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654 senior software engineer react jobs at 270 companies in Frederick, MD

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React Software Developer
Laurel, Maryland, United States
$150k-$200k/yr HybridFull Time
SITEC
SITEC: Provides specialized IT and engineering services to government agencies.
6+ YOEActive TS/SCI with Polygraph, Bachelor's in technical discipline (or 10 years' experience), 6+ years software development, strong React and JavaScript/TypeScript skills, SQL/NoSQL familiarity, able to work core hours 10:00-14:00 M-F.
React, JavaScript, TypeScript, HTML, CSS, Bootstrap, GitLab, Node.js, Angular, SQL, NoSQL
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2mo
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Senior React Developer
Annapolis Junction or Columbia
$200k-$275k/yr HybridFull Time
Freedom Technology Solutions Group
Freedom Technology Solutions Group: Provides geospatial and software engineering solutions for national security agencies.
12+ YOESenior full-stack developer proficient in React and Java/Spring Boot; experience migrating legacy systems; ability to work with Camunda and Pega workflows; strong REST APIs and Oracle/SQL skills.
React, Java, Spring Boot, Camunda, Pega, Oracle, SQL, REST API
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React Developer Senior
Ashburn, Virginia, United States
HybridFull Time
SAIC
SAICNASDAQ: SAIC: Provides government and defense clients with technology and engineering services.
5+ YOEBS in CS/Engineering, 5+ years software development with 5+ years React experience; proficiency in Typescript/JavaScript, HTML/CSS/SCSS, JSON, Jest/Enzyme/React Testing Library, and browser debug tools.
React, Typescript, JavaScript, JSON, HTML4/5, CSS, SCSS, Jest, Enzyme, React Testing library, Visual Studio Code, chrome devtools
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3w
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Senior React Software Engineer (contract)
Baltimore, Maryland, United States
$65-$75/hr RemoteContract
Mindgrub
Mindgrub: Digital agency providing custom software and AI innovation solutions.
4+ YOEU.S. citizen required. 4+ years front-end experience with React and JavaScript/TypeScript. Experience with reusable component libraries, client-side state, accessibility, responsive design, testing, CI/CD, and strong communication skills.
React, TypeScript, JavaScript, HTML, CSS, CI/CD, Git
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React Developer Senior
Ashburn, Virginia, United States
$120k-$160k/yr HybridFull Time
SAIC
SAICNYSE: SAIC: Provides engineering, IT, and mission support services to government.
5+ YOE5+ years React and UI development experience, BS in CS/Engineering, TypeScript/JavaScript, HTML4/5, CSS/SCSS, Jest/Enzyme/React Testing Library, experience with complex backend APIs, strong communication and critical thinking.
React, Microsoft Visual Studio Code, TypeScript, JavaScript, MVC, MVVM, JSON, HTML4/5, CSS, SCSS, Jest, Enzyme, React Testing Library, Chrome DevTools
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Senior Software Engineer (NodeJS, React)
Budapest or New York City or Washington or Vancouver or London or Galway or Munich or Bengaluru or Singapore or Sydney
HybridFull Time
Diligent
Diligent: Provides software for corporate governance, risk, and compliance management.
5+ YOE5+ years hands-on commercial development, strong SQL/RDBMS, microservices and REST API experience, cloud-native (AWS) experience; NodeJS/React, CI/CD, containers and mentoring skills preferred.
SQL, RDBMS, REST APIs, AWS, NodeJS, React, CI/CD, containers, GitHub actions, QuickSight, Lookr
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Senior Software Engineer
Jessup, Maryland, United States
$125k-$270k/yr OnsiteFull Time
AeroVironment
AeroVironmentNASDAQ: AVAV: Designs and manufactures unmanned aircraft and tactical missile systems.
8+ YOEBachelor's degree or equivalent; 8-12 years in application software; TS/SCI with Polygraph; strong Java backend; React; RESTful APIs; Docker/Podman; Kubernetes; microservices.
Docker, Podman, Kubernetes, Java, React, RESTful APIs, MongoDB, ArangoDB, Redis, PostgreSQL, AWS
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Senior Software Engineer
Annapolis Junction, Maryland, United States
OnsiteFull Time
Entegra Systems
Entegra Systems: Provides engineering and intelligence analysis for government missions.
7+ YOESeven years in software development; two years in SIGINT; TS/SCI with poly; front-end web development with JavaScript/React; Hadoop/HDFS; distributed storage; Windows/Linux; ability to guide juniors.
JavaScript, React, Hadoop, HDFS, C, C++, Linux, Windows, SOA, Web Services
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Senior Front End Software Engineer, React
Washington, District of Columbia, United States
$191k-$253k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
Proven engineering background; proficiency with React and TypeScript; experience building real-time, reactive user interfaces; ability to empathize with end users; eligible to obtain U.S. Top Secret security clearance.
React, ReactJS, TypeScript, Lattice OS
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Senior Software Developer (Python, React, AI) (DC, Washington)
Washington, District of Columbia, United States
OnsiteFull Time
U.S. News & World Report
U.S. News & World Report: Provides rankings and advice for consumer decision-making.
Senior full-stack developer with strong Python and React skills, experience with AWS and Google BigQuery, AI-first mindset, ability to mentor others and make architecture decisions.
