Senior Specialist, Application Development

Santander

. Develop and maintain software applications .

Posted 10/21/2026full-timeRemote • Wisconsin • United StatesSenior💰 $76,875 - $130,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in .NET Core, C#, PowerShell, SQL, and API development while effectively managing software applications and providing technical support. Capable of analyzing user stories, troubleshooting incidents, and producing technical documentation for diverse audiences.

Highest-signal resume keywords

Bachelor's Degree in Related Field3+ Years of .NET Core Experience3+ Years of C# Programming3+ Years of Technical Documentation Experience3+ Years of Customer Support for IT Systems

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

.NET CoreC#PowerShellSQLAPI DevelopmentTechnical DocumentationSoftware Application MaintenanceTroubleshootingAutomationScrum Methodology

Soft Skills

Analytical SkillsProblem-Solving SkillsBasic Communication SkillsDetail OrientedAbility to Work Independently

Tools & Technologies

JiraVMware Virtualization

Industry Keywords

Information TechnologyTechnical Application DevelopmentFinancial Services Business EnvironmentTechnology Project Lifecycle

Tech Stack

Tools & technologies

SQLVMware.NET

About the role

Key responsibilities & impact

Develop and maintain software applications
Develop programs in required languages to meet project schedules
Maintain and support existing software applications
Identify and resolve basic application issues and bugs; escalate complex issues to management
Respond to inquiries and refer issues to appropriate departments or personnel
Recommend enhancements to existing software and applications
Configure and administer systems or applications
Ensure changes are methodologically planned, executed, and verified
Help maintain the quality, organization, and automation of software applications
Interact with business areas, systems analysts, and business analysts for input and decision-making support
Provide guidance and training to less experienced IT Specialists
Analyze user stories and translate them into technical solutions
Assist with diverse departmental special projects and tasks
Prepare routine and special reports
Escalate work issues to the Team Lead or Manager
Troubleshoot incidents reported by business units or end users
Participate in technology solution implementations, upgrades, enhancements, and conversions

Requirements

What you’ll need

Bachelor’s Degree in a related field or equivalent demonstrated through a combination of work experience, training, military service, or education — Required
3+ years of Information Technology, Technical Application Development, or similar experience — Required
3+ years of .NET Core, C#, PowerShell, SQL, VB, API and Vendor APIs, Jira, VMware Virtualization, and Scrum Methodology experience — Preferred
3+ years of experience providing customer support for IT systems or applications — Preferred
3+ years of experience writing technical documentation for technical and nontechnical audiences — Preferred
Analytical and problem-solving skills
Basic communication skills
Ability to work independently and collaboratively
Ability to work effectively in a fast-paced environment
Ability to learn new technologies
Ability to produce accurate, quality work and be detail oriented
Ability to program in the required language
General understanding of the technology project lifecycle
General understanding of the financial services business environment
Broad theoretical job knowledge typically obtained through advanced education
Basic knowledge of development tools
Basic knowledge of programming languages and methodologies
Technical writing and documentation experience
Ability to communicate technical concepts to non-technical personnel
Legally authorized to work in the United States on a full-time basis without requiring employer sponsorship to commence employment

Benefits

Comp & perks

Fair and competitive rewards package
Benefits designed to support employees, their families, and well-being
Inclusive and accessible application process
Reasonable accommodations for individuals with disabilities