C# jobs in Manchester, NH

Remote

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Today

Five (5) years of software development experience using Java and C# in a private, public, government or military environment. Two (2) years of experience with lambda and/or step functions. One (1) year experience with relational SQL / NoSQL databases. One (1) year of experience with developing, implementing and deploying cloud architecture, particularly AWS, for large-scale hosted applications. One (1) year of experience with Python for scripting and test automation.Master's or Bachelor s degree

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Contract, Third Party

Depends on Experience

Software Engineer (Java and C#)

Remote

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Today

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

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

Senior GenTax Developer - C#/PostgreSQL - REMOTE

Remote

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2d 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

.NET/ C# Engineer (Staff Level)

Remote

•

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

Mainframe Consultant With C#.Net Exp

Remote

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2d 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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6d 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

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

C#/VB.NET Developer

Remote or Hybrid

•

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

•

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

Senior C# Developer

Westford, Massachusetts

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Today

Job Title: Senior C# Software Engineer (Windows Applications & Release Engineering) Role Overview We are seeking a highly skilled, hands-on Senior C# Developer to design, build, and maintain scalable, high-performance applications that power our critical business functions. In this role, you will lead the evolution of our application architecture while taking ownership of the full software release lifecycle-from core development and patching strategies to sophisticated installer packaging and d

Full-time

USD 106,100.00 - 114,400.00 per year

Backend Software Engineer Intern - C#, Cloud Security & AI (Undergraduate)

Remote

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Today

WEX is a global commerce platform that has been simplifying the way businesses operate for over 40 years. Our purpose is simple: to reduce administrative burdens, streamline payments, and manage mobility. With a team of over 7,200 professionals across 16 countries. Our specialties are employee benefits, business payments, and fleet/mobility solutions. We support more than 20 million SaaS accounts, 8 million Health Savings Accounts, and 19+ million vehicles worldwide. We're a growing company wit

Part-time

USD 27.00 - 35.00 per hour

Backend Software Engineer Intern - C#/Java & AI Workflows (Undergraduate)

Remote

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Today

Part-time

USD 27.00 - 35.00 per hour

Windows Software Engineer C# - C++

Remote or Phoenix, Arizona

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Today

Rockwell Automation is a global technology leader focused on helping the world's manufacturers be more productive, sustainable, and agile. With more than 28,000 employees who make the world better every day, we know we have something special. Behind our customers - amazing companies that help feed the world, provide life-saving medicine on a global scale, and focus on clean water and green mobility - our people are energized problem solvers that take pride in how the work we do changes the world

Full-time

Software Engineer (SQL/C#)

Remote or Schenectady, New York

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16d ago

LTI (Logic Technology, Inc.) the "Pro People" company is a privately held technology solutions provider that offers best in class services to local, national and global organizations. Now after three decades, these initials have come to represent more than just our company name. They've also come to represent our hard earned reputation for Leadership, Technology and Integrity. At LTI, we believe confident, motivated employees produce superior work, ensuring our existing client relationships cont

Full-time

Software Engineer III : Golang / C#

Remote

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Today

At Jack Henry, we're more than a technology company, we're a force for good in financial services. We're redefining how community banks and credit unions connect with the people they serve. Our mission is rooted in people inspired innovation, empowering financial institutions to deliver seamless, secure, and human centered experiences. We deliver cutting-edge solutions that are paving the way for the next generation of digital banking and payments, but our true impact begins with our associates.

Full-time

USD 78,400.00 - 123,450.00 per year

System Software Engineer

Chelmsford, Massachusetts

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Today

Brooks is a leading provider of automation solutions with over 40 years of experience in the semiconductor industry, offering precision robotics, integrated automation systems, and contamination control solutions that empower chip manufacturers worldwide. Our product portfolio includes a range of automation solutions, including robots, vacuum systems, and atmospheric robots for semiconductor manufacturing ( Are you looking for a place where you can be part of a transformation? Join us at Brooks

Full-time

USD 105,593.46 per year

Sr. Principal C#/.NET Engineer

Westford, Massachusetts

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Today

Job Title: Sr. Principal C#/.NET Engineer (Mission-Critical Systems) Role Overview We are seeking a seasoned Sr. Principal C#/.NET Engineer to lead the modernization and enhancement of a large-scale, mission-critical security integration platform. This is a high-impact technical role for a "heavy hitter" who thrives on solving deep architectural challenges and debugging complex, distributed systems. You will be responsible for accelerating the delivery of high-priority features while ensuring t

Full-time

USD 185,100.00 - 185,100.00 per year

RF/uW Solutions Engineer

Nashua, New Hampshire

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Today

Overview Keysight is at the forefront of technology innovation, delivering breakthroughs and trusted insights in electronic design, simulation, prototyping, test, manufacturing, and optimization. Our ~16,800 employees create world-class solutions in communications, 5G, automotive, energy, quantum, aerospace, defense, and semiconductor markets for customers in over 100 countries. Learn more about what we do. Our award-winning culture embraces a bold vision of where technology can take us and a

Full-time

Systems Software Engineer

Chelmsford, Massachusetts

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Today

Full-time

USD 105,593.46 per year

C# jobs in Manchester, NH, USA