CrawlJobs Logo
LlamaIndex Logo LlamaIndex · IT - Software Development

Member Of Technical Staff, Backend

United States, San Francisco · Job Posted May 29, 2026
Apply Position
Job Link Share

Job Description

LlamaIndex's backend application platform team is hiring for an experienced (4+ years) backend engineer excited to build new features and scale out our ingestion and AI systems! LlamaIndex is backed by Greylock and has grow significantly in the last year from a combination of open source and private enterprise interest. Our teams and positions offer terrific growth and ownership opportunities as we expand our engineering team to power our next phase of growth!

Job Responsibility

  • Build out new features and scale our backend capabilities focused scaling out our core APIs
  • Work closely with prospects and customers to build production solutions.

Requirements

  • Experience with shipping completely new product features from scratch. Have gone from prototype to production serving end users in a short amount of time.
  • Shipped or otherwise interested in AI/LLM-native applications.
  • Iterated rapidly with customers or other engineers - translate user feedback into features back to proactive user discovery. Help jointly develop and iterate on product roadmap for core features.
  • Shipped applications at scale

What we offer

  • Competitive base salary and equity compensation
  • Comprehensive medical/dental/vision coverage for you and your family
  • Unlimited paid time off policy
  • Daily catered lunch and snacks in the San Francisco office
LlamaIndex - All Job Offers

Looking for more opportunities?

Search for other job offers that match your skills and interests.

Suggested Tags: Frontend Developer Secretary Talent Manager Salesforce Administrator Data Analyst
Similar Jobs for

Member Of Technical Staff, Backend

8 matching positions

Member of Technical Staff - Backend Engineer

Microsoft AI is looking for a talented Backend engineer to help build the next w...
Location
Location
United States , Redmond
Salary
Salary:
119800.00 - 234700.00 USD / Year
https://www.microsoft.com/ Logo
Microsoft Corporation
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Bachelor's Degree in Computer Science or related technical field AND 4+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience
  • 4+ years' experience building backend API for mobile apps such as GraphQL/Rest APIs/Protobuf/Thrift, and streaming protocols such as websocket/SSE/WebRTC with familiarity in backend and mobile data schema code generation or consistency, version control for mobile releases, analytics, feature flags, a/b testing framework
  • 4+ years' experience building scalable services on top of public cloud infrastructure like Azure, AWS, or GCP. Extensive use datastores like RDBMS, key-value stores, etc
  • 4+ years' experience building distributed systems at scale and extensive systems knowledge that spans bare-metal hosts to containers to networking
Job Responsibility
Job Responsibility
  • Build secure and performant APIs that power Copilot apps
  • Work collaboratively with other product engineers, Product Managers, and platform engineers to take ambiguous projects and mold them into amazing experiences
  • Ship high-quality, well-tested, secure, and maintainable code
  • Find a path to get things done despite roadblocks to get your work into the hands of users quickly and iteratively
  • Enjoy working in a fast-paced, design-driven, product development cycle
  • Embody our Culture and Values
  • Fulltime
Read More
Arrow Right

Member of Technical Staff - Backend

You are an exceptional builder who wants outsized responsibility and impact, and...
Location
Location
United States , San Francisco
Salary
Salary:
Not provided
Additive AI
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 5+ years experience working on backend systems in a meaningful ownership role for what was built and why, ideally for systems with meaningful data or ML workloads
  • Experience with ML concepts and integrating ML inference and monitoring capabilities into business applications
  • Comfortable with Python, cloud providers such as GCP/AWS, container technologies (e.g. Docker, Kubernetes, serverless platforms), and database and storage layers (e.g. Postgres, SQL, S3/GCS, Redis)
  • We’re working fully in person 5 days per week in downtown San Francisco
  • Additive can cover relocation costs for moving to the San Francisco area
Job Responsibility
Job Responsibility
  • Build the core systems that deploy our machine learning capabilities both in training and production, build metrics systems for rapid iteration and introspection, and help improve the performance of both by using your judgement to optimize for evolving technical and product requirements
  • Drive technology and architectural choices for Additive’s core services that will enable us to rapidly build and iterate on user experiences that enable our customers to do their best work
  • Design and build the integration of ML inference, monitoring systems, Large Language Model (LLM) interactions, application layers, and tax-related business logic into our core systems
  • Build out database layers supporting business logic and applications within our systems and data integration strategy with external vendor APIs and interfaces
  • Collaborate with the rest of the team on effective CI/CD systems that helps us all move faster
  • Engage directly with accountants to understand their needs and how we can best build a product that they absolutely love
  • Be expected to operate with autonomy and judgement to deliver tremendous value while working with both technical and market constraints
  • Fulltime
Read More
Arrow Right

