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API Integration Developer
Job Posted: 15 hours ago
Salary: £ 300 - 400 / Day
Job Type: Contract
Location: City of London, London
Expire in: a month
Job Description
About the Job:
In this contract role, you will design, develop, deploy, and document secure and functional APIs that integrate Employment Hero's HR and Payroll modules with third-party client platforms (such as timesheet and finance systems). You'll work day-to-day with our clients and partners, acting as the technical expert who architects API solutions based on client requirements and Employment Hero's documentation. You will manage the full API lifecycle, liaise with third-party vendors, contribute to solution design workshops, and ensure the integration meets performance, security, and
documentation standards. Your work will make a direct impact by enabling clients to use automated HR and Payroll processes efficiently.
Responsibilities and Duties:
API Solution Design & Development
Architect and implement secure, scalable RESTful APIs to integrate Employment Hero with external platforms
Implement OAuth 2.0 and token-based authentication for API access.
Manage the API lifecycle including testing, deployment, version control, logging, and monitoring.
Use Python (e.g. FastAPI) and Azure services (e.g. Azure Functions, Microsoft Fabric pipelines) for development and orchestration.
Document integration specifications and processes clearly for future maintenance and support.Collaboration & Client Integration Support:
Liaise with third-party vendors and client IT teams to align technical details.
Work closely with Technoivity consultants to align API designs with functional requirements.
Participate in workshops, contribute technical insight, and support user acceptance testing
Deliver training, handover materials, and ongoing technical documentation.Share best practices and contribute to continuous improvement.About you:
Experienced in developing RESTful APIs and implementing OAuth 2.0 authentication.
Skilled in Python (preferably FastAPI), Git, SQL, and cloud services like Microsoft Azure.
Familiar with technologies such as: Airbyte, Rivery and Hevo
Familiar with HR, Payroll, Recruitment, and L&D terminology and workflows.
Able to work independently and as part of a team in a remote environment.
Strong communicator, proactive problem-solver, and agile project contributor.Fully Remote
Outside IR35
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