CrawlJobs Logo

Senior AI Product Engineer, Fullstack

United States 125000.00 - 225000.00 USD / Year · Job Posted December 06, 2025
Apply Position
Job Link Share

Job Description

Senior AI Product Engineer, Fullstack role at Arize AI, the leading AI & Agent Engineering observability and evaluation platform. Part of the core team that drives product innovation, building tools for AI engineers to monitor, troubleshoot, and optimize their AI systems.

Job Responsibility

  • Write maintainable, scalable, and performant code across the stack primarily in Typescript and React with opportunities to work in Python and Go
  • Design and build APIs, and domain / object models specific to our customers’ Machine Learning and LLM workflows
  • Design and build out performant and reusable react components that will be used throughout the application
  • Research and implement cutting-edge visualization & dimensionality reduction algorithms in a distributed environment
  • Collaborate with our product, design, and directly with customer engineering teams to enhance and expand our product offerings
  • Contribute to the build our own in-house AI Agents
  • Participate in or lead architectural decisions for new and existing features in collaboration with product, design and our backend teams
  • Contribute to design & code reviews and technical documentation

Requirements

  • 5+ years of frontend experience working on external user-facing UI’s - preferably in React and Typescript
  • Previous experience debugging complex systems in a team environment
  • Enthusiasm and interest in the AI and LLM ecosystem, with a desire to learn and stay updated on emerging technologies
  • Previous work building and operating highly complex, high-volume SaaS platforms/systems
  • Strong sense of product ownership in order to push features over the line
  • Passion for creating beautiful UX design with the end user in mind
  • A good teammate, someone who sees supporting their team as a core part of the job

Nice to have

  • Experience working with GraphQl or a comparable API technology
  • Experience working with ML, analytics, data science or data visualization products
  • Working knowledge of Machine Learning and/or Data Science
  • First-hand experience working with large language models (LLMs) or developing AI products

What we offer

  • competitive equity package
  • comprehensive benefits package, including medical, dental, vision
  • a 401(k) plan
  • unlimited paid time off
  • a generous parental leave plan
  • additional support for mental health and wellness
  • WFH monthly stipend to pay for co-working spaces

Looking for more opportunities?

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

Similar Jobs for

Senior AI Product Engineer, Fullstack

8 matching positions

Senior Fullstack Engineer - AI

LumApps is now more than just an Employee Experience Platform — it is an AI-powe...
Location
Location
France , Lyon; Paris; Sophia-Antipolis; Tassin-la-Demi-Lune; Bordeaux
Salary
Salary:
Not provided
lumapps.com Logo
LumApps
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 6+ years of professional software engineering experience, with deep expertise in Python for backend services and solid command of TypeScript and React (v17+) on the frontend
  • Strong opinions on API design, service boundaries, component design, performance optimization, and maintainability at scale in a large monorepo
  • Comfortable building production microservices following Clean Architecture / SOLID principles — designing clear domain layers, working with relational databases (PostgreSQL, SQLAlchemy), event-driven patterns (Pub/Sub), and REST/OpenAPI contracts
  • Shipped and operated services in the cloud (GCP and/or Azure)
  • Hands-on experience or strong curiosity with agent interoperability protocols like the Model Context Protocol (MCP) and Agent-to-Agent (A2A), agent-to-UI streaming via the AG-UI protocol (SSE, WebSockets), and integrating with LLM providers such as Google Gemini and Mistral running on Vertex AI, using agentic frameworks like Google ADK or Strands Agents
  • Can design systems end-to-end
  • Thinks about functional correctness, technical scalability, and security implications simultaneously
  • Has contributed to or led significant architectural decisions in a production codebase
  • Proficient with backend unit/component/integration testing (pytest and equivalents) as well as frontend tooling (Jest, React Testing Library, Storybook, Playwright)
  • Speaks English fluently
Job Responsibility
Job Responsibility
  • Define and own the technical vision for the AI Agents tribe across the stack
  • Drive major architectural decisions — from agent communication protocols (MCP, A2A, AG-UI) and streaming patterns to data modeling, service boundaries, and state management — while tracking implications on adjacent systems and teams
  • Independently scope and implement complex end-to-end solutions, from API and data layer through to the user-facing experience
  • Identify and proactively tackle technical debt
  • Plan and execute projects that span multiple teams within the tribe
  • Partner with product and engineering leadership to translate roadmap goals into concrete technical strategies, providing reliable project estimates and owning delivery accountability
  • Define canonical patterns and lead-by-example on testing, performance, observability, and security
  • Conduct rigorous code reviews and challenge both specifications and implementations when needed
  • Mentor Software Engineers, providing actionable feedback on strategy, impact, execution, and technical depth
  • Share knowledge through engineering articles, internal presentations
What we offer
What we offer
  • Hybrid work model – 2 days at the office, 3 days remote
  • RTT days – ~10 extra days off per year
  • Meal vouchers (SWILE) + free snacks & coffee
  • Yoga classes in Paris office
  • Supportive parental leave and family moments
  • Health insurance (ALAN) – 60% covered + full life & disability cover
  • Afterworks, team celebrations & seasonal parties
  • Equipment of your choice
  • French & English lessons, professional development & access to Leeto CSE
  • Fulltime
Read More
Arrow Right

