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Urgent! Senior Software Engineer (Java) Job Opening In Madrid – Now Hiring ADEREN

Senior Software Engineer (Java)



Job description

Job Description

SEEKING:  Senior Software Engineer (Java)

 

We are looking for a Senior Java Developer with strong experience in designing, developing, and maintaining robust enterprise-level applications.

The ideal candidate will lead technical initiatives, collaborate with cross-functional teams, and ensure high-quality, scalable solutions.

 


 

TASKS & RESPONSABILITIES

 

● Design, develop, and maintain high-performance and scalable Java applications
● Participate in technical requirements analysis and solution design
● Mentor and support junior and mid-level developers
● Write clean, efficient, and well-documented code following best practices
● Conduct code reviews and enforce coding standards
● Collaborate in release planning and effort estimations
● Identify performance bottlenecks and implement effective solutions
● Integrate with other systems and technologies via Rest APIS, Message/Events Queues and Files Exchange.

 

EXPERIENCE, KNOWLEDGE & SKILLS :

● 5+ years of hands-on experience in Java development.
● Strong knowledge of Java EE frameworks (e.g., Spring Boot, Hibernate, JPA).
● Experience with relational databases (MySQL, PostgreSQL, Oracle) and NoSQL databases (ElasticSearch, MongoDB).
● Solid understanding of RESTful architecture and API design principles.
● Strong understanding of asynchronous programming and messaging systems (RabbitMQ, Kafka, JMS, MQ-Series, etc)
● Proficiency with version control systems (Git).
● Familiarity with Agile methodologies (Scrum, Kanban).
● Strong teamwork and communication skills

 

Nice to Have:

● Experience with microservices architecture
● DevOps knowledge (Concourse, Kubernetes EKS).
● Experience with cloud platforms (AWS).
● Familiarity with monitoring tools or logging (ELK, Dynatrace, etc.)
● Awareness of security best practices in software development
● Understanding of financial services concepts and ISO-20022

 

 

 

LANGUAGE :

Fluent in Spanish and English- (minimum B2 level )

 

 


WE OFFER: 

·         Full-time Freelance contract

·         Rate: €220/€230 per day + VAT (according to the experience provided)

·         Long-Term Project

·         Location: Madrid (Boadilla del Monte) – Hybrid: on site 2/3 days per week

·         Desired start date: ASAP




Requirements
Java, Spring, English


Required Skill Profession

Computer Occupations



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