Senior .NET Developer
$90k - $150kTransUnion
TransUnion's Job Applicant Privacy Notice
Personal Information We Collect
Your Privacy Choices
Team Overview
The DHI and DataLink Support organization is responsible for developing and supporting critical insurance technology products that help TransUnion deliver data-driven solutions to customers across the insurance industry. This team consists of four product-focused development teams supporting multiple business-critical applications that contribute to TransUnion's insurance solutions portfolio. This role reports to Director of Software Development. This is a remote position which may require occasional in-person attendance at work-related events at the discretion of management.Role Overview and Core Responsibilities
- Serve as a key technical contributor on the DHI Online Scrum Team, developing and supporting enterprise applications that support TransUnion's Insurance business.
- Lead the design, development, enhancement, and maintenance of secure, scalable applications using the Microsoft .NET technology stack.
- Partner closely with business stakeholders, Product Management, Project Management, and Engineering teams to translate business requirements into technical solutions.
- Play a significant role in the development and ongoing evolution of the TransUnion Telematics platform and related insurance products.
- Design and implement integrations with internal systems and external business partners while ensuring reliability, security, and scalability.
- Support architecture decisions, application modernization efforts, and cloud adoption initiatives that improve performance, maintainability, and operational efficiency.
- Troubleshoot production issues, identify root causes, and implement long-term solutions that improve platform stability and user experience.
- Maintain and improve CI/CD processes, automated testing practices, and deployment pipelines to enable efficient software delivery.
- Ensure development activities align with security best practices, regulatory requirements, and enterprise software development standards.
- Contribute to project planning, solution estimation, technical documentation, and continuous improvement initiatives across the development lifecycle.
Required Knowledge and Experiences
- Bachelor's degree in Computer Science, Information Technology, Information Systems, or a related field; equivalent professional experience will also be considered.
- 5-8+ years of software development experience building, enhancing, and supporting enterprise applications utilizing the Microsoft .NET technology stack.
- Experience working within Agile Scrum environments and collaborating with cross-functional business and technology stakeholders to deliver software solutions.
- Strong understanding of software architecture principles, secure software development practices, and application lifecycle management in enterprise environments.
- Experience designing, supporting, and optimizing relational databases and data access strategies to ensure application performance, scalability, and data integrity.
- Advanced proficiency with C#, ASP.NET MVC, ASP.NET Web API, .NET Framework, and .NET Core/.NET 5/6 for enterprise application development.
- Strong experience with Microsoft Visual Studio and modern software development tools.
- Hands-on experience with SQL Server and PostgreSQL, including database design, development, performance tuning, and complex querying.
- Experience with AWS (Amazon Web Services) or other cloud platforms for application hosting, deployment, and support.
- Experience building, supporting, and maintaining CI/CD (Continuous Integration and Continuous Delivery) pipelines and automated deployment processes.
- Experience building or supporting distributed systems and highly scalable enterprise applications.
- Familiarity with Dependency Injection frameworks such as Autofac, Ninject, or Unity.
- Experience developing and supporting .NET Core applications running in Linux environments.
- Experience with TDD (Test-Driven Development) and automated testing frameworks.
- Knowledge of regulated environments and security frameworks, including HIPAA and PCI compliance requirements.
Benefits that support every part of your life:
At TransUnion, we design benefits to help youfeel well, do well, and plan well-from day one.
For Your Health : Enjoyday-one eligibilityfor medical, dental, and vision coverage, plus supplemental plan options. Spousal, domestic partner, and other eligible dependent coverage is available on select plans. Choose taxadvantagedHSAandFSAaccounts to make everyday care more affordable.
For Your Protection : We've got your back withcompanypaid basic life and AD&D, optionalvoluntary life and AD&Dfor you and your family, andshort and longterm disability. You can also opt into alegal plan,pet insurance, andtravel accident coverage.