Senior Fullstack Engineer - AI group

We’re hiring a Senior Fullstack Engineer to shape the future of the enterprise b...
Location
Location
Salary
Salary:
Not provided
island.io Logo
Island
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 5+ years of experience as a Fullstack Engineer
  • Hands-on experience with cloud platforms (AWS, GCP, or Azure)
  • Strong skills in both modern frontend and backend technologies
  • Ability to thrive in fast-paced, collaborative environments
  • Passion for working with cutting-edge AI technologies
Job Responsibility
Job Responsibility
  • Shape the future of the enterprise browser with AI
  • Blend cutting-edge AI engineering with user-centric design to build intelligent, autonomous systems capable of reasoning, planning, and executing tasks across enterprise workflows
  • Transform the enterprise browser into an intelligent, proactive workspace — streamlining workflows, anticipating user needs, and boosting productivity
  • Fulltime
Read More
Arrow Right

Senior Software Engineer - FullStack Eng / AI

The 3P team brings together Uber’s products, state of the art cognitive technolo...
Location
Location
United States , Sunnyvale
Salary
Salary:
202000.00 - 224000.00 USD / Year
uber.com Logo
Uber
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Bachelors Degree, or above, in Comp Science or related field
  • Scalable system architecture design
  • Production-quality services, deployment, monitoring, and reliability.
  • Microservice designs, gRPC or REST API development
  • Ability to decompose complex business problems into clean, extensible, performant services and systems
  • Logging, monitoring, performance troubleshooting and tuning experience
  • Excellent problem-solving skills and the ability to work in a collaborative team environment
  • Comfortable in navigating multi-disciplinary teams with respect
  • Focus on code quality in terms of coverage, code reviews
  • Excellent technical writing skills to communicate design, requirements, flows, architecture
Job Responsibility
Job Responsibility
  • Creating scalable, reliable, manageable platforms that deliver on customer support requirements at Uber by leveraging AI
  • Owning customer facing platforms that impact the support experience of millions of customers
  • Leading the GenAI based support experiences as well as augmenting the existing platforms with new features and capabilities
  • Identifying required changes across Uber’s engineering ecosystem, collaborating with engineering teams, driving consensus, implementing extensible, maintainable changes required to build state-of-the-art support experiences
  • Designing and driving large projects from inception to production
  • Working with stakeholders, product managers, scientists, partner engineering teams to gather requirements and translate them into a platform feature.
What we offer
What we offer
  • Eligible to participate in Uber's bonus program
  • May be offered an equity award & other types of comp
  • Eligible for various benefits (details at provided link)
  • Fulltime
Read More
Arrow Right

