Senior Developer – C#, .Net, Agile – Remote

Company: A&O Shearman
Apply for the Senior Developer – C#, .Net, Agile – Remote
Location: Belfast
Job Description:

Job Description

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Reporting to the Lead Engineer (Integration), this role supports the design, development, and maintenance of custom integrations that connect A&O Shearman’s key legal systems, and which support the ingestion, time recording, and document storage of legal Matters.  

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The role is accountable for the correct operation, availability, performance, and security of the integration platform.

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  • n Develop and operate integration platforms in alignment with the firm’s strategy, standards, and policies. 

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  • n Develop microservices and web apps to connect systems using integration platforms. 

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  • n Develop customer relationships with fee earners and business teams to manage the delivery of software solutions and tooling. 

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  • n Participate in agile ceremonies such as sprint planning, retrospectives, and demos. 

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  • n Work with IT stakeholders to refine acceptance criteria. 

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  • n Write unit, integration, and acceptance tests. 

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  • n Improve and extend CI/CD pipelines. 

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  • n Provide 3rd line support for operational issues, working with Technology Services to resolve operational issues and plan and deploy software releases. 

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  • n Investigate and support legal workflow issues. 

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  • n Act as the focal point for matters related to integration engineering, providing guidance to other teams when required. 

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  • n Contribute to continuous improvement of QA processes and tools. 

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  • n Support the Enterprise Architecture & Technology Platforms leadership team to collectively define, implement and operate the firm’s development of software solutions and tooling. 

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  • n Work with stakeholders from Enterprise Architecture, Data Governance and Information Security to ensure solutions are performant, compliant and secure. 

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  • n Support service provider reviews to assess performance against service targets, drive innovation, and ensure any remediation activities are being delivered. 

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  • n Identify and pursue opportunities for continuous improvement in integration engineering. Including improving software solutions tooling. 
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  • Working with system and solution architects, contribute to the integration engineering standards, API development standards, and more broadly, to the Engineering Centre of Excellence documentation.  

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What you will have

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n Experience: 

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  • n Direct or related experience in .NET development, preferably within the legal or professional services sector. 

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  • n Demonstrable problem-solving skills using the latest versions of C#. 

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  • n Strong understanding of software architecture, patterns, testing, and debugging. 

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  • n Knowledge and understanding of scalable, cloud-based systems and operational management. 

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  • n Knowledge of IT strategic planning, design, and operations processes. 

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  • n Familiarity with Agile software development practices  

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  • n Solid understanding of the testing pyramid and testing trade-offs, 

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  • n Knowledge of current IT and data market trends and technology innovations. 

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  • n Background in the IT industry, with experience managing and developing cloud-based systems. 

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What we can offer you

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n We recognise the value of flexible working and embrace hybrid working, so that we can learn, grow and succeed together.

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n Should you require additional support at any stage of the recruitment process due to a disability or a health condition, please do not hesitate to contact a member of our recruitment team who will work with you to provide any adjustments as required. n We are an equal opportunities recruiter and do not discriminate on the basis of race, colour, sex, religion, sexual orientation, national origin, disability, or any other protected characteristic.

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NO AGENCIES PLEASE – A&O Shearman does not accept unsolicited CVs. For further information, please see our UK Recruitment Agency Policy and our commitment to direct sourcing here.

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Posted: July 14th, 2026