Application Support Engineer

JR United Kingdom; Cambridge; Remote; GBP 35,000 - 55,000; Full time

Job summary

A leading AI-powered SaaS start-up in the UK is seeking an Application Support Engineer. This role offers remote work with US hours, focusing on providing proactive technical support and improving internal processes. Ideal for someone with a passion for problem-solving and technical curiosity, to thrive in a dynamic team environment.

Qualifications

• 2+ years in application support, QA, product ops or similar.
• Working knowledge of SQL, APIs, terminal tools, and basic scripting.
• Strong communicator with a curious mindset.

Responsibilities

• Acting as the first point of contact for issues and troubleshooting.
• Creating clear bug reports and maintaining internal documentation.
• Assisting in pre-release QA and exploratory testing.

Skills

SQL

APIs

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