Our client is a leading supplier of software products in the field of eCustoms internationally.
The company supplies software products and IT services to European Union Institutions and Agencies, international organisations and national government administrations.
The company employs over **** engineers, IT experts and consultants (around 3% PhD, 41% MSc and 54% BSc or equivalent). The group's staff is multilingual and multinational with in-depth experience in the delivery of services to the government sector worldwide.
Currently we are looking for a
Senior Java Engineer
to join the team as a long-term Contractor (B2B) / Freelancer.
Tasks
Craft Cutting-Edge Applications:
Develop powerful, efficient back-end web applications that drive our business forward.
Architect & Build:
Design and implement core business logic, creating high-performance servers and databases.
Enhance Security & Performance:
Ensure our systems are secure, reliable, and optimized across multiple platforms.
API Development:
Design and develop APIs that enable seamless communication between systems.
Collaborate on Scalable Solutions:
Work alongside other developers to create scalable software solutions.
Lead Projects:
Take charge of key projects, guiding them from concept to completion.
Maintain & Improve Code Quality:
Keep our codebase organized and pristine while fixing bugs and enhancing functionality.
Troubleshoot & Optimize:
Analyze data, processes, and code to identify areas for improvement and troubleshoot issues.
Write Documentation:
Contribute to creating clear technical documentation for current and future reference.
Requirements




A university degree in IT
Expertise in IT:
min
9 years of professional experience
in development.
Proven Back-End Skills:
Mastery of back-end languages and frameworks, including
Java 8+
,
Spring
,
Spring Boot
,
Java EE
, and
Hibernate
.
Database Proficiency:
Solid experience with
Oracle Service Bus
,
Oracle DB
, and RDBMS database technology.
Integration Experience:
Deep understanding of
OpenID Connect
,
SSO
, and integration techniques.
Cloud Enthusiast:
Hands-on experience with
Amazon Web Services (AWS)
for cloud development.
Message Queues & APIs:
Expertise in
Kafka
,
ActiveMQ
,
JMS
, and working with
REST
&
SOAP APIs
.
Blockchain Knowledge:
Familiarity with
blockchain technologies
is a big plus!
Identity & Access Management:
Experience with tools like
Secunda
and
IOP IAM
.
Domain Expertise:
Advanced knowledge of
Procurement
and
Grant Management
business domains.
Server & Web Configuration:
Strong understanding of
Oracle WebLogic Server
,
Apache
,
SSL/TLS
, and reverse proxy configuration.
CI/CD & DevOps:
Practical experience with
CI/CD pipelines
and tools like
Bamboo
and
Docker
.
Version Control:
Knowledge of
Git
for code versioning.
Bonus Skills:
Experience with
NoSQL databases
,
Angular
,
TypeScript
, and front-end technologies is a plus.
Language Proficiency:
Fluent in English, with proficiency in
French
being a great advantage.
Benefits
Excellent remuneration
Fully remote
Long-term possible
#J-*****-Ljbffr

📌 Senior Java Engineer - Remote, Within Eu (Buenos Aires)
🏢 IESF
📍 Buenos Aires