12 backend development engineer jobs at 9 companies in Delaware
2mo
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Backend Software Developer
Lomazzo or Delaware
€35k-€40k/yr HybridFull Time
3+ YOE3-5 years backend experience, Bachelor's or Master's in CS/SE/Aerospace or related, proficiency in Python, FastAPI, MySQL, Docker, Kubernetes, GIT; English professional proficiency.
Python, FastAPI, MySQL, Docker, Kubernetes, GIT, GitLab CI/CD
1mo
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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
2mo
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Full-Stack Engineer (Backend Focused)
Los Angeles or Alabama or Alaska or Delaware or District of Columbia or Hawaii or Iowa or Louisiana or Mississippi or Nebraska or New Mexico or Rhode Island or South Dakota or West Virginia or United States
$140k/yr HybridFull Time
2+ YOE2+ years software engineering experience; strong backend skills with Node and TypeScript/JavaScript, frontend experience with React, SQL/relational databases, distributed systems and API development.
Node, TypeScript, JavaScript, React, SQL, MySQL, GCP Cloud SQL
1w
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Experienced Software Engineer Java / Python (Full Stack or Back End)
Wilmington, Delaware, United States
OnsiteFull Time
Requires practical experience in system design, application development, testing, operational stability, Java or Python, databases, SDLC, agile methods, AI-assisted development, and secure engineering practices.
Java, Python, Software Development Life Cycle, CI/CD, AI-assisted software development tools
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
3mo
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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
4d
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Senior Engineer - Observability Platform
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
$83k-$222k/yr RemoteFull Time
5+ YOERequires 5+ years software engineering, 3+ years observability, Go or Java backend services, OpenTelemetry, Docker, Kubernetes, Argo CD, public cloud, Terraform or CloudFormation, and distributed pipelines.
Go, Python, Java, Spring Boot, OpenTelemetry, OTLP, Docker, Kubernetes, Argo CD, AWS, GCP, Azure, Terraform, CloudFormation, Helm, Kustomize, Grafana OSS, Grafana, Loki, Tempo, Mimir, PostgreSQL, MySQL, Envoy, Istio, Datadog, New Relic, AppDynamics, OpsGenie, PagerDuty, GoAlert, Kafka, Pulsar, ClickHouse, Bigtable, Cassandra, CI/CD
2mo
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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
2mo
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Software Engineer III, Data Product
Canada or United States or Delaware or Nevada or Ohio or Oregon or Hawaii or New Mexico or West Virginia or Ireland
RemoteFull Time
4+ YOE4+ years professional full-stack software engineering; strong Python and FastAPI backend skills, async patterns, Kafka/event-driven systems, PostgreSQL schema and optimization, production React experience, and collaboration with ML teams.
Python, FastAPI, Kafka, PostgreSQL, React, LLM, Rippling.com
4d
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Lead Software Engineer II – Java & Python
Wilmington, Delaware, United States
$100k-$135k/yr HybridFull Time
4+ YOERequires 4–6 years of software engineering experience, strong Java and Python backend skills, SQL, data modeling, AWS, databases, CI/CD, Docker, observability, Agile collaboration, and technical documentation.
Java, Python, SQL, AWS, DynamoDB, RDS, PostgreSQL, DocumentDB, Docker, ECS, EKS, CloudWatch, Datadog
2mo
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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
3w
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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