For Your Family : Fromadoption assistance and fertility planning coveragetocaregiver support, we're here for every chapter. AccessDependent Care FSA for possibility of an employer match, a View email address on click.appcast.io, andup to 12 weeks of paid parental leavewith eligibility for a thoughtful, gradual return.
For Your Future : Build toward what's next with our401(k) with employer matchandEmployee Stock Purchase Plan (ESPP). Tapfinancial wellness resources,career coaching, and optionallongterm care insuranceto plan confidently.
For You : Grow and recharge withtuition reimbursement,flexible time off for exempt employees or paid time off for nonexempt employees, up to 12 paid holidays per year, commuter benefits, employeediscounts,charitable gift matching, andpaid volunteer time off, plus corporate volunteer events that make it easy to give back.
For Your Wellness : Access24/7 supportincluding professionaltherapy,coaching, and emotional wellbeing programs alongside guided meditation and resources that supportphysical, mental, social, and financial wellness.
We are committed to being a place where diversity is not only present, it is embraced. As an equal opportunity employer, all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, age, disability status, veteran status, genetic information, marital status, citizenship status, sexual orientation, gender identity or any other characteristic protected by law. Additionally, in accordance with Section 503 of the Rehabilitation Act of 1973 and the Vietnam Era Veterans' Readjustment Assistance Act of 1974, TransUnion takes affirmative action to employ and advance in employment qualified individuals with a disability and protected veterans in all levels of employment and develops annual affirmative action plans. Components of TransUnion's Affirmative Action Program for individuals with disabilities and protected veterans are available for review to any associate or applicant for employment upon request by contacting View email address on click.appcast.io.
Qualified applicants with arrest or conviction records will be considered for employment in accordance with applicable law, including the Los Angeles County Fair Chance Ordinance for Employers, the San Francisco Fair Chance Ordinance, Fair Chance Initiative for Hiring Ordinance, and the California Fair Chance Act.
Adherence to Company policies, sound judgment and trustworthiness, working safely, communicating respectfully, and safeguarding business operations, confidential and proprietary information, and the Company's reputation are also essential expectations of this position.
Pay Scale Information: The U.S. base salary range for this position is $90,000.00 - $150,000 annually. *The salary range for this position reflects a reasonable estimate of the range of compensation for this job. At TransUnion, actual compensation is based on careful consideration of additional factors such as (but not limited to) an individual's education, training, work experience, job-related skill set, location, and industry knowledge, as well as the scope and responsibilities of the position and market considerations. Regular, fulltime non-sales positions may be eligible to participate in TransUnion's annual bonus plan. Certain positions may be also eligible for long-term incentives and other payments based on applicable company guidance and plan documents.TransUnion Overview:
At TransUnion, we encourage and are committed to creating a real, positive impact and shared sense of purpose within our Workforce for Good , which empowers our people to grow, innovate and contribute to a better future for our communities and customers. We strive to build an environment where our associates are in the driver's seat of their professional development- while having access to help along the way. We recognize that success comes when our associates thrive both professionally and personally; that's why we prioritize work/life flexibility and offer resources for our teams across the globe to collaborate and drive excellence.
Be a part of our Workforce for Good - you'll work with great people, pioneering products and cutting-edge technology.
