Hybrid Application Support Engineer - FinTech & AI Tools

APEX Fintech Solutions UK; Belfast City District; Hybrid; GBP 45,000 - 70,000; Full time

Benefits offered by this job

Market-leading salary with annualbonus

28 days annual leave + 10 NI holidays

Training and development budget

Pension matched up to 7%

Private health insurance

Life insurance

Flexible working hours

Parental leave

Hybrid work schedule with home option

Monthly catered lunches

Unlimited drinks and snacks

Hackathon events

Poker tournaments

Charitable matching gifts

Job summary

Apex Fintech Solutions is seeking an experienced Application Support Engineer to join our production support team in a hybrid office setting. You will act as the primary escalation point for production issues, collaborate with engineering, and leverage AI tooling to reduce routine work.

You will handle incident response, automation, and knowledge sharing, with 3+ years in application support and a strong foundation in networking, OS, and databases.

Qualifications

• Bachelor's degree in Computer Science, Information Technology, or a related field, or equivalent work experience.
• 3+ years of experience in application support, preferably in a financial services or trading environment.
• 2+ years in a customer-facing role.
• Strong foundational knowledge of networking, operating systems (Linux and Windows), and databases (MSSQL and/or NoSQL).
• Hands-on experience using AI coding assistants or LLM-based tooling in a professional setting.
• Ability to read and modify application code in a compiled language preferred.

Responsibilities

• Serve as the escalation point for frontline support, owning complex production issues end to end from triage through resolution and client communication.
• Participate in major incident response, providing impact analysis and actionable recommendations.
• Monitor system performance and availability, resolving issues before they impact clients.
• Manage production access and support configuration and change management activities.
• Use AI tooling to accelerate investigation, including log analysis, data extraction, and issue reproduction.
• Build and maintain automations and reusable AI assets that other engineers can run.
• Validate AI-generated output before it reaches a client, a ticket, or production.
• Collaborate with development teams on fixes and improvements, and mentor newer engineers on the team.
• Create and maintain runbooks, troubleshooting guides, and knowledge base articles.

Skills

REST APIs

SQL/NoSQL

Linux/Windows

Python

PowerShell

AI tooling

Networking basics

Troubleshooting

Customer service

Observability

Code reading in compiled languages

Education

Bachelor's degree in CS/IT or related field

Tools

Google Cloud Platform

Datadog

Jira

Zendesk

Confluence

PagerDuty

Claude Code

Job description

Apex Fintech Solutions is seeking an experienced Application Support Engineer to join our production support team in a hybrid office setting. You will act as the primary escalation point for production issues, collaborate with engineering, and leverage AI tooling to reduce routine work.

You will handle incident response, automation, and knowledge sharing, with 3+ years in application support and a strong foundation in networking, OS, and databases.