105 software engineer full stack developer jobs at 62 companies in Middletown, DE

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Full Stack Software Engineer
Austin or Philadelphia
$100k-$130k/yr RemoteFull Time
QuotaPath
QuotaPath: Automates sales commission tracking and compensation management for teams.
2+ YOE2–4 years software engineering experience; full‑stack skills with React, TypeScript, Python/Django; experience shipping web applications, writing tests, and collaborating across product and design.
Python, Django, Pandas, React, TypeScript, @material-ui/core, PostgreSQL, Docker, Docker Compose, Google App Engine
3w
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Full Stack Software Engineer - Typescript
Philadelphia, Pennsylvania, United States
HybridFull Time
Oxford Economics
Oxford Economics: Global firm providing economic forecasting and analytical advisory services.
2+ YOE2+ years full stack web development, degree in CS/IS or related, proficiency with Svelte/Typescript/SvelteKit, backend development, PostgreSQL/SQL, cloud and auth systems; strong communication skills.
Svelte, Typescript, HTML, CSS, SvelteKit, C#/.NET, Supabase, Auth0, PostgreSQL, SQL, AWS, ECR, EC2, Lambda, S3, SQS, Terraform, JWT, EntraID, Tableau, Sigma, Omni
3mo
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Full Stack Software Engineer
Annapolis Junction, Maryland, United States
OnsiteFull Time
Gigatec
Gigatec: Providing systems engineering and software development services for defense.
3+ YOEExperienced software engineer skilled in Python/Java, front-end web tech, data processing, and streaming tools. Top Secret clearance required with polygraph. U.S. work authorization; no visa sponsorship.
Python, Java, Streamlit, TypeScript, HTML, CSS, JavaScript, React, Angular, Vue, Apache Spark, Jupyter Notebook, pandas, NumPy, Parquet, JSON, CSV, XML, Git, Apache Airflow, MySQL, MariaDB, PostgreSQL, Slurm, JIRA, Confluence
1mo
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Full Stack Software Engineer
Baltimore or Washington
HybridFull Time
Brandes Associates
Brandes Associates: Provides engineering, software, and program support to defense agencies.
5+ YOE5+ years software engineering experience; strong Java and JavaScript/TypeScript skills; experience with REST, XML/JSON, SQL databases, CI/CD, Git workflows, and secure/messaging systems; active US citizenship and Secret clearance required.
Java, JavaScript, TypeScript, MySQL, PostgreSQL, SQL Server, Oracle, Linux, Windows, Jira, Confluence, GitHub, GitLab, Bitbucket, Git, Apache Camel, Mule, JMS, AMQP, RabbitMQ, ActiveMQ, Artemis, Docker, Kubernetes, SBOM, CI/CD
2mo
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Full Stack Software Engineer
King of Prussia or Chantilly
$82k-$172k/yr OnsiteFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
5+ YOEActive TS/SCI with polygraph required, Bachelor's in CS or related, 5+ years OO experience (strong Python), 2+ years JavaScript/TypeScript, SDLC, microservices/REST APIs, Agile experience, ability to work in-office full time; up to 10% travel.
Python, JavaScript, TypeScript, AWS, Azure, Kubernetes, React, Angular, Git, GitLab, Jira, Confluence
1mo
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Full Stack Software Engineer II
Baltimore, Maryland, United States
$105k-$125k/yr HybridFull Time
Association of Universities for Research in Astronomy
Association of Universities for Research in Astronomy: Operates world-class astronomical observatories for federal agencies and universities.
3+ YOEBachelor's in CS or equivalent and 3+ years software engineering; proficiency in Python, JavaScript, Django, Linux, GitLab, Pytest, Jira; experience with REST APIs, TDD, CI/CD, monitoring.
Python, JavaScript, Shell, Linux, Jira, Django, GitLab, Pytest
1mo
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Senior Full Stack Engineer
New York City or Waltham or East Norriton or Princeton
OnsiteFull Time
Trinity Life Sciences
Trinity Life Sciences: Strategic consulting and analytics for life sciences companies.
