Job Description
Job DescriptionSenior Cloud Engineer (.NET/C#)
Alternate/Related Job Titles:
Senior .NET Cloud Engineer
Cloud Backend Engineer (.NET)
Healthcare Interoperability Engineer
Senior Software Engineer – Cloud & APIsLocation:
Wellesley, MAOnsite Flexibility:
OnsiteContract Details
- Position Type: Contract
- Contract Duration: 12 months
- Start: As Soon As Possible
- Pay Rate: $100–$105/hour
Job SummaryThe Senior Cloud Engineer (.NET/C#) will serve as a key technical contributor on a mission-critical healthcare interoperability initiative supporting CMS Interoperability Phase 3 (CMS-0057-F). This role focuses on designing, developing, and deploying secure, scalable cloud services that enable compliant healthcare data exchange, directly impacting how patient data is shared across the healthcare ecosystem.Key Responsibilities
- Develop and own the central Proxy FHIR Service, a C# serverless function acting as the secure gateway for all interoperability APIs.
- Engineer robust security and authorization mechanisms, including validation of external Okta JWTs, OAuth 2.0 scope-based authorization, and secure internal token exchange.
- Design and implement intelligent routing logic to support complex Prior Authorization workflows, differentiating between CRD, DTR, and Client requests.
- Build resilient asynchronous background jobs, including:
- Synchronization of member consent choices (opt-in/opt-out) from Salesforce to a centralized repository.
- A long-running payer-to-payer data orchestration process involving external API calls, FHIR bundle parsing, and data transformation for claims systems.
- Provider-patient attribution processing using historical claims data.
- Ensure all data processing aligns with HL7 FHIR US Core Implementation Guide v7.0.0 standards.
- Collaborate with solution architects, business analysts, and QA engineers to translate functional requirements into scalable, production-ready cloud solutions.
Required Experience
- 5+ years of professional software development experience using C# and the .NET Framework.
- Hands-on experience with cloud platforms (Azure, AWS, or similar), particularly serverless technologies such as Azure Functions or AWS Lambda.
- Strong understanding of RESTful APIs, OAuth 2.0, JWT, and backend service security.
- Proven ability to design scalable, reliable backend systems and asynchronous processing workflows.
- Experience interpreting and implementing detailed technical specifications and functional requirements.
Nice-to-Have Experience
- Healthcare technology experience, especially HL7 FHIR interoperability standards.
- Familiarity with Da Vinci Implementation Guides (CRD, DTR, Client) for prior authorization.
- Experience integrating with Okta or similar identity providers.
- Salesforce API integration experience.
- Knowledge of API gateway patterns and cloud-native healthcare data platforms such as AWS Health Lake or Azure Health Data Services.
Required Skills
- C# / .NET backend development
- Cloud serverless architecture
- Secure API design (OAuth 2.0, JWT)
Preferred Skills
- HL7 FHIR interoperability standards
- Healthcare data exchange workflows
- Okta authentication and authorization
- Salesforce API integration
- Cloud API gateway technologies
Additional Skills from Original Description
- Asynchronous job orchestration
- Long-running cloud workflows
- Claims and payer data processing
- Data transformation and validation
Benefits
- Medical, Vision, and Dental Insurance Plans
- 401k Retirement Fund
About the ClientThe client is a leading financial services organization providing insurance, advice, investments, and asset management services. With a global presence and thousands of employees and advisors, the organization is committed to driving transformation, sustainability, innovation, and helping individuals achieve long-term financial security and healthier lives.About GTTGTT 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 U.S. and Canada. We look forward to helping you land your next great career opportunity.We are an Equal Opportunity Employer.Job Number:
25-29293#LI-GTT #LI-Onsite #gttjobsCompany DescriptionGlobal Technical Talent is a subsidiary of Chenega Corporation (www.Chenega.com) with over 1.3 billion US$ in revenue and 5800 US employees. We provide Total Talent Solutions, Global staffing, SOW, RPO, Direct Sourcing, and Global Payroll with physical offices in US, Canada, and India. GTT Digital headquartered in Toronto specializes in providing high-tech digital and banking talent to some of the nation’s largest financial institutions. As a leader in the staffing industry for over 22 years, we have become one of the largest staffing firms in the New England region, working with Fortune 500 clients and cutting-edge, technology-driven recruiting infrastructure.
We are a Native American-owned, economically disadvantaged corporation that highly values diverse and inclusive workplaces. Our clients and partners are among the most successful and innovative organizations in the world. Our top clients are Fortune 500 banking, insurance, and financial services firms, some of the nation’s largest life sciences, biotech, utility, and retail companies, and prestigious educational institutions in the Ivy League tier.
There is always a new opportunity for success when you look through all of the open job opportunities on our website’s career page. Just click on this link: https://bit.ly/gttcareers
Awards
SIA’s Fastest Growing Staffing Firm: 2023 and 2015
SIA’s Best Staffing Firm to Work for: 2019 -2023
Inc 5000 Fastest Growing Private Company: 2023, 2022, 2016, 2015
Randstad Preferred Supplier: 2020 - 2023
TechServe Alliance Excellence Award. 2019
NH Business Magazines Fast 5 fastest growing companies
Ernst & Young Entrepreneur of the Year Finalist: 2015
Company Description
Global Technical Talent is a subsidiary of Chenega Corporation (www.Chenega.com) with over 1.3 billion US$ in revenue and 5800 US employees. We provide Total Talent Solutions, Global staffing, SOW, RPO, Direct Sourcing, and Global Payroll with physical offices in US, Canada, and India. GTT Digital headquartered in Toronto specializes in providing high-tech digital and banking talent to some of the nation’s largest financial institutions. As a leader in the staffing industry for over 22 years, we have become one of the largest staffing firms in the New England region, working with Fortune 500 clients and cutting-edge, technology-driven recruiting infrastructure.\r\n\r\nWe are a Native American-owned, economically disadvantaged corporation that highly values diverse and inclusive workplaces. Our clients and partners are among the most successful and innovative organizations in the world. Our top clients are Fortune 500 banking, insurance, and financial services firms, some of the nation’s largest life sciences, biotech, utility, and retail companies, and prestigious educational institutions in the Ivy League tier.\r\n \r\nThere is always a new opportunity for success when you look through all of the open job opportunities on our website’s career page. Just click on this link: https://bit.ly/gttcareers \r\n \r\nAwards\r\n\r\nSIA’s Fastest Growing Staffing Firm: 2023 and 2015\r\nSIA’s Best Staffing Firm to Work for: 2019 -2023\r\nInc 5000 Fastest Growing Private Company: 2023, 2022, 2016, 2015\r\nRandstad Preferred Supplier: 2020 - 2023\r\nTechServe Alliance Excellence Award. 2019\r\nNH Business Magazines Fast 5 fastest growing companies\r\nErnst & Young Entrepreneur of the Year Finalist: 2015