Senior Software Engineer

Arqit is a global cybersecurity company delivering quantum-safe encryption to secure data and communications for enterprises, governments, and critical national infrastructure (CNI). Powered by its advanced symmetric key cryptography, Arqit offers scalable encryption that is resilient to quantum threats, ensuring robust data protection across sectors like telecoms, defence, and finance. Arqit has recently welcomed onboard the talented team from Ampliphae: this brings together Ampliphae's industry-leading Encryption Intelligence products with Arqit's quantum-encryption technology and global reach, delivering a comprehensive proposition to identify and mitigate cyber risk exposure from both current and quantum threats.

Our combined company now has a new opportunity for a self-motivated and enthusiastic Senior Software Engineer to join our friendly team based in Belfast. We can offer you fun and interesting work in both cloud and on-prem cybersecurity, and we have a great culture that gives you the opportunity to innovate, take ownership, and scale new heights in your career. On offer is a hybrid/remote way of working and the challenge of being involved in an innovative and complex environment where no two days are the same.

Overview

As a Senior Software Engineer, you will join a diverse and talented group of experienced software engineers, system architects, DevOps and QA providing the opportunity to further develop both technical and leadership skills as the company continues to grow. We are looking for an enthusiastic technologist who can adapt to the needs of the team, have a passion for learning and a constant desire to expand their knowledge. Programming extensively in Python, you will also have the chance to work with Rust and Angular.

You will join a friendly and supportive Agile team that works in a fast-paced environment and takes responsibility for the full delivery cycle of new features, from requirement through to production, following best practice engineering principles in the process.

About You

You're an intelligent innovator who thinks outside of the box with a record of delivering great results against the most complex of problems. You take ownership without being asked to, work with autonomy and you're a team player with a relentless desire to help your team to succeed. You're open, honest and respectful, appreciating the value of diversity, and you enjoy the challenge of working in an ambiguous environment where no two days are the same. You recognise the need to work at pace but are also laser focussed to ensure that what's delivered delights the end-user.

What you'll be doing

• Developing software for our Encryption Intelligence technology, working under the guidance of our software architects and other senior colleagues.

Transforming architectural models into component designs ready to be incrementally developed, tested and deployed.

Collaborating closely with our team of software, automation and DevOps engineers to implement, review, test and deploy full-stack software changes.

Working extensively with Python, you will have the opportunity to train on Rust and AngularJS

Analysing the metrics of your deployment changes, ensuring high resiliency and performance is maintained, resolving issues if they arise.

Fixing issues found internally and by our customers.

Actively participating in Agile development activities and rituals, supporting the growth of the team and its members.

Being open to receiving feedback and being willing to offer constructive feedback and support to others.

Working closely with the Product Management team to help further refine requirements.

What we're looking for

Essential:

• Significant commercial experience of developing complex enterprise software and services
• Demonstrable experience in building horizontally-scalable mission-critical enterprise software and services, preferably in a startup environment