NewtonX · 4 days ago
Software Engineer- LLM Systems (Remote)
United States
Full-time
Remote
Mid Level
$180K/yr - $220K/yr
3+ years expNewtonX delivers AI-powered B2B insights to high-profile clients like McKinsey and Google. The role involves owning the core LLM infrastructure for products that redefine B2B research, focusing on building scalable AI systems and integrating complex data sources.
B2BInformation ServicesInformation TechnologyManagement ConsultingMarket Research
Responsibilities
Own the core LLM infrastructure powering two products redefining B2B research
Build self-serve features that compress weeks into days: question → expert insight → follow-up, powered by RAG and adaptive workflows
Architect automated systems that continuously capture expert opinions—creating longitudinal datasets and refreshable dashboards that compound in value
Fuse structured survey data with unstructured expert knowledge, building semantic search across proprietary corpora, and creating AI pipelines that maintain research-grade quality at scale
Qualification
Required
You write exceptional code, fast. 3-4 years of experience shipping production code in a fast-paced environment
Full-stack expertise: Moderate proficiency in React, TypeScript, and modern frontend frameworks. Backend experience with Python, Node.js, or similar
AI/ML implementation experience: Hands-on experience integrating LLMs, building with OpenAI/Anthropic APIs, or implementing ML models in production. We care more about a demonstrated eagerness to learn and an understanding of complex systems than specific years
Cloud and infrastructure: Experience with AWS, Docker, and modern deployment practices
Quality mindset: Experience with testing, code reviews, and maintaining high code quality standards
Customer focus: Ability to translate user needs into technical solutions while maintaining engineering best practices
Preferred
RAG systems, embeddings, semantic search
Real-time data processing or streaming architectures
Open-source contributions in AI/ML
Benefits
Excellent medical, dental, and vision insurance.
401k match with immediate vesting.
Generous Paid time off, holidays, and parental leave.
A diverse, collaborative, and positive culture where we invest in and celebrate each other’s success.
Company
NewtonX
The world’s leading businesses find their advantage with NewtonX. Make your next bold move with 100% verified B2B insights.
51-200 employees
H1B Sponsorship
NewtonX 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 (1)
2023 (3)
2022 (5)
2021 (4)
2020 (5)
Funding
Current Stage
Growth StageTotal Funding
$47MKey Investors
MarbruckTwo Sigma VenturesThird Prime
2021-12-08Series B· $32M
2019-06-18Series A· $12M
2017-08-31Seed· $3M
Leadership Team
Germain Chastel
Co-Founder and CEO
Sascha Eder
CEO and Co-Founder
Recent News
Social Media Today
2025-11-06
Company data provided by crunchbase