Senior Java Developer (ION)

Santander

1d•$175,000 - $220,000

About The Position

The Senior Java Developer (ION) is a highly experienced, hands-on technical contributor supporting multiple complex application initiatives. The role analyzes, designs, develops, troubleshoots, and maintains enterprise software solutions for key business units, working with a high degree of autonomy and providing deep technical expertise across systems and components. The developer contributes to architectural decisions and delivery strategy, estimates workloads, and communicates and drives solutions to complex technical challenges. The position partners with architects, product owners, and business stakeholders, mentors associate and mid-level developers, and promotes engineering best practices, code quality, and continuous improvement. Santander describes itself as a global financial services leader evolving into a technology-driven organization focused on customer-centric transformation, innovation, and new possibilities.

Requirements

Bachelor’s degree in a related field, or equivalent demonstrated through a combination of work experience, training, military service, or education.
At least 9 years of hands-on application development experience, with strong Java expertise in a distributed system.
Advanced proficiency in Java.
Knowledge of modern software paradigms, including Spring Boot, Spring JPA, REST APIs, service-oriented and microservices architectures, cloud computing concepts, test-driven development (TDD), and domain-driven design (DDD).
Strong understanding of CI/CD pipelines using Jenkins.
Strong SQL and relational database skills.
Knowledge of secure coding methodologies to protect against cyberthreats and prevent vulnerabilities.
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 switch context 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.
Legally authorized to work in the United States on a full-time basis without employer sponsorship to commence employment.

Nice To Haves

Experience developing backend applications.
Fixed Income experience.
ION experience.
Experience in financial services.
Experience with performance-critical, scalable systems.
Established work history or equivalent demonstrated through work experience, training, military service, or education.

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.
Troubleshoot complex application, system, and performance issues using advanced technical expertise.
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 to technical design and architectural decisions for complex projects.
Estimate effort, identify technical risks, and help plan delivery milestones.
Mentor and provide technical guidance to associate and mid-level developers.
Partner with architects, product owners, and business stakeholders to achieve key objectives.
Promote engineering best practices, code quality, and continuous improvement within the team.
Continuously evaluate existing systems and drive improvements.