C# Developer Intern
About the job
- An engineering degree at Bac+5 level, or current engineering studies, with dual expertise in computer science and financial markets.
- Strong interest in the business challenges of trading floors.
- Proficiency in C# and .NET Core.
- Experience designing REST APIs.
- Good version-control practices with Git.
- Strong knowledge of SQL Server.
- Knowledge of Clean Code principles.
- Ability to adapt to demanding technical and functional environments.
- Rigor and attention to detail in development and testing.
- Ability to communicate effectively with trading teams and other technical teams.
- Curiosity and ability to learn complex financial and technical subjects quickly.
- English proficiency at B2/C1 level.
- Develop and maintain pre-trade systems, including electronic pricers, market-making applications, and market connectivity or trading-desk proximity tools.
- Exchange information with Business Analysts and trading teams.
- Choose an architecture that provides an appropriate technical solution.
- Interact with production, architecture, business, and IT teams.
- Perform corrective and evolutionary maintenance.
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
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.