11 senior backend engineer jobs at 9 companies in Delaware
2w
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Drupal Backend 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-$133k/yr RemoteFull Time
5+ YOE5+ years Drupal development with Drupal 11, ability to build custom modules/APIs, security and performance remediation, experience with DDEV/Docker, testing (Cypress, PHPUnit), Git workflows, and ability to obtain Public Trust clearance.
Drupal, DDEV, Docker, Xdebug, Cypress, PHPUnit, Git, GitHub Copilot, VS Code, PHPStorm, Jira, Confluence, Slack, Zoom, Microsoft Teams, Twig
2w
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Open Data Backend Engineer, (Senior 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
$121k-$159k/yr RemoteFull Time
7+ YOE7+ years engineering experience with Drupal 10–11, DKAN familiarity, PHP and SQL proficiency, Git/CI-CD, automated testing, Public Trust clearance eligibility, and US residency requirements.
Drupal 11, DKAN, CKAN, Socrata, DCAT, FHIR, SQL, Drush, Docker, DDEV, docker-compose, PHPUnit, Cypress, Xdebug, Git, Varnish, Akamai CDN, GraphQL, REST
1mo
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Senior AI Engineer
United States or Wilmington
$126k-$197k/yr RemoteFull Time
8+ YOEDegree in Computer Science/Engineering, 8+ years backend development with Python and JavaScript, 2+ years production GenAI systems experience, React/TypeScript UI skills, Pydantic proficiency, strong stakeholder communication.
Python, JavaScript, React.js, TypeScript, HTML, Pydantic, PyTorch, Azure, Azure Kubernetes, Office 365, GitHub
1d
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Senior Software Engineer (Full Stack)
Alabama or Arkansas or Arizona or California or Colorado or Connecticut or Delaware or Florida or Georgia or Illinois or Indiana or Kentucky or Louisiana or Maryland or Maine or Michigan or Minnesota or Missouri or North Carolina or New Hampshire or New Jersey or New York or Ohio or Oregon or Pennsylvania or South Carolina or Tennessee or Texas or Utah or Virginia or Vermont or Washington
RemoteFull Time
5+ YOE5+ years building production full‑stack applications; strong JavaScript/TypeScript and React experience, backend skills (PHP/Node/Python), cloud and DevOps knowledge, API and database expertise, strong communication and systems design.
JavaScript, TypeScript, React.js, Vue.js, Angular, HTML5, CSS3, SASS, PHP, Node.js, Python, Django, FastAPI, PostgreSQL, MySQL, MongoDB, DynamoDB, Redis, AWS, GCP, Azure, Docker, Kubernetes, GitHub Actions, Jenkins, GitLab, Claude Code, Cursor, Copilot
1mo
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Software Engineer III, Data Product
United States or Delaware or Nevada or Ohio or Oregon or Hawaii or New Mexico or West Virginia or Ireland
$134k-$181k/yr RemoteFull Time
6+ YOE6+ years professional software engineering experience, strong Python and FastAPI backend skills, production experience with Kafka, PostgreSQL, and React, solid testing and observability practices, and experience shipping full-stack features.
Python, FastAPI, Kafka, PostgreSQL, React, Claude, Cursor, Rippling
1mo
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Staff Software Engineer - Search / AI
Rhode Island or Mississippi or Montana or North Carolina or Louisiana or Maryland or Maine or Minnesota or Nebraska or Missouri or North Dakota or New York or New Jersey or New Mexico or Nevada or Ohio or South Carolina or Texas or South Dakota or Vermont or Tennessee or Virginia or Washington or Utah or Wisconsin or West Virginia or Oregon or Wyoming or Oklahoma or Pennsylvania or Colorado or Alabama or Arizona or California or Connecticut or District of Columbia or Florida or Iowa or Arkansas or Idaho or Illinois or Kansas or Delaware or Georgia or Indiana or Kentucky or Michigan or Massachusetts or New Hampshire
$107k-$284k/yr RemoteFull Time
7+ YOE7+ years software engineering, 5+ years cloud-native app experience (GCP/Azure/AWS), backend programming in Java/Python/Kotlin/Go, microservices design, AI/LLM integration, search tech, CI/CD, Docker/Kubernetes, observability.
GCP, Azure, AWS, Java, Python, Kotlin, Go, Elastic, OpenSearch, Solr, Lucene, GitHub, Jenkins, CircleCI, Harness, Docker, Kubernetes, LLMs, Retrieval-Augmented Generation (RAG), CI/CD
1mo
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Sr Aderant Engineer
Reston or San Diego or San Francisco or Washington or Wilmington or Phoenix or Los Angeles or Houston or Boston or Austin or Atlanta or Raleigh or Baltimore or New York or Dallas or Palo Alto or Short Hills or Minneapolis or Chicago or Seattle or Philadelphia or Miami
$113k-$179k/yr HybridFull Time
5+ YOE5+ years supporting Aderant Expert and enterprise financial/practice management systems, strong backend development and SQL skills, experience with integrations/APIs, bachelor's in CS/IT, analytical and troubleshooting ability.
Aderant Expert, SQL, APIs
2mo
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Sr. Software Engineer
Philadelphia or New Jersey or Delaware or New York or Maryland or Florida or South Carolina or Texas or Virginia or Georgia
HybridFull Time
FreedomPay: A fast-growing payments and commerce technology delivering secure solutions globally.
7+ YOE7+ years in application development and testing; strong web, SPA, and backend skills; security-focused; Agile experience; strong English communication.
.NET, SQL Server, MVC, jQuery, React, Angular, Redux, TypeScript, JWT, Git, HTML, CSS, Websockets
3mo
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Lead Software Engineer II – Java & Python
Wilmington, Delaware, United States
$100k-$135k/yr RemoteMultiple Commitments Available
4+ YOE4-6 years professional software engineering; strong backend Java and Python; SQL/data modeling; AWS; DynamoDB, RDS, PostgreSQL; CI/CD; Docker; ECS/EKS; CloudWatch/Datadog; excellent communication and collaboration.
AWS, Docker, Kubernetes, ECS, EKS, CloudWatch, Datadog, DynamoDB, RDS, PostgreSQL, DocumentDB, CI/CD
1mo
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Full Stack Software Developer - Mid-Senior Level
Farmington or Connecticut or Massachusetts or Delaware or District of Columbia or New Jersey or New York or Nevada or North Dakota or California or Colorado or Oregon or Rhode Island or Maryland or Montana or Minnesota or Idaho or Wyoming or Washington or Alaska or Hawaii or Puerto Rico or United States
$80k-$85k/yr RemoteFull Time
3+ YOE3+ years full stack development; strong Angular (v12+) and Lucee/CFML or similar backend experience; SQL Server, REST API integration, Git; demonstrated use of AI coding assistants.
Lucee, CFML, Angular, SQL Server, Git, GitHub, GitHub Actions, Jira, REST APIs, Claude, ChatGPT, Copilot, Cursor, Stripe, CyberSource, Paya, Microsoft 365, Blackbaud SKY API, Mailchimp APIs
1w
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Engineering Team Lead
District of Columbia or Delaware or Georgia or Massachusetts or Maryland or North Carolina or New Hampshire or New Jersey or Ohio or Pennsylvania or South Carolina or Utah or Virginia or Chalfont
RemoteFull Time
7+ YOE1+ Mgmt7+ years hands-on software engineering (backend Python or frontend React/TypeScript), 1+ year technical/team lead experience, experience with AI/agentic development, ownership of delivery, strong communication and mentorship skills.
Python, React, TypeScript, UNIX, AWS