Senior Fullstack Engineer - Go / React.js

Rapid7’s Metasploit team is building the future of the world’s best-known softwa...
Location
Location
United Kingdom
Salary
Salary:
Not provided
rapid7.com Logo
Rapid7
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 6+ years of experience in software development using Go, JavaScript, TypeScript and React (Next.js) or equivalent of programming languages
  • Experience with modern cloud infrastructure (AWS, GCP, or Azure)
  • Experience with design patterns
  • Experience with message queues (RabbitMQ, SQS)
  • Understanding of APIs, interprocess communication, and modern networking and deployment tooling (AWS, Docker)
  • High level of accountability and ownership, taking responsibility for outcomes and proactively drives work forward with minimal oversight
  • Leading with empathy and strong user focus
  • Ability to learn and evaluate new technologies quickly, digging into code to find answers
  • Interest in or experience with offensive security, penetration testing, or SOC analysis
  • Product driven mindset
Job Responsibility
Job Responsibility
  • Develop and enhance AI-powered applications within Metasploit ecosystem
  • Architect and implement performant, scalable, and reliable solutions that support AI-driven interactions in web development
  • Collaborate cross-functionally with researchers, engineers and product teams to push the boundaries of AI in cybersecurity
  • Ensure an exceptional user experience through user-friendly UI/UX
  • Diagnose and resolve complex issues, ensuring the reliability and performance of AI-powered products
  • Build tooling and automation to enhance incident response, developer experience, observability, and internal debugging workflows
  • Champion your teammates' successes, and support each other when needed
  • Fulltime
Read More
Arrow Right

Lead AI + Fullstack Engineer

Work on subjects surfaced by the guild, with the mission of introducing as much ...
Location
Location
Salary
Salary:
Not provided
noveogroup.com Logo
Noveo
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 5+ years of experience as a fullstack developer — React/Next.js, Node.js/NestJS, TypeScript
  • AI specialist: strong command of Claude via the Anthropic API and AWS Bedrock
  • Able to build autonomous agents, workflows, and POCs
  • Data knowledge is a strong plus (Linear extraction, ticket optimization, etc.) — not a hard requirement
  • Monorepo architecture experience — already identified as a roadmap subject
  • Genuinely passionate about AI and agentic tooling, independence, proactivity, and a high sense of responsibility
  • English close to C1 or higher
  • France time-zone, with the ability to come to the office 2 days every 2 months
Job Responsibility
Job Responsibility
  • Work on subjects surfaced by the guild, with the mission of introducing as much AI as possible into development processes, alone or with senior Engineer from the Guild
  • Co-build the AI roadmap with the CTO, then own its execution
  • Make technical recommendations and prioritize subjects — final validation stays with the CTO
  • Produce POCs and internal tooling, not product features
  • Collaborate continuously with guild developers via a weekly call and ongoing integration
What we offer
What we offer
  • A competitive salary
  • Paid vacation and sick leave
  • Working on exciting projects with a team of professionals
  • Opportunities for learning and practicing new technologies
  • internal training
  • Participating in inner meetups and permanent experience exchange with colleagues
  • Well-defined development processes and methodologies
  • English and/or French language learning for free with internal teachers within working hours
  • Reimbursement of medical fees, massage, or sports
Read More
Arrow Right

Senior Fullstack Engineer

We are partnering with a global leader in the Legal Tech Sector that is reshapin...
Location
Location
Spain , Madrid
Salary
Salary:
65000.00 - 78000.00 EUR / Year
babelprofiles.com Logo
Babel Profiles
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 6+ years in backend and full-stack development
  • Strong Proficiency in Python
  • Experience designing and consuming REST APIs and working with microservices architectures
  • Proficiency in TypeScript, Lit, Angular, React or Javascript
  • Experience with Docker, Git, and CI/CD pipelines
  • Familiar with Core Web Vitals, Lighthouse, DevTools, and Unix systems
  • Strong debugging, testing, and performance optimization skills
Job Responsibility
Job Responsibility
  • Design, develop, and maintain scalable backend systems and APIs using technologies such as Python and Flask
  • Architect and optimize distributed services, ensuring performance, reliability, and maintainability across applications
  • Collaborate with frontend engineers, product managers, and designers to deliver robust, end-to-end web solutions
  • Build and maintain integrations with headless CMS platforms (e.g., Strapi), third-party services, and internal systems
  • Ensure high code quality through automated testing, code reviews, CI/CD pipelines, and engineering best practices
  • Monitor, troubleshoot, and resolve backend performance issues, system bottlenecks, and production incidents
  • Improve system scalability, security, and observability across cloud and containerized environments
  • Contribute to infrastructure and deployment workflows using Docker, Git, and CI/CD tools
  • Support frontend integration needs while maintaining a strong focus on backend architecture and service reliability
What we offer
What we offer
  • Competitive Salary of EUR 65,000 -78,000K
  • Hybrid model with lots of flexibility
  • Collaborative, multicultural team environment
  • Mental health and well-being support
  • Career growth, leadership mentoring, and ownership of core systems
  • Projects with real-world impact in the legal tech space
  • Access to innovative tools and a fast-paced, mission-driven environment
  • Fulltime
Read More
Arrow Right

