Customer Success Engineer, UK

Remote from
UK flag
UK
Annual salary
Undisclosed
Salary information is not provided for this position. Check our Salary Directory to estimate the average compensation for similar roles.
Employment type
Full Time,
Job posted
Apply before
8 Jul 2026
Views / Applies
25 / 9

About Nash

Nash is the digital logistics infrastructure for commerce, enabling reliable and efficient last-mile delivery.

Verified job posting
This job post has been manually reviewed for authenticity and compliance.

AI Summary

This Customer Success Engineer role at Nash involves serving as the technical backbone for enterprise customers, ensuring successful integration and scaling on the platform. The position requires deep technical expertise in APIs, debugging, and system design, combined with strong customer partnership skills. You'll guide customers through solution design, deployment, and optimization while analyzing KPIs to improve performance. This role is ideal for someone with 5+ years in technical customer-facing roles who thrives in fast-paced, high-growth environments. Nash is a logistics platform company, so experience in logistics or supply chain is a plus.

Role DNA

Job Complexity
Easy Hard
Pace & Pressure
Relaxed Fast-paced
Autonomy Level
Guided Full Ownership
Communication Load
Independent Highly Collaborative
AI Insight The role demands deep technical knowledge (APIs, debugging) and enterprise-level customer management, requiring experienced professionals. The complexity of the platform and need for strategic guidance push difficulty to a 4.

Salary Analysis

Median Highly Competitive
$125,000
US Market
$90k – 160k
0 $176k
AI Insight The provided salary fields are empty, so an estimated US market median of $125,000 is used based on the role's seniority and technical requirements. This aligns with typical enterprise Customer Success Engineer compensation. The actual salary may vary by location and company, but appears competitive for a strategic technical role in a high-growth startup.

Key Skills

Customer Success Engineering API Integration Debugging Enterprise SaaS Technical Account Management Logistics Technology Solution Design Performance Optimization Customer Advocacy

I am writing to express my strong interest in the Customer Success Engineer role at Nash. With over 5 years of experience in technical customer-facing roles, I have a proven track record of guiding enterprise customers through complex integrations and driving successful outcomes. My hands-on expertise with APIs, debugging, and system optimization aligns perfectly with Nash’s platform and the need to serve as a technical backbone for strategic accounts.

I am particularly drawn to Nash’s mission of powering modern logistics, and I am eager to apply my skills in solution design and customer advocacy to help customers scale. I thrive in fast-paced environments and excel at translating technical details into actionable guidance for diverse stakeholders.

I look forward to the opportunity to discuss how my technical depth and customer-centric approach can contribute to Nash’s growth. Thank you for your consideration.

Describe a time you had to debug a complex integration issue for a customer. What steps did you take?
I worked with a retail enterprise customer experiencing API timeouts during peak data loads. I first gathered logs and metrics from both sides, then isolated the bottleneck to inefficient batching on their end. I recommended a batch size reduction and implemented retry logic, which resolved the issue and improved performance by 40%.
How do you prioritize multiple enterprise customer requests when they have conflicting deadlines?
I assess impact and urgency using a framework: critical issues affecting production first, then revenue-impacting features, followed by optimization. I communicate transparently with stakeholders, setting expectations and negotiating timelines when necessary.
Explain how you would design a scalable integration workflow for a customer new to Nash's platform.
I would start by understanding their current logistics workflow and pain points, then map out the integration architecture aligning with Nash's APIs and event-driven model. I'd propose a phased approach: first a POC with core functionality, then add advanced features like dynamic capacity orchestration. I'd include monitoring and error handling from day one.
How do you stay current with new technologies and API best practices?
I regularly read industry blogs, participate in technical communities like Stack Overflow, and take online courses on API design and observability. I also experiment with new tools in sandbox environments to understand their practical applications.
Tell me about a time you turned a dissatisfied customer into a success story.
A customer was frustrated with recurring workflow failures. I conducted a deep dive, found the root cause was a misconfigured rate limit. I fixed it, created a custom dashboard for them to monitor performance, and scheduled weekly check-ins. They eventually expanded their contract and became a reference account.

