Fullstack Engineer (Node.js/React)

Why Join Us

At Cloudfide, we engineer solutions where data truly becomes an accelerator for innovation. We build and evolve large-scale Big Data and cloud-native platforms for global clients, including leaders in retail and the Fortune 500. We process massive, complex datasets, operate fully in the cloud ecosystem, and work with the latest technologies, including AI, ML, MLOps, and modern data architectures.

Our projects have measurable, real-world impact, from enhancing customer experiences at scale to empowering data-driven decision-making in high-visibility global organizations. As we continue to grow, you'll have the opportunity to shape solutions, mentor others, drive architecture decisions, and take ownership of strategic initiatives.

Opportunity Overview

As an AI Engineer, you will design and build AI agents and agentic workflows that automate complex processes for a Fortune 500 client. You'll combine hands-on LLM engineering with solid software development, building custom agents, tools, and integrations that bring real value to everyday work.

Expect an AI-forward environment where experimentation is encouraged and your proactivity is genuinely valued. You'll join a team of passionate engineers who value technical excellence, collaboration, and continuous growth.

Your Responsibilities

• Designing, building, and maintaining AI agents and agentic workflows, including those based on GitHub Agentic Workflows.
• Developing custom agent skills, tools, and integrations with internal and external systems.
• Building and maintaining Model Context Protocol (MCP) servers to connect agents with data sources and services.
• Applying core LLM concepts (prompt and context engineering, tool calling, retrieval, evaluation) to deliver reliable, high-quality agent behavior.
• Developing backend services in Node.js and user-facing components in React to support and expose agent capabilities.
• Translating business requirements into well-structured technical tasks and delivering features end-to-end.
• Monitoring, testing, and iterating on agent performance, quality, cost, and safety.
• Conducting code reviews and contributing to documentation and best practices.
• Sharing knowledge about AI tooling and agentic patterns, contributing to a collaborative learning culture within the team.

What We're Looking For

• Experience designing and building AI agents and agentic workflows, preferably with GitHub Agentic Workflows.
• Strong understanding of core LLM concepts, such as prompting, context windows, tool/function calling, RAG, and evaluation.
• Experience developing and maintaining custom AI agents, custom skills, tools, and integrations.
• Hands-on experience with Model Context Protocol (MCP) servers.
• Solid software engineering background with practical experience in Node.js and React.
• Familiarity with Git, CI/CD pipelines, and modern development workflows.
• Proactive and curious mindset, comfortable working in dynamic, fast-evolving project environments.
• Fluent English communication, able to collaborate effectively across international teams.

Nice to Have

• Experience with Python, especially FastAPI.
• Experience with Vue.js.
• Familiarity with MS Azure services.
• Knowledge of security best practices for LLM-based applications.

Here's why you'll love Cloudfide

Professional Growth

• Annual 2,000 PLN development budget
• Access to e-learning platforms
• Real opportunities to expand responsibility and lead initiatives; most of our Leads come from internal promotions
• As the company continuously grows, you get real opportunities to expand your responsibilities, explore new areas, and even take ownership of your own initiatives.

Work Environment

• Long-term cooperation: B2B (we value stable, lasting relationships)
• Remote-first, work from anywhere in the world (workation)
• Flexible hours & strong focus on work-life balance
• Collaboration with top engineers you can truly learn from
• Flat structure: every voice counts, and you help shape the company

Culture & Integration

• Company-wide trips (including international ones)
• Team integration budgets
• Open communication and supportive, passionate teams

Equal Opportunities

CLOUDFIDE is an Equal Opportunity Employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.