Senior / Staff Product Engineer (AI) Job at Linear

Senior Staff Machine Learning Engineer (AI Agent)

At Cresta, the AI Agent team is on a mission to create state-of-the-art AI Agent...

Location

United States; Canada

Salary:

Not provided

Cresta

Expiration Date

Until further notice

Requirements

Bachelor’s Degree in Computer Science, Mathematics, or a related field
Master’s or Ph.D. preferred, or equivalent professional experience
7+ years of hands-on industry experience with AI and machine learning
3+ years of experience working with LLMs in large-scale production environments
Expert knowledge of machine learning concepts and methods, especially those related to NLP, Generative AI, and working with LLMs
Proven leadership in designing and deploying AI solutions at scale
Extensive practical knowledge of modern machine learning frameworks and technologies (e.g., PyTorch, Tensorflow, Hugging Face, NumPy)
Experience with distributed systems and cloud-based AI infrastructure
Strong problem-solving and strategic thinking abilities
Proven ability to lead cross-functional teams and work collaboratively to deliver innovative AI solutions in production

Job Responsibility

Design, develop, and deploy Cresta’s AI Agent solutions and proprietary models
Focus on practical AI challenges such as improving reasoning, planning capabilities, and evaluation in real-world scenarios
Collaborate with cross-functional teams including front-end and back-end software engineers to integrate AI Agents into Cresta’s customer solutions
Lead initiatives to scale AI systems for production environments, ensuring performance and reliability across use cases
Contribute to solving cutting-edge problems in AI and help define the future roadmap for Cresta’s AI Agents
Innovate and research ways to improve security, cost-efficiency, and reliability of AI systems

What we offer

Variety of medical, dental, and vision plans
Paid parental leave
Monthly Health & Wellness allowance
Work from home office stipend
Lunch reimbursement for in-office employees
PTO: 3 weeks in Canada
Base salary, equity, and a variety of benefits

Fulltime

Senior / Staff Software Engineer (Product)

Koah Labs is building the ad network to power the next generation of AI-native p...

Location

United States , San Francisco

Salary:

150000.00 - 300000.00 USD / Year

Koah Labs

Expiration Date

Until further notice

Requirements

Have experience building and scaling production quality systems and experiences
Are comfortable working across the stack, tackling new tasks out of your comfort zone, and can handle ambiguity
Work well in-person and enjoy fast feedback loops
Enjoy breaking down problems and testing your hypotheses
Get excited about end-to-end ownership within high agency environments
Have been a startup founder or an early-stage engineer

Job Responsibility

Lead initiatives across the stack, with high agency in product direction and technical design
Dive deeply into technically challenging and rewarding work, whether it is optimizing our matching algorithms or creating world class experiences that reach millions of users
Partner with cross functional stakeholders in data and GTM to drive product direction that our customers need
Embrace an experimentation mindset - we are constantly trying to learn about how users are interacting with AI-native products, and use data from these experiments to drive our work.

What we offer

Meaningful Equity
Offers Bonus

Fulltime

Senior / Staff Product Engineer (AI)

At Linear, we are on a mission to bring magic back to software. To empower produ...

Location

United States

Salary:

Not provided

Linear

Expiration Date

Until further notice

Requirements

Experience building and deploying AI systems to production
Work with product and design to prototype and iterate on intelligent workflows and user interactions
Design backend services to power natural language interfaces, smart suggestions, agentic workloads
Optimize prompts, fine-tune model behavior, and evaluate performance
Help to guide our agent platform
Contribute to the architecture for AI-integration infrastructure that’s reliable and privacy-aware
Tech: TypeScript and Node.js for backend services
GraphQL APIs and WebSocket-based real-time sync
Public and private AI models
temporal for async workloads

