C# Jobs in New York

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.NET Microservices Developer - (C#, .NET Core, ASP.NET, SQL Server)

Cloud and Things

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New York, USA

Third Party, Contract

Our goal is to solve problems and deliver results for our clients. At Cloud and Things, you can be a part of transforming the public sector's IT environment. Our team is on the forefront of helping to solve the government's most complex IT challenges. If you are seeking a role that offers the opportunity to work on rewarding projects, consider a career with Cloud and Things. *This is an exempt position. Salary commensurate with experience* Overview: We are seeking a .NET Microservices Developer
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Posted 6 days ago | Updated 5 hours ago

Software Developer (C#, .NET framework, .NET Core, JavaScript, and CSS)

Techgroup America Inc.

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Remote

Contract

Job Details Position: Software Developer Location: Remote Duration: 6-month contract Start Date: 7/21/2025 Description: The Software Developer Level 3 is responsible for leading a small agile development team within our Enterprise Services & Integrations systems. This role involves designing, developing, and implementing software solutions using C#, .NET framework, .NET Core, JavaScript, and CSS. The ideal candidate will have experience building RESTful APIs, web services for data transfer an
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Posted 6 days ago

UI Developer (.Net C#, APIs) Remote

Gainwell Technologies LLC

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Remote or Milwaukee, Wisconsin, USA

Full-time

Be part of a team that unleashes the power of leading-edge technologies to help improve the health and well-being of those most vulnerable in our country and communities. Working at Gainwell carries its rewards. You'll have an incredible opportunity to grow your career in a company that values work flexibility, learning, and career development. You'll add to your technical credentials and certifications while enjoying a generous, flexible vacation policy and educational assistance. We also have
Posted 35 days ago | Updated 1 hour ago

C#.NET API Developer

TriCom Technical Services

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Remote

Contract

C#.NET API Developer Summary This C#.NET API Developer will focus on developing financial applications, creating workflows, and API integration. Responsibilities Support the company's financial systems.Develop Web-based solutions for internal customers business needs using C#/MVC.NET and MS SQL.Develop methods and processes to interact with various Cloud-based APIs using SOAP and RESTful APIs.Develop and maintain data synchronization between various systems within and between the company and o
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Posted 15 days ago

.Net, C#, C++ Lead Engineer

Photon

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Remote

Contract

Greetings everyone, I hope you are staying safe. We are hiring a .Net, C#, C++ Lead Engineer to join our Digital Engineering team. Who are we? For the past 20 years, we have powered many Digital Experiences for the Fortune 500. Since 1999, we have grown from a few people to more than 4000 team members across the globe that are engaged in various Digital Modernization. For a brief 1 minute video about us, you can check ;/u> Job Title: .Net, C#, C++ Lead Engineer Location: Remote Job Description:
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Posted 50 days ago | Updated 21 days ago

C# Software Developer

Zachary Piper Solutions, LLC

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Remote

Full-time

Piper Companies is seeking a C# Software Developer to join a leading shipping and logistics organization. The C# Software Developer will work on backend development, automate workflows, and assist in designing cloud-based applications, with an emphasis on data. Responsibilities of the C# Software Developer include: Lead the design, development, testing, and deployment of .NET C# applications. Architect complex data structures for rate audits of parcel carrier invoice files. Design, develop, an
Posted 48 days ago | Updated 22 days ago

*C# Developer with Strong SQL Development experience (Experience working in Hedge Fund background)*

Kellton

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Remote

Contract

Kellton Tech is a full-service software development company, offering end-to-end IT solutions, strategic technology consulting and product development services in Web, SMAC (Social, Mobile, Analytics, Cloud), ERP-BPM, and IoT space Our methodology of inventing infinite possibilities with technology helps us develop best in-class and cost effective solutions for our clients. Currently Kellton Tech is looking for talented resources for one of our listed client. Below are the position details: Po
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Posted 60+ days ago | Updated 2 days ago

Software Engineer II (Python or C#/.Net) Remote

ConsultNet, LLC

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Remote or Birmingham, Alabama, USA

Full-time

Software Engineer II (Python or C#/.Net) Remote (EST or CST) 8 month contract Pay Rate: $50.00 to $52.00 per hr. We're looking for a hands-on Software Engineer II to support a major migration from a legacy system to a modern enterprise data platform. This role is part of an ongoing transformation project that began in early 2025. You'll help accelerate development by contributing to backend services and high-performance data pipelines in a collaborative Agile environment. Key Responsibilities De
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Posted 49 days ago | Updated 4 hours ago

Senior Software Engineer (C#)

Rockstar Games

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New York, New York, USA

Full-time

At Rockstar Games, we create world-class entertainment experiences. Become part of a team working on some of the most rewarding, large-scale creative projects to be found in any entertainment medium - all within an inclusive, highly-motivated environment where you can learn and collaborate with some of the most talented people in the industry. Rockstar New York is on the lookout for talented C#/.NET Developers who consider software development to be a craft, and possess a passion for tackling c
Posted 60+ days ago | Updated 5 hours ago

Senior Full Stack Engineer (C#/React)

