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Job Overview
We are looking for a Senior Java Developer with excellent knowledge of the Microsoft Graph API (Mail, Calendar, Contacts) for a long‑term project. You will modernise an existing enterprise application by replacing a legacy Lotus Notes integration with Outlook/Graph and contribute to the development of a new end‑to‑end insurance platform.
Job Location
Vienna: at the beginning a high on‑site presence, then approximately 50% in the office (hybrid setup).
Type of employment
Freelance
Responsibilities
* Maintain and further develop an existing enterprise application, including replacing the current Lotus Notes integration with an Outlook integration based on Microsoft Graph API (mail, calendar, contacts).
* Contribute to a large greenfield project for a new, comprehensive insurance solution (design and implementation).
* Create and implement technical concepts and decision templates in close collaboration with business and IT stakeholders.
* Implement features and change requests in Java (including unit tests) and ensure code quality and maintainability.
* Document solutions, interfaces and technical decisions.
* Take over maintenance and 3rd‑level support tasks for existing applications.
* Work closely with a German‑speaking project team and actively participate in workshops and technical discussions.
Requirements
* Very strong experience with Microsoft Graph API (Mail, Calendar, Contacts)
* Excellent Java knowledge, ideally including Java Servlet, JSF, Seam
* Solid experience with REST APIs
* Strong experience with OData queries (Open Data Protocol) and JSON
* Practical experience with Eclipse and Git
* Nice to have experience with Lotus/HCL Notes Domino API, experience in the insurance industry or other highly regulated sectors
Benefits
* Membership in APM.Digital club – become APM Expert
* Beer box for each APM Expert
* 100% work from home
* Flexible working hours
* Tax and social counseling for freelancers
* Work with the most modern tools on the market in all areas
Education
* University I, II or III degree in IT
* German: B2+ (main project language)
Experience
Minimum 5+ years of experience.
About APM Digital
APM Digital is an independent IT project consultancy and outsourcing provider. Based in Slovakia, we have a strong footprint in CEE and DACH region and have expanded to Slovakia, Czech Republic, Poland, Hungary, India, and the United Arab Emirates. Founded in 2016, our mission is to guide clients during digital transformation and help them stay prepared for rapidly changing markets. We deliver services with agility, transparency, and a focus on top priorities, and we bring innovative solutions to complex business problems.
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