{"id":4287733,"url":"https://alion.io/job/it-search-principal-software-developer-net-c","title":"Principal Software Developer (.NET / C#)","company":{"id":693439,"name":"IT Search","domain":"itsearch.ie","url":"https://alion.io/company/itsearch","size_band":"11-50","is_staffing_agency":true,"employer_type":"agency","is_intermediary":false,"listed_via":null,"ats_vendor":"Schema","truth_index":{"grade":"A","score":88,"open_postings":13,"ghost_share":0,"stale_share":0.462,"repost_share":0,"time_to_fill_p50_days":45,"computed_at":"2026-11-12T10:38:37Z"}},"role":"Backend","role_family":"Backend","seniority":"lead","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"explicit","locations":["Ireland"],"countries":["IE"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":100000,"max":130000,"currency":"EUR","period":"year","gross":null,"usd_annual":143409},"salary_estimate":null,"experience_years_min":7,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":".NET","optional":false},{"name":"Agile","optional":false},{"name":"Azure DevOps","optional":false},{"name":"C#","optional":false},{"name":"Redis","optional":false},{"name":"SQL","optional":false},{"name":"Azure","optional":true}],"status":"live","first_seen_at":"2026-11-13T22:21:52Z","employer_posted_date":"2026-11-13","last_verified_at":"2026-11-13T22:21:52Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"Job Details\nExperience: 7-9 Years\nSector: \nclass=\"tax-link tax-link--last\">\n.NET Developer\nWe are looking for a Principal Software Developer to act as a technical authority for an established global ERP software provider. Representing the highest individual-contributor level in the engineering team (no formal people management), you will own complex architectural decisions, drive performance optimization, and mentor developers across both Desktop and Web environments.\nRequirements:\nDeep, hands-on expertise in C#, .NET Framework, and .NET Core across both Desktop and Web applications.\nStrong SQL Server skills with experience building database-driven enterprise applications.\nProven ability to design, architect, and deliver scalable functionality within large, established software products.\nAdvanced experience in software profiling, debugging, and system optimization.\nStrong track record of influencing architectural decisions, resolving ambiguous technical problems, and mentoring fellow developers.\nSolid understanding of Agile development practices and full software lifecycle delivery.\nExperience with Redis, MongoDB, DevExpress, and Azure DevOps.\nSalary: 100-130k (potentially negotiable further for the right candidate) \nStrong benefits package including pension and healthcare. \nCan be full remote but you must still be based in Ireland\nCompany which is known for a good work life balance!\nIf this sounds of interest please apply today or reach out to Rebecca Lavery at IT Search for more details\nApply Now\nConsultant detail\n\ntype=\"image/webp\">\nclass=\"team-card-job__img\" width=\"300\" height=\"300\">\n\nRebecca Lavery\nPrincipal Consultant\nteam-card-job__col--line\">\n\nclass=\"team-card-job__link\">\n+353 87 164 8450\n\nclass=\"team-card-job__link\">\n\n\nConnect with 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