, Apache Tomcat, Apache Directory Studio, and Java/Python components running on Windows-based VMware infrastructure. Strong knowledge of Oracle 19c database integration, SAP Business Intelligence reporting frameworks, secure coding practices, and upgrading and migrating Solr index data is essential. Experience with PrimeFaces UI framework is a plus. You will collaborate with cross-functional teams-including security, infrastructure, and business stakeholders-to ensure seamless upgrades with minimal operational disruption.
Position Responsibilities:
Core Development & Modernization:
•Plan and execute technology stack upgrades for enterprise Java applications in secure government environments
•Develop and maintain Java/Python components on Windows-based VMware infrastructure
•Modernize legacy application code to current standards and best practices
•Implement secure coding practices in compliance with government security requirements
Infrastructure & Integration:
•Upgrade Apache Solr clusters with Zookeeper coordination
•Migrate and optimize Solr index data during version upgrades
•Manage Apache Tomcat application server configurations and deployments
•Integrate applications with Oracle 19c database systems
•Work with Apache Directory Studio for directory services integration
•Support SAP Business Intelligence reporting framework integrations
Collaboration & Documentation:
•Collaborate with security, infrastructure, and business stakeholder teams
•Ensure minimal operational disruption during system upgrades
•Document technical designs, upgrade procedures, and system configurations
•Participate in code reviews and knowledge-sharing sessions
13+ Years of experience in Systems or IT related roles or a highly related field of work with similar scope and responsibilities.
A bachelor's degree may be substituted for 4 years of experience and a master's degree may be substituted for 6 years of experience.
Desired Qualifications:
•Experience with PrimeFaces UI framework
•TS/SCI with an in-scope polygraph
