Full Stack Developer - AI Integration jobs in United States
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ASCENDING Inc. ยท 3 weeks ago

Full Stack Developer - AI Integration

positionWahington, DC
timeFull-time
remoteHybrid
seniorityMid, Senior Level
date5+ years exp

ASCENDING Inc. is expanding their AI offerings and is seeking a Full Stack Developer to design, build, and integrate AI components into customer platforms. The role involves working across the stack to deliver production-grade AI features and requires strong experience in C#/.NET, modern JavaScript, and data integrations.

Information ServicesInformation Technology
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H1B Sponsor Likelynote

Responsibilities

Design, build, and integrate AI features into customer platforms (web apps, CRMs, ERPs, support systems, custom tools)
Develop and maintain C#/.NET APIs and services that orchestrate LLMs, tools, and data sources
Implement agentic AI patterns (tool/function calling, routing/planning, memory, multi-step workflows) for real business use cases
Build front-end experiences in React and/or Angular for prompt UIs, chat/agent consoles, and admin tooling
Ship robust data integrations (REST/GraphQL/webhooks), including ETL/ELT for RAG pipelines and system-to-system sync
Implement secure authentication/authorization, audit trails, rate limiting, cost controls, and observability
Produce clear documentation, deployment guides, and client-facing enablement; partner with delivery and customer teams

Qualification

C#/.NETAgentic AI solutionsFront-end developmentAPI design/integrationData integrationCustomized AI agentsSoftware engineering practicesPythonAI models understandingAI frameworks experienceCloud experience

Required

Professional full-stack experience building production systems with C#/.NET (5+ years preferred)
Recent, paid professional experience delivering agentic AI solutions (not side projects), e.g.: Tool/function calling, orchestration, task planning, retries, grounding, and memory
Integrations with LLM APIs (e.g., Azure OpenAI/OpenAI/Anthropic/Vertex) in production
Hands-on front-end development with modern JS libraries (React and/or Angular)
Strong API design/integration background (REST/GraphQL, webhooks, OAuth/OIDC)
Data integration experience: building pipelines, transforming/normalizing data, and connecting heterogeneous systems
Experience building customized AI agents tailored to business workflows and integrating them into existing apps
Solid software engineering practices: testing, CI/CD, versioning, code reviews, secure coding, documentation

Preferred

Python development experience (for AI tooling, data pipelines, or SDKs)
Understanding of AI models and tradeoffs (context length, token costs, latency, safety, evals)
Experience with AI frameworks and components: Semantic Kernel, LangChain, function calling, vector search (e.g., Azure AI Search, Pinecone, Redis, pgvector)
RAG patterns (indexing, chunking, embeddings, metadata), prompt engineering, evaluation frameworks
Cloud experience (Azure preferred; AWS/GCP welcome), containers (Docker), and basic DevOps

Company

ASCENDING Inc.

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The ASCENDING team commits to delivering scalable and high-available cloud solutions to clients.
dateFounded in 2018
location
Fairfax, Virginia, USA
people-size11-50 employees
web-link
https://ascendingdc.com/

H1B Sponsorship

ASCENDING Inc. has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (4)
2024 (8)
2023 (7)
2022 (6)
2021 (9)
2020 (2)

Funding

Current Stage
Early Stage

Leadership Team

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Ryo Hang
Managing Partner, Technical Cofounder
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Company data provided by crunchbase