Senior BackEnd/ Fullstack Engineer

DysrupIT

IndiaremotePosted 21 days ago
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Skill Required

Backend-EngineeringFull-Stack-EngineeringEnterprise-SaaS-DevelopmentAPI-Integration-EngineeringBackend-EngineerFull-Stack-EngineerSenior-Fullstack-+-DevOps-EngineerSenior-Full-Stack-EngineeringSenior-Backend-EngineeringSenior-Full-Stack-Engineer-(React-Node.Js)¿Senior-Fullstack-EngineeringSenior-Fullstack-DeveloperSenior-Full-Stack-Engineer-(Angular-Node.Js)Backend DeveloperFull Stack DeveloperKubernetesEngineeringsecuritybuildingDockerdesignOAuthRustAPIsIAMandGenerative AIAIMachine LearningFulltime

Key highlights

  • 5+ years of backend or full-stack development experience on enterprise B2B SaaS
  • Strong background in a statically typed language
  • Rust proficiency preferred
  • Proven experience building third-party API integrations (OAuth/SCIM, webhooks, rate limiting, versioning)
  • Experience with event-driven architecture and workflow orchestration
  • Experience implementing enterprise security/compliance features (RBAC, SSO/SAML, audit logging)

Role overview

We're looking for a Senior Backend/Full-Stack Engineer to build and scale our enterprise SaaS platform, with a focus on third-party integrations and workflow orchestration. This is not an AI/ML role, while the platform includes an AI component (a Small Language Model, or "SLM"), this engineer will consume it as a service, not build or train it.

Responsibilities

  • Design, build, and maintain backend/full-stack systems for our enterprise B2B SaaS platform
  • Build and maintain adapters/integrations against third-party enterprise APIs, handling OAuth/SCIM, webhooks, rate limits, flaky vendor endpoints, and API versioning
  • Design and develop event-driven systems, including queues, workflow orchestration, and idempotency handling — directly supporting our blueprint execution engine (a workflow engine)
  • Implement and maintain enterprise-grade security and compliance features, including RBAC, SSO/SAML, audit logging, and tamper-evident records (our "Evidence Vault")
  • Support self-hosted/on-prem deployments using Docker and Kubernetes
  • Integrate with our SLM (Small Language Model) as a consumer service — working with structured outputs, retrieval-augmented workflows, and eval-aware development
  • Take ownership of architectural decisions and technical direction, not just feature delivery
  • Mentor other engineers and provide technical guidance across the team
  • Review and push back on specs where appropriate, proposing alternative technical approaches

Requirements

  • 5+ years of backend or full-stack development experience on enterprise B2B SaaS shipped to production (agency or portfolio-only work will not be considered)
  • Strong background in a statically typed language
  • Proven, hands-on experience building integrations/adapters against third-party enterprise APIs (OAuth/SCIM, webhooks, rate limiting, versioning)
  • Experience with event-driven architecture: queues, workflow orchestration, idempotency
  • Experience with enterprise security/compliance implementations: RBAC, SSO/SAML, audit logging, on-prem/self-hosted deployment (Docker, Kubernetes)
  • Comfortable working with AI/LLM services as a consumer (structured outputs, retrieval, evaluation) — ML/AI engineering background is explicitly not required or expected
  • Strong communication skills and comfort challenging specs or proposing alternative solutions
  • Prior experience mentoring or providing technical leadership to other engineers

Nice to have

  • Rust proficiency preferred, or demonstrated ability to ramp up quickly in Rust

Additional details

  • This role is not an AI/ML role; the platform includes an AI component (a Small Language Model, or "SLM"), which the engineer will consume as a service, not build or train it.
  • Originally posted on Himalayas
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