Senior Full Stack Engineer
New York City, NY, US
Information Technology
Full Time,
$1500000 - $200000
On-site
Other/Non Classified
New York City, NY, US
$1500000 - $200000
Full Time,
Other/Non Classified
On-site
Information Technology
Job details
About the Role
What You’ll Do
- Build AI-powered applications using C#, .NET, and Azure.
- Design and implement RAG pipelines and agentic workflows.
- Integrate LLMs into production systems using APIs, function calling, and tool orchestration.
- Develop backend services and APIs that expose AI capabilities.
- Implement guardrails, validation logic, observability, and human-in-the-loop workflows.
- Collaborate with Product, Data, Platform, and AI teams to deliver secure and scalable solutions.
Responsibilities
- 5+ years of software engineering experience
- Strong C# / .NET and Azure expertise
- Experience building production APIs and backend services
- Hands-on experience with:
- Generative AI / LLM integrations
- Retrieval-Augmented Generation (RAG)
- Agent workflows
- Prompt engineering
- Function & tool calling
- Experience with SQL, enterprise systems, and cloud-native architectures
- Ability to turn AI prototypes into reliable production applications
Qualifications
Preferred Technologies
- C#, .NET 8+, ASP.NET Core, Azure OpenAI, Azure AI Search, AKS, Azure Functions, Service Bus, Cosmos DB, SQL, Docker, GitHub Actions/Azure DevOps.
- Experience with Semantic Kernel, LangChain, Copilot Studio, Azure AI Foundry, or similar AI orchestration frameworks is a plus.
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About Kelly
Work changes everything. And at Kelly, we’re obsessed with where it can take you. To us, it’s about more than simply accepting your next job opportunity. It’s the fuel that powers every next step of your life. It’s the ripple effect that changes and improves everything for your family, your community, and the world. Which is why, here at Kelly, we are dedicated to providing you with limitless opportunities to enrich your life—just ask the 300,000 people we employ each year.Kelly is committed to providing equal employment opportunities to all qualified employees and applicants regardless of race, color, sex, sexual orientation, gender identity, religion, national origin, disability, veteran status, age, marital status, pregnancy, genetic information, or any other legally protected status, and we take affirmative action to recruit, employ, and advance qualified individuals with disabilities and protected veterans in the workforce. Requests for accommodation related to our application process can be directed to the Kelly Human Resource Knowledge Center. Kelly complies with the requirements of California’s state and local Fair Chance laws. A conviction does not automatically bar individuals from employment. Kelly participates in E-Verify and will provide the federal government with your Form I-9 information to confirm that you are authorized to work in the U.S.
Kelly may use AI-powered tools during the recruitment and hiring process. For full details, including how Kelly uses AI, your rights, and how to request a reasonable accommodation, visit the Recruitment Artificial Intelligence Notice.