Federal Backend Engineer

Horizon3

United States Posted October 18, 2026

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Remote Full-time Senior
Job Description

Join our team as a Senior Backend Engineer, where you will play a key role in user-facing product launches and platform enhancements. You will develop core product features, design and implement backend APIs, build and maintain ETL pipelines, and collaborate with frontend team members. This position offers growth opportunities, an innovation-driven culture, a flexible work environment, and an inclusive and diverse team.

  • Contribuer au développement de fonctionnalités clés du produit, y compris l'ETL et GraphQL, pour le traitement et la récupération des données.
  • Concevoir et mettre en œuvre des API backend en GraphQL pour faciliter les interactions entre les différents composants du produit.
  • Collaborer avec les membres de l'équipe frontend pour présenter les données de manière claire et conviviale, améliorant ainsi l'expérience utilisateur du produit.
  • Bachelor's Degree in Computer Science, Computer Engineering or related field
  • Experience building applications on cloud computing platforms such as AWS, Azure, GCP, using container technologies such as Docker and Kubernetes
  • 7+ yrs professional software engineering experience using modern object-oriented or functional languages (Python, Java, Go, Scala, C++, TypeScript, etc)
  • Experience building and troubleshooting capabilities in Federally compliant systems such as FedRAMP, IL4/5/6, and other Classified workloads
  • Current Top Secret security clearance or eligibility to gain/maintain a Top Secret clearance
  • Expert proficiency in SQL
  • Experience with various database architectures including relational (PostgreSQL) and graph (Neo4j)
  • Experience building GraphQL backends
  • Experience building platform capabilities for internal teams
  • Experience managing and maintaining production infrastructure
  • Experience using AI-enabled development tools
Required Skills
ETL collaboration GraphQL Amazon Web Services Azure Google Cloud Platform Docker Kubernetes software development Python Java Scala C++ TypeScript troubleshooting SQL
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