Frontend React/Next.js Developer with AI Mindset

Frontend React/Next.js Developer with AI Mindset

About Blazity

At Blazity, we are a team of AI engineering experts building AI-powered products, agents, and intelligent workflows on top of modern web technologies. We partner with enterprise clients as trusted technology advisors, helping them build scalable products that combine exceptional user experiences with cutting-edge AI capabilities.

We believe the best frontend engineers today are AI-native engineers. They don't just use AI tools to write code — they understand how AI products work, how LLM-powered features are designed, and how to deliver reliable experiences for real users.

We're looking for a Frontend React/Next.js Developer with an AI mindset who wants to work on products at the intersection of modern frontend engineering and generative AI.

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About the Project

You'll join a team working with a leading enterprise AI platform helping organizations evaluate, monitor, and improve the reliability and performance of AI systems deployed in production environments.

This is a client-facing role. You'll collaborate directly with client engineers, product teams, and stakeholders while helping deliver business-critical solutions. Excellent communication skills and fluent English are essential, as you'll participate in technical discussions and day-to-day collaboration with international teams.

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Must-have Technical Skills

• 3–5 years of commercial experience building applications with React, Next.js, and TypeScript.

• Strong understanding of modern Next.js development, including App Router.

• Good understanding of React Server Components and Server Actions.

• Experience building and maintaining production-grade web applications.

• Experience integrating AI-powered functionality into products.

• Hands-on experience with OpenAI and/or Anthropic APIs.

• Familiarity with:

  • streaming responses,

  • structured outputs,

  • tool calling,

  • prompt engineering fundamentals.

• Experience working with Git and modern CI/CD workflows.

• Experience using AI-assisted development tools such as Claude Code, Cursor, Windsurf, GitHub Copilot, or similar.

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Soft Skills

• Strong communication skills and active listening.

• Ability to work directly with clients and stakeholders.

• Ownership mindset and proactive approach to problem-solving.

• Ability to collaborate effectively within cross-functional teams.

• Adaptability and willingness to learn new technologies.

• English at C1 level or higher (written and spoken).

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Nice-to-Have

• Experience with Vercel AI SDK.

• Experience with MCP (Model Context Protocol).

• Exposure to Agent SDKs.

• Experience building RAG-based solutions.

• Previous experience in consulting environments.

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What You Will Do

Build Modern Applications

• Develop and maintain scalable applications using React, Next.js, and TypeScript.

• Deliver high-quality, maintainable, and performant frontend solutions.

• Collaborate with designers, engineers, and product stakeholders.

Build AI-Powered Features

• Integrate OpenAI and Anthropic models into production applications.

• Develop AI-powered workflows and user experiences.

• Implement streaming, tool usage, and structured outputs.

Collaborate with Clients

• Participate in technical discussions and project workshops.

• Work directly with client stakeholders and engineering teams.

• Help translate business requirements into technical solutions.

Grow as an AI Engineer

• Learn modern AI engineering practices from experienced team members.

• Gain hands-on experience building real-world AI-powered products.

• Contribute to projects at the forefront of AI adoption.

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What Makes Us Special?

📈 Our team has a genuine impact on the company’s decisions and direction.

✨ No bureaucracy – we keep things simple and efficient.

🗺️ 100% remote work from Poland.

⏳ Flexible working hours.

🤝 Open communication and continuous feedback.

🏥 Health insurance fully covered by us.

🏃 Sports card fully covered by us.

🌴 29 paid days off.

🍕 Team gatherings and social events.

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Employment Details

B2B: 80–120 PLN net + VAT / hour

Location: 100% remote from Poland