Lead .Net Developer (Legacy Applications)

OverviewWe are seeking a hands-on Lead .NET Developer to support, enhance, and manage a portfolio of legacy .NET applications. This role is part of a long-term initiative focused on maintaining and modernizing approximately 40 existing applications, with several currently in active development.These applications span over 20 years of development and include a wide range of architectures, frameworks, and design patterns. The ideal candidate thrives in complex environments and is comfortable working across diverse and sometimes inconsistent codebases.Required SkillsStrong experience with C#Solid experience with T-SQLExperience with ASP.NET MVC and Web Forms (.ASPX)Experience with .NET WinFormsExperience with .NET WPFKey ResponsibilitiesMaintain, enhance, and support a portfolio of legacy .NET applicationsDesign, develop, and deploy web and desktop-based solutions across multiple .NET frameworksLead technical efforts across a small development team (1–5 engineers)Troubleshoot and resolve complex application, performance, and integration issuesCollaborate with business stakeholders, DBAs, and cross-functional teams to gather requirements and deliver solutionsEnsure applications meet security and compliance requirements, including handling PHI/PII dataParticipate in Agile ceremonies and contribute to continuous improvement effortsProvide technical guidance, code reviews, and mentorship to team membersWork across multiple applications with varying architectures and design patternsRequired Technical SkillsExpert-level proficiency in C#Strong experience with ASP.NET MVC, Web Forms (.ASPX), Web APIs, and Web ServicesExperience with WinForms, WPF, and Windows ServicesSolid experience with T-SQL (SQL Server and/or Oracle)Working knowledge of JavaScript/jQuery, PowerShell, or Visual BasicFamiliarity with ADO.NET, LINQ, and Entity FrameworkExperience with source control tools (Git, TFVC, Azure DevOps)Understanding of IIS and Windows-based application hostingRequired QualificationsProven experience designing, developing, and deploying web applicationsPrior experience leading or mentoring a small development teamStrong problem-solving skills and ability to work within complex legacy environmentsExperience working with sensitive data (PHI/PII) in regulated environmentsAbility to communicate effectively with both technical and non-technical stakeholdersExperience working in Agile development environmentsHigh level of adaptability and comfort managing multiple applications simultaneouslyWhat Success Looks LikeStable and reliable performance across legacy applicationsEfficient resolution of production issues and technical debtImproved maintainability and incremental modernization of systemsStrong collaboration across technical and business teamsConsistent delivery across multiple concurrent workstreamsAbout SogetiPart of the Capgemini Group, Sogeti makes business value through technology for organizations that need to implement innovation at speed and want a local partner with global scale. With a hands-on culture and close proximity to its clients, Sogeti implements solutions that will help organizations work faster, better, and smarter. By combining its agility and speed of implementation through a DevOps approach, Sogeti delivers innovative solutions in quality engineering, cloud and application development, all driven by AI, data and automation.Become Your Best | www.sogeti.usDisclaimerCapgemini is an Equal Opportunity Employer encouraging diversity in the workplace. All qualified applicants will receive consideration for employment without regard to race, national origin, gender identity/expression, age, religion, disability, sexual orientation, genetics, veteran status, marital status or any other characteristic protected by law.This is a general description of the Duties, Responsibilities and Qualifications required for this position. Physical, mental, sensory or environmental demands may be referenced in an attempt to communicate the manner in which this position traditionally is performed. Whenever necessary to provide individuals with disabilities an equal employment opportunity, Capgemini will consider reasonable accommodations that might involve varying job requirements and/or changing the way this job is performed, provided that such accommodations do not pose an undue hardship.Capgemini is committed to providing reasonable accommodation during our recruitment process. If you need assistance or accommodation, please reach out to your recruiting contact.Please be aware that Capgemini may capture your image (video or screenshot) during the interview process and that image may be used for verification, including during the hiring and onboarding process.Click the following link for more information on your rights as an Applicant http://www.capgemini.com/resources/equal-employment-opportunity-is-the-lawApplicants for employment in the US must have valid work authorization that does not now and/or will not in the future require sponsorship of a visa for employment authorization in the US by Capgemini.Capgemini discloses salary range information in compliance with state and local pay transparency obligations. The disclosed range represents the lowest to highest salary we, in good faith, believe we would pay for this role at the time of this posting, although we may ultimately pay more or less than the disclosed range, and the range may be modified in the future. The disclosed range takes into account the wide range of factors that are considered in making compensation decisions including, but not limited to, geographic location, relevant education, qualifications, certifications, experience, skills, seniority, performance, sales or revenue-based metrics, and business or organizational needs. At Capgemini, it is not typical for an individual to be hired at or near the top of the range for their role.This role may be eligible for other compensation including variable compensation, bonus, or commission. Full time regular employees are eligible for paid time off, medical/dental/vision insurance, 401(k), and any other benefits to eligible employees.Note: No amount of pay is considered to be wages or compensation until such amount is earned, vested, and determinable. The amount and availability of any bonus, commission, or any other form of compensation that are allocable to a particular employee remains in the Company's sole discretion unless and until paid and may be modified at the Company’s sole discretion, consistent with the law.