Senior Backend Engineer

Role overview

What you will be doing

• Build and maintain backend services and APIs using Node.js and TypeScript.
• Develop event producers, consumers and background workers, handling retries, duplicate events, ordering and partial failures.
• Integrate external providers and manage webhooks, authentication, rate limits and provider failures.
• Design database schemas, optimise queries and prepare safe migrations.
• Review changes for correctness, security, performance and compatibility with other services.
• Write tests for important workflows and failure cases.
• Follow development guidelines and release changes through review, testing and staged deployments.
• Plan validation and rollback or recovery steps before deploying significant changes.
• Investigate production issues using logs, metrics and traces, and address their underlying causes.
• Document technical decisions and communicate progress, dependencies and risks clearly.

Requirements & qualifications

• Strong experience building and maintaining JavaScript/TypeScript and Node.js services in production.
• Practical experience with event-driven architecture, microservices and message brokers or queues.
• Understanding of idempotency, delivery guarantees, retries, dead-letter queues and eventual consistency.
• Strong database fundamentals, including transactions, indexing, query optimisation and migrations.
• Experience with API design, authentication, permissions and backend security.
• Practical experience with Docker, Kubernetes and CI/CD, including staged deployments and production troubleshooting.
• Ability to assess how changes to APIs, event contracts, schemas or configuration could affect other services.
• Ability to learn unfamiliar codebases and tools quickly, and adapt to established engineering protocols.
• Good technical judgment, including knowing when to investigate further, ask for review or raise a concern.
• A friendly, respectful approach to teamwork. Comfortable asking questions, sharing knowledge and giving or receiving feedback.
• Clear written communication and the ability to manage work independently in a remote team.
• Familiarity with Rust, Kafka, Redis or Valkey.
• Knows about messaging, telephony, WebSockets or other real-time systems.
• Have experience with multi-tenant SaaS applications.

Benefits & compensation

• Attractive salary package based on skills and relevant experience.
• A company-provided work device.
• Company coverage of paid tools and software needed for the role.
• Company-funded monthly AI subscriptions for work.
• Paid sick, casual and earned leave, plus festival holidays under the company’s leave policy.
• Festival bonus equal to 45% of basic salary.
• Yearly salary review.