Invirial

Joined in 2026

🚀 Who We Are
Invirial is a Full-Stack & AI Engineering agency. For 14 years, we’ve been helping tech companies launch new products, modernize legacy monoliths, and ship production-ready AI features that actually scale.

We pair deep senior engineering judgment with cutting-edge, AI-enhanced workflows. This allows our teams to move at lightning speed without ever compromising on code quality. Whether we’re partnering with visionary founders to ship their MVP, helping fast-growing scale-ups outgrow their stack, or modernizing enterprise legacy systems - we deliver engineering that lasts.

🧰 Key Industries & Our Expertise

We maintain a deep, specialized focus on high-impact, complex domains: Fintech, Real Estate, Retail, and SaaS.

Mobile & Web Development (architecting scalable, bulletproof systems)
AI Solutions & Services (while others talk about AI, we are busy deploying it to production)
Blockchain (building secure, decentralized applications)
UI/UX Design (crafting intuitive, beautiful, and user-centric digital experiences)

🧬 Our DNA: The Values We Actually Live By

We don’t believe in micro-management. We believe in autonomy and trust. We look for like-minded individuals who resonate with our culture.

Openness: We share information freely and speak up when something isn't working. Feedback goes both ways.

Flexibility: Plans change. We adjust fast and treat shifts in scope or direction as a chance to find a better path.

Responsibility: Every person on the team is accountable for their decisions, their work, and the impact they have on the final result.

Versatility: We combine diverse skills and perspectives, enabling us to adapt quickly and tackle complex challenges from multiple angles.

Proactivity: We recognize opportunities and exploit them. We spot gaps early and act before they turn into problems.

Curiosity: We dig into new tools, methods, and industries because deeper understanding leads to better work.

Website:

https://invirial.com

AI Product Engineer

Invirial

$$$

Part-time · Full Remote · Ukraine · 3 years of experience · English - B1

We are looking for an AI Product Engineer to design, build, and ship cutting-edge AI systems from initial concept to robust production deployment. If you excel at building agentic workflows, optimizing RAG pipelines, managing LLM latency and costs, and actively leverage modern AI coding tools like Cursor or Claude Code in your daily development, we’d love to have you on our team! Hourly-based work! Responsibilities: Architect and implement AI features end-to-end—from technical design through to...

We are looking for an AI Product Engineer to design, build, and ship cutting-edge AI systems from initial concept to robust production deployment. If you excel at building agentic workflows, optimizing RAG pipelines, managing LLM latency and costs, and actively leverage modern AI coding tools like Cursor or Claude Code in your daily development, we’d love to have you on our team!

Hourly-based work!

Responsibilities:

Architect and implement AI features end-to-end—from technical design through to production launch.
Integrate LLMs and external AI APIs, handling streaming, structured outputs, retries, fallback strategies, and function/tool calling.
Build and optimize RAG systems for private data (ingestion pipelines, chunking strategies, embeddings, vector search, and reranking).
Develop AI agents and multi-step workflows utilizing tools, MCP (Model Context Protocol), or Agents SDKs.
Establish AI evaluation (evals) and monitoring tools, implement guardrails, and control for performance, speed, cost, and security.

Requirements:

Production experience with Python and/or TypeScript developing backend services and APIs (FastAPI or Node.js).
Hands-on experience integrating major LLM APIs (OpenAI, Anthropic, Gemini, Bedrock, or similar), including streaming, structured output, retries, and tool/function calling.
Practical production experience with prompt engineering and RAG architecture (chunking, embeddings, vector databases, retrieval, and reranking).
Experience developing AI agents, multi-step agent workflows, MCP, or function-calling systems.
Proven track record with AI evaluations, monitoring, guardrails, latency/cost optimization, testing, Git, and CI/CD pipelines.
Hands-on, daily experience using AI coding tools (Claude Code, Cursor, Codex, GitHub Copilot, etc.) on real production codebases - including rigorous code review and refinement of generated code.

What We Offer

Work from Anywhere (Fully Remote): Setup your workspace wherever you feel safest, happiest, and most productive.
Control Your Day: Structure your working hours around your lifestyle and team syncs.
Time to Recharge: 20 paid day-offs per year + 11 official public holidays in Ukraine.
5 fully paid sick days: no questions asked, so you can focus entirely on recovering when you're under the weather.
Master your English with company-sponsored English courses, ensuring you feel perfectly confident collaborating with our clients.
Upskilling Allowance: We fully reimburse educational courses and certifications that align with your professional goals and our business growth.

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