Senior Java Developer

santander; España; On-site; EUR 156,000 - 196,000; Full time

Job summary

Santander is seeking a Senior Java Developer to join our enterprise software team in the United States. You will be a hands-on technical contributor responsible for design, development, troubleshooting and maintenance of high-availability applications.

You will lead architectural discussions, mentor junior developers, and drive performance, scalability and quality through modern practices such as TDD, CI/CD and microservices. Strong communication and problem-solving are essential.

Qualifications

• 9+ years hands-on Java development experience.
• Experience with Spring Boot, Spring JPA, and REST APIs.
• Strong knowledge of microservices, CI/CD pipelines, and cloud concepts.
• Proven ability to design, troubleshoot and optimize large-scale systems.
• Excellent written and verbal communication skills.

Responsibilities

• Act as a senior hands-on developer across multiple complex application initiatives.
• Lead technical analysis, design, development, and maintenance of complex software applications and components.
• Provide advanced expertise in troubleshooting complex applications, system, and performance issues.
• Design, implement, and support system enhancements, refactoring, and modernization efforts.
• Research, evaluate, and implement solutions for performance monitoring, tuning, scalability, and system configuration.
• Drive the development and maintenance of automated test suites and quality assurance practices.
• Contribute significantly to technical design and architectural decisions for complex projects.
• Accurately estimate effort, identify technical risks, and help plan delivery milestones.
• Mentor and provide technical guidance to associate and mid-level developers.
• Partner closely with architects, product owners, and business stakeholders to achieve key objectives.

Skills

Java expert

Distributed systems

CI/CD (Jenkins)

SQL

Secure coding

Problem-solving

Communication

Education

Bachelor's degree in CS/Related field

Tools

Spring Boot

Spring Data JPA

REST APIs

Microservices

Cloud platforms

Job description

Senior Java Developer

Country: United States of America

It Starts With You:

Santander is a global leader and innovator in the financial services industry and is evolving from a high-impact brand into a technology-driven organization. Our people are at the heart of this journey and together, we are driving a customer-centric transformation that values bold thinking, innovation, and the courage to challenge what's possible. This is more than a strategic shift. It's a chance for driven professionals to grow, learn, and make a real difference.

The Difference You Make:

The Senior Java Developer serves as a highly experienced, hands-on technical contributor supporting multiple complex application initiatives. This role plays a critical part in the analysis, design, development, troubleshooting, and maintenance of enterprise software solutions that support key business units. The Senior Developer operates with a high degree of autonomy, provides deep technical expertise across systems and components, and contributes to architectural decisions and delivery strategy. The role requires strong problem-solving skills, accurate workload estimation, and the ability to clearly communicate and drive solutions for complex technical challenges.

• Act as a senior hands-on developer across multiple complex application initiatives.
• Lead technical analysis, design, development, and maintenance of complex software applications and components.
• Provide advanced expertise in troubleshooting complex applications, system, and performance issues.
• Design, implement, and support system enhancements, refactoring, and modernization efforts.
• Research, evaluate, and implement solutions for performance monitoring, tuning, scalability, and system configuration.
• Drive the development and maintenance of automated test suites and quality assurance practices.
• Contribute significantly to technical design and architectural decisions for complex projects.
• Accurately estimate effort, identify technical risks, and help plan delivery milestones.
• Mentor and provide technical guidance to associate and mid-level developers.
• Partner closely with architects, product owners, and business stakeholders to achieve key objectives.
• Promote engineering best practices, code quality, and continuous improvement within the team.

What You Bring:

To perform this role successfully, the individual must be able to perform each essential duty satisfactorily. The requirements below represent the knowledge, skills, and abilities required. Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions.

Education:

Bachelor's degree in computer science , Software Engineering, or a related field, or equivalent work experience - Required.

Qualifications:

• 9+ years of hands-on application development experience, with strong expertise in Java in a distributed system. - Required.
• Advanced proficiency in Java.
• Experience Developing Backend /Front End.
• Proven expertise in modern software paradigms, including:
• Spring Boot, Spring JPA and Rest API's
• Service-oriented and microservices architectures.
• Cloud computing concepts
• Test-driven development (TDD)
• Domain-driven design (DDD)
• Strong understanding of CI/CD pipelines using Jenkins.
• Strong SQL and relational database skills.
• Secure coding methodologies protecting against cyberthreats and prevents vulnerabilities.
• Demonstrated ability to design and troubleshoot large-scale, high-availability systems.
• Strong analytical, critical thinking, and problem-solving skills.
• Excellent written and verbal communication skills.
• Ability to manage multiple initiatives and context switch effectively.
• Ability to continuously evaluate existing systems and drive improvements.
• Use of AI tools.
• Commitment to maintaining industry knowledge, standards, and best practices.
• Curiosity and aptitude for adopting new technologies and collaborating to deliver custom solutions.
• Experience with performance-critical, scalable systems is highly desirable.

Certifications:

No Certifications listed for this job.

It Would Be Nice For You To Have:

• Established work history or equivalent demonstrated through a combination of work experience, training, military service, or education.
• Experience in Microsoft Office products.

Work Authorization & Sponsorship:

Applicants must be legally authorized to work in the United States on a full-time basis without requiring employer sponsorship to commence employment.

What Else You Need To Know:

The base pay range for this position is posted below and represents the annualized salary range. For hourly positions (non-exempt), the annual range is based on a 40-hour work week. The exact compensation may vary based on skills, experience, training, licensure and certifications and location.

Base Pay Range:

Minimum:
$175,000.00 USD

Maximum:
$220,000.00 USD

We Value Your Impact:

Your contribution matters