Python, React, AWS, Google BigQuery, AI
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Senior Software Engineer
New York City or Washington or Austin or San Francisco
$195k-$235k/yr OnsiteFull Time
Method Financial
Method Financial: Connects financial accounts and processes debt payments via API.
5+ YOE5+ years software engineering experience; expert knowledge of JavaScript, Python or Java; experience with Node and React; building scalable production systems; strong communication and debugging skills.
JavaScript, JS, Node, React, Python, Java, AWS, Cloudflare, CI/CD, ACH, RTP
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3w
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Senior Software Engineer
Baltimore, Maryland, United States
$140k-$160k/yr RemoteFull Time
Impruvon Health
Impruvon Health: Software and hardware for medication management in care settings.
5+ YOE5+ years software engineering experience; strong Ruby on Rails backend skills; product-minded; experience with React and Flutter, relational databases, security and reliability (HIPAA/SOC 2); strong communication.
Ruby on Rails, React, Flutter, AWS, ECS, RDS, S3
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Senior Software Engineer
Baltimore, Maryland, United States
$140k-$160k/yr RemoteFull Time
Impruvon Health
Impruvon Health: Automated medication management and clinical workflow platform for providers.
5+ YOE5+ years software engineering experience, ownership of features from design to production, deep Ruby on Rails backend expertise, relational DB design, strong communication; React and Flutter experience preferred.
Ruby on Rails, React, Flutter, AWS, ECS, RDS, S3
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2mo
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Senior Software Engineer
Bethesda or Lehi or Austin
$130k-$160k/yr HybridFull Time
Brivo
Brivo: Cloud-native platform for physical security and video surveillance management.
5+ YOE5+ years in serverless AWS Lambda/TypeScript, Java/Spring Boot, and React/TypeScript; strong AWS, Kubernetes, CI/CD; PostgreSQL; BS in CS or related field; excellent communication.
AWS, Kubernetes, CI/CD, Java, Spring Boot, Node.js, TypeScript, React, PostgreSQL, Jenkins
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Senior Software Engineer
McLean, Virginia, United States
$129k-$193k/yr OnsiteFull Time
Freddie Mac
Freddie MacOTCQB: FMCC: Purchases and securitizes home mortgages for the secondary market.
5+ YOE5+ years hands-on software engineering; full‑stack development (React, JavaScript, Python, Java, Angular); AWS and web content management experience; architecture, security, and compliance knowledge; bachelor’s in CS or equivalent.
React, JavaScript, Python, Java, Angular, AWS, Acquia, SiteCorp, Drupal, Ping, Single Sign-On, Bitbucket Pipelines, Cloudflare, New Relic, DNS, TLS, REST APIs, Business Process Management, Low Code Application Platforms, AI
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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
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Senior Software Engineer
Grand Rapids or San Antonio or Raleigh or Washington
$110k-$160k/yr RemoteFull Time
BrainGu
BrainGu: Builds resilient, secure DevSecOps platforms for mission-critical environments.
7+ YOE7+ years software engineering experience, expertise with React and Python/Django, CompTIA Security+ (or obtain within 180 days), ability to obtain US government clearance, up to 30% domestic travel, located in Michigan or Texas.
React, Python, Django, Docker, Kubernetes
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2mo
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Senior Software Engineer - Product
Yonkers or Washington or Colchester or Arizona or California or Connecticut or Illinois or Maryland or Massachusetts or Michigan or New Hampshire or New Jersey or New York or Texas or Vermont or Virginia or District of Columbia
$115k-$160k/yr RemoteFull Time
Consumer Reports
Consumer Reports: Tests products and publishes ratings for consumer advocacy.
5+ YOE5+ years software engineering experience; proficiency with React, React Native, Python (FastAPI); experience building multi-platform apps, CI/CD, automated testing, observability; strong communication; bachelor’s degree preferred.
React, React Native, Python, FastAPI, AWS, Azure, Google Cloud Platform, CI/CD
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3mo
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Senior Software Developer
Washington, District of Columbia, United States
$155k-$165k/yr OnsiteFull Time
Municipal Securities Rulemaking Board
Municipal Securities Rulemaking Board: Regulates the municipal securities market to ensure market integrity.
7+ YOE7+ years software development; frontend in JavaScript/React/TypeScript; Python backend; AWS (Lambda, API Gateway, AppSync, DynamoDB, RDS, CloudFormation); REST/GraphQL APIs; CI/CD; SQL; testing.
AWS, Lambda, API Gateway, AppSync, DynamoDB, RDS, CloudFormation, REST, GraphQL, SQL, CI/CD, Git
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Senior Software Engineer
United States or California or Colorado or Hawaii or Illinois or Maryland or Minnesota or New Jersey or New York or New York City or Vermont or Washington or Washington
$150k-$180k/yr RemoteFull Time
Pearson
PearsonLondon Stock Exchange: PSON: Provide educational materials, assessments, and digital learning services globally.
5+ YOE5+ years software development experience; deep expertise in software architecture, system design, scalability, cloud-native design, security; proficiency with Ruby on Rails, React, AWS, and PostgreSQL; strong communication and mentoring skills.
Ruby on Rails, React, AWS, PostgreSQL
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