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99 application integration engineer jobs at 73 companies in Frederick, MD

2w
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Integration Engineer
Fort Meade, Maryland, United States
$190k-$210k/yr OnsiteFull Time
Markon Solutions
Markon Solutions: Provides professional program and engineering services to federal agencies.
14+ YOEActive TS/SCI with polygraph required; Bachelor's degree and 14+ years in systems integration/engineering; experience migrating applications to cloud, integrating complex systems, data flow engineering, classified environments, strong analytical and communication skills.
AWS, Azure, Google Cloud, Agile, DevSecOps
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1mo
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Integration Engineer
Fort Meade, Maryland, United States
$190k-$210k/yr OnsiteFull Time
Markon
Markon: Provides professional services and management consulting for government agencies.
14+ YOEActive TS/SCI with polygraph required; Bachelor's and 14+ years in systems integration/engineering; experience with cloud application migration, data flow engineering, system interfaces, and classified/multi-domain environments.
AWS, Azure, Google Cloud, Agile, DevSecOps
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1mo
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Senior Application Engineer I
Washington D.C. or Chicago or New York City or Los Angeles
$133k-$183k/yr HybridFull Time
Kirkland & Ellis
Kirkland & Ellis: Provides legal services for corporate, litigation, and transactional matters.
8+ YOE8+ years in advanced application support/configuration, experience with e-discovery and litigation platforms, APIs/ETL/data integrations, Microsoft SQL, Linux, REST APIs, PowerShell, emerging AI, strong communication and problem-solving.
Relativity Server/One, Reveal, BrainSpace, AI, APIs, REST APIs, ETL, data pipelines, Microsoft SQL, Linux, PowerShell
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3w
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Building Controls Application Engineer
San Diego or Dallas or Chicago or Waco or Boston or Ashburn or Houston or Lehi or Denver
$120k-$130k/yr HybridFull Time
Mantis Innovation
Mantis Innovation: Provides managed facility services and energy procurement solutions.
10+ YOE10+ years engineering experience, 5+ years BMS application development; DDC and PLC programming, BACnet/Modbus/Ethernet-IP integrations, Niagara (Niagara N4), Ignition, Wonderware, Distech, networking knowledge, and Microsoft Office proficiency.
BMS, SCADA, DDC, PLC, BACnet, Modbus, Niagara, Niagara N4, Ignition, Wonderware, Distech, Ethernet/IP, SNMP, MQTT, Microsoft Office
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2mo
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Application Security Engineer 3
Arlington, Virginia, United States
OnsiteFull Time
Bloomberg Industry Group
Bloomberg Industry Group: Provides legal, tax, and government intelligence and news services.
5+ YOELead application security engineering, design scalable security architectures, perform risk assessments, integrate security across the SDLC, and drive automation.
Python, Java, JavaScript, SAST, DAST, SCA, IaC, Container, Cloud Security, Kubernetes, DevSecOps
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1w
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Senior Application Developer
Fort Belvoir, Virginia, United States
$140k-$155k/yr OnsiteFull Time
SOSi
SOSi: Provides technology and mission solutions for national security.
5+ YOE5+ MgmtDesign, develop, integrate, and maintain complex .NET applications; mentor junior developers; must hold Top Secret clearance and IAT-II certifications; 5+ years development and supervisory experience.
.NET Core, .NET, Microsoft SQL, C#, JavaScript, AWS, Azure, GCP, REST APIs, ARMIS, AAO, ACOTD, FACTS, MDR, ADAMS, CI/CD
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1mo
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Application Engineer
McLean, Virginia, United States
OnsiteFull Time
Appian
AppianNASDAQ: APPN: Provides a low-code platform for enterprise-grade process automation.
2+ YOEB.S./B.A. in a related field, 2+ years Appian development experience, 2+ years with relational databases/SQL and API integrations (REST, SOAP, JDBC); AI/GenAI experience and Appian or project management certifications are nice-to-have.
Appian, GenAI, relational databases, SQL, REST, SOAP, JDBC, Postgres, MariaDB
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1mo
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Sr. Application Developer - ServiceNow
Laurel, Maryland, United States
$108k-$184k/yr OnsiteFull Time
WSSC Water
WSSC Water: Provides water and wastewater utility services.
6+ YOE6+ years ServiceNow development/admin (or 10+ years with HS), experience with JavaScript, Glide API, REST/SOAP integrations, ServiceNow modules and Studio, Service Portal frameworks, strong communication and analytical skills, and on-call availability.
ServiceNow, ServiceNow Studio, ServiceNow Automated Test Framework (ATF), JavaScript, Glide API, Business Rules, UI Policies, Client Scripts, HTML, CSS, XML, REST, SOAP, AngularJS, React, Flow Designer, IntegrationHub, IDE, LDAP, SSO
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Senior Software Integration Engineer - 725
Annapolis Junction, Maryland, United States
$200k-$265k/yr OnsiteFull Time
Freedom Technology Solutions Group
Freedom Technology Solutions Group: Provides geospatial and software engineering solutions for national security agencies.
12+ YOE12+ years software development experience (or 16 years without degree), TS/SCI with Polygraph, Java and integration experience, REST/SOAP, Docker, Linux, COTS/GOTS application configuration, Agile experience.
Java, Angular, Microsoft ASP.Net, REST, SOAP, Linux, Docker, Oracle, MySQL, SpringBoot, AWS, Git, GitLab, Atlassian Tool Suite, IBM Maximo, Microsoft SQL Server, Kubernetes
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1w
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Application Developer
Annapolis Junction, Maryland, United States
$69k-$158k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
6+ YOE6+ years Java (Spring Boot), 5+ years software design/integration/testing, 2+ years Python, 1+ year Ruby, Linux experience, TS/SCI with polygraph, Bachelor's degree.