Develop and maintain full-stack applications to support life sciences commercialization and collaborate with cross-functional teams.
1mo
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Full Stack Lead Software Engineer
Wilmington or Jersey City
$152k-$215k/yr OnsiteFull Time
JPMorgan Chase
JPMorgan ChaseNYSE: JPM: Global financial services firm providing banking and investment solutions.
5+ YOE5+ years leading development, hands-on with ReactJS/AngularJS, Java/J2EE or Python, cloud (AWS/Kubernetes/Azure), Jenkins, relational and No‑SQL databases, and experience with AI-assisted engineering tools.
ReactJS, AngularJS, Java, J2EE, Python, Open AI, Claude, Gemini, Copilot, Jenkins, Oracle, PostGreSQL, MongoDB, AWS, Kubernetes, Azure
1w
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Full-Stack Engineer
Philadelphia, Pennsylvania, United States
HybridFull Time
CapTech
CapTech: Provides technology and management consulting services to large enterprises.
6+ YOE6+ years designing, developing, and maintaining applications on the Microsoft Stack or Java; REST APIs, databases, front-end frameworks, AI development, Git, integrations, scalability, and technical communication.
Microsoft Stack, Java, RESTful APIs, Swagger, OpenAPI, SQL Server, NoSQL, Azure, AWS, GCP, JavaScript, TypeScript, HTML, CSS, Angular, React, Vue, Bootstrap, Claude code, CodeX, Opencode, OpenClaude, Git
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Full Stack Engineer
United States or San Francisco or New York City or Los Angeles or Boston or Seattle or Washington or San Diego or Chicago or Austin or Dallas or Portland or Denver or Philadelphia or Baltimore or Sacramento or Minneapolis or Miami or Atlanta or Phoenix or Orlando or Las Vegas or Salt Lake City or Madison or Birmingham or San Antonio or Spokane or Toronto
$115k-$195k/yr RemoteFull Time
Roo
Roo: Digital marketplace connecting veterinary professionals with animal hospital shifts.
2+ YOERequires 2–4 years of software engineering experience, TypeScript/JavaScript, mobile development, Node, Express, React, AWS, relational databases, and SQL. Computer Science degree preferred.
TypeScript, JavaScript, React Native, Node, Express, React, AWS, Jest, Cypress, SQL, CI/CD
3mo
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Sr. Full Stack Software Developer (Camden, NJ, US)
Camden, New Jersey, United States
$120k-$150k/yr OnsiteFull Time
Holtec International
Holtec International: Provides nuclear fuel storage systems and small modular reactors.
10+ YOESenior-level full-stack developer with 10+ years in enterprise environments; strong C#, .NET, REST, front-end tech, SQL Server, security, and architecture leadership.
C#, NET Core, NET Framework, REST, Blazor, HTML5, CSS3, JavaScript, Bootstrap, SQL Server, OAuth2, OIDC, Azure AD/Entra ID, Git, CI/CD, Docker, CQRS
2mo
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Senior Full Stack Software Engineer (Full-Time)
Philadelphia, Pennsylvania, United States
$90k-$140k/yr HybridFull Time
McKnight International
McKnight International: Professional project management and controls firm for infrastructure projects.
5+ YOE5+ years backend-focused software development experience with C#/.NET Core, Microsoft SQL Server, REST APIs; bachelor’s degree in CS or related field required; Azure and microservices preferred.
C#, .NET Core, Microsoft SQL Server, RESTful APIs, Azure
2mo
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Full Stack Engineer, Foundation
United States or Oakland or San Francisco or New York City or Boston or Seattle or Irvine or Los Angeles or Monterey or Santa Barbara or Santa Rosa or Austin or Portland or Philadelphia or Chicago
$146k-$235k/yr RemoteFull Time
LaunchDarkly
LaunchDarkly: Provides a feature management platform for software development teams.
5+ YOE5+ years full-stack engineering; strong TypeScript and React; experience with Go or Node; shipped AI/agent features and MCP/LLM tooling; instrumentation, funnel analysis, A/B testing, and on-call support experience.
