Job Description
Back End Developer (Node.js)
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Senior Software Engineer – Pricing & Inventory (Node/TypeScript)
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Contract: 6 months initially
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Rate: Up to £420 per day, Outside IR35
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Location: Can be worked fully remote
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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.
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This is a hands-on role focused on building reliable, scalable services that process millions of customer searches across multiple international markets.
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What you'll be working on
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- Building and improving pricing, inventory and availability services
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- Developing quote-caching and data freshness strategies
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- Designing resilient APIs and third-party integrations
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- Reducing latency and improving platform performance
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- Balancing pricing accuracy with cache efficiency and infrastructure cost
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- Improving monitoring, tracing and production observability
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- Owning solutions from investigation through to deployment
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Essential experience
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- Strong commercial experience with Node.js and TypeScript
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- Experience building pricing, inventory or availability systems
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- Background in a high-traffic e-commerce, marketplace or travel platform
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- Strong understanding of caching, data freshness and cache invalidation
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- Experience designing reliable APIs using retries, timeouts, idempotency and backpressure
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- Good SQL knowledge
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- Experience integrating unreliable or poorly documented third-party APIs
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- Strong production ownership across testing, CI/CD, deployment and monitoring
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- Regular use of AI coding tools or LLM-based development tools
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Nice to have
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- C#/.NET or Python
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- Cloud platforms and Terraform
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- Datadog, distributed tracing, profiling or flame graphs
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- Dynamic pricing, edge technologies or travel-sector experience
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This role would suit an experienced engineer who is comfortable owning complex pricing and inventory problems in a high-volume transactional environment.
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Back End Developer in London employer: ARC IT Recruitment
Join a prestigious financial services company in the heart of London, where you will be at the forefront of transformative projects that shape the future of client onboarding. With a strong emphasis on employee growth and a collaborative work culture, this role offers not only competitive compensation but also the chance to work alongside industry leaders in a dynamic hybrid environment. Embrace the opportunity to enhance your skills while contributing to meaningful change in a market-leading firm.