Member of Technical Staff – Backend

As a backend engineer at Inflection, you will own the platforms, systems, and se...
Location
Location
United States , Palo Alto
Salary
Salary:
175000.00 - 350000.00 USD / Year
inflection.ai Logo
Inflection AI
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 5+ years of experience building and scaling backend systems for high-throughput applications
  • Fluent in building distributed systems with Python, Go, Rust, or similar languages
  • Comfortable with cloud-native architectures (e.g., Kubernetes, gRPC, Postgres, Redis, Kafka)
  • Owned backend services end-to-end—from design and implementation to deployment, monitoring, and debugging
  • Thrive in fast-paced environments where you can move quickly without sacrificing engineering rigor
  • Proactively improve tooling and infrastructure to support teammates’ workflows and reliability goals
  • Communicate clearly across disciplines and take pride in solving user-facing problems with clean backend solutions
  • Have a bachelor’s degree or equivalent in a related field to the offered position requirements
Job Responsibility
Job Responsibility
  • Design and implement scalable backend systems and APIs that power production LLM experiences, including agentic workflows, memory systems, and tool integrations
  • Build and operate high-availability infrastructure to support real-time inference, retrieval, and conversation pipelines
  • Develop internal platforms to improve engineering productivity—CI/CD pipelines, service templates, observability frameworks, and rollout tooling
  • Collaborate closely with applied research and frontend teams to rapidly prototype, ship, and iterate on end-user features
  • Ensure systems meet our high bar for security, uptime, and latency—through incident response, load testing, monitoring, and automation
  • Participate in on-call rotations to maintain the reliability of the services you build
What we offer
What we offer
  • Diverse medical, dental and vision options
  • 401k matching program
  • Unlimited paid time off
  • Parental leave and flexibility for all parents and caregivers
  • Support of country-specific visa needs for international employees living in the Bay Area
  • Competitive stock options
Read More
Arrow Right

Member of Technical Staff - Backend Engineer

Endor Labs is building the Application Security platform for the software develo...
Location
Location
United States , Palo Alto
Salary
Salary:
100000.00 - 150000.00 USD / Year
https://www.endorlabs.com Logo
Endor Labs
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Bachelor’s in engineering and 1-3 years of experience
  • ~1-3 years of experience in Golang programming, with a deep focus on microservices and distributed architecture
  • Build tools and tool chains familiarity: How different tool chains like Maven, pip, npm work
  • Experience with scalable distributed systems, including microservices, domain-driven design, load balancing, and scaling strategies (both horizontal and vertical)
  • Ability to discuss architectural trade-offs and guide teams towards the most effective solutions
  • Thrive in a fast-paced environment with shifting requirements, embracing change and finding creative solutions to new and unfamiliar problems
  • Leverage AI and automated code generation tools to accelerate the delivery of robust, security-hardened, and production-grade software
Job Responsibility
Job Responsibility
  • Join Our Cutting-Edge Backend Team: Dive into the heart of innovation by working on a state-of-the-art distributed system with a sophisticated monorepo architecture
  • Own Core Libraries: Take charge of enhancing and maintaining Endor's crucial GoLang libraries, including gRPC/protobuf, OpenAPI, AuthN/AuthZ, Observability, and MongoDB
  • AI Code security - Be at the forefront of securing customer code with bleeding edge AI code security solutions
  • Elevate Core Services: Drive the development and optimization of vital core services like our API Gateway and API servers
  • Maintain diverse scan environments - Enhance our dynamic cloud scan platform by supporting the ever-growing build and tool chain requirements
  • Innovate with Autonomy: Embrace the freedom to design and build top-tier tools that will be leveraged across all teams at Endor
  • Support & Enhance Monorepo: Contribute to the evolution of Endor's polyglot monorepo using Bazel
  • Champion Observability: Apply best practices in observability to ensure our products and platforms achieve exceptional reliability and availability
What we offer
What we offer
  • Additional incentives such as commission targets, restricted stock units, and/or bonuses
  • Fulltime
Read More
Arrow Right

Member of Technical Staff - AI Product - Backend Engineer

Microsoft AI is looking for a talented Backend engineer to help build the next w...
Location
Location
United States , Mountain View
Salary
Salary:
119800.00 - 234700.00 USD / Year
https://www.microsoft.com/ Logo
Microsoft Corporation
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Bachelor's Degree in Computer Science or related technical field AND 4+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience
  • Master's Degree in Computer Science or related technical field AND 6+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR Bachelor's Degree in Computer Science or related technical field AND 8+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience
Job Responsibility
Job Responsibility
  • Build secure and performant APIs that power Copilot iOS and Android apps
  • Work collaboratively with our iOS, Android engineers, Product Managers, platform engineers, data scientists and marketing to take ambiguous projects that drive user growth, engagement, and retention
  • Ship high-quality, well-tested, secure, and maintainable code
  • Find a path to get things done despite roadblocks to get your work into the hands of users quickly and iteratively
  • Enjoy working in a fast-paced, design-driven, product development cycle
  • Partner closely with data science teams to analyze user behavior to optimize product features and drive user engagement
  • Embody our Culture and Values
  • Fulltime
Read More
Arrow Right

