Back End Developer (Node.js)

Senior Software Engineer – Pricing & Inventory (Node/TypeScript)

Contract: 6 months initially

Rate: Up to £420 per day, Outside IR35

Location: Can be worked fully remote

We’re supporting a high-traffic global e-commerce platform in its search for a Senior Software Engineer to improve its pricing, inventory and availability systems.

This is a hands-on role focused on building reliable, scalable services that process millions of customer searches across multiple international markets.

What you’ll be working on

Building and improving pricing, inventory and availability services
Developing quote-caching and data freshness strategies
Designing resilient APIs and third-party integrations
Reducing latency and improving platform performance
Balancing pricing accuracy with cache efficiency and infrastructure cost
Improving monitoring, tracing and production observability
Owning solutions from investigation through to deployment

Essential experience

Strong commercial experience with Node.js and TypeScript
Experience building pricing, inventory or availability systems
Background in a high-traffic e-commerce, marketplace or travel platform
Strong understanding of caching, data freshness and cache invalidation
Experience designing reliable APIs using retries, timeouts, idempotency and backpressure
Good SQL knowledge
Experience integrating unreliable or poorly documented third-party APIs
Strong production ownership across testing, CI/CD, deployment and monitoring
Regular use of AI coding tools or LLM-based development tools

Nice to have

C#/.NET or Python
Cloud platforms and Terraform
Datadog, distributed tracing, profiling or flame graphs
Dynamic pricing, edge technologies or travel-sector experience

This role would suit an experienced engineer who is comfortable owning complex pricing and inventory problems in a high-volume transactional environment.

Apply Now

Back End Developer (Node.js)

Job Details