SERHANT.

Senior Full Stack Engineer

SERHANT.

full-time

Posted on:

Location Type: Remote

Location: United States

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Job Level

Senior

Tech Stack

GraphQLJavaScriptNext.jsNode.jsPostgresPythonReactReact NativeSvelteTypeScriptVue.js

About the role

  • Build and ship features across frontend and backend systems
  • Move seamlessly between Next.js, SvelteKit, and Hono depending on what the problem requires
  • Work with Postgres as the primary data layer, designing schemas and optimizing queries
  • Write TypeScript across the stack - React/Svelte on the frontend, Hono/Node.js services on the backend
  • Contribute Python services where appropriate
  • Write technical specifications that define APIs, data models, and UI behavior before coding
  • Use AI-assisted development tools to increase velocity and code quality
  • Collaborate with product and design to translate requirements into working software
  • Participate in code reviews, architecture discussions, and technical planning
  • Improve developer experience through tooling, documentation, and automation
  • *The company reserves the right to add or change duties at any time.

Requirements

  • 5+ years of professional software engineering experience across frontend and backend
  • Framework fluency - you pick up new frameworks quickly and don’t have strong allegiances; moving from Next.js to SvelteKit to Hono feels natural, not stressful
  • Strong TypeScript proficiency - it’s your primary language
  • Experience with multiple frontend frameworks (React, Svelte, Vue - you’re not married to one)
  • Familiarity with lightweight API frameworks like Hono, Express, or Fastify
  • Deep Postgres experience - you understand indexing, query optimization, and schema design
  • Familiarity with event-driven architectures and message queues
  • Heavy daily use of AI coding assistants - you’ve developed workflows that make you faster
  • Hands-on experience with frontier LLMs beyond surface-level prompting
  • A spec-driven approach - you define what you’re building with precision before you start
  • Experience with Expo/React Native
  • Background with GraphQL, serverless architectures, or ClickHouse
  • Background in real estate, marketplaces, or consumer products
  • Contributions to internal tooling or developer productivity.
Benefits
  • Health insurance
  • Paid time off
  • Flexible working arrangements
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
TypeScriptNext.jsSvelteKitHonoPostgresPythonReactExpoGraphQLserverless architectures
Soft Skills
collaborationtechnical planningcode reviewsdocumentationautomationproblem-solvingadaptabilityspec-driven approach