Application Support Engineer

JR United Kingdom; Doncaster; Remote; GBP 30,000 - 46,000; Full time

Job summary

A leading AI-powered SaaS start-up in the UK seeks an Application Support Engineer to join their fast-paced team. This role involves improving technical support delivery by proactively assisting users, troubleshooting issues, and helping shape support tools as the company scales, all within a remote-first working style.

Qualifications

• 2+ years in application support, QA, product ops, or similar technical roles.
• Working knowledge of SQL, APIs, and terminal tools.

Responsibilities

• Acting as the first point of contact for platform bugs and client issues.
• Creating clear bug reports and maintaining knowledge bases.
• Assisting in pre-release QA and running exploratory tests.

Skills

Problem Solving

Communication

Technical Curiosity

Job description

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Application Support Engineer | AI-powered SaaS Start-up

Location: Remote (UK-based with US hours, 3pm–12am GMT)

Working Style: Remote-first, flexible with optional in-person meetups

About:

Here at Burns Sheehan we are working exclusively with one of the most exciting tech start-ups in the UK, who are looking for an Application Support Engineer to join their high-performing team. You’ll play a critical role in supporting internal users, spotting patterns before they become issues, and improving how technical support is delivered across the business. With a focus on product insight, systems understanding, and proactive support this is an ideal opportunity for someone technically curious who loves solving puzzles, thrives in a fast-paced start-up environment, and wants to grow with a company scaling into new markets.

Responsibilities:

• Acting as the first point of contact for platform bugs, client issues and working closely with teams to troubleshoot any issues.
• Creating clear, actionable bug reports, maintaining internal runbooks, knowledge bases, and FAQ docs for scalable self-service
• Assisting in pre-release QA: running exploratory tests and identifying edge cases
• Helping shape and evolve the support tooling, processes, and metrics as the company scales

What We're Looking For:

• 2+ years in application support, QA, product ops, or similar cross-functional technical roles
• Working knowledge of SQL, APIs, terminal tools, logs, and basic scripting
• Comfortable using or supporting admin UIs/internal tooling and familiarity of how web apps work
• Strong communicator, problem solver and a curious mindset

Sound interesting? Feel free to apply and I will get back to you to discuss...

Application Support Engineer | AI-powered SaaS Start-up