Job Title: Senior Backend Engineer - Python / AI / LLMs
Location: Remote (U.S. preferred)
Employment Type: Full-time
Salary: $120,000 - $180,000 + equity
Benefits: Competitive healthcare, flexible PTO, remote-first culture, home office stipend, wellness allowance, learning & development budget
We're a fast-moving startup on a mission to build AI-powered tools that make complex work simple, faster, and more intelligent. We leverage cutting-edge large language models (LLMs) to solve real problems across industries. Our team is small, senior, and passionate about what we build-every line of code makes a visible impact.
We're looking for a Senior Backend Engineer to join us in scaling the backend infrastructure that powers our AI systems.
What You'll DoDesign, build, and maintain backend services and APIs using Python (FastAPI, Flask, or Django)
Integrate and serve LLMs (e.g., OpenAI, Anthropic, Hugging Face, or open-source models) in production
Collaborate with ML engineers and product teams to deliver intelligent, scalable features
Build and optimize data pipelines for inference, prompt processing, and model fine-tuning
Architect systems that balance performance, security, and maintainability
Own projects end-to-end-from architecture and implementation to testing and monitoring
5+ years of backend software development experience
Strong proficiency with Python and cloud infrastructure (AWS, GCP, or similar)
Experience deploying and working with LLMs in real-world products
Deep understanding of RESTful APIs, asynchronous programming, and containerized services (Docker, Kubernetes)
Familiarity with data pipeline tools and task queues (Airflow, Celery, etc.)
Product mindset-you think beyond code and care about usability, performance, and impact
Experience with FastAPI
Familiarity with vector databases (Pinecone, Weaviate, FAISS)
Prompt engineering or fine-tuning experience with LLMs
Background in NLP, search, or applied ML
Experience building dev tools, SaaS, or productivity platforms
💰 Competitive salary ($120K-$180K) + meaningful equity
🏡 Fully remote, flexible work environment
🏥 Comprehensive health, dental, and vision insurance
🧘 Wellness, L&D, and home office stipends
🧠 Work on cutting-edge AI systems that ship to real users
👥 Smart, low-ego team that values impact over bureaucracy
Oscar Associates Limited (US) is acting as an Employment Agency in relation to this vacancy.
...Member Service Representative VillageCareMAX 112 Charles Street, New York, NY... ...Handling incoming telephone calls and answering questions for members and providers... ...VillageCare offers a wide range of at-home and community-based services, as well as managed long-term...
...~ Health insurance ~ Paid time off ~ Vision insurance Role Overview We are looking for a highly motivated Accounts Receivable Manager to oversee the entire process of billing and collecting payments from our customers. More than just managing billing and...
...Remote Licensed Clinical Social Worker (LCSW) Wage: Between $95-$122 an hour Are you a Licensed Clinical Social Worker looking to launch a private practice, or grow your existing practice? Headway can help you earn more through insurance! Headway supports thousands...
Mercy South Neuro Stepdown Opportunities Graduate and Experienced nurses encouraged to apply here!*Residency Provided*$10,000 Sign On Bonus for RNs!$5,000 Sign On Bonus for GNs! No Contracts Mercy Hospital South Neuro Step Down (NSD)...
STS Government Solutions (SGS), LLC is seeking an Illustrator 1.What You'll Do:Duties for this position requires the use of Mac Studio... ...holidays, paid time off including sick and vacation leave, medical, dental and vision insurance, flexible spending accounts, short...