Mid/Senior QA Engineer

Ocho People; Belfast; Hybrid; GBP 50,000 - 65,000; Full time

Job summary

A fast-growing trading firm in Belfast is seeking a Mid/Senior QA Engineer to build and maintain automated test frameworks for high-performance trading systems. The role requires at least 3 years of automation experience and offers a competitive salary up to £65k plus bonus. The ideal candidate will have a strong background in automated testing for back-end systems and experience with CI/CD processes. This is an exciting opportunity to influence QA strategy in a dynamic environment.

Benefits

Generous benefits package

Hybrid working

Modern Belfast office

Qualifications

• 3+ years' experience in QA or software engineering with a focus on automation.
• Hands-on experience building automated test frameworks.
• Understanding of distributed systems and APIs.

Responsibilities

• Build and maintain automated test suites for back-end services.
• Integrate automated testing into CI/CD pipelines.
• Collaborate with engineers to design testable architectures.
• Support QA strategy and contribute to testing standards.

Skills

Automated testing

Debugging skills

Collaborative mindset

Analytical skills

Education

Degree in Computer Science or Software Engineering

Tools

Java

Python

Docker

Kubernetes

AWS

Job description

Mid/Senior QA Engineer - OchoX Exclusive FDI | Belfast

At a glance

• Mid/Senior QA Engineer role in a new Belfast engineering hub
• Build and maintain automated test frameworks for real-time trading systems
• Work closely with developers, DevOps, and product teams
• Contribute to QA strategy and help shape testing best practices
• Competitive salary up to £65k plus Bonus

About the Company

Our client is a fast-growing global trading firm operating across traditional and digital asset markets. Designed by technologists and financial engineers, their platforms prioritise scale, resilience, and high performance.

With a new engineering hub in Belfast, they're investing in building core trading systems and infrastructure locally. The Belfast team is focused on developing high-performance, real-time systems to support a major trading platform launch in 2026.

The Role

We're looking for a Mid/Senior QA Engineer with 3+ years of automation experience to join the founding Belfast engineering pod. You'll help deliver high-quality software by building automated test pipelines, integrating QA into CI/CD processes, and ensuring the reliability and performance of real-time systems.

This is an exciting opportunity to contribute to QA strategy, influence testing best practices, and gain exposure to complex, high-performance trading systems from the ground up.

Key Responsibilities

• Build and maintain automated test suites for back-end services, APIs, and data pipelines
• Identify and report defects, working closely with developers to resolve issues quickly
• Integrate automated testing into CI/CD pipelines to support continuous delivery
• Support QA strategy and contribute to testing standards and best practices
• Collaborate with engineers to design testable architectures and identify early failure points
• Contribute to release management and system validation for production deployments

Ideal Candidate Profile

• 3+ years' experience in QA or software engineering with a focus on automation
• Hands‑on experience building automated test frameworks in Java, Python, or similar
• Understanding of distributed systems, APIs, and event‑driven architectures
• Experience with CI/CD pipelines, containerisation (Docker, Kubernetes), and cloud environments (AWS preferred)
• Exposure to financial systems, real‑time data processing, or trading platforms is desirable but not essential

Essential Criteria

• Strong experience in automated testing for back‑end systems
• Excellent debugging, problem‑solving, and analytical skills
• Collaborative mindset and ability to thrive in a fast‑paced, engineering‑driven environment
• Degree in Computer Science, Software Engineering, or equivalent experience

What's on Offer:

• Competitive salary up to £65k plus Bonus
• Generous benefits package
• Hybrid working with a modern Belfast office

For more information on this opportunity, connect with Neill Ferguson on LinkedIn or submit your CV via the link below.