Mainstay

Product Designer

• Lead the design strategy and execution for one or more core product workstreams.
• Collaborate with product, engineering, and other partners to translate business needs into clear, scalable user experiences.
• Conduct user research and synthesize insights to inform design direction.
• Create prototypes and high-fidelity mockups in Figma that communicate design intent effectively.
• Extend and evolve our design system to improve consistency and efficiency.
• Mentor designers and help shape Mainstay’s design culture.
• Explore how AI and automation can thoughtfully enhance user experience and workflow efficiency.

Staff Product Designer

Operations

• Own outcomes for one business line, including KPIs such as cost per unit, cycle time, forecast accuracy, and NPS; set targets and publish variance drivers monthly.
• Work cross functionally w/ departmental leaders to own the P&L performance of the business line.
• Run the operating cycle end to end: annual/quarterly planning, resource prioritization, OKRs, risk register, and executive readouts.
• Stand up standard work and SOPs across markets; roll out workflow/BI/LLM-assisted tooling with training and adoption plans.
• Define the experimentation framework: success criteria, guardrails/sample sizes, decision gates, and how wins graduate to BAU.
• Build the analytics backbone with Data: metric definitions, lineage, access controls, and a single source of truth.
• Create mechanisms that scale: intake and triage, change management, incident playbooks, and weekly business reviews with owners and due dates.
• Partner with Product and Engineering on roadmap trade-offs; write decision briefs with options, risks, and decision owners to secure alignment fast.
• Lead and develop a small BizOps team; run hiring loops, calibrations, and growth plans tied to observable behaviors.
• Meet with institutional customers regularly and convert structured insights into prioritized backlog items with owners and timelines.

Director of Operations, Design & Strategy

Full-stack Engineer

• Contribute to all phases of product development, from ideation and prototyping to implementation and iteration.
• Build and evolve both frontend product experiences and backend services that power them.
• Design reliable and scalable backend services to support new features in production.
• Modernize and automate legacy workflows in the real estate industry.
• Define and ship useful features in partnership with cross-functional teams.
• Mentor and support the growth of other engineers on the team.
• Collaborate closely with product managers, designers, and operators to identify and solve customer pain points.

Software Engineer

Technical Recruiter

• Partner closely with the Talent Acquisition Manager to ramp on company, products, and hiring priorities
• Run calibration checkpoints in the first 2 weeks with the TA Manager to align on target candidate profiles
• Build targeted lists of AI/ML engineering talent across LinkedIn, GitHub, arXiv, Google Scholar, conference speaker lists, and AI communities
• Craft and send compelling outreach that resonates with senior engineers and builders in AI/LLM
• Pre-qualify candidates by validating technical background, location, eligibility, compensation, and credibility of work (e.g., GitHub, publications, shipped projects)
• Track pipeline activity in Ashby ATS and provide standardized weekly sourcing updates
• Share market insights on AI/ML talent pools, compensation, and competitor hiring strategies
• Assist with other high-priority searches (such as Product Design) if needed
• Execute outbound sourcing and conversion to move candidates into interview stages
• This is a 6-week contract (~20 hrs/week) where speed, precision, and quality are critical

Senior Technical Sourcer

• Contribute to all phases of product development, from ideation and prototyping to implementation and iteration
• Build and evolve both frontend product experiences and backend services that power them
• Design reliable and scalable backend services to support new features in production
• Modernize and automate legacy workflows in the real estate industry
• Define and ship useful features in partnership with cross-functional teams
• Mentor and support the growth of other engineers on the team
• Collaborate closely with product managers, designers, and operators to identify and solve customer pain points
• Shape solutions from the ground up, own backend and frontend design, automate complex workflows, and apply user feedback
• Help set technical direction for the team and turn big ideas into products that create real impact for customers and the business

Senior Software Engineer

• Own and lead design strategy for core product workstreams, from early discovery through to delivery
• Mentor and support other designers
• Collaborate with PMs, engineers, data teams and operations to translate business opportunities into user centered designs
• Conduct user research and synthesize insights
• Develop high fidelity prototypes
• Contribute to and extend our design system
• Define how AI and emerging technologies are applied in product

• Mainstay: market intelligence platform for buying, managing, and selling homes in the single-family rental industry, aggregating and standardizing data from 50+ sources
• Role: Senior full-stack software engineer focused on Applied AI, designing, building, and shipping AI-powered workflow management systems and tools
• Responsibilities include fine-tuning and optimizing models, designing retrieval pipelines and guardrails, building scalable backend services, and creating user-facing product experiences
• Work closely with product managers, designers, and operators to bring AI features from idea to launch while balancing innovation with stability
• Monitor LLM performance, safety, and cost in production; tune prompts and implement retrieval strategies such as RAG and vector stores; mentor other engineers

Staff Product Designer

Director of Operations, Design & Strategy

Software Engineer

Senior Technical Sourcer

Senior Software Engineer

Staff Product Designer

Senior Software Engineer, Applied AI