374 javascript engineer jobs at 131 companies in Hanover, PA

PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
1mo
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Javascript - Senior Developers - AI Training - Baltimore, US
Baltimore or United States
$50/hr RemoteContract, Part Time
Prolific
Prolific: Platform connecting researchers and AI developers with verified participants.
BS/MS/PhD in CS or related, professional experience building scalable web apps with JavaScript/TypeScript, expert-level JS knowledge (event loop, closures, async), able to solve LeetCode Medium–Hard, and review/execute JS/TS code.
JavaScript (ES6+), TypeScript, React, Node.js, Vue, Angular, Jest, Cypress, Webpack, Vite, GraphQL, RESTful APIs, LeetCode
1mo
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Software Engineer, Classification Systems (JavaScript)
Hanover, Maryland, United States
$79k-$163k/yr OnsiteFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
3+ YOETS/SCI with polygraph required; Bachelor's in Computer Science/Engineering or equivalent experience; 3+ years software engineering; strong JavaScript/DOM, TypeScript, Node.js/npm; AWS, Docker, Git, GitLab CI/pipelines, Jest, Cypress experience.
JavaScript, DOM, TypeScript, Node.js, npm, AWS, Docker, Git, GitLab CI, GitLab pipelines, Jest, Cypress, Microsoft Office JavaScript API
1mo
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Software Engineer, Classification Systems (JavaScript)
Hanover, Maryland, United States
$79k-$163k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
3+ YOETS/SCI with polygraph required; Bachelor’s in CS/CE or equivalent; 3+ years software engineering; strong JavaScript/DOM, TypeScript, Node.js/npm; AWS services, Docker, Git/GitLab CI, Jest, Cypress; unit testing and code review experience.
JavaScript/DOM, TypeScript, Node.js/npm, AWS services, Docker, Git (command line), GitLab CI, GitLab pipelines, Jest, Cypress, Microsoft Office JavaScript API, M365
1mo
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Software Engineer 2 - Grafana/Bash/Python/JavaScript
Annapolis Junction, Maryland, United States
$130k-$270k/yr OnsiteFull Time
Captivation Software
Captivation Software: Provides specialized software engineering for the intelligence and defense communities.
8+ YOEMust hold Top Secret/SCI with favorable Polygraph and U.S. citizenship; 8+ years SWE experience (Bachelor's in CS required or 4 additional years SWE in lieu); required skills: Grafana, Bash, Python, JavaScript.
Grafana, Bash, Python, JavaScript
3w
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JavaScript Developer Software Engineer 1(TS/SCI with Poly)
Fort Meade, Maryland, United States
OnsiteFull Time
Solerity
Solerity: Provides IT and engineering services for federal government agencies.
TS/SCI with poly required; experience with JavaScript/DOM, TypeScript, Node.js/npm, AWS, Docker, Git/GitLab CI/pipelines, Jest, Cypress, JIRA; testing, code reviews, troubleshooting, and customer interaction.
JavaScript, DOM, TypeScript, Node.js, npm, AWS, Docker, Git, GitLab CI, GitLab pipelines, Jest, Cypress, JIRA, Microsoft 365
4w
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Senior Software Engineer (C++, Javascript, Python - TS/SCI with Polygraph required)
Annapolis Junction, Maryland, United States
$175k-$225k/yr OnsiteFull Time
Red Alpha
Red Alpha: Provides software engineering and data science for defense missions.
14+ YOE14+ years software development experience; Bachelor's in Computer Science (or 4 years extra experience); strong C++, Python, JavaScript; Linux, Git, Docker, Kubernetes; CI/CD (Jenkins, Maven, Nexus); active TS/SCI with Polygraph.
C++, Python, JavaScript, Linux, Git, Docker, Kubernetes, Jenkins, Maven, Nexus, Helm, ArgoCD, Keycloak, Groovy, RPM, YUM, DNF, Jira, Kendo UI Test Builder
2d
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Software Engineer: Full Stack - Python, Java or JavaScript/TypeScript (TS/SCI Clearance Required)
Alexandria or Chantilly or Englewood or Gaithersburg or Saint Louis or Tucson
OnsiteFull Time
North Point Technology
North Point Technology: Technology services and engineering for federal government missions.
Active TS/SCI clearance with polygraph ability, Bachelor's in CS or related, proficiency in Python/Java/JavaScript/TypeScript, cloud (AWS/Azure), containers, CI/CD, databases, and secure coding practices.