Java, Spring Boot, Python, Ruby, Linux, JMS, Jenkins, Bitbucket, Subversion, Git, Maven
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1w
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Application Developer
Annapolis Junction, Maryland, United States
$69k-$158k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
6+ YOE6+ years Java (Spring Boot), 5+ years system design/development/integration, 2+ years Python, 1+ year Ruby, Linux experience, TS/SCI clearance with polygraph, Bachelor's degree.
Java, Spring Boot, Python, Ruby, Linux, JMS, Jenkins, Bitbucket, Subversion, Git, Maven
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1w
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Application Developer III
Arlington, Virginia, United States
HybridFull Time
Argo Cyber Systems
Argo Cyber Systems: Provides managed cybersecurity and incident response services to organizations.
5+ YOEU.S. citizen with active TS/SCI clearance, bachelor's degree and 5+ years in automation/data/software engineering, strong Python skills, AWS/ML pipeline and AI/LLM integration experience, Databricks and API/automation expertise.
Python, AWS, Amazon Bedrock, Databricks, Databricks AI, Airflow, Prefect, Docker, Kubernetes, Kafka, Kinesis, Spark, Hadoop, Git, CI/CD, Automated Malware Analysis (AMA)
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2mo
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Application Services Software Engineer
Clarksburg, Maryland, United States
$105k-$135k/yr OnsiteFull Time
Forterra
Forterra: Develops autonomous ground vehicle systems and software for defense.
2+ YOE2-3 years software engineering, systems integration, DevOps, or internal tools; strong C#, .NET, APIs, scripting, SQL; experience building or supporting internal applications and automations.
C#, DOTNET, SQL, PowerShell, Power Automate, Microsoft 365, Azure
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5d
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HVAC Controls Systems Application Engineer
Capitol Heights, Maryland, United States
$68k-$95k/yr OnsiteFull Time
Johnson Controls
Johnson ControlsNYSE: JCI: Provides integrated building technologies including HVAC, fire, and security systems.
Bachelor's degree in engineering, knowledge of control theory and building automation, experience with low-voltage subsystem integration (LON, BacNet), advanced computer/drafting skills, ability to travel to job sites.
LON, BacNet
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3mo
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Application Developer – Lead
Hanover or Jacksonville
$122k-$182k/yr HybridFull Time
Allegis Group
Allegis Group: Provides staffing, recruiting, and workforce management services globally.
8+ YOE8+ years Salesforce experience; JavaScript/web dev; Salesforce architecture/APIs; integration via MuleSoft; DevOps and SDLC tooling; Salesforce DX.
Salesforce, MuleSoft, REST APIs, SOAP APIs, OAuth, Git, GitHub Actions, Salesforce DX, JavaScript, HTML, CSS, SOQL, SOSL, LWC, Visualforce
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3d
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Senior Application Support Developer
Arlington or Dallas
$86k-$138k/yr OnsiteFull Time
Peraton
Peraton: Provides advanced technology and mission support for government agencies.
8+ YOE2+ MgmtBachelors+10 yrs or Masters+8 yrs; 8+ years developing applications using Agile; 2+ years leading development; experience with application architecture, UI design, integration, and client-facing presentations; U.S. citizenship and Public Trust eligibility.
Microsoft Power Platform, Salesforce, Microsoft SharePoint, Microsoft Visual Studio, Java, C#, Visual Basic, Oracle, SQL Server
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1mo
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Junior Software Integration Engineer
Chantilly, Virginia, United States
$70k-$105k/yr OnsiteFull Time
The Aerospace Corporation
The Aerospace Corporation: Provides technical expertise and research for national space programs.
1+ YOEBachelor's in STEM required, 1+ years post-Bachelor experience in web application development with Java/Python/Spring/REST/Cloud; familiarity with Agile, Atlassian tools, Git/Subversion, Windows/Linux, and ability to obtain a U.S. security clearance.
Spring Framework, Java, Python, RESTful services, Cloud, JIRA, Confluence, BitBucket, SourceTree, Git, Subversion, Windows, Linux, DevSecOps, AI/LLM
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3mo
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Application Developer (Oracle EBS / PL-SQL)
Washington, District of Columbia, United States
OnsiteContract
Think Tank
Think Tank: Provides IT and management consulting services to government agencies.
8+ YOE8–12+ years' experience in Oracle EBS/PL-SQL; Bachelor's in CS; PL/SQL, Oracle APIs, debugging, CEMLI, integrations; experience with Federal Financials Systems; US citizenship.
PL/SQL, Oracle APIs, CEMLI, Integrations, Federal Financials Systems, Debugging
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1mo
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Senior Application Developer
Fairfax, Virginia, United States
$135k-$165k/yr HybridFull Time
GovCIO
GovCIO: Provides technology and mission support services to federal agencies.
12+ YOEActive Secret clearance, 12+ years on large integrated projects (or commensurate experience) with 5+ years Java development; expertise in Java SE/EE, Spring Boot, REST, CI/CD, containerization, and federal security/compliance.
Java, ColdFusion, JavaScript, C#, Java SE/EE, Spring Boot, RESTful services, Maven, Gradle, Git, Jenkins, GitLab CI, Docker, Kubernetes, AWS GovCloud, Microsoft Azure Government
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3w
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Application Developer - Senior
Colorado Springs or Reston
$60k-$180k/yr HybridFull Time
Aleut Federal
Aleut Federal: Provides infrastructure and technical services to federal government agencies.
7+ YOE7+ years software development, 5+ years ServiceNow, Java knowledge, 4+ years development lead experience, integration/API development, IT-II/Tier 3/NACLC/ANACI eligibility or current Tier 3 investigation; relevant ServiceNow and agile certifications preferred.
ServiceNow, Java
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