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Ethos

Senior/Staff Full Stack Engineer

Ethos

Senior/Staff Full Stack Engineer building AI-augmented features at Ethos, focusing on Go backend services and React/TypeScript frontend development.

Posted 7/27/2026full-timeRemote • 🇺🇸 United StatesSenior💰 $150,000 - $190,000 per yearWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in Full-Stack Development with a focus on Go and React/TypeScript, leveraging AI tools for enhanced productivity. Proven ability to lead technical initiatives, ensure high-quality code, and effectively communicate across teams in a dynamic environment.

Highest-signal resume keywords
Full-Stack DevelopmentGo ProgrammingReact/TypeScript ProficiencyAI Development ToolsAPI Design Skills

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
Full-Stack DevelopmentGo ProgrammingReactTypeScriptAPI DesignUnit TestingIntegration TestingCI/CDSystem DesignCode Quality
Soft Skills
Clear CommunicationCollaborationMentoringOwnershipAutonomy
Tools & Technologies
Claude CodeCursorCopilotCachingConnection PoolingRate LimitingBackpressureIdempotencyResilient RetriesObservability Hooks
Industry Keywords
Enterprise-Scale SoftwareStartup EnvironmentProduct-Mindful DevelopmentTechnical LeadershipSafe Rollout/Rollback Patterns

Tech Stack

Tools & technologies
GoGRPCReactTypeScript

About the role

Key responsibilities & impact
  • Full-Stack Feature Delivery: Build end-to-end features spanning Go services and React/TypeScript UI; own features from requirements through deployment and post-release iteration.
  • AI-Augmented Development: Use AI coding tools (Claude Code, Cursor, Copilot, etc.) as daily workflow tools; build and improve agentic workflows and AI-powered product features.
  • Performance & Reliability: Improve latency/throughput; apply caching, connection pooling, rate limiting, backpressure, idempotency, and resilient retries.
  • Quality by Default: Raise the bar on testing (unit/integration/e2e), code quality, observability hooks, and safe rollout/rollback patterns.
  • Technical Leadership: Lead design reviews, mentor teammates, and drive consistent standards.

Requirements

What you’ll need
  • 5+ years building enterprise-scale software systems with full-stack experience.
  • Active, fluent use of AI development tools as part of your daily workflow.
  • Strong Go skills (or deep experience with another typed backend language, and ability to ramp quickly in Go).
  • Proficiency with React/TypeScript or equivalent modern frontend framework.
  • Strong API design skills (REST/gRPC).
  • Product-mindful: translate user stories into technical plans and make pragmatic trade-offs.
  • Demonstrated excellence in system design, testing strategy, CI/CD, and code quality.
  • Clear communication and collaboration across engineering and product.
  • Comfortable in a startup environment—ownership, autonomy, and bias for delivery.

Benefits

Comp & perks
  • Competitive base salary (Senior: $150k-$190k; Staff: $170k-210k) based on location and experience with significant equity upside
  • Subsidized health insurance
  • 401(k)
  • life insurance
  • cell phone stipend.
  • Remote-first culture with up to 10% travel for offsites.