Senior Software Engineer - C

Ion Group
Uniondale, NY

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.

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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 business experts and customers to understand the end user requirements and collaborate within engineering teams to build robust solutions
  • Collaborate with local and remote team members across different time-zones
  • Promote best practices in coding, design, and architecture
  • Contribute to developing and refining development processes to enhance quality and productivity
  • Coach and mentor junior members of the team
  • Participate in architecture discussions to share experiences and provide advice
  • Participate in stakeholder and customer conversations and demonstrations

Required Skills, Experience and Qualifications:
  • BS degree in Computer Science from a reputed university
  • 6+ years of hands-on experience in coding and designing complex, enterprise, applications
  • Strong programming skills in C
  • Experience developing SQL and working with relational databases (Oracle, MSSQL)
  • Strong analytical and problem-solving skills
  • Excellent communication skills
  • Experience working in an agile team setting across different time-zones and countries
  • Ability to coach and mentor junior members of the team
  • Passion for excellence and high-quality delivery

Preferred:

  • Java and/or C# .NET experience is a plus
  • Strong development experience using design patterns, object-oriented design, and SOLID principals
  • Experience with developing financial or commodity/energy trading software is a plus
  • Experience with Endur/Findur, OpenJVS, OpenComponents is a plus

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About us

We’re a diverse group of visionary innovators who provide trading and workflow automation software, high-value analytics, and strategic consulting to corporations, central banks, financial institutions, and governments. Founded in 1999, we’ve achieved tremendous growth by bringing together some of the best and most successful financial technology companies in the world.

 

• Over 2,000 of the world’s leading corporations, including 50% of the Fortune 500 and 30% of the world’s central banks, trust ION solutions to manage their cash, in-house banking, commodity supply chain, trading and risk.

 

• Over 800 of the world’s leading banks and broker-dealers use our electronic trading platforms to operate the world’s financial market infrastructure.

ION is a rapidly expanding and dynamic group with 13,000 employees and offices in more than 40 cities around the globe,

Our ever-expanding global footprint, cutting edge products, and over 40,000 customers worldwide provide an unparalleled career experience for those who share our vision.

Posted 2025-11-07

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