Product Support Engineer (AI/LLM)

Remotestar; Cambourne; Hybrid; GBP 80,000 - 100,000; Full time

Job summary

A leading technology firm is seeking a proactive Product Support Engineer to provide technical support for AI solutions. This temporary position involves troubleshooting APIs, helping customers maximize product value, and maintaining high satisfaction. Candidates should possess strong technical skills, especially in Python, and have a degree in Computer Science. Competitive salary starting from €45,000 and flexible working hours are offered.

Benefits

Competitive salary starting from €45,000

Two unique bonuses: signing and retention

Relocation package

Flexible working hours

International exposure in a multicultural environment

Qualifications

• Strong technical background with experience in troubleshooting APIs, SDKs, or software integrations.
• Familiarity with AI/ML concepts, particularly Large Language Models and model deployment.
• Excellent communication and problem-solving skills; able to explain technical concepts to non-technical users.

Responsibilities

• Become an expert in all our client’s products.
• Provide first-line technical support for complex issues.
• Investigate and resolve customer-reported issues.

Skills

Troubleshooting APIs

Familiarity with AI/ML concepts

Proficiency in Python

Excellent communication skills

Problem-solving

Education

Bachelor’s degree in Computer Science or related field

Tools

Zendesk

Jira

Job description

Overview

At RemoteStar, we're currently hiring for one of our client based in Spain.

About client :

Well-funded and fast-growing deep-tech company founded in 2019. We are the biggest Quantum Software company in the EU. They are also one of the 100 most promising companies in AI in the world (according to CB Insights, 2023) with 150+ employees and growing, fully multicultural and international.

About the Role:

We are seeking a proactive and technically skilled Product Support Engineer to join our team on a temporary basis (contract) and provide customer-facing technical support for our compressed Large Language Models (LLMs) and API services.

You will be the first point of contact for technical inquiries, troubleshooting, and guidance, helping customers maximize value from our AI solutions. This is a unique opportunity to work with cutting-edge AI technology, ensure high customer satisfaction, and contribute to the success of a major new initiative.

Responsibilities

• Become an expert in all our client’s products
• Provide first-line technical support with a variety of complexity, from simple billing or account questions for individuals to complex, incident-level issues and debugging
• Investigate and resolve customer-reported issues by reproducing problems and identifying root causes.
• Collaborate with engineering teams to escalate and resolve complex technical problems.
• Assist customers with API integration, usage, and best practices for performance and reliability.
• Document common issues, solutions, and best practices in a customer knowledge base.
• Communicate clearly and empathetically with customers, ensuring high satisfaction and trust.

Required Qualifications

• Strong technical background with experience in troubleshooting APIs, SDKs, or software integrations.
• Familiarity with AI/ML concepts, particularly Large Language Models and model deployment.
• Proficiency in Python and experience with APIs.
• Excellent communication and problem-solving skills; able to explain technical concepts to non-technical users.
• Bachelor’s degree in Computer Science, Engineering, or related field; or equivalent practical experience.

Preferred Qualifications (Nice-to have)

• Experience supporting AI/ML products or developer-focused platforms.
• Knowledge of model compression techniques and performance optimization.
• Contributions to documentation, tutorials, or developer community forums.
• Experience using ticketing and support tools (e.g., Zendesk, Jira, or similar).

We offer

• Competitive annual salary starting from €45,000, based on experience and qualifications.
• Two unique bonuses: signing bonus at incorporation and retention bonus at contract completion.
• Relocation package (if applicable).
• Fixed-term contract ending in June 2026.
• Hybrid role and flexible working hours.
• Be part of a fast-scaling Series B company at the forefront of deep tech.
• Equal pay guaranteed.
• International exposure in a multicultural, cutting-edge environment.