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3 principal software engineer jobs found

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ION Group United States principal software engineer
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ION Group
Full time
 
Principal .NET Developer, New York
ION Group New York, NY, USA
Lab49 seeking an experienced Principal .NET Developer with a primary focus in back-end technologies such as   C#/.NET. This is a unique opportunity to elevate your career and gain unparalleled experience in one of the world's most dynamic business hubs.    As a Principal .NET Developer at Lab49, you will be at the forefront of driving transformative change for our esteemed Financial Services clients. Operating within an Agile environment, you will tackle complex and challenging projects, leveraging your robust experience in front-end frameworks to design and construct the next generation of technology solutions.    Required Skills and Experience: 10+ years of commercial-grade web development experience.    5+ years of solid hands-on experience in either functional coding in .NET development.  Collaborate with designers and other partners to provide input on design & wireframing.    Experience with Agile development methodologies.    Experience in...

Nov 22, 2025
ION Group
Contractor
 
Lead Data Scientist, New York - Contract
ION Group New York, NY, USA
About Lab49: Lab49 is a global consultancy specializing in designing and building next-generation digital products for leading investment banks, asset managers, hedge funds, and fintech innovators. We bring together strategy, design, and engineering to help our clients transform their businesses and stay ahead of the curve in a rapidly evolving landscape. The Role We are seeking a  Lead Data Scientist  to join our team and drive advanced data science solutions for one of our clients. This is a client-facing leadership role, blending deep technical expertise with the ability to advise stakeholders, shape data strategies, and guide teams to deliver high-impact outcomes. You’ll work on cutting-edge problems in data analytics, machine learning, and predictive modeling, helping the client unlock the value of their data and enhance decision-making capabilities.   Responsibilities: Partner with stakeholders to define data science opportunities, shape problem...

Dec 01, 2025
ION Group
Full time
 
Senior Software Engineer - C
ION Group Uniondale, NY, USA
The Role: As a Senior Software Engineer, you will play a crucial role in designing, developing, and maintaining our commodity/energy production, trading, and logistics products, in an agile environment. You will be responsible for collaborating with cross-functional teams, developers, product managers to deliver high-quality software solutions. You are expected to implement best practices in coding, testing, and deployment, ensuring scalability, performance, and security. Strong problem-solving skills, excellent communication, and the ability to adapt to new challenges in a fast-paced environment is essential for this role.   Key Responsibilities Design and develop software utilizing common coding standards and design patterns for API’s and interfaces in a variety of languages - C/C++, Java and/or C# Diagnose and debug new and existing software as part of our extensive trading system using Microsoft Visual Studio and other modern debugging tools Interact with the...

Nov 22, 2025
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Liquidity Finder Ltd is incorporated in England and Wales, company number 10610740, and whose registered address is
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