{"id":2959022,"url":"https://alion.io/job/maricopa-county-senior-net-applications-developer","title":"Senior .NET Applications Developer","company":{"id":1763865,"name":"Maricopa County","domain":"maricopa.gov","url":"https://alion.io/company/maricopa-gov","size_band":"501-1000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"A","score":93,"open_postings":17,"ghost_share":0,"stale_share":0.471,"repost_share":0,"time_to_fill_p50_days":11,"computed_at":"2026-10-24T06:02:35Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Phoenix, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":87000,"max":156500,"currency":"USD","period":"year","gross":null,"usd_annual":156500},"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"ASP.NET Core","optional":false},{"name":"Azure","optional":false},{"name":"Azure DevOps","optional":false},{"name":"C#","optional":false},{"name":"Checkmarx","optional":false},{"name":"CI/CD","optional":false},{"name":"Claude Code","optional":false},{"name":"Copilot","optional":false},{"name":"Cursor","optional":false},{"name":"JavaScript","optional":false},{"name":"JQuery","optional":false},{"name":"Kanban","optional":false},{"name":"Microsoft Entra ID","optional":false},{"name":"Okta","optional":false},{"name":"Scrum","optional":false},{"name":"SQL","optional":false}],"status":"live","first_seen_at":"2026-10-20T22:21:17Z","employer_posted_date":"2026-10-20","last_verified_at":"2026-10-22T06:54:08Z","board_verified":false,"closed_at":null,"days_open":4,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":4},"description":"Posting Date\n10/20/26Application Deadline\n10/27/26Pay Range\n$87,000 - $156,500 annuallySalary offers are based on the candidate's equivalent experience and internal equity with other employees within the same job classification. This position is not eligible for overtime compensation.\nJob Type\nUnclassifiedDepartment\nEnterprise TechnologyAbout the Position\nEnterprise Technology and Innovation is seeking a highly skilled Senior .NET Applications Developer who is passionate about building scalable, secure, and innovative enterprise applications using modern Microsoft technologies. This role will focus on designing, developing, and maintaining robust solutions leveraging the .NET ecosystem, including ASP.NET, C#, RESTful APIs, and related technologies.\nThe ideal candidate will not only have hands-on experience developing complex business applications and integrations but will also bring a strong understanding of software architecture, development best practices, security, and application lifecycle management to ensure solutions are maintainable, performant, and aligned with organizational standards. If you thrive on solving challenging technical problems, mentoring others, and driving digital transformation through modern application development, this is your opportunity to make a measurable impact.\nAbout Us\nAre you looking for a career in a dynamic organization that embraces a can-do spirit? Look no further than Maricopa County’s Enterprise Technology & Innovation!\nWe are a team that prides ourselves on leveraging technology to create digital transformations. We look for ways to bring about innovative solutions while providing top-notch customer service. Apply today and become part of the team that makes a lasting impact on the future of technology at Maricopa County.\nProud To Offer\nWork with a greater purpose\nTuition reimbursement\nExceptional work-life balance, with hybrid and alternative work schedules options available\nOpportunities for growth and development within Maricopa County\nLow-cost, high-value healthcare for you and your qualifying dependents\nChild care benefits, including access to the Maricopa County Kids Club, dedicated to serving Maricopa County families\nPaid vacation, sick time, and parental leave\nExtensive wellness program, including an incentive\nEnrollment in the Arizona State Retirement System, a defined retirement benefit requiring an 11.98% per paycheck contribution rate that includes a 100% employer match on Day 1\nWant to learn more about the County’s Qualifying and Compensation Philosophy? Follow this link to learn more! Work With Us | Maricopa County, AZ\nWe Require\nFive (5) years of progressively responsible experience in application development, programming, systems analysis, software implementation, systems integration, or related information technology functions, including the design, development, maintenance, modernization, and support of enterprise applications utilizing Microsoft .NET, C#, Visual Studio, SQL Server, HTML5, CSS, JavaScript/jQuery, Azure DevOps (ADO), RESTful APIs, and Internet Information Services (IIS)\nBachelor's degree in Computer Science, Information Technology, Software Engineering, or a closely related field\nAn equivalent combination of post-secondary education and/or job-related experience may substitute for the required experience on a year-for-year basis \n We Also Value\nExperience acting as a technical project lead\nStrong customer service and communication skills with the ability to effectively collaborate with both technical and non-technical stakeholders\nKnowledge of Software Development Life Cycle (SDLC) principles and best practices\nAbility to lead technical design efforts and provide guidance on application architecture, scalability, security, and maintainability\nDemonstrated ability to collaborate effectively within a team of experienced developers, fostering a culture of knowledge sharing, continuous learning, mentorship, and mutual respect\nUnderstanding of ALM practices and CI/CD pipelines within Azure DevOps (ADO)\nExperience documenting and analyzing legacy applications, business processes, and technical architectures to support modernization