F
Fyxer
Customer Support Engineer
Skills
SQL QueriesAIJiraCustomer Support
2 months ago
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Important information
Salary:
£65,000 – £75,000 / year
Location:
London, UK
Work mode:
Onsite
Published on:
27 August 2026
What they need
Who you are
- 3+ years in a technical support role within a SaaS or cloud-based company
- API fluency: you can read an API reference, reason about authentication, and say what a 401 rather than a 500 tells you about where the fault sits
- SQL you write yourself: given an unfamiliar schema you work out how the tables relate and write the join unaided
- Comfortable in logs, following a request across services and working backwards from an error
- Strong written communication, particularly to a customer who is unhappy
- Experience with customer support tools such as Zendesk, Intercom, Jira, Linear, others
- Startup-ready: adaptable, fast-moving, and hands-on
- We're not asking for production engineering experience or a computer science degree. We care what you can do, not how you got there
What the job involves
- Own the hardest technical tickets in the business end to end, including the customer conversation, from first report through to resolution
- Dogfood Fyxer’s own products, give feedback, and influence our roadmap
- Establish blast radius before escalating, because one customer reporting something is a ticket and forty-seven accounts in the same broken state is an incident
- Call bug, incident or user error correctly and quickly, and declare it when it's an incident
- Write escalations Engineering can act on without a single follow-up question, and stay on them until they land
- Spot patterns across Linear and the queue, raising a tracker before the fifth report of something becomes the tenth
- Reduce the need for your own role through runbooks, saved queries, Parahelp knowledge, and hands-on upskilling of our senior agents
- ---What Success Looks Like---
- You resolve a growing share of technical escalations without Engineering ever being involved
- Your escalations are complete, so Engineer can act on them quickly
- You use AI and you catch it when it's wrong, before it reaches a customer
- You hold a customer's confidence while you investigate, rather than handing them back to someone else
- Our senior agents are visibly more capable six months in than they are today, because of you
- You're the person the team wants on the ticket because they trust your judgement
The application process
- Submit your CV (no need for a cover letter)
- We'll review it
- An initial call with someone from the hiring team to review your experience and motivation for joining (30 mins)
- A call with our Head of Customer Support on your experience and how you think technically (30 minutes)
- A live technical exercise (60 minutes)
- Meet more of the team (30 minutes)
- For the exercise we'll give you access to a small example application, a database, an API and its logs, a couple of days ahead, along with three customer tickets
- You don't need to solve anything in advance, and you're welcome to use whatever AI tooling you normally would, because that's how the job actually works
- We'll be paying attention to how you check its answers
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