C# jobs in Round Rock, TX

Senior Software Engineer, .NET/C# (Authentication

Austin, Texas

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Today

Location: Austin, TX Salary: $65.00 USD Hourly - $70.00 USD Hourly Description: Our client is currently seeking a Senior Software Engineer, .NET/C# (Authentication Location: Hybrid in Austin, TX (On-site 4 days per week) Job Type: 3 months (strong possibility for extension) About the Role As a Senior Software Engineer on the Identity & Access Management (IAM) team, you will serve as a hands-on technical lead in a fast-paced Agile environment. You will divide your focus equally between system

Contract

Compensation information provided in the description

.net/C# Developer - Senior

Austin, Texas

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Today

job summary: The Senior .NET/C# Developer, with skills equivalent to 6-10 years in a comparable position, will serve as a hands-on lead developer in a dynamic, fast-paced, and Agile environment. This role is a part of the Online Security Technologies team, responsible for designing, developing, and supporting a mission-critical Authentication platform. The responsibilities are divided into 50% design and 50% development, requiring the successful candidate to contribute both as a coder and syste

Contract

USD60 - USD63

Sr. Fullstack Engineer / C#.Net / Angu;lar 10_

Austin, Texas

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Today

Our client is a software and consulting company with long-standing client relationships and an emerging products division. Their primary expertise is in application development, data visualization, Information Technology (IT), and Their clients include large financial firms, utilities and Federal customers. They are looking for a Sr. Full-stack Web Developer with strong Anguler10+, C#.Net, API, SQL, and Cloud experience responsible for building web applications alongside system architect's for o

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Contract

USD 65.00 - 75.00 per hour

C#.NET Developer with Trading And Capital Market Exp

Remote

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Today

JOB DESCRIPTION: Please apply only if you have Investment banking/Capital market experience. Role: C#.NET Developer with investment banking and Capital Market exp.Location: NY(Remote)Job Type: W2 / Fulltime Client is looking for a reliable full stack Dot Net developer ASAP.Wealth Management & Capital Market (Trading, Equities, Portfolio) Exp. Must.SQL, C#, .NET, Full stack developer with 8+ years of experienceProficiency in C#, .NET framework, and object-oriented programming principles.Experienc

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Full-time

Depends on Experience

Senior Electrical Engineer

Austin, Texas

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Today

Now Hiring: Senior Electrical Engineer Location: Austin, TX Pay Rate: $75.00 - $90.00/hr (Based on Experience) Are you an experienced Electrical Engineer looking to work on cutting-edge automated test and measurement systems? Join a dynamic engineering team where you'll lead custom hardware solutions, collaborate with cross-functional teams, and help deliver complex projects for industry-leading customers worldwide. Job Duties: Design, develop, and support custom electrical engineering solut

Full-time

USD 75.00 - 90.00 per hour

C#/Duck Creek Developer (Field Engineer)

Remote or Hybrid

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Today

Precision is seeking THREE (3) Duck Creek/C# Developers for a contract position with our Fortune 100 client. This fully remote role supports software applications and platform enhancements using Duck Creek Policy, C# .NET, Kafka, and API development. You will analyze requirements, create programming specifications, develop and test code, support production applications, and maintain technical documentation. The role requires strong troubleshooting, problem-solving, organization, and communicatio

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Contract

DOE

.NET/ C# Engineer (Staff Level)

Remote

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Today

About the roleWe are looking for a Staff engineer who is equally comfortable in .NET/C# and Python, with strong SQL skills, to build and evolve backend services in an event-driven architecture. You will own features end to end and work directly with the client's engineering team with a high degree of independence. Key responsibilities Design, build and maintain backend services and APIs in .NET/C# Build services, integrations and data or automation tooling in Python Design database schemas, wr

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Full-time, Third Party

70 - 90

Senior GenTax Developer - C#/PostgreSQL - REMOTE

Remote

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3d ago

Job Description: No Corp to Corp, Only W2/ 1099 Resumes will be considered Work Location: 100% Remote (Manager is willing to consider candidates in Eastern, Central, Mountain, and Pacific Time Zones) The candidate will be responsible for analysis, design, coding, testing, and documentation. The candidate will code enhancements and develop required fixes to production problems using the functional and technical programming standards of the GenTax system. The tool set will include C#, PostgreSQL,

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Contract

Depends on Experience

Software Engineer (Java and C#)

Remote

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Yesterday

Title: Software Engineer (Java and C#) Location: Remote Duration: 6+ Months contract At Solventum, we enable better, smarter, safer healthcare to improve lives. As a new company with a long legacy of creating breakthrough solutions for our customers toughest challenges, we pioneer game-changing innovations at the intersection of health, material and data science that change patients' lives for the better while enabling healthcare professionals to perform at their best. Because people, and thei

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Contract

Depends on Experience

SalesForce Developer, Lead - SQL, Apex

Hybrid in Austin, Texas

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Yesterday

No sponsorship available. No third-party candidates. **PleasenotethisisahybridroleinNWAustin-3dayson-site Areyoureadytojoina$33billioncompanyprovidingfundingandservicestoAmericanwhohelpbuildthisgreatcountry? Thecooperativelyownedfinancialinstitutionisoneofthenation'slargestsourcesoffinancing for America. Theyneedyou,anexperiencedLeadSalesForceDevelopertowearmultiplehatsasyoujoinoneofthemostimportant,mission-criticalteamswithinthecompany. KEYRESPONSIBILITIES Lead,coach,anddevelopdatabaseandap