initiatives\nFamiliarity with responsive web design and adhering to WCAG guidelines for web accessibility\nExperience migrating applications from on-premises environments to Azure cloud services and modernizing legacy .NET Framework applications to current .NET versions (.NET 8+)\nFamiliarity with AI-assisted development tools such as GitHub Copilot, Claude Code, Cursor, or similar technologies to improve developer productivity and code quality\nExperience implementing and integrating Single Sign-On (SSO) and identity management solutions, including Okta, Microsoft Entra ID (Azure AD), SAML and OAuth\nFamiliarity with DevSecOps principles and application security tools such as Checkmarx or similar platforms\nExperience leading or supporting Agile transformations, including adoption of Scrum, Kanban, or other iterative development methodologies\nFamiliarity with integrating enterprise applications using Enterprise Service Bus (ESB), message queue, event-driven, or API-based integration patterns\nJob Contributions\nProvides technical leadership, guidance, and mentorship to lower-level analysts and technical staff; assigns, reviews, and evaluates work products while promoting adherence to development standards and best practices\nDesigns, develops, implements, integrates, and maintains enterprise applications, automation solutions, and supporting systems to meet business and operational requirements\nLeads coordination efforts with IT Security, project managers, business analysts, infrastructure teams, vendors, and stakeholders throughout the application development and implementation lifecycle\nDevelops, tests, validates, and implements application enhancements, system modifications, and software solutions while troubleshooting and resolving complex technical issues\nPlans and executes application deployments, upgrades, migrations, testing activities, data conversions, and system configurations while ensuring minimal disruption to business operations\nDevelops and maintains technical documentation, operating procedures, disaster recovery plans, training materials, and knowledge transfer documentation to support system sustainability and operational continuity\nEvaluates business processes, workflows, and user requirements; recommends and implements automated solutions, system enhancements, and process improvements that improve efficiency and service delivery\nReviews departmental needs and user requests, prepares technical specifications, and collaborates with stakeholders to design effective technology solutions\nParticipates in production support activities, including troubleshooting, issue resolution, root cause analysis, and on-call support for critical enterprise systems and applications\nWorking Conditions\nThe employee in this position typically works in an office or administrative environment and is not substantially exposed to adverse environmental conditions. The employee may be required to occasionally exert up to 10 pounds or frequently lift negligible amounts while performing work functions. This work is primarily sedentary.\nSelection Procedure\nConsideration will only be given to candidates who submit online applications\n\nCandidates will be contacted primarily through email and their Workday online application profile\n\nMust pass a pre-employment background and/or fingerprint investigation as required by statute or policy, including drug and alcohol testing requirements for positions designated as safety-sensitive\n\nMaricopa County is an equal opportunity employer and is committed to providing equal employment opportunities to all applicants. If you require a reasonable accommodation during the application process or to perform the essential functions of the position under the Americans with Disabilities Act (ADA), please contact  to initiate the interactive process.\nApply Now!","description_format":"text","description_chars":8042,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":["Continuous learning","Equity","Parental leave"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Public Health & Prevention","Public Administration & Local Government"],"lifecycle":[{"event":"open","at":"2026-10-20T22:21:17Z"}],"visa":[{"country":"US","licensed_sponsor":true,"evidence":"Filed H-1B visas in the last two years","filings_12m":0,"filings_prev_12m":1,"green_card_filings_12m":0,"median_offered_wage_usd":null,"route":null,"cap_exempt":false,"checked_at":"2026-10-15T11:24:14+00:00","sources":["US Department of Labor: LCA disclosure data (H-1B, H-1B1, E-3)"],"filings_for_role_12m":0}],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":3,"expected_fill_days":11,"reasons":["conf:47","velocity","win:early","comp:brand"],"computed_at":"2026-10-24T06:02:35Z"},"pay":{"stated_usd_annual":156500,"is_top_pay":false},"html_url":"https://alion.io/job/maricopa-county-senior-net-applications-developer","json_url":"https://alion.io/job/maricopa-county-senior-net-applications-developer.json","meta":{"generated_at":"2026-10-24T23:07:05Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":33951,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-25T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":1763865},"rest":"https://alion.io/mcp/rest/get_company?id=1763865"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fmaricopa-county-senior-net-applications-developer"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fmaricopa-county-senior-net-applications-developer"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fmaricopa-county-senior-net-applications-developer"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/maricopa-county-senior-net-applications-developer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fmaricopa-county-senior-net-applications-developer"}]}