NewsBreak · 1 month ago
Software Engineer, AI Agent
Mountain View, CA
Full-time
Onsite
Mid Level
$135K/yr - $225K/yrNewsBreak is the Content Intelligence platform shaping the future content economy, with a mission to build the infrastructure layer for content intelligence. The Software Engineer, AI Agent role involves designing and developing backend infrastructure for AI Agent products, collaborating with cross-functional teams, and optimizing system performance.
Advertising PlatformsArtificial Intelligence (AI)Content CreatorsSearch Engine
Responsibilities
Design and develop backend infrastructure for AI Agent products, including APIs, databases, caching, and task orchestration
Implement Agent execution logic — context management, tool invocation, model coordination, and workflow tracking
Integrate multiple foundation models and external data or API sources
Optimize system throughput, latency, and reliability for scalable deployment
Collaborate cross-functionally with product and ML teams to iterate quickly on AI-driven features
Qualification
Required
Bachelor's degree or higher in Computer Science, Software Engineering, or related fields
Strong backend engineering experience in Python (or Go / Node.js), including API design, database modeling, and middleware such as Redis / Kafka / MQ
A power user or active builder of AI products, with a deep understanding of AI interaction patterns and system behaviors
Familiar with major foundation models (OpenAI, Anthropic, Gemini, Llama, Mistral, etc.) and their APIs, context limits, and response styles
Experience in Context Engineering / RAG / Prompt Engineering, with understanding of how retrieval and context design affect model performance
Solid skills in system design, debugging, and production readiness
Preferred
Experience with model fine-tuning / LoRA / RLHF
Basic frontend development experience (React, Next.js, or Vue)
Hands-on experience building or launching AI Agent products from scratch
Familiarity with LLM orchestration frameworks (LangChain, LlamaIndex, SGLang, vLLM, FastAPI, etc.)
Benefits
Health, dental, and vision care for you and your family (100% coverage for employee)
Top-tier 401(K) plan with company matching
Paid time off and paid holidays
FSA, HSA and commuter benefits programs
Team activity budget
Company
NewsBreak
NewsBreak is the leading platform that connects people with the information that truly matters, through technology
Founded in 2015
51-200 employees
H1B Sponsorship
NewsBreak 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 (28)
2024 (6)
2023 (7)
2022 (10)
2021 (18)
2020 (12)
Funding
Current Stage
Growth StageTotal Funding
$147.6MKey Investors
Francisco Partners
2021-01-07Series C· $115M
2019-09-26Series B· $11M
2017-05-11Series B· $7.6M
Leadership Team
Jeff Zheng
Founder & CEO — we are hiring!
Corey Frankel
Strategic Partner Manager
Recent News
Company data provided by crunchbase