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Contract

Depends on Experience

.Net Developer_ Austin, TX_Need Local_No Relocation_F2F Interview

Austin, Texas

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8d ago

Role:- Full stack .Net Developer Location:- Austin, TX Need Local | No Relocation| F2F Interview Need to be comfortable with Coding Exercise Who are we looking for? Full stack .Net Developer having strong hands-on experience in developing WebAPI/Microservices using .Net core stack/SQL server in Agile development environment. Must have good working experience in an offshore development team based out of India. Must have prior experience in customer facing role. Technical Skills: Over 10-13 Year

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Third Party, Contract

Depends on Experience

Sr. Software Systems Engineer (C#/.NET Developer)

Remote

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Today

Job ID: 2616718 Location: Remote Work, TX, US Date Posted: 2026-09-10 Category: Engineering and Sciences Subcategory: Systems Engineer Schedule: Full-Time Shift: Day Job Travel: No Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: ORA_REMOTE Description SAIC is searching for a motivated, career and customer-oriented Sr. Software Engineer (C#/.NET Developer) who will work across EDI transaction processing, backend API develo

Full-time

USD 80,001.00 - 120,000.00 per year

Mainframe Consultant With C#.Net Exp

Remote

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3d ago

Job Title : Mainframe Consultant With C# .Net Experience Needed Location : 100% Remote role Duration : 12+ Month Contract Job Summary : The Client islooking for a Mainframe Developer with strong C#.NET coding experience and excellent client-facing and communication skills. Mandatory Skills: 8 + Years of Mainframe development experience (COBOL, JCL, CICS, DB2, VSAM).Strong hands-on C#.NET development experience for application integration and modernization.Experience integrating C#.NET applicati

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Contract

Depends on Experience

Mainframe with C#

Remote

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7d ago

Role :- Mainframe Consultant with .Net C# Location: | Remote Contract OpportunityLooking for a strong Mainframe Developer with:Hands-on C# coding experience Strong Mainframe experience Excellent communication skills Ability to work independently in a remote environment

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Contract, Third Party

Depends on Experience

C#/VB.NET Developer

Remote or Hybrid

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Today

Our Fortune 100 client is seeking a Senior IT Software Developer for a 12-month contract assignment. This remote role focuses on developing software solutions, with approximately 80% back-end development and 20% front-end development. The developer will analyze requirements, write and modify complex code, test applications, support production systems, and maintain technical documentation. The role requires strong experience with VB.NET, C#, SQL Server, integration and reporting services, SQL Alw

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Contract

DOE

Sr. Software Systems Engineer (C#/.NET Developer)

Remote

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Today

Job ID: 2616245 Location: Remote Work, TX, US Date Posted: 2026-08-28 Category: Engineering and Sciences Subcategory: Systems Engineer Schedule: Full-Time Shift: Day Job Travel: No Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: ORA_REMOTE Description SAIC is searching for a motivated, career and customer-oriented Sr. Software Engineer (C#/.NET Developer) who will work across EDI transaction processing, backend API develo

Full-time

USD 80,001.00 - 120,000.00 per year

C Sharp / .Net Developer

Austin, Texas

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Today

Your Opportunity At Schwab, you're empowered to make an impact on your career. Here, innovative thought meets creative problem solving, helping us challenge the status quo and transform the finance industry together. We believe in the importance of in-office collaboration and fully intend for the selected candidate for this role to work on site in the specified location(s). As a Software Development Engineer on the Transaction Posting System (TPS) team, you will help power one of Schwab's most

Full-time

USD 50.48 - 55.77 per hour

Sr. .net/C# Developer

Austin, Texas

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Today

Sr. .net/C# Developer: On behalf of our Technology client, Procom is searching for a Sr. .net/C# Developer for a 3 month contract. This position is a hybrid position with 4 days onsite at our client's Austin, TX office. Sr. .net/C# Developer - Job Description: The Senior .NET/C# Developer will serve as a hands-on lead developer in a dynamic, fast-paced, and Agile environment. This role is part of the Online Security Technologies team, responsible for designing, developing, and supporting a mi

Full-time

Senior .NET/C# Developer

Austin, Texas

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Today

Senior .NET/C# Developer: On behalf of our Online Security Technologies client, Procom is searching for a Senior .NET/C# Developer for a 3 month role. This position is a hybrid position with 4 days onsite at our client's Austin, TX office. Senior .NET/C# Developer - Job Description: The Senior .NET/C# Developer will play a key role in designing, developing, and supporting a mission-critical Authentication platform. This includes both coding and system design, with responsibilities divided equa

Full-time

Staff Software Engineer (.Net/C#)

Austin, Texas

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4d ago

About Us Visa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to uplifting everyone, everywhere by being the best way to pay and be paid. At Visa, you'll have the opportunity to create impact at scale - tackling meaningful challenges, growing your skills and seeing your contributions impact lives around the world. Join Visa and do work that ma

Full-time

C# jobs in Round Rock, TX, USA