.NET / C# Developer, Senior
Kaimetrix
About Kaimetrix, L. L. C. At Kaimetrix, we deliver complete IT solutions and bring together complex and often siloed services - increasing the value of IT through a holistic, end-to-end approach. We combine real data with expert insights to help organizations modernize, streamline operations, advance IT initiatives, and achieve mission success for federal civilian, defense, and intelligence agencies. Our core capabilities include cybersecurity, data operations, end‑user support, IT management, software development, systems engineering, process improvement, and technical advisory. We believe our greatest asset is our people. We invest in our team’s growth, empower them with autonomy and accountability, and offer meaningful work that supports mission‑focused agencies while advancing your career. Join us if you’re looking to do impactful work, develop professionally, and be part of a culture that values continuous improvement, metrics‑driven performance, and exceptional service. Benefits Summary: Kaimetrix offers a comprehensive benefits package that includes medical, dental, and vision insurance; company‑paid short‑term and long‑term disability coverage; company‑paid life and AD&D insurance with additional voluntary options; a 401(k) and Roth retirement plan with employer matching; paid time off that increases with tenure; 11 paid federal holidays; FSA and HSA options; commuter benefits; annual education reimbursement for approved training and certifications; employer‑paid identity protection; and optional supplemental coverages such as accident, cancer, critical illness, and hospital indemnity. Kaimetrix, L.L.C. is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, or national origin. About the role Kaimetrix is seeking a Senior .NET / C# Developer to support secure, mission‑critical web applications in a Microsoft‑oriented enterprise environment. This role is responsible for designing, developing, testing, and maintaining .NET solutions built with C# , MVC 4+ , and IIS on Windows Server , while applying disciplined SDLC practices, strong defect management, and hands‑on mentorship to junior developers. What you’ll do Design, develop, and maintain web applications using MS .NET, C#, MVC 4+ , and IIS for Windows Server web development Participate in the Software Development Life Cycle (SDLC) , supporting delivery through planning, development, deployment, and sustainment Perform and support development testing activities, including Unit Testing, System Testing, Functional Testing, and User Acceptance Testing (UAT) Develop and support SQL database stored procedures as part of application functionality and maintenance automation Document, track, and communicate software defects using a bug tracking system; report issues to software developers and project managers and support resolution through retest/verification Mentor junior personnel on proper development practices and procedures to improve consistency, quality, and delivery outcomes Collaborate with peers to review code and ensure best practices, team norms, and coding standards are followed Qualifications Eight (8) years of experience in .NET development , including MS .NET, C#, MVC 4+ , and IIS for Windows Server web development Five (5) years of experience working within an SDLC Five (5) years of experience with development testing (Unit/System/Functional/UAT or similar) Five (5) years of experience in SQL database development , including stored procedures Five (5) years of experience mentoring junior personnel on proper practices and procedures Five (5) years of experience documenting software defects using a bug tracking system and reporting defects to developers and project managers Security & Certification Requirements Active TS/SCI clearance with SBI , with the ability to attain SI, TK, G, HCS, and NATO Secret access DoD 8140.03 IAT Level II / Intermediate certification #J-18808-Ljbffr
- ...Kaimetrix is looking for a Senior .NET / C# Developer in Fort Belvoir, Virginia to support mission-critical web applications. The ideal candidate should have extensive experience in .NET development and a proven ability to design, develop, and maintain web solutions....Senior.net
- ...A leading technology services provider in Fort Belvoir, VA is seeking a Senior .NET Developer with 8+ years of experience. The role requires expertise in .NET development, Agile methodologies, and mentoring junior associates. Candidates must have a TS/SCI clearance and...Senior.net
