Full Stack Developer

System One
Merrifield, VA

Full Stack Developer
Location: Vienna VA - Hybrid - 1-2 days on site


Pay Rate: Open to Both C2C and W2 options

Position Type: Multiyear Contract



Basic Purpose
To support software development organizational initiatives by designing and implementing new or modifying existing systems/applications.



Responsibilities
1. Identifies, analyzes, designs, and maintains cost-effective information technology solutions that align with business initiatives and corporate strategies.
o Works with customers (business units) to identify business requirements (e.g., needs, objectives, functions, features, input, and output
o Analyzes, defines, and documents requirements for data, workflow, logical processes, hardware, and operating systems environment, interfaces with other systems, internal and external controls, and output.
o Documents, diagrams, organizes, information for inclusion in database, developing input/output record layouts, or program views.
2. Designs, develops, implements, and maintains systems with support from other ISD areas, team members, and management.
o Codes programs, prepares test data, tests, and debugs programs.
o Revises and refines programs to account for changes in functional system requirements and equipment configurations.
o Troubleshoots and resolves operational problems/system requirements Participates in testing and implementation of systems/applications.
3. Provides on-going maintenance of systems/applications.
o Maintains and monitors systems/applications after implementation.
o Develops and maintains documentation describing program development, logic, coding, testing, changes, and corrections.
o Provides technical support to customers.
o Participates in training of peers and SQA staff in new or modified systems/applications.



Additional Responsibilities
• Works independently with moderate guidance from higher level staff or management.
• Assists in determining system requirements.
• Applies specific functional knowledge to analyze and resolve moderately complex problems.
• Designs, codes, debugs, and maintains moderately complex computer programs.
• Works on most phases of applications programming activities
• Researches, identifies, and solves straightforward to moderately complex problems.
• Analyzes possible solutions using established procedures.
• Collaborate with software developers and SQA analysts.
• Investigate defects and bugs as they arise.
• Designs and develops test automation scripts using test automation frameworks.
Qualifications and Education Requirements Target
• Demonstrated experience in systems analysis & design, workflow, or procedural analysis.
• Demonstrated experience in application development, including determining, developing, testing, and implementing system requirements and specifications.
• Demonstrated ability to prioritize, plan, and organize tasks.
• Experience using established testing techniques.
• Demonstrated project leadership experience.
• Effective research, analytical, and problem-solving skills
• Effective interpersonal, verbal, and written communication skills
• Ability to work independently, exercise initiative, and use good judgment.
• Ability to work independently and as part of a team



Specific to this position
• A minimum of 5 -10 years distributed application programming experience in one or more of the following technologies: Java, J2EE, service-oriented architecture(SOA), middleware, integration technologies, and frameworks like JSP, JSTL, JMS, JNDI, JDBC, JAXB, Struts, Hibernate, Maven, log4j and JUnit.
• Solid understanding of Java Web Services WSDL, SOAP, XML, RESTful, Web Services Development Kit.
• Relational database, preferably DB2, SQL Server, or Oracle.
• Knowledge of Mainframe systems
• Experience with Data Migration and Mapping to Cloud solutions
• Experience with SFTP and Data File Transfers
• Experience with Automated testing frameworks



Desired
• College degree(s) in information technology, computer science or related field or equivalent experience
• Experience with DevOps and Continuous Integration / Continuous Delivery (CI/CD) practices
• Advanced knowledge of financial/banking industry standards, open banking standards, regulations, and practices specifically supporting real-time, near real-time, and batch payment rails
• Advanced knowledge of the organization's products, services, programs, policies, and procedures
• Advanced knowledge and experience working with or implementing Compliance applications.
• Experience in cloud development
• Knowledge of scrum or Scaled Agile Framework (SAFe)
• Familiarity with financial industry applications and systems.
• Expert experience/knowledge of software development best practices in accordance with the ITIL® or CMMI® capability models.



Plus, Skills
• IT Industry Certifications in good standing
• Knowledge of PowerBI
• Knowledge of the organization's operations, processes, and procedures
• Knowledge of Office of Foreign Assets Control (OFAC), Bank Secrecy Act (BSA) and Anti-Money Laundering (AML) systems
• Knowledge of Investments Portfolio
• Knowledge of IBM Integration Bus (IIB) or App Connect Enterprise (ACE)
• Knowledge of Microsoft Dynamics and/or Pega
• Knowledge of ServiceNow, and Azure DevOps (ADO)



Unusual Working Conditions
• May be required to work occasionally outside normal working hours.
• May be on call 24/7 to provide technical support.







#LI-KA1
#M1

Ref: #851-Rockville-S1

Posted 2026-08-17

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