✦ Luna Orbit — Software Engineering

Senior Backend Engineer

at ImagineX Consulting

📍 Remote, US Remote Posted April 01, 2026
Type Full-Time
Experience senior
Exp. Years Not specified
Education Not specified
Category Software Engineering

Senior backend engineer to design and implement secure, scalable backend systems for a fraud-detection platform. Build with Node.js and TypeScript on Google Cloud Platform, with Kubernetes and microservices, integrating AI/ML tooling like Vertex AI and Gemini.

  • Build and optimize fraud-prevention and device-authentication systems using Node.js and TypeScript
  • Develop payment interceptors, high-risk action authentication, and step-up flows
  • Integrate backend services with GCP (Spanner, BigQuery, GKE) and containerized environments
  • Collaborate with AI/ML systems (Vertex AI, Gemini)
  • Contribute to architectural decisions and technical strategy

Stack includes Node.js, TypeScript, RESTful APIs, Kubernetes, Google Cloud Platform (GKE, BigQuery, Spanner), OAuth2/OIDC, Vertex AI, Gemini, containerized environments, CI/CD; requires security-conscious design and scalable backend architectures.

The ideal candidate is a senior backend engineer proficient with Node.js/TypeScript, deep experience with GCP, Kubernetes, and secure auth patterns; strong in building real-time fraud/detection platforms; comfortable in distributed remote teams.

Strong experience building backend systems with Node.js and TypeScriptOIDC/OAuth2 ecosystems and authentication strategiesGCP services (GKE familiarity expected; Spanner preferred)Kubernetesmicroservicesand relational databases (Postgres or similar)Authenticationsecurity best practicesand fraud-related systemsAI/ML integration—Vertex and GeminiRESTful APIsmicroservicesand secure authentication patterns
Familiarity with AI/ML integration—Vertex and Gemini (preferred)
Google Kubernetes EngineKubernetesGoogle Cloud PlatformCloud SpannerBigQueryVertex AIGeminiOIDC/OAuth2RESTful APIsTypeScriptNode.js
Node.jsTypeScriptRESTful APIsMicroservicesKubernetesGoogle Cloud PlatformGoogle Kubernetes EngineCloud SpannerBigQueryPostgreSQLOAuth 2.0OIDCVertex AIGeminiPostgres
Node.jsTypeScriptRESTful APIsMicroservicesKubernetesGoogle Cloud PlatformGoogle Kubernetes EngineCloud SpannerBigQueryPostgreSQLOAuth 2.0OIDCVertex AIGeminiPostgres
problem-solvingjudgmentclear communicationteam collaborationself-driven
Industry SaaS
Job Function Develop secure, scalable backend systems for an ML-powered fraud detection platform on GCP.
Role Subtype Backend Engineer
Tech Domains Google Cloud Platform, Kubernetes, PostgreSQL, SQL / PostgreSQL, JavaScript, Node.js
senior backend engineernode.jstypescriptoidcoauth2restful APIsmicroserviceskubernetesgoogle cloud platformbigquerycloud spannergkevertex aigeminipostgrespostgresqlremoteci/cd

No experience with GCP, No Kubernetes experience, No TypeScript/Node.js experience

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