AI Engineer – Fullstack

🕒 September 4

🇵🇱 Poland – Remote

💵 zł16.5k - zł28k / month

⏳ Contract/Temporary

🟡 Mid-level

🟠 Senior

🤖 AI Engineer

👻 Ghost score 3%

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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CodiLime

WebsiteLinkedInAll Job Openings

201 - 500 employees

Founded 2011

🤝 B2B

📡 Telecommunications

🔧 Hardware

B2B • Telecommunications • Hardware

CodiLime is a software and network engineering services company that partners with networking hardware vendors, software providers, and telecommunications firms to create proofs-of-concept, develop new products, and support production environments. Founded in 2011 and grown to 300+ employees, the company specializes in network automation, low-level systems programming, observability, DevOps, and cybersecurity, serving clients worldwide (US, Japan, Israel, Europe). CodiLime primarily operates as a B2B service provider to tech startups and large industry players.

📋 Description

• Develop features across the full stack, with strong expertise in either React/TypeScript UI or Python (FastAPI)/Node.js services • Work with Product Managers and Designers to turn product requirements and designs into production-ready software • Own features end to end, from implementation through release, instrumentation, and iteration • Build and integrate generative AI features connecting LLMs with enterprise data, APIs, and internal tools • Design prompts, tool calls, workflow orchestration, context management, guardrails, and human review • Evaluate AI workflows and monitor quality, latency, cost, and failure rates • Use AI coding assistants while validating generated output and helping build automated quality gates • Participate in code reviews and identify architectural and AI reliability risks • Document data flows, API contracts, and AI workflow behavior • Write and optimize SQL against PostgreSQL and contribute to schema and data-model decisions • Apply security-first thinking across UI, API, and AI workflow layers, including tenant isolation, RBAC, and least-privilege access • Collaborate with product managers, designers, engineers, data scientists, and client-facing stakeholders on an enterprise commercial execution platform

🎯 Requirements

• 6+ years of professional experience in fullstack web development • Strong experience in either React / TypeScript UI engineering or Python (FastAPI) / Node.js backend development • Hands-on experience integrating LLM APIs into production applications, including prompt design, tool/function calling, and safe handling of non-deterministic output • Daily experience using AI coding assistants such as Claude Code, Codex, or similar • Strong SQL and relational database knowledge, preferably PostgreSQL • Experience with APIs, authentication, authorization, OAuth 2.0, JWT, and RBAC • Understanding of multi-tenant SaaS application security • Experience with Docker and Kubernetes • Ability to evaluate AI features and monitor quality, latency, cost, and reliability • Strong communication skills • Good knowledge of English, minimum C1 level

🏖️ Benefits

• Flexible working hours and approach to work: fully remotely, in the office or hybrid • Professional growth supported by internal training sessions and a training budget • Solid onboarding with a hands-on approach • A great atmosphere among professionals who are passionate about their work • The ability to change the project you work on