Customer Success

Madfish; United Kingdom; Hybrid; GBP 50,000 - 70,000; Full time

Job summary

A leading technology company based in the United Kingdom is seeking a Customer Success Manager to enhance customer value and drive successful adoption of their innovative AI solutions. The ideal candidate should have over 3 years of experience in customer success within a SaaS environment, strong communication skills, and a proactive approach to problem-solving. Responsibilities include customer onboarding, support, and building lasting relationships to ensure high retention and satisfaction levels.

Qualifications

• 3+ years of experience in Customer Success, Account Management, or Support roles in a SaaS company.
• Proven client-facing experience in a global fast-paced environment.
• Excellent written and verbal English (C1–C2).

Responsibilities

• Manage the onboarding process for new customers and implement clear steps.
• Support customers with platform usage and act as a trusted advisor.
• Build and maintain strong customer relationships to drive engagement.

Skills

Customer Success Management

Communication Skills

Relationship Building

Analytical Skills

Problem Solving

Job description

SpeedSize, a revolutionary Israeli-American deep-tech company specializing in AI image and video optimization, is looking for a Customer Success Manager (CSM) to help expand customer value and ensure successful long-term adoption of our technology.

We develop cutting‑edge solutions that enable eCommerce and enterprise brands to dramatically improve website performance, visual quality, and conversions through advanced AI processing.

Responsibilities

• Manage the onboarding process for new customers: understand their Desired Outcomes and turn them into clear implementation steps that deliver measurable value.
• Support customers with platform usage.
• Act as a trusted advisor, helping clients maximize value from the SpeedSize technology.
• Collaborate closely with internal teams (Solutions Engineers / Technical Support, Sales, Finance) to ensure smooth execution of all customer‑related activities.
• Handle non-technical customer requests and maintain clear communication across all stakeholders.
• Build and maintain strong customer relationships by driving engagement, satisfaction and successful long‑term retention.
• Provide customer insights and feedback to the product team to improve functionality and enhance user experience.

Requirements

• 3+ years of experience in Customer Success, Account Management, or Support roles in a SaaS company
• Proven client-facing experience in a global fast‑paced environment
• Strong communication, presentation, and relationship‑building skillsExcellent written and verbal English (C1–C2)
• Strong organizational skills, time management, and attention to detail
• Analytical mindset, problem‑solving strength, and a proactive approach
• Highly motivated, results-oriented, fast learner, open-minded

Nice to Have

• Technical/cloud experience and/or certifications
• Experience working with enterprise clients