Technical Support Engineer

Posted 5 Days Ago
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London, Greater London, England
In-Office
Senior level
eCommerce • Automation
Swap is building agentic commerce infrastructure for the future.
The Role
Serve as primary technical contact for complex customer issues across frontend, backend, integrations, and data pipelines. Troubleshoot APIs, webhooks, logs, and databases; guide technical setups; escalate and follow through with Engineering; improve documentation and surface product insights.
Summary Generated by Built In
Senior Technical Support Specialist
Location: London (Hybrid)
About Swap

Swap is the infrastructure behind modern agentic commerce. The only AI-native platform connecting backend operations with a forward-thinking storefront experience.

Built for brands that want to sell anything - anywhere, Swap centralises global operations, powers intelligent workflows, and unlocks margin-protecting decisions with real-time data and capability. Our products span cross-border, tax, returns, demand planning, and our next-generation agentic storefront, giving merchants full transparency and the ability to act with confidence.

At Swap, we’re building a culture that values clarity, creativity, and shared ownership as we redefine how global commerce works.

About the role

As a Technical Support Engineer, you are the primary technical contact for complex customer issues, working across frontend, backend, integrations, and data systems. This is a hands-on, customer-facing role focused on deep troubleshooting, guiding technical implementations, and partnering closely with Engineering, Product, and Customer Success to drive resolution and improvement.

You’ll debug real-world problems, improve documentation and tooling, and feed customer insights back into the product. Success in this role requires strong problem-solving skills, clear and empathetic communication, ownership mindset, curiosity, and the ability to manage multiple priorities in a fast-paced environment.
What You Will Do

  • Act as the primary technical contact for customer-reported issues and calls with merchants across Swap
  • Investigate, triage, and resolve issues across frontend, backend, integrations, and data pipelines
  • Debug using logs, API responses, system behavior, and internal tooling to identify root causes
  • Walk customers through troubleshooting steps with clear, friendly, and actionable guidance
  • Maintain detailed records of known issues, resolutions, and workarounds
  • Guide customers through technical setup, including APIs, webhooks, data pipelines, and system configuration
  • Support deployment of custom workflows and integration patterns aligned with Swap’s infrastructure
  • Assist customers using e-commerce platforms such as Shopify (and similar ecosystems)
  • Escalate complex or critical issues to Engineering and follow through to resolution
  • Identify patterns in support tickets and surface insights to Product and Design teams
  • Participate in beta testing, user research, and feedback loops to improve product quality and UX
  • Advocate for customer needs and influence product decisions with real-world technical insight
  • Create and maintain technical documentation, training materials, and knowledge base content
Requirements
  • 3-6+ years in Technical Support, Solutions Engineering, Implementation, or similar customer-facing technical roles
  • SaaS experience preferred, ideally in e-commerce, logistics, marketing automation, or platform products
  • Confident supporting customers across written channels, chat, calls, and screen shares
  • Comfortable operating in fast-paced, collaborative environments (startup experience a plus)
  • Strong hands-on troubleshooting across REST/GraphQL APIs, webhooks, integrations, logs, and monitoring tool
  • Working knowledge of JSON, SQL, relational databases, and core programming concepts
  • Familiar with e-commerce platforms (e.g., Shopify), web technologies (HTTP, HTML, DNS), and networking fundamentals
  • Bonus: experience with JavaScript, HTML, or similar languages

Benefits

  • Competitive base salary.
  • Stock options in a high-growth startup.
  • Competitive PTO with public holidays additional.
  • Private Health.
  • Pension.
  • Wellness benefits.
  • Breakfast Mondays.

Diversity & Equal Opportunities

We embrace diversity and equality in a serious way. We are committed to building a team with a variety of backgrounds, skills, and views. The more inclusive we are, the better our work will be. Creating a culture of equality isn't just the right thing to do; it's also the smart thing.

Top Skills

Rest,Graphql,Webhooks,Json,Sql,Relational Databases,Javascript,Html,Shopify,Http,Dns
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The Company
HQ: London
215 Employees
Year Founded: 2022

What We Do

Swap builds infrastructure to enable global commerce, from our real time tax and duty API, our Universal Catalog to power agentic shopping, our new agentic commerce platform and our full global services network.


The Future of Commerce Starts Here.

🌐 swap-commerce.com

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