API Engineer - £600 / Outside IR35 / Working from Home

PRO CONTRACT JOBS LIMITED/T.A.Pro Contract Direct

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South East London, gb on site Until 8/22/2026 First posted March 27, 2025 Last posted March 27, 2025
Job description

Senior API Engineer – £600 per day (12 Months+ / Option of working from Remote / Outside IR35)

Greenfield project! Opportunity to design and engineer a brand-new REST API from scratch that will sit at the heart of a new system for the transport industry. No legacy spaghetti to ruin your life. You will be working in a smaller, long established, non-corporate and friendly agency outside of IR35 delivering a major project for a large transport industry client.

Location

·London, Bristol or Cornwall.

·Full option of working from remote.

Must Haves

·Great API design and documentation skills

·Relevant degree

·Extensive proven experience of REST API interfaces that interface with SOAP API services

·Proven experience of creating REST API written in PHP 7 in Codeigniter 3 as the framework

·Knowledge of API testing methodologies

·Knowledge of MySQL

·Experience of AWS API Gateway and related tech

·Design of smoke, sanity and unit tests

·Good communication skills to work with third party technical teams

·UK based during the working week

·Fluent in English

Desirable

·Knowledge of Drupal 7

·Experience with API security and authentication (OAUTH)

·AWS API Gateway experience

·JavaScript framework experience (for testing)

·Used to Agile working methodologies

·Linux experience

·Experience of GIT

You will be

·Working within a tight knit team closely with and reporting to the Workstream Team leader

·Working with the Test Engineers to create appropriate Unit Tests


About this role

Summary

Design and develop REST API interfaces, collaborate with teams, ensure security and testing.

Job title

API Engineer

Experience level

senior level

Industry

software

Location requirements

UK-based, remote work allowed, candidate must be in UK during workweek

Salary

£600 per day

Management role

No

Skills & keywords

Required skills

API designREST APISOAP APIPHP 7Codeigniter 3MySQLAWS API GatewayAPI testingcommunication

Preferred skills

Drupal 7API securityOAUTHJavaScriptLinuxGITAgile

Specializations

API designREST APIPHPMySQLAWS API Gateway
Locations

Structured locations inferred from the posting.

Unknown location

On-site