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Meritis

IT transformation consulting and software development

C++ Developer Intern

InternshipUpdated on 10/23/2026
No salary listed
Master's
Île-de-France, France
In Person
Software EngineeringBackend Engineering

About the job

Requirements
  • Be a final-year student at an engineering school or university program (Bac+5) specializing in computer science, software engineering, or financial markets.
  • Have strong command of C++ and a good working knowledge of Java and Python.
  • Show interest in complex systems, real-time programming, and high-performance architectures.
  • Have an interest in equity derivatives and how financial markets operate.
  • Have English proficiency at B2/C1 level.
Responsibilities
  • Collect and analyze the needs of Front Office users to adapt contribution tools to trading desk requirements.
  • Develop new features and continuously improve contribution engines for derivatives products, including warrants, certificates, and exotic products.
  • Perform evolutionary and corrective maintenance of the platform in an agile setting, ensuring stability and performance.
  • Monitor the production launch of new features and supervise deployments in a critical environment.
  • Work closely with support and operations teams to strengthen system reliability and reduce operational risk.

About the company

Meritis est un cabinet de conseil spécialisé dans la transformation numérique. Il réunit environ 600 consultants qui accompagnent les entreprises tout au long de la chaîne de valeur, du cadrage des projets au pilotage et au développement applicatif. Ses domaines d’expertise couvrent l’Architecture des systèmes d’information, le Cloud, la Data, le software engineering, la finance et la cybersécurité. Leurs agences se trouvent à Paris, Sophia Antipolis, Aix-en-Provence, Montpellier, Nantes et ils interviennent aussi à Rennes, Bordeaux et Lille. L’objectif est de donner un temps d’avance aux clients en connectant les meilleurs talents à leur transformation digitale. Meritis se distingue par son accompagnement personnalisé, des parcours de carrière et des formations adaptés, ainsi qu’une culture d’exigence, d’humilité, de bienveillance et de proximité, qui lui a valu plusieurs distinctions Great Place To Work.

Company Size

501-1,000

Company Stage

N/A

Total Funding

N/A

Headquarters

Paris, France

Founded

2007

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Simplify's Take

What believers are saying

  • Meritis reported 900-plus employees and 142 open roles in September 2026.
  • June 2025 Neofin expanded direct access to bank risk, ESG, and compliance budgets.
  • London gives Meritis a credible European footprint for cross-border financial-services contracts.

What critics are saying

  • Neofin and Navigacom integration can distract leaders and erode margins through 2027.
  • Meritis depends on finance clients like BNP Paribas and NatWest for premium work.
  • Consulting is replaceable; Capgemini and Accenture can outbid Meritis on enterprise accounts.

What makes Meritis unique

  • June 2025 Neofin added London, risk, compliance, and sustainable finance expertise.
  • Meritis covers strategy, pilotage, and delivery across IT and financial-business teams.
  • The group now spans Paris, Sophia Antipolis, Montpellier, Nantes, Porto, and Lisbon.

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Benefits

  • Professional Development Budget
  • Conference Attendance Budget
  • Training Programs
  • Mentorship Program
  • Company Social Events

Company News

Planet Fintech
Jun 16th, 2025
Meritis Acquires Neofin Advisory Expansion

Meritis has acquired Neofin Advisory, a consultancy specializing in risk management, financial regulation, and sustainable finance. This strategic move follows the acquisition of Navigacom in November 2024 and marks a significant step for Meritis, enhancing its expertise in the financial sector and accelerating its international growth with a new office in London. This acquisition strengthens Meritis' position in key markets and supports its global expansion strategy.