Software Engineer

Arqit Quantum Inc.; Belfast; On-site; GBP 40,000 - 60,000; Full time

Job summary

A leading technology firm in Belfast is seeking a Software Engineer to join its innovative team focused on quantum-safe encryption. The role involves developing cutting-edge products, collaborating on research projects with top universities, and solving complex technical challenges. The ideal candidate will have experience in software engineering and a strong understanding of telecoms networking. This is an exciting opportunity to be part of a welcoming, inclusive work environment that values employee contributions.

Benefits

25 days paid holiday

8 bank holidays

Pension

Private Medical Insurance

Life Insurance

Income Protection

Employee Assistance Programme

Coaching

Parental Leave

Personal Travel Insurance

Subsidised Season Ticket Loan

RSU Equity Package

Bonus Scheme

Ride to Work Scheme

Benefit Hub

Qualifications

• Experience in software engineering with a focus on encryption technologies.
• Strong understanding of telecoms networking and technical challenges.
• Ability to work collaboratively in a team focused on innovation.

Responsibilities

• Participate in the development of quantum-safe encryption products.
• Work closely with the team to solve complex technical challenges.
• Collaborate with leading universities on research projects.

Skills

Quantum-safe encryption

AI-powered Encryption Intelligence

Telecoms networking

Job description

Software Engineer

Department: 480 - Software Engineering

Employment Type: Permanent

Location: Belfast

Description

Arqit is a global pioneer in quantum-safe encryption: we provide a proven defence against both current cyber dangers and impending quantum threats. Our nearly 100 staff worldwide describe Arqit as succeeding in providing a positive and inclusive working environment, where staff feel that managers care about the success and well‑being of their teams, and individuals feel valued as employees.

We continue to innovate strategically with the incorporation of Belfast-based Ampliphae, whose AI-powered Encryption Intelligence platform automatically identifies vulnerabilities and helps organisations plan their migration to post‑quantum encryption.

What's happening?

We are now expanding our team in Belfast, with modern offices in Upper Queen Street, and can offer the opportunity for software engineers to pursue dynamic career paths in this revolutionary sector.

More about our team

Join our growing team as a software engineer and become part of a close‑knit, welcoming group of world‑class engineers, who are passionate about building products that make a real difference. Our Belfast team thrives on solving complex technical challenges and has a long history of delivering world‑first solutions in the demanding field of telecoms networking. With experience spanning top global telecoms firms and Silicon Valley startups, our engineers offer an exceptional environment for mentoring, learning and growth. We maintain strong ties with Belfast’s leading universities through collaborative research projects, and are now launching new projects in networking, encryption, and AI. This is a rare chance to join a well‑established technical team at a pivotal moment of innovation and opportunity.

Benefits

• 25 days paid holiday
• 8 bank holidays
• Pension
• Private Medical Insurance
• Life Insurance
• Income Protection
• Employee Assistance Programme
• Coaching
• Parental Leave
• Personal Travel Insurance
• Subsidised Season Ticket Loan
• RSU Equity Package
• Bonus Scheme
• Ride to Work Scheme
• Benefit Hub