Job description

Overview Primary Job Title: Application Developer Alternate/Related Job Titles: Full Stack Developer - C#; Cloud Application Developer; SSIS/.NET Software Engineer; Python Backend Developer; Claims Portal Developer Location: Wellesley, MA (Hybrid) Onsite Flexibility: Hybrid — local candidates preferred (50-mile radius); EST/CST time zones acceptable if needed Contract Details Position Type: Contract Contract Duration: 3 months Start: 09/29/2025 End: 12/31/2025 Pay Rate: 70-75/hr Job Summary Backfilling a departing contractor, this full-stack development role focuses on enhancing claims, benefits, and member portal systems. The ideal candidate is skilled in C#, SSIS, T-SQL , and ideally has Python and cloud (AWS) exposure. This is a hands-on technical role involving application development, integration, and mentoring , working with internal teams and third-party vendors to support the organization’s digital transformation. Key Responsibilities Lead technical analysis, development, unit testing, and support of software applications Collaborate with IT and business teams to clarify requirements and design solutions Own delivery of end-to-end functionality across front-end and back-end systems Manage integration testing and quality assurance coordination Act as functional/technical lead for large or complex projects Mentor team members and contribute to technology strategy Resolve complex inter-team issues and escalate as needed Work with stakeholders to align technical strategies and deliverables Participate in risk planning, mitigation, and technical standards adherence Support third-party system integration and troubleshooting Provide leadership in adopting best practices and industry standards Required Experience Full-stack development with C#, SSIS, and T-SQL Experience supporting claims, benefits, or member portals Systems integration and enterprise application delivery End-to-end project leadership in a technical capacity Nice-to-Have Experience Python scripting and automation AWS cloud services (especially Lambda, S3, API Gateway, SNS ) Experience in Medical/Dental Insurance domain Azure migration exposure (not required) Collaborating with third-party tech vendors Required Skills C# Full-Stack Development SSIS T-SQL Preferred Skills Python AWS Cloud (Lambda, S3, API Gateway) Insurance Claims Portals Cloud Migration Exposure Cross-functional Collaboration Additional Skills Application integration and testing Technical mentoring and team leadership Agile project delivery Working in EST/CST remote environments Benefits Medical, Vision, and Dental Insurance Plans 401k Retirement Fund About the Client Leading financial services organization offering insurance, advice, investments, and asset management. Committed to helping clients achieve financial security and a healthier life. Global presence with thousands of employees and advisors. Join our team and drive transformation, sustainability, and innovation. About GTT GTT is a minority-owned staffing firm and a subsidiary of Chenega Corporation, a Native American-owned company in Alaska. As a Native American-owned, economically disadvantaged corporation, we highly value diverse and inclusive workplaces. Our clients are Fortune 500 banking, insurance, financial services, and technology companies, along with some of the nation’s largest life sciences, biotech, utility, and retail companies across the US and Canada. We look forward to helping you land your next great career opportunity! Job Number: 25-25840 Hashtags: #LI-GTT #LI-Hybrid #J-18808-Ljbffr Global Technical Talent

Requirements