Lead Backend .Net Developer Jobs in New York, NY

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Director of Web Experience

Robert Half

White Plains, New York, USA

Full-time

Description We are offering an exciting opportunity for a Director of Web Experience in the retail industry, located in White Plains, New York. This role will involve overseeing user experience, search engine optimization, conversion rate optimization for our six web properties, and leading the team. Responsibilities: Leading the product management and product strategy to drive the growth of our web properties. Overseeing the user experience (UX) to ensure our websites are user-friendly and intu

Software Developer (Algo Trading) _ NYC, NY

LGL Technologies

New York, New York, USA

Full-time

Title: Software Developer (Algo Trading) Location: NYC, NY (Onsite) Mode: Longterm Contract Role Overview: We're actively looking for a skilled Java or .NET Developer to join our client for a high-impact role focused on algorithmic trading applications. The ideal candidate will have a strong background in algorithms, real-time data processing, and experience building or enhancing trading platforms. Who We're Looking For: Solid hands-on experience in Java or .NET development. Proven exp

C# Software Developer

Zachary Piper Solutions, LLC

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

Foxpro Developer - Edison, NJ (Any 8 days onsite in a month) - 12+ Months Contract

Accion Labs

Edison, New Jersey, USA

Contract, Third Party

We are seeking an experienced FoxPro Developer to join our small, experienced developer group in developing and maintaining a robust homegrown Visual FoxPro WMS with an MS SQL backend database. The ideal candidate will have extensive experience in Visual FoxPro (VFP) development, database management, and integration with modern technologies to improve warehouse operations. This role requires a strong understanding of retail fulfillment workflows, inventory management, and system optimization. Ke

.Net with Angular 8+ (w2 Only)

AB Technologies Inc.

Montvale, New Jersey, USA

Contract

Hi, Greeting from AB Technologies! Job Role: .Net with Angular 8+ Location: Montvale, NJ (Hybrid) Contract: Long Term W2 or 1099 (Own Corp only) (Strictly No C2C) Visa: EAD, GCEAD only Job Summary: We are seeking a skilled and experienced .NET Developer with Angular 8+ to join our development team. The ideal candidate will have a strong background in building scalable web applications using ASP.NET Core, C#, and Angular (version 8 or higher). You will be involved in designing, developing, tes

Development, Security & Operations Engineer

Ziply Fiber

Remote

Full-time

At Ziply Fiber, our mission is to elevate the connected lives of our communities every day. We are delivering the fastest home internet in the Northwest, with a focus on areas traditionally underserved by mainstream internet companies. And as our state-of-the-art fiber network expands in WA, OR, ID and MT, so does our need for team members who can help us grow and realize our goals. We may be building internet, but we are reaching real people. We strive to build relationships and provide custome

Full Stack Developer (Node.js, React, TypeScript)

ADDSOURCE

New York, USA

Third Party

Full Stack Developer (Node.js, React, TypeScript) Location : Remote Experience 7+ years of full-stack development experience Minimum of 5 years working with Node.js (TypeScript) and React What's in it for you? We are looking for a skilled Full Stack Developer with strong proficiency in Node.js (TypeScript) and React to support our application modernization initiatives. You will work closely with our technical lead to transform legacy systems into modern, cloud-ready solutions-ensuring seamless,

.Net Full Stack Engineer / Remote / Full Time

Keanesoft

Remote

Full-time

Job Title: .Net Full Stack Engineer Location: Remote Duration: Full Time Client: TechM Job Description: We are seeking a highly skilled Full Stack Engineer with a strong background in building scalable business applications in fast-paced, agile environments. The ideal candidate will possess a solid mix of front-end and back-end development skills, along with cloud and API expertise. Key Qualifications: 8+ years of software engineering and application design experience, particularly in large-scal

Azure Databricks Lead

DataAffect

Remote

Contract

About DataAffect: We are a boutique data/service management firm specializing in the delivery of Data Governance, Enterprise Data Strategy, Solutions Architecture, Data Warehousing, Data Integrations, Data Security & Privacy Management, IT Service Management, Business analysis (and) Agile Project Management services to diverse clients across multiple industries. Role: Azure Databricks Lead Location: Remote Duration: 6+ months Job Summary We are looking for a results-driven Lead Data Engineer (Co

C# / Full Stack Engineer (hedge fund tech)

Focus Capital Markets

New York, New York, USA

Full-time

In this role, you will assist the business by developing front-end and back-end trading applications, building and scaling APIs and working with the business to define technical solutions for business requirements. You will work with both sides of the stack, with a C#/.Net back-end and the latest JavaScript and TypeScript frameworks including React and Angular on the front-end. This is an opportunity to work across asset classes and within different technology and business teams in the organizat

