HT
Hays Technology
ActiveSenior Backend Developer - Architecture, Data Modelling
The City, Central London
contract
Visa: Not specified
Location
The City, Central London
Salary
£65,127.84 - £65,127.84
Visa
Not specified
Employment
contract
Posted
2026-11-06
Closing Date
Open
Job Summary
This is a contract with Hays Technology in The City, Central London role. Salary: £65,127.84 - £65,127.84. Posted on 2026-11-06.
Job Overview & Responsibilities
Salary: £? - ? per year Requirements: Senior backend engineering experience, with a track record of building and operating enterprise-scale web applications and substantial hands-on responsibility. Production experience with TypeScript/JavaScript, Node.js, API design, asynchronous programming, SQL, and relational data modelling. Practical experience profiling applications, diagnosing bottlenecks, and reducing end-to-end latency, supported by before-and-after measurements. Examples of simplifyin…
Required Skills & Qualifications
JavaScriptTypeScriptNode.jsSQL
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