Solution Engineer

Justt Fintech Ltd.; City of London; On-site; GBP 70,000 - 90,000; Full time

Job summary

A global fintech company is seeking an experienced Solution Engineer to join their London team. In this role, you will own complex technical processes from pre-sales to onboarding, conduct product demonstrations, and collaborate with cross-functional teams. The ideal candidate has 5+ years of experience in solution engineering and a deep understanding of payment processing systems. Fluency in English is required, and in-office presence is needed four times a week.

Qualifications

• 5+ years of proven experience in solution engineering, pre-sales, or technical consulting roles.
• Deep understanding of AI-powered solutions and payment processing systems.
• Fluency in English required; additional languages are advantageous.

Responsibilities

• Take full ownership of the technical aspects of sales cycles.
• Conduct professional product demonstrations and technical workshops.
• Lead complete technical implementation of Justt’s solutions.

Skills

Solution engineering experience

Communication skills

Problem-solving

AI-powered solutions knowledge

Tools

APIs

Data mapping

Job description

Justt helps many of the world’s largest and most recognizable brands turn chargebacks from a constant headache into a managed, predictable part of doing business. Our AI-driven platform powers chargeback operations at scale, automating disputes end to end, recovering revenue that would otherwise be lost, and removing a major operational burden from finance, risk, and operations teams across multiple regions and verticals.

We’re a global company with teams across markets, and disciplines, working closely with leading players in the payments ecosystem. Our culture is built on clear thinking, collaboration, and a strong sense of ownership. At Justt, you’ll partner with product, engineering, data, success and go-to-market teams to build technology that sits at the core of modern payments, and has a direct, measurable impact on the bottom line for some of the biggest companies in the world.

We’re seeking an experienced, independent Solution Engineer to join our dynamic London team

This is a critical role requiring complete ownership of complex technical processes – from initial pre sales through full customer onboarding. The ideal candidate is a seasoned professional with exceptional communication skills and the ability to lead processes independently in a fast-paced startup environment.

What You’ll Do:

Lead Technical Sales Processes

• Take full ownership of the technical aspects of sales cycles, including deep understanding of customer requirements and matching the right solutions
• Conduct professional product demonstrations and technical workshops for prospective clients
• Develop and present customized solutions that address specific client challenges and business objectives

Technical Implementation & Onboarding

• Lead complete technical implementation of Justt’s solutions for new clients, ensuring seamless integration with existing systems
• Provide comprehensive training and ongoing support to ensure clients maximize value from our solutions
• Proactively identify and resolve technical challenges throughout the onboarding process

Cross-Functional Collaboration

• Work closely with sales, product, customer success, and engineering teams to exceed client expectations
• Contribute to the development of technical documentation and training materials

Requirements

• 5+ years of proven experience in solution engineering, pre-sales, or technical consulting roles
• 2 years in fintech – Bonus!
• Deep understanding of AI-powered solutions, payment processing systems, and their applications in fraud prevention, chargeback management, and dispute resolution

Technical Skills:

• Proven experience with integration processes, APIs, and data mapping
• Strong problem-solving abilities and a critical thinking approach to client challenges

Personal Qualities:

• Exceptional communication and presentation skills – ability to explain complex technical concepts to both technical and non-technical stakeholders
• Independence and proactivity – thrive in managing multiple projects simultaneously in a rapidly changing environment
• Cultural fit for our London office and fast-paced, creative startup atmosphere
• Fluency in English; additional languages are advantageous
• London-based- 4 times a week, in office presence is required