Atoti/Java Developer - Risk Analysis and P&L - Freelance (M/F)

Collective.workParisEURESpublished 10/19/2026
Must-have:JavaC#GitFrontendBackendLead
Machine translation — original language: French.Show original

About the company

The mission takes place within the IT GMR Pre-Trade Sales & Execution study and development teams for Pre-Trade execution and exposure monitoring solutions for the Global Markets & Risks business of CIB Natixis. The consultant will join a new team responsible for implementing a data visualization and real-time monitoring solution for market risk indicators and P&L tracking for interest rate derivatives desks (short & long term, options).

Your tasks

  • Participate in the construction of a new framework in collaboration with Business Analysts, Java Front End developers, and ETL Back End developers.
  • Develop new risk measures in the front end of the data visualization software using real-time data (trades, intraday, market data).
  • Calculate these measures from Kafka streams of the ETL coming from several data sources.
  • Assist Business Analysts in building Atoti analytical dashboards allowing trading to monitor their positions in real time (risk projections, explain P&L).
  • Collaborate with the Tech Lead to optimize configurations related to the deployment of the OLAP cube on regional instances (Paris, New York, Hong Kong).
  • Participate in validation tests, the design of deliverables, as well as the deployment of the solution.
  • Produce the associated technical and functional documentation.

Requirements

TOOLS & ENVIRONMENT

  • Development environment: GIT, Jenkins, XLR/XLD
  • Data Viz technology: Atoti (editor Activiam), Kafka
  • Operating systems: Linux, Windows
  • Relational databases: Sybase, SingleStore, Oracle
  • OLAP cube, MDX, SQL, Excel
  • Languages: C# / Java

WORKING CONDITIONS

  • Mission within CIB Natixis, Global Markets & Risks team
  • Experience level: 5 to 7 years minimum
  • Higher education: engineering school or specialized master's in information systems and market finance
  • Fluent English level (written and oral) required
  1. Higher education (engineering school or master's) specialized in information systems and market finance
  2. 5 to 7 years minimum experience
  3. Mastery of the software development lifecycle
  4. Strong skills in monitoring market indicators (greeks and P&L) on an interest rate, FX, credit, or equity derivatives desk
  5. Good interpersonal skills: communication skills, anticipation, taking initiative
  6. Analytical and synthesis mindset
  7. Fluent English level, both written and oral
  8. Risk monitoring (Explain/Expected P&L), real-time market data management
  9. Strong interest in market finance and derivatives
  10. Interest in new technologies and technical challenges
  11. Curiosity and autonomy

Other

Daily rate (TJM): 400