Developer-Full Stack Senior

Job#: 3036725 Job Description: We are hiring a Developer-Full Stack Senior! Role: Developer-Full Stack Senior Supporting: Large Financial Services Client Location: McLean, VA (Onsite) Assignment Type: Contract Only Duration: ~6 Months Role Overview We are seeking an experienced Full Stack Developer to join our team. The position requires strong knowledge of model coding using Python to build financial forecasting models. The ideal candidate will be adaptable, onboard quickly, and play a key role in analyzing and converting complex queries to support large-scale data migrations and ensure seamless data integration. Key Responsibilities • Work closely with internal teams to support technology delivery activities for a Data Transformation Program. • Analyze and convert complex SQL queries to align with new data sources. • Update and build applications to source securitization data from data warehouses. • Support and execute data migration activities, ensuring data integrity and accuracy. • Utilize Snowflake for data warehousing, migration, and advanced analytics. • Work with financial data, particularly Snowflake-based data. Required Qualifications Education: A bachelor’s degree in computer science or a related field is required. Experience: • 5+ years of experience in software development using Python. • 5-10 years of IT experience in the design, development, integration, and testing of software solutions. • 5+ years of hands-on experience with SQL, including complex query analysis and optimization. • 3 years of experience integrating with Snowflake APIs for data extraction and manipulation. • 5-10 years of experience with relational databases such as Sybase, SQL Server, and MySQL, with knowledge of SQL and NoSQL. • Demonstrated ability to analyze and join large datasets across multiple sources. Technical Skills: • Strong experience with Python and popular frameworks like Django and FastAPI. • Experience with Python libraries such as Numpy, Scipy, Pandas, sci-kit-learn, Gunicorn, Celery, and SQLAlchemy. • Experience with managing, building, and deploying code through tools including Jira, GIT, Bitbucket, Gradle, and Jenkins. • Experience designing and executing unit tests using Python testing frameworks (Pytest, Unittest, pytest-mockito). • Knowledge of architecture design patterns and principles. Preferred Qualifications • Ability to work independently to contribute to the success of assigned projects. • Experience collaborating with cross-functional teams including data architects, business analysts, and project managers. • Demonstrated business acumen, problem-solving skills, and relationship management skills. • Experience with ETL tools and data pipeline orchestration. Compensation and Benefits: The pay rate for this position is between $65.00 and $82.26 per hour. Please note that the final rate may be contingent on experience and other factors. This employer is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability. 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 Benefits Department at [email protected] or 804-523-8228. 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 https://www.apexsystems.com/privacy-policy 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 804-523-8228. 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. © 2026 Everforth, Inc. All rights reserved. Everforth Apex Systems is part of the Commercial Segment of Everforth, Inc. NYSE: EFOR 4400 Cox Road Suite 200 Glen Allen, Virginia 23060 Everforth Apex 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 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 Benefits Department at [email protected] or 804-523-8228. (Do not submit resumes or solicit consultants to this email address). UnitedHealthcare creates and publishes the Transparency in Coverage Machine-Readable Files on behalf of Everforth Apex.