TransUnion's Internal Job Title:
Lead Developer, Software DevelopmentCompany:
TransUnion LLC- ...Senior.NET DeveloperNetImpact Strategies is seeking a Senior.NET Developer to join our talented team supporting the development, modernization, and operation of a high-availability, enterprise-scale application in an AWS GovCloud environment. The ideal candidate is a...Senior
- ...Senior Full Stack .NET DeveloperAt Solution Street, our employees have many opportunities to work on interesting, challenging projects supporting... ...do it!We are seeking an experienced Senior Full Stack.NET Developer for a modernization project. This position requires deep...SeniorTemporary workFor contractorsRemote workFlexible hours
$150k - $175k
...Senior Full Stack .NET Developer Remote | $150,000$175,000 Annually We are seeking a highly skilled Senior Full Stack .NET Developer to join our growing engineering team. This role is ideal for a hands-on developer who thrives in a fast-paced, agile environment...SeniorFull timeLocal areaRemote workRelocation- ...Senior .NET Developer with MAUI, TDD, and Azure Expertise Location: Atlanta, GA (Hybrid) Need local candidates Visa: GCEAD , H4EAD, H1B( trusted ) Duration: 6 months Need LINKDLEN Need experience of (.net or vb.net or asap.net...SeniorH1bLocal areaImmediate start
- ...assignment for the duration of the assignment period.Must HavesASP.NET, SQL server, C#. Ex Freddie is preferred.Experience In• Solid... ...AngularJS, JQuery, JavaScript, HTML and CSS• Experience in developing / maintaining windows desktop applications developed in VB6 would...SeniorFlexible hours
- ...Senior.Net Application DeveloperMarathon TS is seeking a Senior .Net Application Developer to support the critical mission of the Drug Enforcement Administration (DEA). We are developing the applications that provide the tools necessary for our drug enforcement agents...Senior
$115k - $130k
...Senior.NET Developer Revolutional delivers advanced technology solutions and mission support to federal agencies across civilian, health, and national security environments. We apply modern capabilities, including AI/ML, cloud, cybersecurity, and IT modernization to...SeniorPermanent employmentFull time$130k - $145k
Responsibilities Technica Corporation is seeking a .NET Full Stack Developer, Senior is responsible for the design, development, testing, and management of application development projects in support of IT infrastructure. This includes programmatic integration of third...SeniorWork experience placementRemote work- ...DescriptionUSM Business Systems Inc. is a quickly developing worldwide System Integrator, Software and... ...mission.MUST have skills:1. Angular2. .NET Core (Microsoft)The Project: The team (9... ...TechnologyExperience level: Mid-Senior LevelIndustry: Information Technology And...Temporary workWorldwideFlexible hours
- ...programmer with robust technical design capabilities and good knowledge in implementing design patterns such as MVC• Experience developing in.NET technologies, REST API and SOAP• Strong programming skills, design and analytic skills, excellent working knowledge of C#, ASP...
- ...Developer With Experience In Client And Server-Side JavaScript DevelopmentComtech LLC is a woman-owned small business focused on delivering end-to-end solutions and products. Since 1998, we have successfully serviced enterprises across the public and private sectors, and...
- ...Overview The Senior NET Blazor is responsible for building secure, high‑quality application features within the VA‑EISS platform using... ..., testing, remediation, and production readiness Develop secure, high‑quality C#, .NET, and Blazor features for VA‑...SeniorTemporary workWork at officeImmediate startFlexible hours
- ...time) from across the company to pursue an opportunity. Helps to develop capture strategies, analyze market trends that affect a pursuit... ...Manages the entire schedule and presents at key milestones to senior leadership, prepares interim reviews and work products, and...SeniorFull timePart timeInterim role
- SAIC is seeking an experienced Solutions Architect to join the Solutions & Technology group. The role is based in Chantilly, VA, with hybrid options in Reston or Arlington, VA, reporting to the Intel Space CTO. You will translate complex government requirements into...Senior
- ...across web and Windows platforms using C#, .NET, and SQL Server . You will work on APIs,... .... You will collaborate closely with senior engineers, DevOps, QA, and business... ...applications for web and Windows platforms Develop and support RESTful APIs and...Full timeContract workRemote workWorldwide
$200k - $240k
