Software Developer (Mid-Level)OverviewAs a Software Developer at DOCOsoft, you will contribute to the ongoing development and maintenance of a business-critical ASP.NET application used across the London and Global Insurance Markets.This role focuses on building and enhancing features within a large, established monolithic application backed by SQL Server, operating primarily on-premise, with some customer deployments hosted by DOCOsoft on Azure using IaaS.You will work within a cross-functional agile team, delivering reliable, well-tested software in a domain where correctness, stability, and data integrity matter more than trend-chasing.Role ScopeThis is a hands-on delivery role within an existing architecture.You will:Implement features and enhancements within a mature ASP.NET codebaseWork primarily in server-side .NET and SQLContribute to incremental improvements in code quality and maintainabilityLearn the domain, the system, and its constraints deeply over timeYou will not be expected to redesign the system architecture or introduce new paradigms wholesale but will contribute to new feature design and development.Key ResponsibilitiesDesign, implement, and maintain features and enhancements within an ASP.NET applicationWrite clear, maintainable, and well-tested code aligned with existing architectural patternsDevelop and optimise SQL Server queries, stored procedures, and data access logicInvestigate and resolve defects, including issues reported from production environmentsParticipate actively in code reviews, retrospectives, and sprint ceremoniesCollaborate with QA to ensure changes are thoroughly tested and regression-safeContribute to technical discussions around incremental improvements to the codebaseBuild a strong understanding of business workflows, data models, and system dependenciesKey Experience & SkillsProfessional experience: 3–5 years building and maintaining production software, including existing (non-greenfield) systemsCore backend skills: Strong C# and ASP.NET experience, SQL Server/T-SQL, REST APIs, and GitQuality-focused development: Writes unit tests, applies solid OO design principles, and values defensive, backward-compatible codeProduction & infrastructure awareness: Experience with on-prem systems, exposure to Azure VMs/IaaS, and understanding deployment and auth conceptsCollaborative, pragmatic approach: Works effectively in Agile teams, collaborates cross-functionally, and improves systems incrementallyWhat Success Looks LikeAfter 6–12 months, a successful Software Developer at DOCOsoft:Delivers changes confidently without introducing regressionsUnderstands the system's data model and core business workflowsWrites code that fits the existing architecture and improves it incrementallyIdentifies risk areas early and raises them clearlyIs trusted to work independently on complex features within the monolithWho we are:DOCOsoft is a leading software and services provider to Lloyd's of London and the broader London insurance market. Since our foundation, we have grown to become one of the leading insurance software specialists in the London Insurance Market. We are a growing team of over 95 colleagues based in Dublin, London, Tokyo, Portugal, Spain, India and Poland.Here's what we have to offer: DOCOsoft aspires to be a market leader in the technology sector, and we are always looking for new ways to approach projects or improve existing content. We look to hire people that will help us achieve this with hard work, enthusiasm and an expression of their own ideas. We offer our people the opportunity to impact our growing business- everyone's contribution matters A team environment that is focused on the creation and delivery of great products for our clients. Exciting challenges to grow and enhance their skills and a competitive pay and benefits package including; 25 days Annual Leave, Private pension, Bonus scheme, Private health, Life assurance. Equal Opportunity Employer: DOCOsoft is committed to building an inclusive and diverse team that represents a variety of backgrounds, experiences and perspectives. We welcome applications from all suitably qualified candidates, and do not discriminate on the grounds of race, religion, gender, marital or family status, age, disability, sexual orientation, membership of the travelling community or any other basis as protected by applicable law. Should you require reasonable accommodations during any stage of the recruitment process, please let us know.