Senior Fullstack Engineer for AI Platform & Workflows

lilt-corporate; United States; Vor Ort; USD 120.000 - 180.000; Vollzeit

Zusammenfassung

LILT is seeking a senior software engineer in the United States to own end-to-end production systems on our AI-powered translation platform. You will develop across Python backend, React frontend, and data pipelines, influencing long-term architecture and tooling for hundreds of external contributors.

Join a fast-growing team delivering scalable workflows, robust QC, and seamless API integrations with leading AI services.

Qualifikationen

• 5+ years of professional full-stack software engineering experience, with a track record of owning production systems end-to-end across more than one runtime/language.
• Deep experience with a Python backend framework (FastAPI or comparable) plus async SQLAlchemy/Postgres, alongside production experience in at least one statically-typed backend language (Go, Java, or similar).
• Strong React/TypeScript frontend experience - component architecture, state management (Zustand, Redux, or similar), and a modern data-fetching layer (TanStack Query or comparable).
• Experience building and operating background job/worker systems (queue-driven or polling-based) with failure tolerance and idempotency in mind.
• Experience integrating with third-party and platform APIs - including the GitHub API, OAuth/OIDC SSO, and at least one LLM API (Gemini, OpenAI, or similar) - handling auth, rate limits, and webhook-driven sync.
• Experience building Slack (or comp

Aufgaben

• Translate new benchmark and data-quality requirements into scoped technical designs.
• Own the internal workforce-management tools on our internal platform for AI delivery for hundreds of external contributors: vetting flows, candidate assessment, QC, payment/delivery tracking, and roster/reporting exports.
• Own architecture and long-term technical direction across multiple services and the platform.
• Extend IAA and audio-QA pipelines: annotator outlier detection, ASR sidecar enhancements, LLM-based QC, and DNSMOS/librosa audio-quality scoring.
• Design and ship new modules on the platform that plug new benchmark and vetting workflows into the existing multi-stage review lifecycle.
• Own and extend the platform's API key provisioning and budget-governance system.
• Build self-serve ChatOps-style automation for the internal engineering org and contributor base to enable accelerated annotator workflows and query resolution.
• Harden background worker and job-processing infrastructure.
• Set and enforce testing, CI/CD, and deployment practices across both codebases - from unit/integration testing through infrastructure-as-code and release automation.
• Raise the technical bar for a small, high-leverage team through code review, design docs, and mentoring as the surface area grows.

Kenntnisse

Full-stack engineering

Python (FastAPI)

Async SQLAlchemy

React/TypeScript

Background jobs

API integration

Tools

GitHub API

OAuth/OIDC

LLM APIs

Jobbeschreibung

LILT is seeking a senior software engineer in the United States to own end-to-end production systems on our AI-powered translation platform. You will develop across Python backend, React frontend, and data pipelines, influencing long-term architecture and tooling for hundreds of external contributors.

Join a fast-growing team delivering scalable workflows, robust QC, and seamless API integrations with leading AI services.