Python, Java, JavaScript, TypeScript, HTML, CSS, JSON, AJAX, REST APIs, React, Angular, Vue.js, Node.js, Spring Boot, Django, Flask, AWS, Azure, MySQL, PostgreSQL, SQL Server, Linux, Windows, Git, GitLab CI, Jenkins, JIRA, Confluence, Docker, Kubernetes, RMF, STIGs, Go, OpenSearch, Elasticsearch, S3, EC2, SQS, SNS, RDS, CloudFormation, Terraform, Ansible, GeoServer, PostGIS, OGC APIs, ESRI ArcGIS
3d
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Software Engineer
Annapolis Junction, Maryland, United States
$120k-$220k/yr OnsiteFull Time
Accenture Federal Services
Accenture Federal ServicesNYSE: ACN: Provides technology and consulting services to U.S. federal agencies.
5+ YOE5+ years software development experience with at least one language (Java, Python, C++, JavaScript); experience with Agile; Bachelor’s in CS or related (or 4 years experience); TS/SCI with polygraph required.
Java, Python, C++, JavaScript, Spring, Hibernate, React, Angular, Vue.js, Django, Flask, STL, Qt, Boost, Git, Jenkins, PostgreSQL, MySQL, Oracle, ElasticSearch, MongoDB, AWS, Docker, Kubernetes
1mo
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2026 Graduate - Computer Engineer, Shipboard Systems Team
Laurel, Maryland, United States
$85k-$165k/yr OnsiteFull Time
Johns Hopkins University Applied Physics Laboratory
Johns Hopkins University Applied Physics Laboratory: Conducts research and engineering for national security and space.
Bachelor's or Master's in Computer Engineering (or related), familiarity with agentic coding for data analysis, proficiency with C#, Python, MATLAB, C++, JavaScript, ability to travel ~5%, and ability to obtain Interim Secret/Secret clearance (U.S. citizenship required).
C#, Python, MATLAB/Simulink, C++, JavaScript, SQL Server, Apache Parquet, Arrow, GitLab, Jira
1mo
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Site Reliability Engineer - CTJ - Poly
United States or Reston or Redmond or Annapolis Junction or Atlanta
$102k-$202k/yr OnsiteFull Time
Microsoft
MicrosoftNASDAQ: MSFT: Develops software, services, devices, and cloud computing solutions.
2+ YOEBachelor's in Computer Science or related and 2+ years engineering experience (or equivalent). Coding experience in C, C++, C#, Java, JavaScript, or Python. Must hold active U.S. Top Secret/SCI clearance (SSBI) and U.S. citizenship; on-call responsibilities; <25% travel.
C, C++, C#, Java, JavaScript, Python, Microsoft 365, Microsoft Exchange, Microsoft Outlook, Microsoft Teams, Microsoft SharePoint, Microsoft OneDrive, Microsoft Purview, Microsoft Defender for Office, Microsoft Azure, CoPilot, GenAI
2w
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Software Engineer
Annapolis Junction or District of Columbia or Reston
$127k-$215k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Designs and manufactures advanced defense and aerospace systems.
8+ YOETS/SCI with CI poly required or able to obtain; typically a Bachelor's and 8+ years experience (or equivalent); DoD 8570 IAT Level II; Linux/Windows Server, AWS/CloudFormation, RDS, Python, JavaScript, Salt, Oracle/Mongo/PostgreSQL/MySQL; strong communications; ability to work evenings/weekends.
Linux, Windows Server, Amazon Web Services (AWS), Cloud Formation, RDS, Python, JavaScript, Salt Configuration, Oracle, Mongo, PostgreSQL, MySQL, Elasticsearch
1mo
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MLOps Automation Senior Lead Engineer
Columbus or Austin or Chicago or Dallas or Detroit or Hagerstown or Houston or Akron or Charlotte or Indianapolis or Minneapolis or Cincinnati or Cleveland
$93k-$189k/yr HybridFull Time
Huntington
HuntingtonNASDAQ: HBAN: Provides regional commercial, consumer, and mortgage banking services.
10+ YOE10+ years automation/software engineering experience, bachelor\u0002s degree or equivalent, strong coding skills (JavaScript, C++, Python, Java), CI/CD and automation experience (Jenkins, Artifactory, CircleCI, Ansible), cloud and container platform experience (AWS, Azure, Docker, Kubernetes).
JavaScript, C++, Python, Java, Jenkins, Artifactory, CircleCI, Ansible, AWS, Azure, Docker, Kubernetes, CI/CD
3w
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Automated Test Engineer
Annapolis Junction, Maryland, United States
$164k-$213k/yr HybridFull Time
GDIT
GDITNYSE: GD: Delivers IT and mission services to government agencies.
15+ YOEBachelor's degree required, TS/SCI w/Poly required, 15+ years experience, proven Cypress automation and JavaScript/TypeScript skills, API/UI test development, Agile, Git, Jira, and CI/CD familiarity.
