Senior Backend Engineer

Job not on LinkedIn

🕒 2 days ago

🇺🇸 United States – Remote

⏰ Full Time

🟠 Senior

🔙 Backend Engineer

🦅 H1B Visa Sponsor

This company has sponsored H1B visas in the past.

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Newfold Digital

WebsiteLinkedInAll Job Openings

1001 - 5000 employees

Founded 2021

💼 Consulting

📣 Marketing

📦 Logistics

💰 Venture Round on 2021-01

Consulting • Marketing • Logistics

Newfold Digital is a leading web presence solutions provider serving millions of small-to-medium businesses globally. Through its portfolio of brands, including Bluehost, CrazyDomains, HostGator, Network Solutions, Register. com, Web. com, and many others, Newfold Digital helps customers of all sizes build a digital presence that delivers results and adds value to businesses. With extensive product offerings such as domains, website builders, hosting, security, online marketing, professional website design, and SEO services, along with personalized support, Newfold Digital collaborates with its customers to meet their online presence needs.

📋 Description

• Design and scale async REST/WebSocket APIs in Python using FastAPI or similar • Implement sequential, concurrent, and handoff multi-agent workflows • Integrate multiple LLM providers behind a provider-agnostic layer for A/B testing and cost-aware routing • Build and maintain RAG pipelines using vector stores such as pgvector, Chroma, or managed vector search services • Design schemas and evolve data models using SQLAlchemy/SQLModel-style ORM and migrations • Instrument services with structured logs, distributed tracing, and cost/latency metrics • Maintain end-to-end CI/CD, including linting, type-checking, testing, packaging, and deployment • Establish AI delivery guardrails for code review, provenance, licensing, and customer data usage • Move ideas from concept to production with ownership of architecture and outcomes

🎯 Requirements

• 5+ years building production backend systems in Python, with real async I/O experience • Hands-on experience designing and scaling REST or async APIs, including dependency injection and clean service architecture • Practical experience integrating LLM APIs (OpenAI, Gemini, or similar) and building AI-readiness into backend systems from the ground up • Real experience with vector databases and RAG-style retrieval architectures • Strong relational database skills: schema design, query optimization, and migration discipline • AI-augmented delivery across the delivery lifecycle • Ability to identify which AI models suit which problems and where not to use them • Experience reviewing AI-generated code and establishing guardrails for generated code, provenance, licensing, customer data, security, and compliance • End-to-end CI/CD ownership, from build and test through packaging and deployment • Self-starting, go-getter mindset; comfortable with ambiguity, fast iteration, and owning problems through resolution • Bonus: experience with multi-agent orchestration frameworks such as Semantic Kernel, LangChain, or similar, and LLM cost/observability tooling

🏖️ Benefits

• Work-life balance • Diversity and inclusion programs • Learning and development opportunities • 20+ affinity groups for networking and connection • Health Insurance options • HSA • Medical insurance • Dental insurance • Vision insurance • Matching 401K • Life/AD&D/STD/LTD insurance • Tuition Reimbursement • Pet Insurance • Generous vacation policy • Mentorship and career growth opportunities

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