Technical Team Lead Belfast

Arqit Limited; Belfast City District; On-site; GBP 90,000 - 125,000; Full time

Job summary

Arqit Limited in Belfast is seeking a Technical Team Lead to balance hands‑on software engineering with team management across the UK. The role splits time between technical leadership, delivery and people management, and requires strong mentoring capability.

You will guide architecture, oversee full‑stack changes with your engineers, participate in Agile ceremonies, review code, and partner with product management to drive high‑performing, scalable systems.

Qualifications

• Proven experience building horizontally scalable enterprise software and services.
• Experience with cloud service development (public/hybrid/private cloud PaaS or SaaS).
• Experience leading/mentoring engineering teams, including remote staff management.
• Strong stakeholder management and communication skills.
• Demonstrated passion for software development through self-learning and projects.
• Experience with database development (SQL and NoSQL).
• Experience with design patterns, refactoring and OO design.
• Strong analytical, problem-solving and organizational skills.
• Ability to work with high autonomy and accountability.
• Adaptability and pragmatism in a fast-moving environment.

Responsibilities

• Collaborate with software architecture and product management to advance post-quantum technology.
• Transform architecture into component designs ready for incremental development and deployment.
• Lead and work with software, automation and DevOps engineers to implement, review, test and deploy full‑stack changes.
• Analyse deployment metrics to ensure resiliency and performance.
• Resolve issues raised by customers and internally.
• Participate in Agile development activities and support team growth.
• Lead, mentor and grow a team of engineers across the UK.
• Set clear technical direction, priorities and delivery goals.
• Conduct code reviews and uphold engineering standards.
• Support hiring, onboarding and performance management.
• Foster a high‑performing, inclusive culture aligned with company values.

Skills

Leadership

Cloud services

Distributed systems

Mentoring

Stakeholder management

Software architecture

Agile

Job description

Arqit is a global pioneer in post-quantum cryptography: we provide a proven defence against both current cyber dangers and impending quantum threats. Our global team describe Arqit as providing a positive, inclusive and high-performing working environment, where employees feel that managers care about the success and well‑being of their teams, individuals feel valued as employees and teams achieve more than they thought possible, together.

As we continue to grow our Belfast team, we have an opportunity for a software engineering Technical Team Lead. This role operates in a player‑manager capacity, requiring a balance of hands‑on engineering contribution and team leadership: your time will be split equally between people management, technical management and technical delivery. The team that you will lead is spread across the UK, so we are looking for exemplary management capability combined with a love of technical delivery.

What you’ll be doing

Technical Leadership and Delivery

• Collaborating with colleagues in software architecture and product management to further develop our market‑leading, award‑winning post‑quantum cryptography technology
• Transforming architectural models into component designs ready to be incrementally developed, tested and deployed.
• Working closely with your team of software, automation and DevOps engineers to implement, review, test and deploy full‑stack software changes.
• Analysing the metrics of your deployment changes, ensuring high resiliency and performance is maintained, and 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.
• Leading, mentoring, and growing a team of software engineers, based across the UK.
• Setting clear technical direction, priorities, and delivery goals
• Conducting code reviews and uphold engineering standards
• Supporting hiring, onboarding, and performance management
• Fostering a high-performance, inclusive, and collaborative team culture in line with our company values

What we’re looking for

• Demonstrable experience in building horizontally‑scalable mission‑critical enterprise software and services
• Experience of cloud service development (public/hybrid/private cloud PaaS or SaaS)
• Previous experience of leading/mentoring engineering teams, including management of remote staff.
• Strong stakeholder management and communication skills
• Demonstrable passion for software development through self‑learning, personal projects, competitions etc.
• Experience of database development (SQL and NoSQL)
• Experience with design patterns, refactoring, OO design and related areas
• Strong analytical, problem‑solving and organizational skills
• Demonstrate accountability for results whilst working with high autonomy
• Adaptability, pragmatism and ability to thrive in a fast‑moving environment

Please note, the ability to work in the UK without visa restrictions is ESSENTIAL.