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Aon · Krakow, Poland

# ATS Integration Consultant

Krakow, Poland Full-time Consulting 

Listed on Aon’s official careers site. Posted November 4, 2026. Check that it is still open and apply there.
[Apply on Aon’s careers site →](https://poland-careers-aon.icims.com/jobs/110718/login)

[OpenNash Jobs](https://jobs.opennash.com/) / [Aon](https://jobs.opennash.com/companies/aon/) / ATS Integration Consultant

## Job description

ATS Integration Consultant Do you enjoy solving complex integration challenges and working directly alongside customers to bring technical solutions to life? Are you experienced in working with RESTful web services and interested in connecting HR technology platforms and systems? Join Aon and help our enterprise clients optimally integrate their technology using the assessment tools available through Aon form! Aon is in the business of better decisions At Aon, we shape decisions for the better to protect and enrich the lives of people around the world.

As an organization, we are united through trust as one inclusive team, and we are passionate about helping our colleagues and clients succeed. What the day will look like As a Consultant for ATS Integration, you will be responsible for client onboarding initiatives from initial requirements through implementation, testing and debut. You will interact directly with customers to understand their ATS environment and workflows and translate their requirements into effective technical integrations.

Your day-to-day responsibilities will include: Crafting and implementing integrations between the Aon Assessment Platform and customer ATS systems using web services described by OpenAPI specifications, RESTful endpoints, webhooks, JSON, XML and SFTP-based data exchange. Working directly with customer HR technology and IT teams to understand ATS configurations, authentication requirements, candidate workflows and data exchange needs.

Handling integrations beginning with collecting requirements and continuing through configuration, testing, and launch, including troubleshooting API errors, data mapping issues, and workflow exceptions. Crafting clear integration specifications and data mapping documentation and supporting customers throughout testing and implementation. Prioritising multiple customer integration projects while working closely with Engineering, Solution Architects, Technical Support and QA teams.

Maintaining integration documentation and helping identify recurring issues and opportunities to improve customer implementations. How this opportunity is different This role gives you the opportunity to combine technical integration work with direct customer engagement. You will work with different ATS environments and customer workflows, solving technical integration challenges while guiding customers through implementation.

You will have ownership of integrations from initial discovery through launch and work closely with both customer teams and Aon's technical specialists. It is a superb opportunity for someone who enjoys working with APIs and data, solving integration problems and building positive relationships with customers throughout the implementation process. Skills and experience that will lead to success proven track record in technical integration, solutions engineering or implementation consulting, ideally within HR technology, SaaS or enterprise software.

Strong hands-on experience with REST APIs, OpenAPI, JSON/XML and OAuth 2.0, including troubleshooting integration failures and working with API responses and payloads. Experience delivering customer-facing integration projects end-to-end, from requirements gathering and configuration through testing and launch. Experience with at least one major ATS platform such as Workday, SAP SuccessFactors, Oracle Taleo, Greenhouse, iCIMS or SmartRecruiters, combined with an understanding of data mapping, transformation and validation.

Good communication and interpersonal skills, with the ability to explain technical requirements clearly and prioritise multiple customer projects at various stages. Experience with Azure, Azure DevOps, SFTP integrations, SQL, OpenAPI specifications, assessment or talent technology platforms, and AI tools used for user documentation and troubleshooting would be an advantage. #LI-KK2 #LI-Hybrid #technologyandsecurity 2585435

## At a glance
- Posted by the employer: Nov 4, 2026
- First seen by OpenNash: Nov 8, 2026
- Last checked: Nov 8, 2026
- Listed for: 4 days
- Location: Krakow, Poland
- Employment type: Full-time[Apply on Aon’s careers site →](https://poland-careers-aon.icims.com/jobs/110718/login)

## Hiring at Aon
- Open jobs: 1,100
- New in the last 7 days: 147
- Tracked since: Jul 16, 2026

[All Aon jobs](https://jobs.opennash.com/companies/aon/) · [Weekly hiring report](/reports/hiring/)

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