Client Services Officer

Euronext Paris SA

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London Until 8/22/2026 H-1B sponsor history First posted March 17, 2026 Last posted March 17, 2026
Job description

Key accountabilities

  • Support external clients. Provide full range of client support including onboarding assistance, help during development and testing. Level 1 support during trading.
  • Post-trade investigations with counterparty Banks and Prime Brokers in order to resolve booking irregularities.
  • Coordinate activities between internal teams ( Liquidity Management, Operations and Development ) and clients such as troubleshooting and new feature requests.
  • Maintain system configuration database, setup new sessions and modify existing sessions.
  • Maintain data integrity and system load balancing.
  • Automate support processes whenever possible with help of scripting.

Your profile

  • 3-5 years of experience supporting mission critical, high throughput, low-latency trading applications.
  • Knowledge of FIX Protocol, SQL and scripting languages Python, Perl, shell, Excel.
  • Working knowledge of Linux.
  • Strong verbal and written communication skills.
  • Understanding of electronic trading concepts. FX trading background is a plus.
  • Good understanding of market connectivity principles and TCP/IP Networking
  • Ability and desire to learn.
  • Programming background is a plus.

Euronext Values

Unity

•        We respect and value the people we work with

•        We are unified through a common purpose

•        We embrace diversity and strive for inclusion

Integrity

•        We value transparency, communicate honestly and share information openly

•        We act with integrity in everything we do

•        We don’t hide our mistakes, and we learn from them

Agility

•        We act with a sense of urgency and decisiveness

•        We are adaptable, responsive and embrace change

•        We take smart risks

Energy

•        We are positively driven to make a difference and challenge the status quo

•        We focus on and encourage personal leadership

•        We motivate each other with our ambition

Accountability

•           We deliver maximum value to our customers and stakeholders

•           We take ownership and are accountable for the outcome

•           We reward and celebrate performance

We are proud to be an equal opportunity employer. We do not discriminate against individuals on the basis of race, gender, age, citizenship, religion, sexual orientation, gender identity or expression, disability, or any other legally protected factor. We value the unique talents of all our people, who come from diverse backgrounds with different personal experiences and points of view and we are committed to providing an environment of mutual respect.

Additional Information

This job description is only describing the main activities within a certain role and is not exhaustive. It does not prevent to add more tasks, projects.      

About this role

Summary

Support trading clients, troubleshoot issues, automate processes, and maintain system configurations.

Job title

Client Services Officer

Experience level

3-5 years

Industry

finance

Location requirements

London, remote work allowed

Salary

Not specified

Visa sponsorship

H-1B sponsor history

Management role

No

Skills & keywords

Required skills

supportFIX ProtocolSQLPythonPerlshell scriptingLinuxcommunication

Preferred skills

FX tradingTCP/IP Networkingprogramming

Specializations

trading applicationsFIX ProtocolSQLscriptingelectronic trading
Locations

Structured locations inferred from the posting.

London, UK

Remote City