TypeScript, React, Go, Node, MCP servers, LLM, IDE, LaunchDarkly
3mo
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Full Stack Software Engineer
King of Prussia, Pennsylvania, United States
$108k-$228k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
8+ YOESenior full-stack software engineer with 8+ years in OO languages (Python), 2+ years JS/TS, TS/SCI with Poly, and strong SDLC experience.
Python, JavaScript, TypeScript, RESTful APIs, Microservices, Cloud (AWS/Azure), Kubernetes, Git, Jira, Confluence
1mo
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Full Stack Engineer
Broomall, Pennsylvania, United States
$100k-$120k/yr RemoteFull Time
Xactus
Xactus: Provider of intelligent verification and credit data for lenders.
3+ YOEHigh school diploma or equivalent and 3+ years of professional software development experience with C#, .NET, SQL Server, and web applications. U.S. work authorization required; visa sponsorship unavailable.
C#, .NET Framework, .NET Core, ASP.NET Web Forms, Angular, TypeScript, JavaScript, SQL Server, Azure, HTML, CSS, Azure DevOps, Terraform, Terragrunt
3mo
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Full Stack Developer-Philadelphia Hybrid candidates ONLY
Philadelphia, Pennsylvania, United States
HybridFull Time
Docupace
Docupace: Provides workflow automation and document management software for financial firms.
5+ YOE5+ years in software development; full stack experience; proficient in JavaScript, AWS; strong CS fundamentals; remote-capable; translate feedback into product improvements.
Java, Python, React, Django, AWS, PostgreSQL, GraphQL, GitHub Actions, Docker
1w
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Software Engineer, Full Stack
Philadelphia, Pennsylvania, United States
$100k-$115k/yr HybridFull Time
Lucet
Lucet: Provides tech-enabled behavioral health optimization for health plans.
3+ YOEBachelor's or technical degree/certifications, 3+ years of software engineering experience, and at least 3 years of professional Ruby on Rails development using git. Background check required.
Ruby on Rails, git, JavaScript, React, HTML, CSS, PostgreSQL, Linux, RSpec, Sidekiq, Jenkins, REST API, Swift, New Relic, FHIR
4w
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Sr. Full Stack Engineer
Baltimore, Maryland, United States
$135k-$186k/yr RemoteFull Time
Index Analytics
Index Analytics: Delivers data strategy and IT solutions to federal health agencies.
8+ YOE8+ years relevant experience (or 6+ with Master’s) building full-stack web apps with SQL and Python, AWS deployment/monitoring, RESTful APIs, CI/CD, and secure coding; must be U.S. eligible for Public Trust.
SQL, Python, AWS, PostgreSQL, Aurora, S3, Secrets Manager, SSM, Jenkins, AWS CloudWatch, Splunk, RESTful APIs
3d
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Senior Full Stack Developer
Philadelphia, Pennsylvania, United States
HybridFull Time
Vanguard
Vanguard: Global investment management and financial services provider.
5+ YOERequires 5+ years of related experience, including 1+ year developing software, an undergraduate degree or equivalent, and expertise in UI, server-side development, integrations, APIs, and cloud technologies.
Agile, Confluence, JIRA, Angular, Node.js, TypeScript, Java, Spring Boot, Python, GitHub, CI/CD, TDD/BDD, AWS, CloudFormation, ECS, Fargate, S3, Lambda, IAM, SNS, SQS, Kafka, GitHub Workflow, DynamoDB, Splunk, Honeycomb, Stencil, AWS Bedrock, Arize, Claude
2mo
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Full Stack Software Engineer
New York City or Philadelphia or San Francisco
$150k-$220k/yr HybridFull Time
Treeswift
Treeswift: Provides AI-augmented vegetation management and asset monitoring for utilities.
4+ YOEBachelor's in CS/CE/Math, 4+ years full-stack experience, proficiency with Python, TypeScript, React; experience with AWS, WebGL, user auth, CI/CD and geospatial/imagery data a plus.
Python, TypeScript, React, AWS, WebGL, CI/CD, LiDAR, User Auth