Senior Fullstack Engineer

Senior Full-stack Product Engineer role at an AI-first company focused on transf...
Location
Location
Czechia , Brno; Prague
Salary
Salary:
Not provided
productboard.com Logo
ProductBoard
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 5+ years of professional engineering experience
  • 4+ years of professional experience building and maintaining production systems at scale
  • Strong backend development skills in Python, Kotlin, or Java, with experience designing and evolving service-level logic and infrastructure
  • Working proficiency in React and TypeScript, with the ability to contribute meaningfully to frontend implementation and UX polish
  • Proven ability to own features end-to-end across backend and frontend systems
  • Experience delivering projects iteratively in cross-functional teams
  • Familiarity with tools like PostgreSQL, Kafka, GraphQL, and AWS
  • Experience mentoring other engineers and helping uplift team-wide engineering quality
  • Clear communication skills - especially when explaining technical trade-offs and collaborating across functions
  • A pragmatic, product-focused mindset - you care about delivering impact, not just elegant code
Job Responsibility
Job Responsibility
  • Take full ownership of features and platform capabilities, working across backend (Python/Kotlin) and frontend (React/TypeScript) layers to deliver end-to-end solutions
  • Lead the delivery of complex or ambiguous full-stack projects, breaking down problems, scoping technical work, and shipping iteratively
  • Work primarily in Python and Kotlin-based services to build reliable, scalable, and maintainable internal systems
  • Contribute to platform-wide efforts like authentication, permissions, notifications, and shared UI patterns
  • Collaborate with product managers and designers to define technical solutions that balance speed, scope, and user experience
  • Write high-quality, well-tested code across both frontend and backend codebases
  • Mentor junior and mid-level engineers through pairing, design reviews, and technical feedback
  • Make our codebase AI-ready: define clear module boundaries, improve API contracts, add semantic context, and build the structured documentation that makes AI agents more effective across every repo
  • Design and implement agent workflows that go beyond chat: multi-step reasoning, tool use, autonomous task execution, and human-gated checkpoints
  • Run experiments, validate with real users, and iterate based on evidence. We measure learning velocity, not just output
What we offer
What we offer
  • Stock options
  • MacBook + 34″ monitor
  • Budget for online courses, books, and conferences
  • 5 weeks of vacation + 9 sick days
  • Volunteer Days for you to help causes close to your heart
  • Carrot Fertility Benefits
  • Free snacks, drinks, and yummy catered lunches
  • MultiSport card to access sports facilities
  • Flexible working hours and home office
  • Parental benefits
  • Fulltime
Read More
Arrow Right

Senior Fullstack Engineer

SCAYLE is one of the fastest-growing enterprise commerce platforms worldwide, em...
Location
Location
Germany , Hamburg or Berlin
Salary
Salary:
70000.00 - 85000.00 EUR / Year
aboutyou.de Logo
About You
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Minimum of 5 years experience as a Fullstack Engineer
  • Experience with Django 5. X, Tailwind, HTMX, or other lightweight JS frameworks (or motivation to learn them)
  • Experience in working with Postgresql, Redis, or equivalent data storage
  • Passionate about writing well-structured, efficient, and maintainable code, actively keeping the quality of the code base in check
  • Used to work in an English-speaking environment
  • Fluent German communication skills (C1-Level)
Job Responsibility
Job Responsibility
  • Design and deploy innovative features for the Seller Center to enhance the online retail experience
  • Collaborate with product managers, UI/UX designers, and fellow engineers to brainstorm and create effective solutions
  • Utilize the SCAYLE platform to manage product and order information efficiently
  • Enhance application performance through strategic SQL Query optimizations
  • Engage in code reviews to uphold high standards of code quality and foster ongoing improvement
  • Offer technical support, and troubleshooting issues to ensure consistent service for users
  • Explore AI-supported features to streamline workflow processes
What we offer
What we offer
  • Hybrid working
  • Fresh fruit every day
  • Sports courses
  • Free access to code.talks
  • Exclusive employee discounts
  • Free drinks
  • Language courses
  • Laracast account for free
  • Company parties
  • Help in the relocation process
  • Fulltime
Read More
Arrow Right