Developer-Full Stack Senior

Developer-Full Stack Senior

Location: McLean, Virginia (On-site)

Employment Type: Contract to Hire

Role Overview

This position is for a Senior Software Developer within an Investments & Capital Markets division. The role involves contributing to an enterprise forecasting platform that supports long-term financial projections, strategic planning, and decision-making. The developer will enhance core features of forecasting engines to improve model accuracy and performance, support critical production runs for financial reporting, and collaborate with stakeholders to implement new forecasting capabilities.

Key Responsibilities

• Refactor and modernize 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 and runtime efficiency.
• Support critical quarterly production runs for financial reporting by monitoring execution and troubleshooting issues.
• Diagnose and resolve defects, reduce technical debt, and ensure alignment with software engineering best practices.
• Write clean, high-quality code supported by automated unit and integration tests.
• Coordinate with team members across the data, services, APIs, and infrastructure stack.
• Partner with stakeholders to implement new forecasting capabilities and meet business and regulatory requirements.
• Assist with infrastructure upgrades, platform migrations, and adoption of new technologies.
• Contribute to design discussions, code reviews, and documentation.

Required Qualifications

Experience: At least 5 years of hands-on software development experience. 2-3 years of experience using Git for source control and 2-3 years with unit testing frameworks. 2-3 years of experience with SQL and relational database development. 1-2 years of experience with containerization and orchestration technologies like Docker, Podman, or Kubernetes.

Technical Skills: Proficiency with a modern programming language such as Python or Java. Proficiency with shell scripting for automation and operational support. Familiarity with Agile development processes.

Other Qualifications: An understanding of fixed income concepts, including duration, convexity, and option-adjusted spread (OAS). Strong critical thinking and problem-solving skills.

Preferred Qualifications

• A graduate degree in a quantitative discipline such as Computer Science, Mathematics, or Statistics.
• Certifications such as CFA, FRM, or CPA, or significant progress toward them.
• A strong understanding of GAAP accounting fundamentals.
• Experience with product and project management tools like JIRA.
• Experience engaging with stakeholders to gather requirements and align on priorities.

Compensation & Benefits

The anticipated pay range for this position is between $70.00 and $80.00 per hour. Please note that the final pay rate will be determined based on a variety of factors, including the candidate's experience, qualifications, and location.

We are an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. We will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law.

Apex uses a virtual recruiter as part of the application process. Click here for more details.

If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Employee Services Department at [email protected] or View phone number on click.appcast.io.

Everforth Apex is a world-class IT services company that serves thousands of clients across the globe. When you join Everforth Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRateds Best of Staffing® in Talent Satisfaction in the United States and Great Place to Work® in the United Kingdom and Mexico.

Everforth Apex uses a virtual recruiter as part of the application process. Click here for more details. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Everforth Apex and its affiliates, and contracted partners. Frequency varies for text messages. Message and data rates may apply. Carriers are not liable for delayed or undelivered messages. You can reply STOP to cancel and HELP for help. You can access our privacy policy at

Everforth Apex Benefits Overview: Everforth Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Everforth Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Everforth Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Everforth Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our 'Welcome Packet' as well, which an Everforth Apex team member can provide.

Everforth Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Everforth Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law.

If you require an accommodation under the Americans with Disabilities Act to participate in an interview with a virtual recruiter or to use our website for a search or application, please contact our Benefits Department at [email protected] or View phone number on click.appcast.io. Please note that this contact information is strictly to be used for medical ADA accommodations and that no other inquiries will be answered.

UnitedHealthcare creates and publishes the Transparency in Coverage Machine-Readable Files on behalf of Everforth Apex Systems.


Everforth Apex is a world-class IT services company that serves thousands of clients across the globe. When you join Everforth Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRated's Best of Staffing® in Talent Satisfaction in the United States and Great Place to Work® in the United Kingdom and Mexico. Everforth Apex uses a virtual recruiter as part of the application process. Click here for more details.


Everforth Apex Benefits Overview: Everforth Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Everforth Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Everforth Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Everforth Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our 'Welcome Packet' as well, which an Everforth Apex team member can provide.