Senior Java Developer (AI/ML integration)

Nagarro; Spain (TX); Hybrid; USD 104,000 - 139,000; Full time

Job summary

Nagarro is a digital product engineering company seeking a senior Java AI/ML engineer to join our growth in Europe. You will design and build enterprise applications using Java technologies and integrate AI components into existing business processes.

Collaborate with cross-functional teams on digital transformation initiatives for public sector clients, ensuring scalability, security, and high performance across systems. Native Spanish, fluent English are valued for global projects.

Qualifications

• Bachelor's or equivalent in Computer Engineering, Telecommunications, or related field.
• Master's in AI/Intelligent Systems/ML/Data Science or EQF Level 7.
• Minimum of 5 years in software development using Java technologies.
• Proven AI design, development, and implementation experience with LLM and generative AI.
• Experience on public sector/government projects.
• Experience in digital transformation / enterprise app development / modernization.

Responsibilities

• Design and develop enterprise applications using Java technologies.
• Design, train, test, and deploy AI and ML solutions.
• Integrate AI capabilities into existing business applications and processes.
• Develop and maintain APIs and integration services.
• Participate in technical analysis, software architecture design, and code reviews.
• Contribute to digital transformation initiatives within public sector organizations.
• Ensure the quality, performance, scalability, and security of developed solutions.

Skills

Java technologies

Spring Framework / Spring Boot

RESTful APIs

SOAP web services

JPA / Hibernate

Maven

Git

Relational databases (Oracle / Postgre

SQL & query optimization

AI/LLM integration

Generative AI

RPA / Agentic systems

Spanish (Native)

English (Conversational)

Education

Bachelor's Degree in Computer Engineering / related field

Master's Degree in AI / ML / Data Science or EQF Level 7

Tools

JPA / Hibernate

Maven

Git

REST / SOAP tooling

Job description

• Full-time

Company Description

We're Nagarro. We are a digital product engineering company that is scaling in a big way! We build products, services, and experiences that inspire, excite, and delight. We work at scale — across all devices and digital mediums, and our people exist everywhere in the world (18 000+ experts across 39 countries, to be exact). Our work culture is dynamic and non-hierarchical. We're looking for great new colleagues. That's where you come in! By this point in your career, it is not just about the tech you know or how well you can code. It is about what more you want to do with that knowledge. Can you help your teammates proceed in the right direction? Can you tackle the challenges our clients face while always looking to take our solutions one step further to succeed at an even higher level? Yes? You may be ready to join us.

Job Description

Responsibilities

• Design and develop enterprise applications using Java technologies.
• Design, train, test, and deploy AI and ML solutions.
• Integrate AI capabilities into existing business applications and processes.
• Develop and maintain APIs and integration services.
• Participate in technical analysis, software architecture design, and code reviews.
• Contribute to digital transformation initiatives within public sector organizations.
• Ensure the quality, performance, scalability, and security of developed solutions.

Qualifications

Academic Qualifications

• Bachelor's Degree or equivalent university degree in Computer Engineering, Telecommunications Engineering, or a related field.
• Master's Degree in Artificial Intelligence, Intelligent Systems, Machine Learning, Data Science, or an equivalent qualification at EQF Level 7 / MECES Level 3.

Professional Experience

• Minimum of 5 years of experience in software development using Java technologies.
• Proven experience in the design, development, and implementation of Artificial Intelligence with LLM and generative AI.
• Experience working on projects for Public Sector organizations and government administrations.
• Experience in digital transformation initiatives, enterprise application development, or technology modernization projects.

Technical Skills

• Agentic system development
• Robot Process Automation
• Java 8, 11, or higher.
• Spring Framework and Spring Boot.
• Development of RESTful APIs and SOAP web services.
• JPA, Hibernate, and persistence frameworks.
• Maven and Git.
• Relational databases, including Oracle and/or PostgreSQL.
• Advanced SQL and query optimization.

Artificial Intelligence and Machine Learning

• Integration of AI components into Enterprise applications.
• Experience deploying and operating AI-powered solutions in production environments.

Language requirements

• Native in Spanish.
• Conversational in English.