Job Responsibility

Build AI-powered product features that feel native, fast, and delightful to use
Work with product and design to prototype and iterate on intelligent workflows and user interactions
Design backend services to power natural language interfaces, smart suggestions, agentic workloads, and more
Optimize prompts, fine-tune model behavior, and evaluate performance
Help to guide our agent platform, allowing third parties to bring agents into the core Linear experience as teammates
Contribute to the architecture for AI-integration infrastructure that’s reliable and privacy-aware

What we offer

Interesting and challenging work
Work-life balance
Competitive salary and equity
Employee-friendly equity terms (early exercise, extended exercise)
Paid lunch and coffee during workdays
Work remotely, no commuting to the office
Paid co-working space/desk at an office
Health, dental, and vision insurance (US)
Regular team events and off-sites
5 weeks of paid vacation

Fulltime

Senior Staff Product Designer

Join the QuickBooks Workforce Solutions team as a Senior Staff Product Designer....

Location

United States; Canada , Mountain View; San Diego; Toronto

Salary:

184500.00 - 262500.00 USD / Year

Intuit

Expiration Date

Until further notice

Requirements

Experience designing products with high degrees of complexity and cross-product interdependencies
Navigating spaces, and 0-1 products that are ambiguous and require a high degree of cross-team coordination
Has the ability to bring various stakeholders, getting their feedback, and bringing them all together to create amazing products
Portfolio that demonstrates products with complex end-to-end thinking and dependencies
Has experience working in an environment of lightweight and rapid experiments and iterations
Has worked in environments of experimentation where product goals may not have a clearly defined end state
Worked (even briefly) with or in large enterprises so the pace of working with these companies is not foreign
Experience working in organizations with robust design systems
Has worked on products from concept to code (end-to-end)
Comfortable with user research (running user tests & analyzing data, experience with evaluative and generative research)

Job Responsibility

Own the end-to-end design efforts for complex products
Providing design leadership within a team by collaborating with product managers, analysts, researchers, writers, and engineering partners to create outstanding customer experiences
Deliver multiple projects simultaneously through robust communication and time management skills
Participate in and analyze extensive customer research to identify insights that will ultimately provide customer value and delight
Leverage iterative prototyping to quickly test concepts and learn from customers
Drive design decisions through data by partnering with our analytics team
Participate in and promote a culture of detailed feedback rooted in first principles, design rationale, customer data, and industry best practices
Effectively present and communicate your designs and rationale to a wide range of stakeholders, including senior management
Provide mentorship to junior designers from a craft, and cross-discipline partnership perspective

What we offer

cash bonus
equity rewards
benefits

Senior Staff Machine Learning Engineer

Help design our AI platform and develop our next generation of machine learning ...

Location

United States , San Francisco

Salary:

216500.00 - 324500.00 USD / Year

GoFundMe

Expiration Date

Until further notice

Requirements

9+ years of hands-on experience in machine learning engineering, AI development, software engineering, or related fields
Experience emphasizing secure, large-scale, distributed system design, AI/ML pipeline development, and implementation
Extensive experience designing, developing, and operating scalable backend systems
Experience applying software engineering best practices such as domain-driven design, event-driven architectures, and microservices
Deep expertise in agentic workflows, AI evaluation solutions, prompt management, and secure AI development and testing practices
Strong knowledge of relational and document-based databases, data storage paradigms, and efficient RESTful API design
Experience establishing robust CI/CD pipelines, automated testing (unit and integration), and deployment practices
Strong leadership skills, including effective planning and management of complex projects, mentoring of team members, and fostering a collaborative, high-performing engineering culture
Excellent communicator, able to articulate complex technical concepts clearly to both technical and non-technical stakeholders
Bachelor's degree in Computer Science, Software Engineering, or a related technical field (preferred)

