Senior Platform Engineer – AI Platform

This is a fully remote position, open to applicants in Washington.

📋 Description

• Develop AI features from start to finish, encompassing retrieval, context engineering, structured output, tool/function calling, and evaluation harnesses.

• Design and manage multi-agent and multi-step orchestration systems that include task decomposition, tool routing, state and memory management, retries, fallbacks, human-in-the-loop checkpoints, and guardrails.

• Manage non-deterministic systems utilizing tracing, CI evaluations, prompt and model versioning, token and latency budgets, model routing, and cost controls.

• Oversee ECS container platform operations, which involve service definitions, task sizing, autoscaling, blue/green deployments, and orchestration for long-running services and asynchronous workers.

• Design AWS infrastructure utilizing event-driven and serverless pipelines with Lambda, SQS/SNS, and EventBridge.

• Administer IAM and network design as part of infrastructure as code.

• Develop and enhance services within the production PHP codebase.

• Seamlessly integrate AI capabilities into existing product interfaces without causing instability.

• Enhance database performance at scale through schema design, indexing, replication and read scaling, zero-downtime migrations, and query performance optimization across MySQL and Aurora.

• Contribute through code reviews, design documentation, mentorship, incident response, and participation in on-call duties.

⛳️ Requirements

• Over 10 years of experience in building and managing production software, demonstrating real ownership of systems at scale.

• Practical experience in delivering LLM-backed features, including agent orchestration, RAG, evaluation, and operational support.

• Proficient in PHP 8.x within a mature, high-traffic codebase.

• Extensive experience in AWS architecture with hands-on ECS operations.

• Familiarity with infrastructure as code using Terraform or CDK.

• Experience with CI/CD processes.

• Expert-level skills in relational databases such as MySQL and/or Aurora.

• Ability to interpret execution plans to enhance database performance.

• Strong foundational knowledge in distributed systems, API design, observability, and application security.

• Excellent written communication skills and sound judgment regarding technical trade-offs.

• Preferred qualifications: Knowledge of Go, MCP or equivalent agent-tooling standards, vector search and embedding pipelines, Kubernetes, document and image extraction pipelines, or experience in the real estate/proptech/field-services domain.

• Must be eligible to work in the United States; Porch Group does not accept applicants from Alaska, Delaware, Hawaii, Mississippi, Nebraska, Montana, New Hampshire, West Virginia, or the District of Columbia for remote roles.

🏝️ Benefits

• Long-term incentive awards, contingent upon program guidelines and approvals.

• Comprehensive coverage for health, life, and financial wellbeing.

• Three options for medical plans.

• Two dental plan options and one vision plan.

• Voluntary plans for Critical Illness, Hospital Indemnity, and Accident coverage.

• Partially employer-funded Health Savings Account.

• Flexible Savings Accounts for healthcare, dependent care, and transportation expenses.

• Company-sponsored Basic Life and AD&D insurance.

• Short- and Long-Term Disability benefits.

• Voluntary Life and AD&D insurance options.

• Traditional and Roth 401(k) plans with discretionary employer matching.

• Employer-funded Supportlinc wellbeing program offering meditation, mindfulness, mental health coaching, clinical care, and confidential resources.

• LifeBalance discounts on gym memberships, travel, appliances, movies, pet insurance, and more.

• Flexible paid vacation policy.

• Company-paid holidays, usually amounting to nine each year.

• Paid sick leave.

• Paid parental leave.

• Identity theft protection program.

• Travel assistance services.

• Fitness and other discount programs.

• Remote work opportunities.