Full Stack AI developer

Zoho; Polska; Hybrid; PLN 180.000 - 320.000; Vollzeit

Zusammenfassung

Ayrin Digital is seeking a Full Stack Software Engineer who operates like a product builder—not just a feature implementer. You will work across frontend, backend, and infrastructure with a strong focus on building AI-powered systems.

This high-ownership role expects a strong product mindset and the ability to turn ideas into production-ready solutions, delivering scalable features end-to-end and collaborating closely with product teams.

Qualifikationen

• Strong experience with React, Next.js, Node.js, and NestJS.
• Experience with APIs, microservices, and distributed systems.
• Cloud infrastructure knowledge (AWS).
• Hands-on experience with LLMs, prompt engineering, and model evaluation.

Aufgaben

• End-to-end development across UI to deployment.
• Collaborate with Product Owners and SMEs.
• Develop frontend and backend features with AI focus.
• Build AI-powered features with AI workflows.

Kenntnisse

React

Next.js

Node.js

NestJS

PostgreSQL

APIs

Microservices

Distributed systems

AWS

LLMs

Prompt engineering

Model evaluation

Performance optimization

Multi-model orchestration

RAG pipelines

Product mindset

Usability focus

Product collaboration

AI-integration

Tools

Claude

OpenRouter

LangChain

n8n

Jobbeschreibung

Ayrin Digital is a technology partner for companies ready to take control of their digital future. We believe the wrong technology stack doesn't just slow you down—it puts your strategy at risk. That’s why we help organizations transition from reactive growth and fragmented systems to confident, AI-driven operations.

Our Mission:To empower teams with AI-native systems that deliver predictable results, ensuring our clients own their stack, simplify their data, and govern their own roadmaps.

Our Services:

• Strategy:AI Governance and Value Architecture.
  

Data:Integration, Warehousing, and Model Readiness.

Intelligence:Embedded Agents and Decision Systems.

Interface:Human-in-the-Loop Workflows and Dashboards.

Life at Ayrin Digital:We are a team of builders, thinkers, and problem solvers who value proof over promises. Our culture is built on transparency and speed; we work in focused sprints to deliver outcomes that stakeholders can measure. If you are passionate about building scalable architecture (from 5 users to 5 million) and creating tools that drive real-world impact, Ayrin Digital is the place to be. We don't just write code; we build victories for our clients.

Job Description

This is a remote position.

Ayrin Digital is looking for a Full Stack Software Engineer who operates like a product builder—not just a feature implementer.

This role is ideal for someone who is comfortable working across frontend, backend, infrastructure, and collaborating on product development, with a strong focus on building AI-powered systems.

You will be expected to bring a strong product mindset and take ideas from concept to production-ready solutions.

This is a high-ownership role where engineering, product thinking, and AI expertise come together.

Key Responsibilities:

1. End-to-End Development

• Build scalable, production-ready features across the stack
  
• Own delivery from UI → backend → deployment
  
• Work closely with Product Owners and SMEs
  
• Contribute to improving usability, performance, and business outcomes
  

3. Full Stack Development

• Frontend: React, Next.js
  
• Cloud: AWS
  

4. AI-Powered Systems

• Build AI-driven features that deliver real value
  
• Design AI workflows using LLMs and automation tools
  

5. AI Development & Optimization

• Implement AI skills and workflows
  
• Work with tools like Claude, OpenRouter, LangChain, n8n
  
• Optimize latency, cost, and performance
  
• Integrate multiple AI models where needed
  

6. AI-Enabled Engineering

• Use AI tools to accelerate development
  
• Design flexible, scalable systems
  
• Balance speed with long-term maintainability
  

Requirements

Required Skills:

Core Engineering

• Strong experience with:
  • React, Next.js
    
  • Node.js, NestJS
    
  • PostgreSQL
    
• Experience with APIs, microservices, distributed systems
  
• Strong understanding of AWS or cloud infrastructure
  

AI / ML Expertise

• Hands-on experience with LLMs
  
• Experience with:
  • Prompt engineering
    
  • Model selection & evaluation
    
  • Performance & cost optimization
    
• Familiarity with:
  • Claude, OpenRouter, LangChain
    
  • Multi-model orchestration
    
• Experience building AI systems in production
  

Product Mindset

• Strong focus on usability and product quality
  
• Ability to convert ideas into working solutions
  
• Experience collaborating with product teams
  

AI-Enabled Development

• Understanding of where AI adds value
  

Nice to Have:

• Experience with CrewAI or similar frameworks
  
• Exposure to Hugging Face / open-source LLMs
  
• Experience with RAG pipelines and vector databases
  
• CI/CD, DevOps, observability
  
• Startup / 0→1 product experience
  
• Polyglot experience (Python, Java, .NET)
  

What Success Looks Like:

• Delivering high-quality, AI-enabled features end-to-end
  
• Translating product ideas into shipped solutions
  
• Building scalable systems
  
• Driving effective use of AI across engineering
  

Why Join Us:

This role is at the intersection of engineering and product innovation. You’ll work on building real-world AI-powered products and have a direct impact on business outcomes.