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Tangem
Tangem·last month

Backend engineer (logistics)

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Location

remote, United Kingdom

Commitment

Full Time

Level

Junior (<2 years)

Required skills

Node.jsTypeScriptNestJSPostgreSQLAWS SNSAWS SQSTypeORMAPI IntegrationWebhooksAsynchronous SystemsSQLDomain Driven DesignHexagonal ArchitectureObservabilityLogisticsE-commerce

Job Description

We are looking for a Senior Backend Engineer to build backend services and logistics integrations for our platforms, including an e-commerce platform for our cold crypto wallets.

Responsibilities

  • Tech Stack: Node.js, TypeScript, NestJS, TypeORM, PostgreSQL, AWS SNS/SQS
  • Strong production experience with Node.js and TypeScript.
  • Strong NestJS experience.
  • Experience building and maintaining third-party API integrations and webhooks.
  • Solid understanding of AWS SNS/SQS and asynchronous systems.
  • Strong PostgreSQL and SQL skills.
  • Experience with spec-driven, AI-assisted development.
  • Strong engineering judgment and ownership.

Tasks

  • Design and build backend services and APIs with Node.js, TypeScript, and NestJS.
  • Build integrations with logistics providers, including shipping, tracking, fulfillment, and webhooks.
  • Use AI-assisted development as part of the engineering workflow, with strong validation through code review and automated tests.
  • Design reliable asynchronous workflows with AWS SNS/SQS, including retries, DLQs, and idempotent processing.
  • Design and optimize PostgreSQL queries, transactions, and data models.
  • Own features end-to-end: from specification and API contracts to implementation, testing, and production.

Experience

  • Logistics or e-commerce experience.
  • Observability experience.
  • Familiarity with DDD or hexagonal architecture.

Ready to join the team?

Apply now