Back End Developer, AI

🕒 July 24

🇪🇺 Europe – Remote

⏰ Full Time

🟡 Mid-level

🟠 Senior

🔙 Backend Engineer

👻 Ghost score 39%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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OnHires

WebsiteLinkedInAll Job Openings

11 - 50 employees

Founded 2020

🎯 Recruiter

👥 HR Tech

🤝 B2B

Recruitment • HR Tech • B2B

OnHires is a global IT recruitment and staffing partner that sources, vets, and places technical and creative talent for fast-growing companies. They provide services including vetted developers, sourcing, executive search, talent mapping, RPO, HR consulting, and flexible hiring models (subscription, pay-per-hire, hourly), with a focus on fast, high-quality hires and scalable talent pipelines.

📋 Description

• Design and build backend services for AI-powered product features • Develop inference pipelines and orchestration layers around LLMs • Create reliable APIs used by web, desktop, and mobile applications • Optimize latency, throughput, caching, batching, and streaming • Build monitoring, logging, alerting, and observability across production services • Debug distributed systems and improve platform reliability • Work closely with product, infrastructure, and AI engineers to continuously improve performance

🎯 Requirements

• Strong backend engineering experience in production environments • Experience building high-throughput, low-latency distributed systems • Excellent Python skills; Node.js is a plus • Hands-on experience deploying and operating services on Kubernetes and Docker • Experience with SQL and NoSQL databases • Familiarity with modern AI infrastructure, including LLM inference, embeddings, or multimodal models • Pragmatic engineering mindset focused on shipping reliable software • Nice to have: experience with OpenAI, Anthropic, or open-source LLMs • Nice to have: experience building AI orchestration or agent workflows • Nice to have: knowledge of inference optimization techniques • Nice to have: experience operating AI services at scale

🏖️ Benefits

• Cash + equity • Remote work arrangement