Job Responsibility

Design and implement AI platforms to enable scalable and secure access to LLMs from multiple model providers for diverse use cases
Design and implement agentic workflows, agentic tool ecosystems, and LLM prompt management solutions
Design, build, and optimize scalable model training, fine tuning, and inference pipelines, ensuring robust integration with production systems
Influence technical strategy and approach to developing embedding stores, vector databases, and other reusable assets
Lead initiatives to streamline ML and AI workflows, improve operational efficiency, and establish standardized procedures to achieve consistent, high-quality results across our AI systems
Design and develop backend services and RESTful APIs using Python and FastAPI, integrating seamlessly with ML pipelines and services
Take operational responsibility for team-owned services, including performance monitoring, optimization, troubleshooting, and participation in an on-call rotation
Collaborate with both technical and non-technical colleagues, including data and applied scientists, software engineers, product managers, and business stakeholders, to deliver reliable and scalable ML-driven products
Coach and mentor fellow ML engineers, promoting a culture of collaboration, continuous improvement, and engineering excellence within the team
Employ a diverse set of tools and platforms including Python, AWS, Databricks, Docker, Kubernetes, FastAPI, Terraform, Snowflake, Coralogix, and GitHub to build, deploy, and maintain scalable, highly available machine learning infrastructure

What we offer

Competitive pay
Comprehensive healthcare benefits
Financial assistance for things like hybrid work, family planning
Generous parental leave
Flexible time-off policies
Mental health and wellness resources
Learning, development, and recognition programs

Fulltime

LLM - Senior Staff Engineer - Python + Machine Learning

AquSag is seeking a hands-on Machine Learning Senior Staff Engineer to lead cros...

Location

Salary:

40.00 - 60.00 USD / Hour

AquSag Technologies

Expiration Date

Until further notice

Requirements

9+ yrs of strong background in Machine Learning, NLP, and modern deep learning architectures (Transformers, LLMs)
Hands-on experience with frameworks such as PyTorch, TensorFlow, Hugging Face, or DeepSpeed
Hands-on experience in Docker for Production deployment
Proven experience managing teams delivering ML/LLM models in production environments
Knowledge of distributed training, GPU/TPU optimization, and cloud platforms (AWS, GCP, Azure)
Familiarity with MLOps tools like MLflow, Kubeflow, or Vertex AI for scalable ML pipelines
Excellent leadership, communication, and cross-functional collaboration skills
Bachelor’s or Master’s in Computer Science, Engineering, or related field (PhD preferred)
Overlap of 6 hours with PST time zone is mandatory
Commitments Required: 8 hours per day with overlap of 6 hours with PST

Job Responsibility

Lead and mentor a cross-functional team of ML engineers, data scientists, and MLOps professionals
Oversee the full lifecycle of LLM and ML projects — from data collection to training, evaluation, and deployment
Collaborate with Research, Product, and Infrastructure teams to define goals, milestones, and success metrics
Provide technical direction on large-scale model training, fine-tuning, and distributed systems design
Implement best practices in MLOps, model governance, experiment tracking, and CI/CD for ML
Manage compute resources, budgets, and ensure compliance with data security and responsible AI standards
Communicate progress, risks, and results to stakeholders and executives effectively

Fulltime

Manager, Software Engineering - Expressive AI

The Expressive AI team is responsible for applying generative AI models to desig...

Location

United States , New York

Salary:

250000.00 - 350000.00 USD / Year

Figma

Expiration Date

Until further notice

Requirements

4+ years of experience hiring and leading teams as an engineering manager
Ability to think strategically about engineering and product roadmaps, on both short and longer term time horizons
Demonstrated experience applying advancements in AI from both engineering and product perspectives, with a specific focus on LLMs, diffusion models, and image/video generation
Proven leadership in building high-performing, highly engaged engineering teams, with a strong track record of motivating, mentoring, and guiding senior engineers while hiring top industry talent
Exceptional ability to work cross-functionally across Product, Design, and Marketing, as well as collaborating with other engineering teams to ship both customer and internal-facing projects
A strong sense of technical curiosity, a willingness to learn and grow alongside your team, and a genuine passion for design and craft