...captures and proposals in response to government RFPs, RFIs, and Sources Sought notices in support of IC and DoW programs Author and develop technical volumes, white papers, and solution narratives from concept to completion with minimal direction Analyze and decompose...Senior- ...individual with deep technical knowledge and strong analytical skills in Identity and Access Management (IAM) to join our team as a Senior Principal Information Engineer. This is a full-time remote role with minimal travel requirements.This Senior Principal Information...SeniorFull timeFor contractorsRemote work
- ...AttainX Inc. is seeking a Principal Software Developer Architect to support a USDA government client. The role is based in Herndon, VA with remote options and requires 10+ years in software development, architecture, and cloud platforms. You will lead cross-functional...SeniorRemote work
$154.05k - $278.48k
...in annual proposal submissions and is seeking an extraordinary Senior Principal Proposal Excellence Strategist to serve as one of our... ...a proven proposal expert capable of leading proposal efforts, developing compelling written content, engineering high-quality oral presentation...SeniorFull timeWork at officeFlexible hours$86k - $138k
....NET Software Developer Job Locations US Requisition ID 2026-169906 Position Category Information Technology Clearance Secret Responsibilities Peraton is looking for a .NETSoftware Developer. The qualified candidate...Contract workTemporary workInterim roleRemote workShift work- ...Location: Reston, Virginia Type: Contract Job #3560 Title: .NET Developer Location: Chantilly, VA *Clearance: *Active TS/SCI w/ Polygraph needed to apply * Company Overview: Cornerstone Defense is the Employer of Choice...Contract work
$200k - $240k
...captures and proposals in response to government RFPs, RFIs, and Sources Sought notices in support of IC and DoW programs Author and develop technical volumes, white papers, and solution narratives from concept to completion with minimal direction Analyze and decompose...Senior- Visual Connections, LLC is looking for a Senior Software Engineer to join their McLean, VA team. The candidate must have a strong background in .NET development and SQL, with at least 8 years of experience in software engineering. The role involves designing and maintaining...Senior
- ...KDA Consulting Inc. is seeking a talented Full Stack Developer to support the design, development, and maintenance of enterprise-level... ...APIs, and business logic using technologies such as Node.js, .NET, or Java Application Architecture & Integration Design and...SeniorFull time
- DescriptionWe are looking for an experienced Full Stack Senior Software Engineer to join a growing team in... ...high-quality products.Responsibilities:• Design, develop, and enhance full-stack software solutions using C#, .NET, ASP.NET, JavaScript, and React.js.• Build...Senior
$66k - $106k
....Net CAD Developer Job Locations US Requisition ID 2026-167631 Position Category Information Technology Clearance No Clearance Required Responsibilities As the world's leading mission capability integrator and transformative...Contract workCasual workLocal areaRemote workWork from homeShift work$90k - $130k
...Mid-Level Full Stack Developer (.Net and Azure) Dev Technology Group Reston , VA NEW Full Time Mid-Level Full Stack Developer (.Net and Azure), #1090 Location: Herndon, VA (hybrid once a quarter) Clearance: U.S. Citizenship is required. Must be able to obtain TSA Public...Full timeRemote workFlexible hours$176k - $282k
ResponsibilitiesPeraton is seeking an experienced Senior Principal Architect to serve as the technical lead and solution authority for... ...Civilian pursuits. This individual will be responsible for developing innovative, mission-focused technical solutions for opportunities...SeniorContract workShift work$172.3k - $376.51k
...Company is entrepreneurial, dynamic, and growth-oriented, and the Senior Counsel – Corporate and Securities serves as a valued partner... ...responsibilitiesEstablishing operational plans for job area.Developing and implementing new products, processes, standards or operational...SeniorFull timeContract workWork experience placementLocal area$130k - $145k
...Inc. is seeking an experienced Full Stack Senior Software Engineer to work on site in... ...marketing, and sales. You will design and develop end-to-end solutions that integrate application... ...the Microsoft ecosystem, including .NET, SQL, and Azure services. Collaborate with...Senior
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior .NET Developer. Be the first to apply!
- c# .net web developer Reston, VA
- senior c# .net software developer Reston, VA
- senior net developer remote Reston, VA
- senior dynamics crm developer Reston, VA
- senior application security Reston, VA
- senior plumbing designer Reston, VA
- senior ux designer Reston, VA
- senior cloud data engineer Reston, VA
- senior Reston, VA
- senior customer success engineer Reston, VA