Rockstar Games

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New York, New York, USA

Full-time

At Rockstar Games, we create world-class entertainment experiences. Become part of a team working on some of the most rewarding, large-scale creative projects to be found in any entertainment medium - all within an inclusive, highly-motivated environment where you can learn and collaborate with some of the most talented people in the industry. Rockstar Games is seeking a talented and experienced Senior Full Stack Engineer to join our online development team. With the rapid growth of Grand Thef
Posted 60+ days ago | Updated 5 hours ago

Senior Software Development Engineer In Test (C#)

Rockstar Games

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New York, New York, USA

Full-time

At Rockstar Games, we create world-class entertainment experiences. Become part of a team working on some of the most rewarding, large-scale creative projects to be found in any entertainment medium - all within an inclusive, highly-motivated environment where you can learn and collaborate with some of the most talented people in the industry. Rockstar is on the lookout for a talented Senior Software Development Engineer in Test (SDET) to add to our team to work closely with our Online Services
Posted 38 days ago | Updated 5 hours ago

Senior Lead Software Engineer - C# .NET - Trading Applications

JPMorgan Chase & Co.

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Jersey City, New Jersey, USA

Full-time

Job Description Be an integral part of an agile team that's constantly pushing the envelope to enhance, build, and deliver top-notch technology products. As a Senior Lead Software Engineer at JPMorgan Chase within the Corporate & Investment Bank, you are an integral part of an agile team that works to enhance, build, and deliver trusted market-leading technology products in a secure, stable, and scalable way. Drive significant business impact through your capabilities and contributions, and ap
Posted 41 days ago | Updated 5 hours ago

C# Pricing Developer -AVP

Barclays

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New York, New York, USA

Full-time

Job Description Purpose of the role To design, develop and improve software, utilising various engineering methodologies, that provides business, platform, and technology capabilities for our customers and colleagues. Accountabilities Development and delivery of high-quality software solutions by using industry aligned programming languages, frameworks, and tools. Ensuring that code is scalable, maintainable, and optimized for performance.Cross-functional collaboration with product managers, d
Posted 60+ days ago | Updated 5 hours ago

Senior Software Engineer (Cloud Native - C#/.NET)

Copeland

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Remote or Kennesaw, Georgia, USA

Full-time

About Us We are a global climate technologies company engineered for sustainability. We create sustainable and efficient residential, commercial and industrial spaces through HVACR technologies. We protect temperature-sensitive goods throughout the cold chain. And we bring comfort to people globally. Best-in-class engineering, design and manufacturing combined with category-leading brands in compression, controls, software and monitoring solutions result in next-generation climate technology th
Posted 4 days ago | Updated 5 hours ago

Early in Career Windows Software Engineer (C++, C#)

Rockwell Automation

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Remote or Phoenix, Arizona, USA

Full-time

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
Posted 16 days ago | Updated 5 hours ago

Commodities Application Developer (C#, React, TypeScript) - AVP - Houston (Hybrid)

Citi

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Remote or Houston, Texas, USA

Full-time

The role is for a C# developer who will be working within a small team on Commodities Marking and Market Discovery Platform used by traders across the regions. We offer the opportunity to grow professionally, learn new technologies and gain business knowledge. Responsibilities: Develop the Platform using C# with an opportunity to learn React during WPF to React migrationWork directly with quants and traders to specify requirements and own deliveries and 3rd line support to provide daily communi
Posted 23 days ago | Updated 5 hours ago

Sr. Software Developer - C#/WPF for UI/UX Development

Esri

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Remote

Full-time

Overview This is a great opportunity to join a fast-paced agile team that works with the latest technologies and patterns, asynchronous programming, and MVVM to design and develop next-gen Esri software. We are focused on designing and developing solutions for working with raster and imagery in ArcGIS Pro. Our tools support complex real-life workflows in 2D & 3D for raster / image processing and analysis. If you are excited about user interaction and user interface development, then join our cr
Posted 60+ days ago | Updated 5 hours ago

Senior Software Engineering (RPA - Automation Anywhere 360 & C# .NET)

Mastercard

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Remote or O'Fallon, Missouri, USA

Full-time

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest po
Posted 60+ days ago | Updated 5 hours ago

.NET Developer - market data

Boston Associate Software Systems

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New York, New York, USA

Contract

Bachelor's degree in computer science, Engineering, or a related field (or equivalent professional experience).Preferably experience in engineering at a Financial Data Aggregator or Securities Exchange (Bloomberg, ICE, LSE, SIX, Deutsche Borse, etc.)6+ years of practical work experience involving system architecture, software application and message and data transfer and processing.Strong experience in .NET Core with hands-on development of scalable web applications using C#.Ingest data from mul
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Posted 6 days ago

QA Analyst/Performance Engineer

Omm IT Solutions

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Remote or New York, New York, USA

Contract

Please Note: 100% remote but the candidate must be from NY or nearby cities as occasional visits may be required at critical project milestones Work Hours Full time 40 hrs a week. Responsibilities: Will conduct automated and manual tests to ensure software performs adequately and meets the user requirements. Must understand the overall organizational landscape and technology and plan, construct, and execute product tests, system tests, unit tests, load tests, volume tests, penetration and netwo
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Posted 8 hours ago | Updated 8 hours ago