Job Responsibility

Partner with Product and Design to build and execute a long-term roadmap that delivers a world-class user experience for designers in Figma
Work closely with cross-functional partners and engineering teams to push the boundaries of what’s possible through the application of AI to creative problems
Hire, manage, support, and develop a team of engineers, including staff level engineers
Establish trust within and across teams by creating accountability and a positive work environment in partnership with other organizational leaders
Grow your career within an engaged and creative engineering community
Help drive initiatives through hiring, community events, and cross-functional programs across Figma

What we offer

equity
health, dental & vision benefits
retirement with company contribution
parental leave & reproductive or family planning support
mental health & wellness benefits
generous PTO
company recharge days
a learning & development stipend
a work from home stipend
cell phone reimbursement

Fulltime

Senior Engineering Manager - Support Platform

Join Intercom as a Senior Engineering Manager and lead teams at the heart of our...

Location

Ireland , Dublin

Salary:

Not provided

Intercom

Expiration Date

Until further notice

Requirements

Minimum 5+ years of experience leading engineering teams building and delivering customer-facing software products
Proven ability to lead multiple teams or broad product areas, aligning work across complex domains
A hands-on leader who brings clarity, context, and energy — ready to roll up your sleeves, dive deep, and stay close to the work and your teams, not just manage from a distance
Thrives in ambiguous, fast-paced environments, providing stability, structure, and momentum
Strong product mindset and customer obsession — you think in terms of customer problems, measurable outcomes, and business impact
Comfortable being the sole directly responsible individual (DRI) for your area, taking full ownership of outcomes and stepping confidently into product-thinking shoes when needed
Outcome-driven and an unblocker by nature — you take ownership of problems, remove barriers proactively, and relentlessly drive your teams toward success. You’re energized by achieving results and seeing impact
Eager to directly work with customers, and skilled at turning customer feedback and data into actionable insights and impactful product decisions
Passionate about building high-autonomy, high-accountability teams that consistently deliver exceptional customer outcomes
This is an AI-first role with a high bar for excellence. We expect you to be fluent in using AI tools to solve problems, accelerate output, and inspire others to do the same — helping shape a culture that embraces AI as a core advantage

Job Responsibility

Own one of Intercom’s largest and most complex product areas end-to-end — setting vision, priorities, and measurable outcomes
Work directly with customers and internal functions (including Sales, GTM, and Customer Support) to deeply understand their needs and translate insights into impactful product solutions
Act as the single accountable owner for your product area — comfortable being directly responsible for roadmap, execution, and results, and not shy about stepping into product-thinking shoes when needed
Drive clarity and alignment across teams, balancing near-term delivery with long-term product strategy
Continuously raise the bar for quality, reliability, and customer experience within your teams and beyond
Partner closely with Staff and Principal Engineers to shape direction, architecture, and execution
Coach and grow engineers and emerging leaders, supporting their development and helping them deliver exceptional outcomes
Foster a culture of ownership, accountability, and autonomy, enabling your teams to move fast and deliver meaningful results
Contribute to Intercom’s engineering culture, helping evolve how we build customer-driven software across the organization

What we offer

Competitive salary and equity in a fast-growing start-up
We serve lunch every weekday, plus a variety of snack foods and a fully stocked kitchen
Regular compensation reviews - we reward great work!
Pension scheme & match up to 4%
Peace of mind with life assurance, as well as comprehensive health and dental insurance for you and your dependents
Flexible paid time off policy
Paid maternity leave, as well as 6 weeks paternity leave for fathers, to let you spend valuable time with your loved ones
If you’re cycling, we’ve got you covered on the Cycle-to-Work Scheme. With secure bike storage too
MacBooks are our standard, but we also offer Windows for certain roles when needed

Fulltime

Senior / Staff Product Engineer (AI)

Linear

Location:
United States

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Additional Information:

Job Posted:
January 11, 2026

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