Software Developer

Robert Half

Remote or Boston, Massachusetts, USA

Contract

Description We are looking for a skilled Software Developer to join our team on a contract basis in Boston, Massachusetts. In this role, you will focus on maintaining and enhancing a legacy system built with Adobe ColdFusion, ensuring its continued functionality and reliability. This is an excellent opportunity for a developer with strong problem-solving skills and a passion for working on complex, long-standing systems. Responsibilities: Address and resolve bugs reported in the legacy system u

Sr. Product Manager (Loan Origination System)

Capital Staffing Solutions

Remote

Contract

Sr. Product Manager 3-6 Months Contract-to-Hire REMOTE - EST working hours Travel 1-2 times/quarter Manager is seeking: residential mortgage is a must Experience in building a loan origination system from the ground up building underwriting technologies from the ground up - not configuring Enterprise level experience software products If they were an underwriter / processer early in their career that would be good Not looking for front end Product experience - need backend underwriting experie

Applications Architect

Robert Half

Remote or Knoxville, Tennessee, USA

Full-time

Description Robert Half is hiring! We are looking for an experienced Applications Architect to join our team. In this role, you will design and implement robust, scalable applications while ensuring optimal performance and security. This is an exciting opportunity to collaborate with cross-functional teams and leverage your technical expertise to drive innovative solutions. Responsibilities: Design, develop, and maintain scalable applications using Java, Spring Framework, and MySQL. Configure a

Full Stack .Net/Angular Engineer

Mitchell Martin, Inc.

New York, New York, USA

Full-time, Contract

Title: Full Stack .Net/Angular Engineer Location: Northeastern or Southeastern Region, USA (Onsite - 5 days per week)Description: The Full Stack Engineer will contribute to the design, development, and delivery of enterprise applications supporting key business operations. This individual will work on a distributed services platform built with modern web and cloud technologies, supporting front-end, back-end, and integration components. The role involves translating business requirements into sc

Full Stack Developer II

Robert Half

Remote or San Ramon, California, USA

Contract

Description A leading company in the professional services industry, recognized by FORTUNE as one of the World's Most Admired Companies and a Fortune 100 Best Companies to Work For, is hiring a Full Stack Developer II to join the ATI Marketing Services department. What You'll Do Develop responsive, multi-site, multi-lingual websites in AEM.Develop custom AEM templates and components.Build custom React experiences and integrate them with AEM.Integrate with external services using REST APIs.Parti

GIS Developer

Techno-Comp, Inc.

Remote

Third Party, Contract

Job Title: Front End Developer / GIS Developer Work Location: Cary, NC (Remote) Duration: Long Term Working Model: Full remote If in Cary, we are in office Tuesday and Wednesday but again position can be remote or at any of our admin locations. Job Description: The top 3 skills for the Front-End Developer position are: ArcGIS API for JavaScript: This is the highest priority skill.Python: While not a dealbreaker, Python skills are highly desirable.GIS: Candidates should have a solid understanding

Robotics Developer

Robert Half

Remote or Nashville, Tennessee, USA

Contract

Description We are offering a short term contract employment opportunity for a Robotics Developer in the Financial Services industry. This is a fully remote role, and candidates can be located anywhere. As a Robotics Developer, you will be working on an innovative project to design and implement an automated robot greeter for retail stores. You'll be responsible for the development of software and hardware systems for a humanoid robot, using Python programming and the integration of servos to em

Software Engineer (Outsystems)

Robert Half

Remote or The Woodlands, Texas, USA

Full-time

Description We are offering an exciting opportunity for a Software Engineer (Outsystems) in the Energy/Natural Resources industry. The position is based in The Woodlands, Texas, United States. You will be an integral part of our team, working on application development, UI/UX design, integration, testing, deployment, maintenance, documentation, and continuous improvement. Responsibilities: Design and build responsive web and mobile applications using the OutSystems platform, ensuring they meet

Full Stack Developer - Java / ASP.Net C# / SQL Server

Eliassen Group

New York, New York, USA

Contract

Description: *Hybrid Role Based in New York, NY* We are seeking a strong Full Stack Developer with Java, ASP.Net/C#, SQL, Angular & Microservices experience to join our Rate Server Technology Team, who can understand the system end-end and build/enhance the application and deliver the commitments and support the application and provide guide the operations team during the EST trading hours when required. We can facilitate w2 and corp-to-corp consultants. For our w2 consultants, we offer a gre

Integrations Developer (Corrigo)

JLL

Remote or Dallas, Texas, USA

Full-time

JLL empowers you to shape a brighter way. Our people at JLL and JLL Technologies are shaping the future of real estate for a better world by combining world class services, advisory and technology for our clients. We are committed to hiring the best, most talented people and empowering them to thrive, grow meaningful careers and to find a place where they belong. Whether you've got deep experience in commercial real estate, skilled trades or technology, or you're looking to apply your relevant e