5 staff full stack engineer jobs at 3 companies in Wheeling, WV

PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
6d
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Staff Full Stack Engineer
Pittsburgh, Pennsylvania, United States
OnsiteFull Time
Gather AI
Gather AI: Autonomous drone-powered inventory monitoring for industrial warehouses.
8+ YOE8+ years building production software; deep hands-on experience with Python, Go, Node.js, PostgreSQL, Kubernetes on Azure, APIs/integrations, CI/CD, observability, and customer-facing technical collaboration.
Python, Go, Node.js, PostgreSQL, Kubernetes, Azure, REST, protobuf, OAuth, SFTP, IPSec, Claude
1mo
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Staff Software Engineer (Pittsburgh)
Pittsburgh, Pennsylvania, United States
$210k-$260k/yr HybridFull Time
Gray Swan AI
Gray Swan AI: Provides security and threat detection for AI deployments.
Full-time, senior full-stack engineer with solid frontend and backend experience; proficient in TypeScript/JavaScript, frontend frameworks (React, Vue, or Svelte), and backend APIs; familiar with MongoDB and cloud deployments.
TypeScript, JavaScript, Svelte, React, Vue, Node.js, FastAPI, MongoDB, Cloud Platforms
2mo
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Staff Software Engineer
Draper or Toronto or Pittsburgh or Cork
$153k-$294k/yr OnsiteFull Time
Proofpoint: Provides cybersecurity solutions for email, cloud, and data protection.
8+ YOE8+ years building production backend or full-stack systems; strong Python, Postgres, API integration with OAuth; experience with distributed/asynchronous systems; leadership in technical execution.
Python, PostgreSQL, SQL, AWS, Docker, React, TypeScript
3w
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Staff AI Research Engineer
New York or Pittsburgh
$221k-$331k/yr OnsiteFull Time
Duolingo
DuolingoNASDAQ: DUOL: Mobile application for language learning and basic education.
Proven AI research engineering experience across LLMs, bandits, and ML stack (feature engineering, training, fine-tuning, RL, evaluation, deployment, monitoring); leadership and mentoring experience; advanced degree or equivalent experience.
LLMs, bandit models, large-scale neural network models
3w
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Staff AI Research Engineer
New York City or Pittsburgh
$221k-$331k/yr OnsiteFull Time
Duolingo
DuolingoNASDAQ: DUOL: Mobile application for language learning and basic education.
Proven AI/ML research engineering experience with LLMs and bandit models; experience across ML stack including feature engineering, training/fine-tuning, reinforcement learning, deployment, monitoring; leadership and mentoring experience; advanced degree or equivalent.