Braintrust

www.usebraintrust.com

5 Jobs

338 Employees

About the Company

Braintrust is revolutionizing hiring with Braintrust AIR, the world's first and only end-to-end AI recruiting platform. Trained with human insights and proprietary data, Braintrust AIR reduces time to hire from months to days, instantly matching you with pre-vetted qualified candidates, and conducting the first round phone screen for you. Trusted by hundreds of Fortune 1000 enterprises including Nestlé, Porsche, Atlassian, Goldman Sachs, and Nike, Braintrust AIR is making talent acquisition professionals 100x more effective and saving companies hundreds of thousands of dollars in recruiting costs.

Listed Jobs

Company Name: Braintrust
Job Title: Full Stack Developer
Job Description: Job Title: Full Stack Developer Role Summary: Design, develop, and maintain end‑to‑end web applications using Node.js, Express, and React.js. Build scalable APIs, integrate third‑party services, and optimize performance across the stack. Expectations: Deliver clean, testable code that meets functional and performance standards; collaborate across product, design, and operations; participate in architecture discussions and peer reviews. Key Responsibilities: • Develop and refine React.js front‑end interfaces and Node.js back‑end services. • Create and maintain RESTful APIs, microservices, and related documentation. • Integrate external APIs and third‑party services. • Solve bugs, debug across the stack, and ensure high code quality. • Perform unit, integration, and performance testing. • Monitor application health and implement optimizations. • Contribute to system design, architecture, and deployment strategies. Required Skills: • 3+ years full‑stack development experience. • Advanced JavaScript, Node.js, Express, React.js. • State management (Redux, MobX). • RESTful API design and implementation. • Database knowledge (MySQL, MongoDB, PostgreSQL). • Containerization (Docker) and cloud deployment (AWS). • Strong problem‑solving, communication, and teamwork skills. Required Education & Certifications: • Bachelor’s degree in Computer Science, Software Engineering, or related field preferred; equivalent professional experience acceptable.

Company Name: Braintrust
Job Title: AI (Agent Focus) Subject Matter Expert - AI Evaluation (UK-Remote)
Job Description: Job Title: AI (Agent Focus) Subject Matter Expert – AI Evaluation Role Summary: Design, execute, and optimize end‑to‑end data collection and evaluation pipelines for generative AI research, focusing on AI agent environments. Translate high‑level research requirements into scalable workflows, curate challenging domain problems, and ensure datasets are factual, bias‑aware, and ready for LLM training and evaluation. Expectations: • Deliver high‑quality content and datasets within tight timelines. • Operate independently in a fast‑paced, minimally supervised setting. • Maintain rigorous quality standards and transparency in methodology. • Close collaboration with researchers, engineers, and cross‑functional teams. • Adapt workflows to emerging AI capabilities and project needs. Key Responsibilities: - Partner with GenAI researchers/engineers to capture data needs and define success criteria. - Translate high‑level requirements into detailed, executable data collection and evaluation workflows. - Rapidly run and monitor workflows, minimizing supervision while maximizing throughput and quality. - Innovate and iterate processes to improve efficiency, accuracy, and scalability. - Cross‑functionally coordinate to uphold data quality at scale. - Conduct in‑depth LLM‑assisted research to gather reliable, up‑to‑date information. - Create original, high‑quality content and complex domain problems for LLM evaluation and training. - Perform precise fact‑checking (precision/recall analysis) to eliminate misinformation. Required Skills: - Master’s (with distinction) or PhD in AI, computer science, or related field; top‑tier institution preferred. - Proven experience in AI/AI‑agent content development and data curation. - Excellent writing and editing; ability to convey complex ideas clearly and engagingly across formats. - Strong research, fact‑checking, and bias‑mitigation expertise. - Creative, original problem‑solving with a distinct human voice. - Detail‑oriented, precise data presentation, and meticulous proofreading. - Excellent communication and collaboration skills for cross‑functional teamwork. - In‑depth understanding of LLM capabilities, limitations, and evaluation techniques. - Prompt engineering proficiency and familiarity with AI writing tools. - Ethical AI awareness and data literacy (collection, cleaning, transformation). - Ability to thrive in fast‑paced, autonomous work environments. Required Education & Certifications: - Master’s degree (with distinction) or PhD in AI, machine learning, or related discipline. - Additional certifications in data science, AI, or ethical AI (preferred but not mandatory).