- ...Years of Experience : 8+ years’ experience .NET development; 5+ years’ experience – SDLC,... ...in .NET Development (including MS.NET, C#, MVC 4+, & IIS for Windows Server web development... ...system & reporting defects to software developers & project managers. Requires TS/SCI...Senior.netRemote work
- ...TS/SCI clearance with a CI Polygraph. Please apply only if you have an active TS/SCI clearance with a CI Polygraph. .NET / C# Developer – Senior Position / LCAT: .NET / C# Developer Level: Senior Lead Designation: N/A Location: Fort Belvoir, VA Role Summary...Senior.netFor contractorsFlexible hours
- ...the Government Leverage advanced programming skills to develop and incorporate mandatory fields of the DNI Audit.XML... ...Counterintelligence (CI) polygraph examination ~8 years experience in .NET Development (including MS.NET, C#, MVC 4+, and Internet Information Services (IIS) for....netCivilian ContractorContract workWorldwide
- North Point Technology is seeking a Senior SQL Database Administrator with an active TS/SCI clearance to provide database administration... ...backups. This position plays a crucial role in supporting various .NET applications. #J-18808-Ljbffr North Point TechnologySenior.net
- Kaimetrix in Fort Belvoir, Virginia is looking for a Senior ScrumMaster to enhance software delivery in a government setting. The responsibilities include partnering with developers, estimating project efforts, and guiding teams through Agile processes. Ideal candidates...Senior.net
- ...will have over 8 years of experience in requirements management and software development, including expertise with MS SharePoint and .NET. Responsibilities include documenting customer needs, analyzing business processes, and mentoring junior staff. A TS/SCI clearance is...Senior.net
- ...with a CI Polygraph. ScrumMaster - Senior Position / LCAT: ScrumMaster Level:... ...years of experience working with software developers and customers to scope projects, estimate... ...Information Services (IIS) using the Microsoft .NET Framework Three years of experience...Senior.netFlexible hours
- SENIOR SYSTEMS ADMINISTRATOR: Ensures the stable operation of the in-house computer software... ...connections. This includes planning, developing, installing, configuring, maintaining, supporting... ...: WS2016, MCSA: WS2016, MCSM:DS, M2012 NET, MCM: Windows Server 2016: Directory, MCA...Senior.netLocal areaRemote work
- SQL Database Administrator - Senior (Top Secret with agreement to obtain CI Poly) This job... ...across supported networks for various .NET applications. Maintains quality of service... ...capacity planning, while supporting application developers and end users. Responsibilities Provide...Senior.netImmediate start
- ...SOSi is seeking a highly qualified Senior Application Developer to join our team on site in Fort Belvoir... ...position requires a strong proficiency in .NET Core and extensive experience... ...programming languages and frameworks (such as C#, JavaScript, .NET, or similar). ~...Senior.netWork at officeWorldwideMonday to Friday
- ...Senior Business Analyst / Requirements Engineer About Kaimetrix, L. L. C. At Kaimetrix,... ...if you’re looking to do impactful work, develop professionally, and be part of a culture... ...Information Services (IIS) using the Microsoft .NET Framework . The Senior Business Analyst /...Senior.netTemporary work
$86.8k - $198k
...Job Number: R0240765 Full Stack Cloud Developer, Senior The Opportunity As a full stack developer... ...oriented programming with tools such as C# or Java and back-end development using Python... ...with Java, Python, C#, C/C++, .NET, JavaScript, React, NodeJS, PHP, or Drupal...Senior.netFull timeContract workPart timeLocal area- ...Overview Praescient Analytics is seeking a Senior SQL Database Administrator to provide... ...security of databases supporting custom .NET applications within the Army Intelligence... ...fast query responses and assist application developers with database requirements. Disaster...Senior.netFull time
- ...Technology is seeking a highly Scrum Master - Senior to join our team! Evans & Chambers... ...years of experience working with software developers and customers to scope projects, estimate... ...Information Services (IIS) using the Microsoft .NET Framework. Three years of experience...Senior.net
- ...Senior Software Developer Job Locations US-FL-Tampa | US-VA-Fort Belvoir ID 20... ...modern programming languages such as Java, C#, Python, or JavaScript/TypeScript... ...-end frameworks (React, Angular, Vue, .NET, Spring, Django) Ability to influence...Senior.netFull timeContract workWork experience placementLive out
