Senior Developer

Salary: £45,000 - 73,000 per year

Requirements:

• Direct or related experience in .NET development, preferably within the legal or professional services sector.
• Demonstrable problem-solving skills using the latest versions of C#.
• Strong understanding of software architecture, patterns, testing, and debugging.
• Knowledge and understanding of scalable, cloud-based systems and operational management.
• Knowledge of IT strategic planning, design, and operations processes.
• Familiarity with Agile software development practices.
• Solid understanding of the testing pyramid and testing trade-offs.
• Knowledge of current IT and data market trends and technology innovations.
• Background in the IT industry, with experience managing and developing cloud-based systems.

Responsibilities:

• Develop and operate integration platforms in alignment with our strategy, standards, and policies.
• Develop microservices and web apps to connect systems using integration platforms.
• Build customer relationships with fee earners and business teams to manage the delivery of software solutions and tooling.
• Participate in agile ceremonies such as sprint planning, retrospectives, and demos.
• Work with IT stakeholders to refine acceptance criteria.
• Write unit, integration, and acceptance tests.
• Improve and extend CI/CD pipelines.
• Provide 3rd line support for operational issues, working with Technology Services to resolve issues and plan and deploy software releases.
• Investigate and support legal workflow issues.
• Act as the focal point for matters related to integration engineering, providing guidance to other teams when required.
• Contribute to continuous improvement of QA processes and tools.
• Support the Enterprise Architecture & Technology Platforms leadership team to define, implement, and operate our software solutions and tooling.
• Work with stakeholders from Enterprise Architecture, Data Governance, and Information Security to ensure solutions are performant, compliant, and secure.
• Support service provider reviews to assess performance against service targets, drive innovation, and ensure remediation activities are delivered.
• Identify and pursue opportunities for continuous improvement in integration engineering, including improving software solutions tooling.
• Work with system and solution architects to contribute to integration engineering standards, API development standards, and Engineering Centre of Excellence documentation.

Technologies:

• API
• C#
• CI/CD
• Cloud
• Excel
• Support
• Security
• Web
• microservices
• ASP.NET

More:

We are A&O Shearman, a new global industry-leading law firm with nearly 50 offices in 29 countries worldwide. Our global technology function supports stable, reliable, and secure platforms and services for our partners, staff, and clients, with around 400 technologists based mainly in the UK, Singapore, and increasingly the US. This role is based in our Belfast office and sits within our Enterprise Architecture and Technology Platforms team, helping us develop and maintain our technology strategy and core platforms. We offer a wide range of benefits including an occupational pension scheme, group income protection, private medical insurance, mental health resources, health and wellbeing services, parental and special leave, increasing holiday entitlement, holiday trading, online discounts, lifestyle management services, and hybrid working. We are committed to first-rate training and development, an inclusive environment, and supporting wellbeing so our people can belong and excel.

last updated 30 week of 2026