United kingdom

Remote

26-11-2025

Company Name: Braintrust
Job Title: Data Science Subject Matter Expert - AI Evaluation (UK-Remote)
Job Description: **Job Title** Data Science Subject Matter Expert – AI Evaluation (UK‑Remote) **Role Summary** Design, run, and optimize data collection and evaluation workflows for Generative AI research. Translate high‑level research requirements into scalable processes, curate domain challenges, and ensure high‑quality, bias‑aware datasets for LLM training. **Expectations** - Short‑term project (3 months, possible extension). - Work independently, delivering fast, high‑throughput results. - Maintain rigorous quality standards and factual accuracy. - Collaborate cross‑functionally with researchers and engineers. **Key Responsibilities** - Partner with GenAI researchers/engineers to define data needs and success criteria. - Expand high‑level requirements into detailed, executable workflows for larger teams. - Execute collection and evaluation workflows rapidly with minimal supervision. - Innovate workflow designs to maximize throughput and data quality. - Maintain quality at scale through cross‑functional collaboration. - Perform LLM‑assisted research, gathering reliable, up‑to‑date information. - Create original, high‑quality content and challenging problems for LLM evaluation and training. - Conduct rigorous fact‑checking (precision/recall) to prevent misinformation. **Required Skills** - Advanced content development in Data Science. - Exceptional written communication—clear, concise, engaging across formats. - Strong research and fact‑checking skills; bias mitigation expertise. - Originality, creativity, and a distinct human voice. - Detail orientation, precise data presentation, and thorough proofreading. - Ability to articulate complex concepts and collaborate effectively. - Solid understanding of AI/LLMs, their capabilities and limits. - Prompt engineering and familiarity with AI writing tools. - Ethical AI awareness and data literacy (collection, cleaning, transformation). - Thrive in fast‑paced, minimally supervised environments. **Required Education & Certifications** - Master’s with distinction or PhD in Data Science (top‑tier institution preferred). - Significant domain experience considered a plus.

United kingdom

Remote

26-11-2025

Company Name: Braintrust
Job Title: Remote AI Data Reviewer (No Experience Needed)
Job Description: **Job Title:** Remote AI Data Reviewer (No Experience Needed) **Role Summary:** Assist global AI training initiatives by reviewing, labeling, and evaluating text and multimedia content to improve model accuracy, all on a flexible, self‑paced schedule. **Expectations:** - Work independently from any location with reliable internet. - Adhere strictly to detailed guidelines and quality standards. - Complete initial and ongoing assessments to gain and retain access to the work queue. - Deliver high‑quality annotations consistently within scheduled deadlines. **Key Responsibilities:** 1. Read and comprehend task‑specific instructions and guidelines. 2. Label, categorize, or evaluate provided content (text, images, etc.) according to project requirements. 3. Maintain accuracy, consistency, and quality across all annotations. 4. Perform self‑checks and participate in quality‑control reviews. 5. Submit completed work through the designated platform and respond to brief follow‑up queries if necessary. **Required Skills:** - Strong English reading comprehension and basic writing skills. - Ability to follow detailed written instructions precisely. - Self‑discipline and reliability to meet quality and deadline expectations. - Basic computer literacy and internet usage. **Required Education & Certifications:** - Minimum high‑school diploma or equivalent. - No specialized training, certifications, or prior experience required.

United kingdom

Remote

26-11-2025

View 5 more jobs at Braintrust