Back-end Developer with AI Experience

SigmaSoftware2

Kraków, Lesser Poland Voivodeship, Poland Remote permanent

Posted: March 24, 2026

Required Skills

Job Description

Are you passionate about building intelligent systems that transform industries? We are looking for a Software Engineer to join our team and work on cutting-edge AI-powered solutions in the logistics domain.

This is a remote position, offering flexibility and the opportunity to collaborate with international teams. We at Sigma Software value innovation, quality, and teamwork, and provide our specialists with challenging projects and professional growth opportunities.

Why join us? You will work on impactful AI-driven products, gain exposure to advanced technologies, and be part of a company that supports continuous learning and career development.

CUSTOMER

Our customer is one of Europe’s leading logistics providers, headquartered in Germany. They specialize in developing and implementing integrated supply chain systems, leveraging advanced data analytics to optimize logistics operations. Recognized for innovation and efficiency, they deliver solutions that enhance operational performance across diverse industries.

PROJECT

The project focuses on developing advanced data products, including an AI assistant capable of performing analysis and providing insights based on user queries. The team is also building tools to support the client’s internal processes, integrating AI/ML models into production systems, and designing AI-powered features such as chatbots and recommendation engines.

• Design, develop, and maintain backend services using TypeScript/JavaScript and Node.js
• Integrate AI/ML models into production environments to support business processes
• Build and orchestrate AI pipelines that consume model outputs and deliver actionable insights
• Develop AI-powered features such as chatbots and recommendation engines
• Collaborate closely with cross-functional teams to ensure seamless integration of AI solutions into applications
• Participate in architectural discussions and contribute to solution design
• Ensure high-quality code through testing, reviews, and adherence to best practices
• Communicate effectively with stakeholders and team members to align on requirements and deliverables

• 3–4 years of development experience with TypeScript/JavaScript technology stack
• Proven experience with Node.js 
• Basic experience with Python
• Hands-on experience integrating AI/ML models into production systems
• Experience building backend services that consume AI outputs and orchestrate AI pipelines
• Experience designing AI-powered features such as chatbots or recommendation engines
• Familiarity with integrating LLMs into applications
• Strong communication and multitasking skills
• Strong problem-solving and decision-making abilities with a focus on results
• Upper-Intermediate level of English

WILL BE A PLUS

• Experience with React

PERSONAL PROFILE

• Motivated, self-driven, and positive individual
• Strong communication skills
• Ability to multitask and manage priorities effectively
• Skilled in solving complex problems under tight deadlines
• Passionate about leveraging technology to deliver impactful results

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