About the Role
We’re hiring a Customer Success Engineer to support and expand some of our most strategic enterprise customers. This role is deeply technical and hands-on — you will serve as the engineering-adjacent partner responsible for ensuring customers successfully integrate with and scale on Nash’s platform. From solution design to deployment to ongoing optimization, you’ll guide customer teams through every stage of their technical journey.

As part of the Customer Success organization, you will combine systems expertise, analytical problem-solving, and customer partnership to deliver measurable outcomes. You will help customers architect workflows, debug integration issues, improve performance, and use Nash to its fullest potential. You are the technical backbone of the account — the person customers trust to get it right.

Responsibilities

  • Serve as the technical owner for enterprise customer accounts — accountable for integration success, system performance, and technical adoption.

  • Work closely with customer engineers and product teams to design, implement, and scale solutions on Nash’s platform.

  • Become a platform expert capable of diagnosing issues, advising on best practices, and guiding architectural decisions.

  • Troubleshoot API issues, workflow failures, data mismatches, and other system-level challenges across customer and Nash environments.

  • Analyze operational and technical KPIs to identify root causes, improve performance, and reduce defects.

  • Provide structured, actionable feedback to Nash product and engineering based on real-world customer usage.

  • Support account growth by ensuring customers successfully deploy new capabilities and expand usage over time.

  • Act as the internal technical advocate for your accounts during roadmap discussions and cross-functional initiatives.

Qualifications (Must-Have)

  • 5+ years in a technical customer-facing role such as Solutions Engineer, Customer Success Engineer, Forward Deployed Engineer/PM, TAM, or similar.

  • Hands-on experience with APIs, integrations, logs, and data flows; strong debugging instincts.

  • Proven success supporting enterprise customers through complex technical deployments.

  • Ability to translate technical details into actionable guidance for both engineering and non-technical stakeholders.

  • Strong analytical and problem-solving skills with comfort navigating ambiguous systems.

  • Demonstrated capability to quickly master a complex platform and use that knowledge to guide customer outcomes.

  • Excellent communication skills with confidence interfacing at multiple levels of customer organizations.

Nice-to-Have

  • Experience in logistics, supply chain, or other operationally intensive SaaS systems.

  • Background in high-growth startups or enterprise retail integrations.

  • Familiarity with modern engineering tooling, observability tools, workflow engines, or API ecosystems.

  • Experience in consultative roles blending technical depth and customer outcome ownership.

More about Nash

Nash is the platform that powers modern logistics.

Commerce has inverted. For decades, customers came to where products and services were. Now products and services come to them, on their terms, in real time. That shift has turned every company into a logistics company, even though almost none of them were built to be one. Couriers, fleets, gig workers, parcel carriers, in-store labor, and increasingly autonomous systems all have to be coordinated in real time, against tighter windows and rising expectations, with hard-fought customer trust on the line.

Nash unifies decisioning, execution, and capacity into a single programmable platform. Real-time, AI-native intelligence determines what should happen, operational control executes it, and the platform dynamically orchestrates capacity from any source: a company’s own fleets, partners, or the Nash delivery network. Whether a job involves a courier, a gig driver, an internal fleet, a store employee, a technician, or an autonomous vehicle, Nash selects the right resource and manages execution through completion.

We power delivery and logistics for some of the most recognizable brands in commerce, including Walmart, Urban Outfitters, 7-Eleven, and Woolworths, alongside platforms like Shopify and Toast. Over the next decade, logistics will become as foundational to commerce as payments, cloud, and connectivity. Nash is the platform that powers it.

Nash was founded in 2021 by Mahmoud Ghulman (2x Founder, MIT) and Aziz Alghunaim (2x Founder, 2x YC, Ex-Palantir, MIT) and is backed by Y Combinator, a16z, and other top investors. We are headquartered in San Francisco.

What You’ll Love About Us

✅ Early-stage, well-funded startup – directly impact the company and grow your career!
✅ Quarterly broader team on-sites to bond with teammates
✅ Competitive compensation and opportunity for equity
✅ Flexible paid time off
✅ Health, dental, and vision insurance

Apply now >

Annual salary information is not provided for this position. Explore salary ranges for similar roles in our Salary Directory ›

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