Technical Lead
Newfold Digital is a leading web technology company serving millions of customers globally. Our customers know us through our robust portfolio of brands. We have some of the industry's most prominent and storied go-to-market brands, including Bluehost, HostGator, Domain.com, Network Solutions, Register.com, and Web.com. We help customers of all sizes build a digital presence that delivers results. With our extensive product offerings and personalized support, we take pride in collaborating with our customers to serve their online presence needs. The strength of our company lives in the intersection of our people, our customers, and our brands.
The impact you'll make:
Set the technical architecture for our agent-powered platform, choosing the right mix of LLMs, retrieval tech, and micro-service patterns to meet reliability, cost, and latency targets.
Drive architecture for high-throughput APIs built with .NET, C#, Python 3.11+, FastAPI async, SQLModel, and Semantic Kernelfrom design docs through production roll-out.
Lead multi-agent orchestration (handoff, sequential, concurrent) that combines knowledge-grounded and tool-calling agents across OpenAI GPT-5/4.1/mini, Google Gemini 2.5 Flash, and future providers.
Guide teams implementing Retrieval-Augmented Generation on Azure AI Search, pgvector, Chroma, ensuring index quality, filtering, and safety checks.
Own end-to-end CI/CD pipelines (Bitbucket Pipelines, Jenkins or similar): lint, type-check, security scan, test, containerize, and deploy.
Mentor and hire engineers; adopt AI coding agents (Cursor, Claude Code) as force multipliers while safeguarding code quality.
Champion observability and FinOps for LLM workloadsstructlog JSON, OTEL tracing, LangFuse, cost dashboards; keep p95
Partner with Product and Security to translate business goals, compliance needs, and user feedback into a pragmatic technical roadmap.
Must-have experience:
5+ years building and scaling production back-ends; 2+ years in a tech-lead or staff role.
Expert in REST API design and development: Python FastAPI or .NET C# APIs. With experience in dependency-injection patterns, middleware, profiling, and optimization.
Hands-on leader with Semantic Kernel (or equivalent agent/LLM frameworks) and production LLM orchestration.
Delivered at least one RAG system/pipeline using a vector store (Azure AI Search, pgvector, Chroma or equivalent) with measurable latency/quality KPIs.
Deep Postgres expertise plus SQLModel/SQLAlchemy 2 and Alembic migrations at scale.
Proven track record integrating multiple LLM providers and implementing structured-output + tool-calling workflows.
Fluency with Poetry, Docker, GitHub Actions (or Azure/Argo), IaC basics, and blue/green or canary release strategies.
Strong people-leadership: code reviews, technical mentoring, roadmap planning, and cross-team communication.
Why join Newfold AI team?
You'll steer the core brains of our AI productsbuilding an LLM-agnostic, agent-driven platform that delights millions of users while meeting enterprise-grade reliability and governance. If you thrive on big technical bets, love mentoring, and want room to shape both code and culture, we'd love to meet you.