Senior Java Engineer - remote, within EU
IESF AGBuenos Aires, Autonomous City of Buenos Aires, Argentina
Posted August 29, 2025
Contract / Temporary
About the Company
IESF AG, a member of the IESF Group International, operates as a premier executive search firm headquartered in Zurich, Switzerland, with affiliates in Germany and Bulgaria. Leveraging its membership in a top 25 global executive search network, the company specializes in talent acquisition and executive recruitment across diverse sectors including Life Sciences, Finance, Medical Devices, FMCG, IT, Manufacturing, Chemicals, Luxury Goods, Retail, Logistics, and Call Center Services. In addition to placement services, IESF AG provides strategic management consulting and market expansion support to help clients grow internationally. Its distinctive value lies in combining a deep global network with localized expertise and comprehensive advisory offerings to deliver tailored, high-impact solutions for senior leadership needs.
Job Description
Senior Java Engineer position at a leading supplier of software products in the field of eCustoms internationally, with a focus on developing back-end web applications, architecting and implementing core business logic, and ensuring system security and performance. The company is a global leader in the government sector, employing over 1100 engineers and IT experts. The role is a long-term Contractor / Freelancer position, and the candidate will be required to work remotely within the EU.
Requirements
- University degree in IT
- Expertise in IT with min 9 years of professional experience
- Proven back-end skills in Java 8+, Spring, Spring Boot, Java EE, and Hibernate
- Database proficiency in Oracle Service Bus, Oracle DB, and RDBMS database technology
- Integration experience with OpenID Connect, SSO, and integration techniques
- Cloud enthusiasm with Amazon Web Services (AWS)
- Message queues and API expertise with Kafka, ActiveMQ, JMS, and REST & SOAP APIs
- Blockchain knowledge is a big plus
- Identity and access management experience with tools like Secunda and IOP IAM
- Domain expertise in Procurement and Grant Management business domains
- Server and web configuration expertise with Oracle WebLogic Server, Apache, SSL/TLS, and reverse proxy configuration
- CI/CD and DevOps expertise with CI/CD pipelines and tools like Bamboo and Docker
- Version control knowledge with Git
Benefits
- Excellent remuneration
- Fully remote work option
- Long-term possible
