Sr. Full-Stack Developer (Java / React)

job summary: Fully onsite in McLean VA

location: Tysons, Virginia job type: Contract salary: $70 - 90 per hour work hours: 9am to 5pm education: Bachelors

responsibilities: Responsibilities Refactor and modernize existing components of the financial accounting and forecasting application to improve maintainability, performance, and scalability. Develop and enhance core forecasting engine features to improve model accuracy, runtime efficiency, and enterprise readiness. Support critical quarterly production runs for financial reporting by monitoring execution, troubleshooting issues, and ensuring integrity, accuracy, and timeliness of outputs. Diagnose and resolve defects, reduce technical debt, and drive continuous improvements to ensure alignment with software engineering best practices. Write clean, robust, high-quality code following best practices, supported by automated unit and integration tests with strong coverage. Coordinate with team members across different layers of the stack (data, services, APIs, and infrastructure) to deliver end-to-end solutions. Partner with FP&A and other stakeholders to implement new forecasting capabilities, enable scenario analysis, and meet evolving business and regulatory requirements. Assist with infrastructure upgrades, platform migrations, and adoption of new technologies to improve reliability, security, and operational efficiency. Contribute to design discussions, code reviews, and documentation; demonstrate a commitment to collaborative problem-solving, thoughtful design, and high-quality deliverable

qualifications: Qualifications

· 3+ years of hands-on software development experience using a modern programming

language (e.g., Java, Javascript, Python etc).

· 2+ years of experience using Git for source control in a team-based development

environment.

· 2+ years of experience using Java Spring and Springboot framework

· 2+ years of experience using Angular or React UI framework

· Familiar with unix shell scripting for automation, troubleshooting, and operational

support.

· Good oral and written communication skills

· Strong critical thinking, problem-solving skills, business acumen, and familiarity with

Agile development processes.

Preferred Skills

· Graduate degree in a quantitative discipline (e.g., Computer Science, Mathematics,

Statistics, or related field).

· Strong oral and written communication skills, with the ability to clearly articulate

technical and business concepts.

· Experience engaging with stakeholders to gather requirements, align on priorities, and

drive delivery.

· Exposure to product and project management tools (e.g., JIRA) to support planning,

tracking, and execution

Equal Opportunity Employer: Race, Color, Religion, Sex, Sexual Orientation, Gender Identity, National Origin, Age, Genetic Information, Disability, Protected Veteran Status, or any other legally protected group status.

At Randstad Digital, we welcome people of all abilities and want to ensure that our hiring and interview process meets the needs of all applicants. If you require a reasonable accommodation to make your application or interview experience a great one, please contact HRsupport@randstadusa.com.

Pay offered to a successful candidate will be based on several factors including the candidate's education, work experience, work location, specific job duties, certifications, etc. In addition, Randstad Digital offers a comprehensive benefits package, including: medical, prescription, dental, vision, AD&D, and life insurance offerings, short-term disability, and a 401K plan (all benefits are based on eligibility).

This posting is open for thirty (30) days.

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Responsibilities Refactor and modernize existing components of the financial accounting and forecasting application to improve maintainability, performance, and scalability. Develop and enhance core forecasting engine features to improve model accuracy, runtime efficiency, and enterprise readiness. Support critical quarterly production runs for financial reporting by monitoring execution, troubleshooting issues, and ensuring integrity, accuracy, and timeliness of outputs. Diagnose and resolve defects, reduce technical debt, and drive continuous improvements to ensure alignment with software engineering best practices. Write clean, robust, high-quality code following best practices, supported by automated unit and integration tests with strong coverage. Coordinate with team members across different layers of the stack (data, services, APIs, and infrastructure) to deliver end-to-end solutions. Partner with FP&A and other stakeholders to implement new forecasting capabilities, enable scenario analysis, and meet evolving business and regulatory requirements. Assist with infrastructure upgrades, platform migrations, and adoption of new technologies to improve reliability, security, and operational efficiency. Contribute to design discussions, code reviews, and documentation; demonstrate a commitment to collaborative problem-solving, thoughtful design, and high-quality deliverable

Qualifications · 3+ years of hands-on software development experience using a modern programming language (e.g., Java, Javascript, Python etc). · 2+ years of experience using Git for source control in a team-based development environment. · 2+ years of experience using Java Spring and Springboot framework · 2+ years of experience using Angular or React UI framework · Familiar with unix shell scripting for automation, troubleshooting, and operational support. · Good oral and written communication skills · Strong critical thinking, problem-solving skills, business acumen, and familiarity with Agile development processes. Preferred Skills · Graduate degree in a quantitative discipline (e.g., Computer Science, Mathematics, Statistics, or related field). · Strong oral and written communication skills, with the ability to clearly articulate technical and business concepts. · Experience engaging with stakeholders to gather requirements, align on priorities, and drive delivery. · Exposure to product and project management tools (e.g., JIRA) to support planning, tracking, and execution