- ...Network Designs, Inc. in Alexandria, VA is seeking a Senior .NET Developer responsible for full software development life cycle, including modernizing legacy applications. This role requires expertise in .NET Framework and .NET Core, with strong experience in Angular and...Senior.net
$86.8k - $198k
...Job Number: R0240765 Full Stack Cloud Developer, Senior The Opportunity: As a full stack developer... ...programming with tools such as Rails, C#, or Java and back-end development using... ...with Java, Python, C#, C, C++, .NET, JavaScript, React, NodeJS, PHP, or Drupal...Senior.netFull timeContract workPart timeWork at officeLocal areaRemote work- ...The company is looking for an amazingly talented Senior Software Developer to join our team! In this role you will get to develop exploits... ...~3+ years as a software developer ~ Proficient in C and C# and BOFs ~ Should have 1+ years' experience in offensive...SeniorFlexible hours
- ...if you’re looking to do impactful work, develop professionally, and be part of a culture... ...origin. About the role Kaimetrix is seeking a Senior ScrumMaster to support software delivery... ...and custom) and Microsoft IIS using the .NET Framework . What you’ll do Partner with...Senior.netTemporary work
- A defense technology company is seeking a Senior Software Developer to develop exploits, shellcode, and mitigation bypassing. Responsibilities include... ..., an active TS/SCI Clearance, and proficiency in C and C#. The role offers a strong benefits package, including medical...SeniorFlexible hours
- ...Software Developer - Senior Since 2006, MAXISIQ has advanced the state of Cyber RDT&E by bringing together industry expertise in software... ...preference for ReactJS ~ Knowledge of system frameworks including.NET, Git, Angular JS and GitHub ~ Experience with mobile app...Senior.netWork at office
$115k - $120k
...experience, including supervision and strong communication skills. The position offers a competitive pay range of $115,000 - $120,000 annually, based on experience. Interested applicants can send their resumes to Beka Cassidy at ****@*****.***.net. #J-18808-Ljbffr SelectekSenior.net- A consulting firm is seeking a Senior Net-Centric Business Architect to support the DoD OIG OCIO in designing and executing business and operating models. This role involves analyzing business capabilities, facilitating stakeholder engagements, and recommending future-...Senior.net
- ...salary expectations to ****@*****.***. Senior IT Consultant DP George & Company is... ...Software Development Experience with ASP.Net, C#, VB Script, PL/SQL Excellent writing and... ...include Performing tasks in conducting audits Developing audit findings and making...Senior.net
- ...working software development/IT requirements (SharePoint, IIS, .NET); 8+ years mapping business processes to requirements; 5+ years... ...+ years’ experience with the following: Working with software developers & customers to scope projects, estimate levels of effort, &...Senior.net
- ...N/A Job Description Qualifications The Senior SCRUM Master requires the following minimum... ...following areas: Working with software developers & customers to scope projects, estimate levels... ...& with custom code) and MS IIS using MS.NET Framework. SDLC & Agile processes. 3+...Senior.net
- ...a leading Federal contractor that specializes in designing, developing, and delivering information technology and network solutions... .... Military Veterans Encouraged to Apply. Job Description The Senior .NET Developer's responsibilities include participating in the entire...Senior.netFor contractorsWork experience placement
$140k - $200k
...applications using Windows App SDK, WinUI (or related UI frameworks), C#, XAML, and — when needed — C++. Define and enforce best‑practices... ...architecture, including interop between managed code (.NET) and native code. Proven track record of designing, building, and...Senior.netWork at office
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to .NET / C# Developer, Senior. Be the first to apply!
- c#.net developer Fort Belvoir, VA
- .net engineer Fort Belvoir, VA
- .net developer Fort Belvoir, VA
- senior net developer remote Fort Belvoir, VA
- senior c# .net software developer Fort Belvoir, VA
- c# .net web developer Fort Belvoir, VA
- software engineer c# Fort Belvoir, VA
- c# developer Fort Belvoir, VA
- .net Fort Belvoir, VA
- .net with azure Fort Belvoir, VA

