Hays IT Contracting is a cooperation based on B2B rules. We connect IT specialists with the most interesting, technological projects on the market. Join the group of 500 satisfied Contractors working for Hays’ clients! 

For our client we are currently looking for Candidates for the position of:

Restful API Consultant / API Integrator

Location: Hybrid from Cracow office

Job type: B2B via Hays Poland 

Rate: 90 - 150 net+vat/h

Length: 12 months

Start date: ASAP

We’re looking specialist to: 

We are seeking an experienced Restful API Consultant to guide customers through the onboarding and integration process of our Client API services. The ideal candidate will possess in-depth knowledge of RESTful APIs, strong communication skills, and the ability to understand client needs and translate technical requirements into actionable solutions. As an onboarding consultant, you will work closely with both internal teams and external customers, ensuring a seamless API implementation and providing technical guidance throughout the integration lifecycle.

Department: Customer Technology

Reports to: Manager Information Technology

Key Responsibilities

Customer Onboarding and Support:

• Lead the onboarding process for customers, guiding them through Client API integration and implementation.
• Collaborate with customer developers, IT teams, and technical stakeholders to understand their needs and ensure successful Client API deployment.

API Integration and Configuration:

• Assist customers in setting up and configuring Client API connections, ensuring compatibility and performance optimization.
• Troubleshoot and resolve technical issues during the integration process, liaising with internal teams as needed.
• Conduct validation, and quality assurance for Client API integrations to ensure all systems function correctly and meet customer and Client requirements.

What we expect from you:  

Experience:

• 2+ years of experience in API onboarding, technical support, or a similar customer-facing technical role.
• Proven experience as an API onboarding consultant, technical support engineer, or similar role.
• Prior experience working in customer-facing roles, preferably in a tech environment.

Technical Skills:

• Strong knowledge and experience working with RESTful APIs, including API design, integration, and troubleshooting.
• Familiarity with API protocols and standards such as HTTP, JSON, OAuth, and SOAP.
• Experience with API documentation tools like Swagger, Insomnia, or similar platforms.

Soft Skills:

• Strong communication and interpersonal skills, with the ability to explain complex technical concepts to non-technical audiences.
• Excellent problem-solving skills, attention to detail, and a proactive approach to issue resolution.
• Ability to manage multiple projects and customers simultaneously in a fast-paced environment.

Language Proficiency:

• Fluent in English/German, English/French, and English/Italian, both written and spoken, with the ability to communicate technical concepts in each language.

What will the recruitment process look like:  

• Your CV will be verified by Hays Recruiter 
• Technical conversation with the client – 1 online meeting:
• Welcome to the project!

Hays Poland sp. z o.o. is an employment agency registered in a registry kept by Marshal of the Mazowieckie Voivodeship under the number 361.