# Software Developer, Client Services (Sell-Side) at FlexTrade > Onsite · United States · Unspecified · Software engineering · open. Source: https://alderhq.app/jobs/recruitee%3Aflextrade%3A2755538 (read 2026-11-10). ## Facts (observed) - Company: [FlexTrade](https://alderhq.app/companies/flextrade) - Location text: Great Neck, New York, United States - Where it can be done from (inferred): Onsite · United States (evidence: "Location: Great Neck, New York, United States") - Posted: 2026-09-22 (49 days ago) - First seen by alder: 2026-11-07 · last verified: 2026-11-08 - Reposted: 0 times · edited: 0 times - Apply on the employer's site: https://careers.flextrade.com/o/software-developer-client-services-sell-side-4 - Skills listed (inferred): Python, Java, C++, SQL ## Pay and sponsorship - Posted pay: $80k–$120k per year (from the listing's pay field) - Market band for similar posted roles (New York, n 621): p25 $145k, median $180k, p75 $225k - Licensed UK sponsor: registered as "FlexTrade UK Limited" (checked 2026-11-09, [register](https://www.gov.uk/government/publications/register-of-licensed-sponsors-workers)) ## Description (the employer's text) ### About FlexTrade Systems FlexTrade Systems is a provider of customized multi-asset execution and order management trading solutions for buy- and sell-side financial institutions. Through deep client partnerships with some of the world's largest, most complex, and demanding capital markets firms, we develop the flexible tools, technology, and innovation that deliver our clients a competitive edge. Our globally distributed engineering teams focus on adaptable technology and open architecture to develop highly sophisticated trading solutions that can automate and scale with your business strategies. At FlexTrade, we hold our values close to heart, with pride and gratitude, as they guide us in everything that we do. We are dedicated to giving our clients a competitive edge, taking ownership of our responsibilities, being flexible to adapt to an ever-changing environment and technology, bringing integrity to every interaction, and continuing to improve, grow together, and collaborate as one team. All of these, while having fun, truly make FlexTrade a wonderful place to work. ### Job Summary OMS Implementation and Support Engineers are responsible for all technical activities associated with the deployment and ongoing support of the FlexTrade Order Management System for Sell Side clients. Support Engineers design, configure, test, troubleshoot and develop solutions to provide best of breed functionality to our clients. Support Engineers work closely with internal and external resources throughout the Sell Side OMS vertical, including Product and Project Managers, Business Analysts, Quality Assurance Testers, Developers and Trading Desk personnel. ### Main Responsibilities Configure systems and workflows for new client deployments and upgrades. Ensure the availability of systems and workflows for existing clients. Troubleshoot and mitigate production system issues and outages. Contribute technical expertise when working with internal and external resources to deliver value added functionality or to resolve production issues. ### Requirements Bachelor’s degree in computer science 3 to 5 years of technical work experience in a client implementation and/or support environment. Strong problem-solving skills Experience with UNIX based systems. Experience with Database systems (SQL Server, Sybase) Experience with scripting (Python, Perl/Shell) Good understanding of the Software Development Life Cycle Solid understanding of Broker Dealer workflows ### Desired Skills Good programming skills (C++, JAVA) Strong work ethic Strong organizational skills Ability to work in a team environment Good oral and written communication skills Does this sound like you? We would love to hear from you. Please use the link on this page to apply, and we will get back to you as soon as we are able. For more information visit http://flextrade.com or follow us on twitter and LinkedIn for the latest updates. \*\*FlexTrade Systems, Inc. does not accept unsolicited resumes from search firm recruiters. Fees will not be paid in the event a candidate submitted by a recruiter without an authorized agreement for a particular SOW (Statement of Work) in place is hired: such resumes are deemed the sole property of FlexTrade Systems, Inc.\*\* \*\*FlexTrade Systems, Inc. is an equal opportunity employer and makes employment decisions without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, protected veteran status, disability status, or any other status protected by law.\*\* --- Data: alder (https://alderhq.app). Cite https://alderhq.app/jobs/recruitee%3Aflextrade%3A2755538 and the date you read it. Observed facts come from the employer's own listing; location reach, level, family and skills are inferences.