Solution Architect, Post-sales

Fonoa; Camden Town; On-site; GBP 60,000 - 80,000; Full time

Job summary

A global tax technology company based in Camden Town is seeking a Solution Architect to manage the client onboarding lifecycle for their solutions. The role requires proficiency in APIs and B2B SaaS solutions, strong communication skills, and the ability to work autonomously. You will lead the implementation process, ensuring a successful launch and optimizing project timelines. This position offers a dynamic environment focused on tech-driven solutions for international clients.

Qualifications

• Proficient in written and spoken English.
• Experience with technical onboarding of clients.
• Strong sense of ownership and client care.
• Background in professional services or tax technology is a plus.

Responsibilities

• Own and manage a pipeline of global enterprise clients.
• Lead technical onboarding and guide clients through to Go-Live.
• Collaborate with teams to collect client feedback.
• Troubleshoot ongoing implementation issues.
• Track post-sales metrics and ensure successful launches.

Skills

APIs

JSON

Cloud technologies

B2B SaaS solutions

Technical solutions design

Communication

Job description

Overview

At Fonoa, we are transforming how digital-first companies stay tax compliant. We provide simple and modular API solutions that easily integrate into any existing workflow. Through our technology-first approach, we reduce manual processes, increase compliance and reduce the cost of operations when transacting and scaling internationally. We are solving one of the largest yet unsolved problems in global e-commerce. Our tax automation software enables companies such as Uber, Zoom, Booking.com, Squarespace and Rappi to expand their international offerings more quickly and stay tax compliant.

What you will do

Own and manage a pipeline of global enterprise clients from a technical and implementation onboarding perspective. Responsible for leading the technical onboarding and guiding Fonoa's clients from implementation to Go‑Live. Work alongside the Solutions engineers to develop scoping and implementation plans, perform feature gap analyses, and provide tailor‑made solutions where applicable. Capture client feedback, insights, and development requests during the implementation phase, communicate them, and streamline them effectively across our Product and Support teams. Build domain knowledge and become a subject matter expert on our solutions and trends in the indirect tax space. Work closely with the product, engineering, support, and solutions teams to collect and capture client feedback to help build relevant case studies and feature requests. Troubleshoot ongoing implementation issues that arise both on the technical aspect, considering the tax implications, and involving the relevant teams to find resolutions. Manage implementation project timelines and deliverables, ensuring time to revenue, and go‑live is optimized and minimized where possible. Track post‑sales and post‑go‑live metrics and engagement to measure and ensure a successful launch.

Qualifications

You are proficient in written and spoken English. We have diverse teams from all over the world, but we work in English. You have a strong sense of ownership and care about what you do and the clients you work with. Experienced with APIs, JSON, cloud technologies, and ERPs. A track record of post‑sales work with complex B2B SaaS solutions that solve unique business problems. You are experienced in leading and designing technical solutions in a SaaS environment and adept at navigating conversations strategically. You've demonstrated subject matter expertise to create product awareness and drive new insights into product and operation teams. You have an entrepreneurial mindset, are self‑directed, and know how to work autonomously. Experienced with professional services or tax technology is a plus.

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Role description

We are looking for people to help deliver our solutions to our clients. As a Solution Architect, you will join our post‑sales implementation team, where you will own the entire client onboarding lifecycle for your region. You will work autonomously to understand customer requirements and pain points. As a Solution Architect, you will be proficient at identifying prospect needs and gaps.