Member of Technical Staff, Full-Stack Product

We need a full-stack engineer who can ship AI products fast and isn't afraid to ...
Location
Location
United States , San Francisco
Salary
Salary:
Not provided
llamaindex.ai Logo
LlamaIndex
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 2+ years of experience
  • Experience with shipped web applications or completely new product features from scratch. Have gone from prototype to production serving end users in a short amount of time
  • Shipped AI/LLM-native applications - from UX to core algorithms
  • Iterated rapidly with customers - translate user feedback into features back to proactive user discovery. Help jointly develop and iterate on product roadmap for core features
  • Worked with product and design, demonstrating instances of wearing the PM hat yourself to proactively scope and design features
  • Shipped applications that scaled to millions of users
Job Responsibility
Job Responsibility
  • [Primary] Front-end/full-stack work for our managed applications/SaaS offering
  • FE stack Next.JS, shadcn, react-query, etc.
  • Backend stack: Python, Node.JS, K8s, Docker, Terraform, Cloud services, databases, etc.
  • [Secondary] General feature development, maintenance, and education for our open-source frameworks (Python and Typescript)
  • [Secondary] Work closely with prospects and customers to build POC and production solutions
What we offer
What we offer
  • Competitive base salary and equity compensation
  • Comprehensive medical/dental/vision coverage for you and your family
  • Unlimited paid time off policy
  • Daily catered lunch and snacks in the San Francisco office
  • Fulltime
Read More
Arrow Right

Member Of Technical Staff - Security Engineer

Copilot is becoming an agentic system: it can plan, reason, and take actions acr...
Location
Location
United States , Redmond
Salary
Salary:
139900.00 - 274800.00 USD / Year
https://www.microsoft.com/ Logo
Microsoft Corporation
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Doctorate in Statistics, Mathematics, Computer Science, or related field AND 3+ years of experience OR Master’s Degree AND 4+ years of experience OR Bachelor’s Degree AND 6+ years of experience in security engineering, secure software development, large-scale computing, threat modeling, or applied security analytics, including experience designing or building systems to detect, prevent, or mitigate security threats, or equivalent experience.
Job Responsibility
Job Responsibility
  • Design and build secure, high‑performance platform components that support Copilot’s agentic workflows across cloud and device environments
  • Develop novel security mechanisms for agentic AI systems, including real‑time intent validation, information‑flow controls, isolation boundaries, and abuse‑resistant orchestration
  • Eliminate entire classes of vulnerabilities by creating secure‑by‑default APIs, sandboxing layers, and hardened system interfaces
  • Build and operate offensive security tooling and agents that continuously probe Copilot’s autonomy, reasoning paths, and trust boundaries
  • Partner closely with AI researchers, platform engineers, and product teams to translate research and prototypes into production‑ready security features
  • Write high‑quality, well‑tested code across backend services, platform layers, and AI‑adjacent systems
  • Use telemetry, signals, and data‑driven analysis to detect abuse, anomalous agent behavior, and emerging threat patterns
  • Navigate ambiguity, make sound engineering tradeoffs, and ship iteratively in a fast‑paced product environment
  • Contribute to a culture of high ownership, technical excellence, and inclusive collaboration.
  • Fulltime
Read More
Arrow Right

Member of Technical Staff - Fullstack Education Engineer

Empower Every Learner. Shape the Future of Education with Microsoft AI.Microsoft...
Location
Location
United States , Mountain View
Salary
Salary:
119800.00 - 234700.00 USD / Year
https://www.microsoft.com/ Logo
Microsoft Corporation
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Bachelor's Degree in Computer Science or related technical field AND 4+ years technical engineering experience with coding in languages including, but not limited to, JavaScript, TypeScript, React, CSS, Node.js
  • Experience building fullstack applications from the ground up, including architecture and deployment
  • Work in consumer-facing education products at scale
  • Working knowledge of web browsers, web protocols, UI/UX principles, application architecture, and performance profiling
  • Experience designing or implementing backend APIs, distributed systems, or service architectures
  • Demonstrated success driving growth outcomes—acquisition, engagement, retention—with concrete examples of features or systems you’ve built
  • Demonstrated written and verbal communication skills with the ability to work closely with cross-functional teams, including product managers, designers, and other engineers
  • Passion for learning new technologies and staying up to date with industry trends, best practices, and emerging technologies in mobile development and AI
  • Proven ability to collaborate and contribute to a positive, inclusive work environment, fostering knowledge sharing and growth within the team
Job Responsibility
Job Responsibility
  • Build outstanding consumer-grade web applications using modern JavaScript/TypeScript, React, CSS, Node.js, and related technologies
  • Design, build, and maintain secure, reliable, and scalable backend APIs powering Copilot’s education experiences across platforms
  • Work collaboratively with our Designers, Product Managers, and AI Researchers to take ambiguous projects and mold them into amazing experiences
  • Use data insights to analyze user behavior, inform product decisions, and identify opportunities to unlock learner motivation, mastery, and delight
  • Ship high-quality, well-tested, secure, and maintainable code across the full stack
  • Find creative paths around ambiguity and roadblocks to ship value quickly and iteratively
  • Thrive in a fast-paced, design-driven, product development environment with rapid experimentation and tight feedback loops
  • Contribute to a team culture grounded in empathy, collaboration, inclusion, curiosity, and a growth mindset
  • Fulltime
Read More
Arrow Right