NOSO LABS(YC S25) · 1 day ago
Full Stack Engineer(Ongoing hiring forever)
San Francisco, CA
Full-time
Onsite
New Grad, Entry Level
$180K/yr - $180K/yrNOSO LABS is a Y Combinator-backed AI startup focused on revolutionizing home service industries with automation. They are seeking a Founding Software Engineer to develop and ship core product functionality while collaborating on AI integrations and handling enterprise customer data.
Artificial Intelligence (AI)Enterprise Resource Planning (ERP)Heating Ventilation and Air Conditioning (HVAC)Sales Automation
Responsibilities
Build full-stack features: Develop and ship core product functionality using our React Native mobile frontend and Python backend. Take features from idea to production, including UI, business logic, and cloud services
AI/ML integration: Collaborate on designing and integrating large language models (LLMs) and other AI models into our applications. Work on data collection, preprocessing, model training, fine-tuning, and deployment to improve diagnostics and automation
Data engineering: Handle enterprise customer data and APIs. Build data pipelines and tooling to clean, store, and analyze large datasets for model training and inference
Quality & optimization: Test and validate model performance, optimize code for efficiency, and ensure reliability at scale. Iterate based on feedback from real technician use-cases to continuously improve the product
End-to-end development: Take ownership of features across the stack – from designing robust backend services and database schemas to crafting intuitive mobile UI and experiences
Collaboration: Work closely with product, AI, and design teams to translate customer needs (e.g., faster HVAC diagnostics) into technical solutions. Communicate clearly and document your work to help the whole team stay in sync
Qualification
Required
New Graduate in Engineering: Bachelor's or Master's in Computer Science, Electrical Engineering, or a related field, graduating in 2025 or 2026
Top Academic Performance: Excellent academic record (GPA ≥ 3.7). We're looking for the best and brightest who have a track record of tackling challenging coursework or projects
Programming Skills: Strong proficiency in Python is a must. Experience with web or mobile development using JavaScript/TypeScript and React (or React Native) is required. You should be comfortable writing clean, maintainable code
Machine Learning Knowledge: Familiarity with ML frameworks such as TensorFlow or PyTorch. You understand basic concepts of NLP/AI (e.g., neural networks, language models) from coursework or projects
Data Handling: Comfortable working with large datasets. Experience with data manipulation (Pandas, NumPy, etc.) and cloud platforms (AWS, GCP, or Azure) is expected
Problem-Solver & Learner: Strong analytical and problem-solving skills. You're a quick learner who can pick up new technologies and concepts as needed
Team Player: Excellent communication and collaboration skills. As a founding team member, you'll need to work closely with co-founders and cross-functional partners in a fast-paced environment
Commitment to Mission: Passion for AI and a drive to make a tangible impact in the trades industry. We want candidates who are eager to “move the needle” and change the world in their own way
Preferred
Experience or coursework in building and deploying ML models at scale
Familiarity with enterprise software systems and APIs (e.g., CRM, dispatch tools)
Any hands-on projects or internships involving full-stack development or AI (highlight in your resume!)
Interest or background in home service industries (HVAC, plumbing, etc.) or other field-service domains
Prior experience in a startup or hackathon environment, where you thrived under pressure and ambiguity
Benefits
Equity: Meaningful ownership in the company.
Funding: YC-backed with the runway to grow.
Growth: Massive learning opportunity working on AI (NLP/LLM, full-stack, cloud) under experienced founders.
Company
NOSO LABS(YC S25)
NOSO Labs is the first AI-powered sales enablement platform for the HVAC and plumbing industry.
Founded in 2025
2-10 employees
Funding
Current Stage
Early StageTotal Funding
$0.5MKey Investors
Y Combinator
2025-09-09Pre Seed· $0.5M
Company data provided by crunchbase