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Salary: GBP 81,600 - 110,400 / annual
Clio is the global leader in legal AI technology, empowering legal professionals and law firms to work smarter, faster, and more securely. We are seeking an experienced Senior C# Developer to join our engineering team in Manchester.
You will develop full-stack features using C#, .NET, HTML, CSS, JavaScript, and SQL. Your responsibilities include writing and optimizing hand-crafted SQL queries for high performance, designing and implementing event-driven workflows using Event Store, enhancing search and data projections with ElasticSearch, and modernizing platform components to .NET 8+ and Svelte.js with containerized deployments. You will automate infrastructure with Pulumi and Azure DevOps, participate in architecture discussions, conduct code reviews, and maintain engineering best practices.
You are an experienced engineer who enjoys solving complex problems and delivering high-quality software. You value collaboration, curiosity, and learning alongside coding. You understand the importance of clean code, maintainable architecture, and system performance, and seek a culture where your contributions matter and growth is supported.
Clio offers a flexible hybrid work environment, 25 days holiday plus bank holidays, private healthcare with life insurance and critical illness cover, pension contributions, professional development opportunities, and a Clioversary recognition program.
REQUIREMENTS:
- Strong experience with C#/.NET, including async/await, memory management, and resource handling
- Deep knowledge of SQL Server, including query optimization, indexing, execution plans, and performance tuning
- Solid understanding of HTML5, CSS3, Flexbox, and CSS Grid
- 5+ years of varied software engineering experience, ideally including scalable systems
- Experience with distributed systems, monoliths, or microservices
- Demonstrated keen interest in improving your craft by using AI
BONUS QUALIFICATIONS:
- Exposure to ElasticSearch, Event Store, Neo4j, InfluxDB, Seq, Power BI
- Experience with micro-ORMs such as PetaPoco
- Contributions to open-source projects or personal coding projects
- Cloud infrastructure experience, especially Azure
- Strong grasp of clean code principles, OOP design, and software patterns