Git, JavaScript, TypeScript, Cypress, Jira, Confluence, GitLab CI/CD, Amazon Web Services, Docker
3w
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GIS Systems Engineer II
Suitland or Hanover
$81k-$120k/yr OnsiteFull Time
Oceaneering
OceaneeringNYSE: OII: Global provider of engineered services for offshore energy industries.
2+ YOE2+ years relevant experience with an Associates in Information Science/GIS/Computer Science or equivalent experience; experience with SQL/Python/JavaScript and geodatabases; ability to obtain Security+ and Top Secret clearance; U.S. citizenship required.
SQL, Python, JavaScript, Visual Basic, ESRI ArcMap, ESRI ArcPro, ESRI Portal, ESRI Enterprise GIS/Portal, ESRI topology tools, MapsSDK for JavaScript, .NET, SQL Database, Microsoft Word, Microsoft Excel, Microsoft PowerPoint
1mo
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SME AI Engineer
Columbia, Maryland, United States
$225k-$247k/yr OnsiteFull Time
Assured Information Security
Assured Information Security: Provides cybersecurity research and products for national defense missions.
15+ YOEMaster's (15+ yrs) or Bachelor's (18+ yrs) and extensive experience designing, building, integrating, or evaluating AI/ML applications; familiarity with LLMs, RAG, prompt engineering, agentic frameworks (e.g., LangChain); TS/SCI w/CI Poly required.
LangChain, LangGraph, Semantic Kernel, AutoGen, CrewAI, Haystack, Llamalndex, Python, JavaScript, TypeScript
1mo
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Senior Software Engineer
Annapolis Junction, Maryland, United States
HybridFull Time
ClearEdge
ClearEdge: Provides software engineering and data analytics for defense agencies.
15+ YOETS/SCI with polygraph required; 15+ years software engineering experience; full-stack development expertise with Java and JavaScript; proficiency with modern JavaScript frameworks (React, Vue, Angular); familiarity with Section 508 and SDLC.
React, Vue, Angular, Java, JavaScript, Leaflet.js
1w
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Ruby on Rails Engineer (Consultant, Engineering & Technical Services)
Baltimore or Alabama or California or Delaware or District of Columbia or Florida or Georgia or Maryland or New Jersey or New York or North Carolina or Pennsylvania or South Carolina or Tennessee or Texas or Virginia or West Virginia
$96k-$142k/yr RemoteFull Time
Fearless
Fearless: Digital services firm delivering IT solutions for government agencies.
2+ YOE2+ years Ruby on Rails full-stack experience, REST API design, JavaScript/React frontend, AWS (RDS, CloudWatch), CI/CD and Terraform, ability to obtain Public Trust clearance.
Ruby on Rails, JavaScript, React, AWS, CloudWatch, RDS, GitHub Actions, Terraform
3w
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Senior Platform Engineer (Observability & Telemetry)
Baltimore, Maryland, United States
OnsiteFull Time
OneMain Financial
OneMain FinancialNYSE: OMF: Provides personal loans and credit cards to nonprime consumers.
5+ YOEBachelor's in CS/IT, 5+ years in software/systems/reliability engineering with production observability experience; strong OpenTelemetry, monitoring, SLOs, cloud (AWS/Azure), Kubernetes, scripting, and dashboarding skills.
OpenTelemetry, Grafana, OpsRamp, ElasticStack, BigPanda, AWS CloudWatch, Azure Monitor, Bash, PowerShell, Python, C-family, JavaScript, Kubernetes, Docker, Elastic Observability, APM, Jenkins, GitHub, GitLab CI, CircleCI, Ansible, Terraform, ServiceNow, REST, JSON
3mo
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Lead Systems Engineer - SATCOM
Fort Meade, Maryland, United States
$146k-$234k/yr OnsiteFull Time
Peraton
Peraton: Provides advanced technology and mission support for government agencies.
12+ YOETop Secret clearance with SCI eligibility; 12+ years in systems/network/software engineering; IAM Level III; RMF/STIG/POA&M experience; DoD SATCOM expertise; senior/lead roles; BIWF/ gateway experience; programming and DB skills.
Nagios, ScienceLogic SL1, Remedy, BIWF, RUDICS, DTCS, SBD/eSBD, AWS GovCloud, Python, JavaScript, C#, .NET, Linux, Windows, ESXi, Cisco, Palo Alto, F5
3w
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Software Engineer
Fort Meade, Maryland, United States
OnsiteFull Time
ManTech
ManTech: Provides technology solutions for defense and intelligence agencies.
0+ YOEBachelor's in Computer Science (or related), 0–4 years software engineering experience, proficiency with Python or Java/JavaScript/C/C++, experience with Angular/React and Docker/Kubernetes preferred, active TS/SCI with polygraph required.
Python, Java, JavaScript, C, C++, Angular, React, Docker, Kubernetes