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Core Competencies
Role fitCore Competencies
Use this summary to align your resume positioning with the role.
Demonstrates expertise in building and maintaining scalable mortgage technology platforms, with a strong focus on Ruby on Rails, React, and TypeScript. Proficient in leading technical design, managing integrations, and ensuring security and correctness in multi-tenant environments.
Highest-signal resume keywords
Ruby On RailsReactTypeScriptGraphQLAI-Assisted Engineering
ATS Keywords
Tailor your resumeApplicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard Skills
API DevelopmentPostgreSQLBackground JobsEvent-Driven SystemsDesign DocumentationTechnical Debt ReductionData MappingAsynchronous WorkflowsSecurity Best PracticesThird-Party Integrations
Soft Skills
MentoringCollaborationIncident ResponseCommunication
Tools & Technologies
RabbitMQAWSDockerElasticsearchRedisCI/CDSidekiqApollo
Industry Keywords
Mortgage TechnologyLOS SystemsRegulated IntegrationMismo Standards
Tech Stack
Tools & technologiesApolloAWSDockerElasticSearchGraphQLJavaScriptNode.jsPostgresRabbitMQReactRedisRSpecRubyRuby on RailsSOAPTypeScript
About the role
Key responsibilities & impact- Partner with the CTO, founders, and executives to build and scale the mortgage technology platform
- Design, build, and maintain features across Rails API services, TypeScript/Node services, a GraphQL gateway, and React frontends
- Own integrations with LOS systems, mortgage insurance providers, document vendors, and e-sign vendors
- Handle data mapping, synchronization, reconciliation, retries, and idempotency
- Design and evolve asynchronous, multi-step workflows using RabbitMQ, SNS/SQS, Sidekiq, and saga-style orchestration
- Maintain correctness and security of the multi-tenant platform
- Lead technical design through design documents and architecture decision records
- Identify and reduce technical debt while improving service boundaries, module design, testing, and developer experience
- Conduct code reviews and establish engineering standards
- Participate in on-call, lead incident response, and implement root-cause fixes
- Use and improve observability tools and CI/CD
- Investigate lender-reported escalations and external LOS synchronization problems with Customer Support & Success
- Partner with Product Managers to refine requirements and identify edge cases
- Collaborate with UI/UX Designers on polished, accessible interfaces
- Mentor engineers through pairing, code reviews, design feedback, and AI-assisted workflows
- Lead AI-assisted engineering using Claude Code, Cursor, and Codex
- Build and maintain shared AI tooling, agent instruction files, reusable skills and prompts, MCP servers, and automated workflows
- Establish AI-use guardrails to protect secrets and customer data
Requirements
What you’ll need- 7+ years building and running production web applications
- Deep experience with Ruby on Rails, including API-only services, ActiveRecord, PostgreSQL, background jobs, and RSpec
- Experience shipping UI with React and TypeScript
- Experience with GraphQL; Apollo ideally
- Experience building distributed, event-driven systems
- Knowledge of retries, idempotency, and eventual consistency
- Experience with third-party integrations, including REST, SOAP, webhooks, and partner APIs
- Strong security and multi-tenant data isolation instincts
- Advanced daily use of AI and agentic coding tools
- Ability to structure context for agents and verify their output
- Ability to write design documents and explain production incidents to non-engineers
- Willingness to participate in on-call, incident response, observability, and blameless postmortems
- Bonus: mortgage technology or regulated integration-heavy domain experience
- Bonus: familiarity with LOS platforms such as Encompass, MortgageBot, or Byte, or MISMO standards
- Bonus: Node.js/TypeScript services, Elasticsearch, Redis, Docker, AWS, CI/CD, saga or workflow orchestration patterns
- Bonus: mentoring engineers and leading cross-team projects
Benefits
Comp & perks- PTO as needed
- Comprehensive insurance coverage
- 401(k) match
- Stock option grants
- Stock purchase plan
- Work from the PLACE you work best: at home, in an office, or on the move