Backend Engineer

Job not on LinkedIn

🕒 September 4

🇷🇸 Serbia – Remote

⏰ Full Time

🟡 Mid-level

🟠 Senior

🔙 Backend Engineer

👻 Ghost score 30%

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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Sowelo Consulting sp. z o.o. sp. k.

WebsiteLinkedInAll Job Openings

11 - 50 employees

💼 Consulting

📦 Logistics

📣 Marketing

Consulting • Logistics • Marketing

Sowelo Consulting sp. z o. o. sp. k. is a recruitment consulting firm based in Krakow, Poland, established in 2007. It specializes in providing tailored recruitment solutions including Recruitment Process Outsourcing (RPO), Executive Search, and IT Contracting across various sectors such as IT/Telco, Renewable Energy, and Finance. The company offers services like Talent Market Mapping, Recruitment Process Assessment, and Employer Branding to enhance recruitment efficiency and attract potential employees, clients, and investors. With a large database and a focus on strategic recruitment consulting, Sowelo Consulting helps businesses find skilled professionals to enhance their workforce.

📋 Description

• Build and operate scalable backend systems serving AI-powered features in production • Design high-performance inference pipelines, orchestration workflows, and clear service boundaries around ML models • Own system health and observability, including performance monitoring, structured logging, alerting, and incident response • Optimize latency and throughput through intelligent caching, request batching, and response streaming • Collaborate with client and machine learning engineers to deliver stable, high-efficiency APIs for mobile and desktop applications • Own the inference and orchestration layer powering intelligent features across client platforms

🎯 Requirements

• Proven background in core backend software engineering within production environments • Python and Node.js experience • Infrastructure experience with Docker and Kubernetes • Practical experience building and maintaining high-throughput, low-latency distributed microservices • Solid understanding of modern AI inference patterns, including LLMs, vector embeddings, and multimodal architectures • Hands-on experience debugging and profiling complex distributed systems under heavy load • Familiarity with commercial AI APIs such as OpenAI and Anthropic • Familiarity with self-hosted open-source models • Production-focused mindset with a bias toward shipping, observing live system behavior, and iterating quickly

🏖️ Benefits

• Significant equity • High compensation flexibility • Fully remote work • Global team • Strong ownership • Visible impact • Opportunity to work with a small founding team • High-caliber engineering environment • Greenfield AI email product built from scratch