Expert Fullstack Engineer (AI)

TL;DR

Expert Fullstack Engineer (AI): Designing, developing, and maintaining scalable full-stack applications using React, Node.js, and Python with an accent on tracking and analyzing massive real-time data for major publishers. Focus on integrating AI/ML capabilities, building agentic workflows, and shaping core platform architecture in a fast-paced startup environment.

Location: Remote from Poland

Company

hirify.global is a custom product engineering company that partners with multinational organizations and scaling startups to solve complex business challenges.

What you will do

• Design, develop, and maintain scalable full-stack applications using React, Node.js, and Python.
• Develop the core product offering implemented to track and analyse billions of events on websites and apps.
• Develop integrations with Supply-Side Platforms (SSPs) and Demand-Side Platforms (DSPs).
• Integrate AI/ML capabilities into the platform, including LLM APIs and on-premise model deployments.
• Build agentic workflows and AI-powered automation to enhance platform capabilities.
• Collaborate with product, data science, and engineering teams to deliver end-to-end solutions.

Requirements

• 5+ years of professional software development experience.
• Strong proficiency in JavaScript/TypeScript, React, and Node.js.
• Solid experience with Python for backend development and data processing.
• Experience building high-performance, low-latency distributed systems.
• Strong understanding of RESTful APIs, microservices architecture, and cloud platforms (AWS/GCP).
• Experience with databases (SQL and NoSQL) and data streaming technologies.
• Excellent problem-solving skills and ability to work autonomously.

Culture & Benefits

• Work alongside top professionals in a friendly, open-door environment.
• Opportunity to take on large-scale projects with global impact.
• Access to tailored learning opportunities like internal events, Udemy, language courses, and company-paid certifications.
• Full remote working possibilities.
• Company-paid medical insurance, mental health support, and financial & legal consultations.