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C# Software Engineer

Synechron

On-site
Paris
Full-time
Senior
Salary not listedPosted 38m ago

Real job — pulled straight from Synechron’s careers page · Verified October 26, 2026 · No reposts.

Job description

Synechron is hiring a C# Software Engineer — a full-time, based in Paris role. Apply directly on Synechron's careers page below.

C# Software Engineer – Paris – (M/F/X)

Location: Paris

Time Type: Full time

Job Description

Synechron est un cabinet de conseil international spécialisé dans la transformation digitale et technologique des services financiers. Nous accompagnons les plus grandes institutions financières dans leurs projets stratégiques, en combinant expertise métier, ingénierie logicielle, Data et Intelligence Artificielle.


Grâce à nos équipes internationales et à notre expertise technologique, nous intervenons sur des environnements complexes et critiques, où performance, innovation et excellence technique sont essentielles.


Votre mission

Dans le cadre d'un programme de transformation technologique majeur au sein d'un grand établissement financier, nous recherchons un Développeur C# Senior disposant d'une solide expertise en développement logiciel et en pratiques DevOps.


Vous interviendrez sur des applications critiques en environnement de finance de marché, avec des enjeux de performance, de fiabilité et d'industrialisation.


Vos responsabilités

  • Développer, maintenir et faire évoluer des applications en C#.
  • Optimiser les performances (mémoire, CPU) et améliorer la qualité du code.
  • Diagnostiquer et résoudre des anomalies techniques complexes.
  • Optimiser les processus de compilation, de build et de gestion des dépendances.
  • Travailler avec le multithreading.
  • Améliorer les pipelines CI/CD, automatiser les tests et contribuer aux déploiements.
  • Participer ponctuellement au support applicatif N2.

Pourquoi rejoindre Synechron ?

Vous participerez à un projet de transformation d'envergure, au cœur d'un environnement technologique exigeant, avec l'opportunité de conjuguer expertise C#, optimisation des performances et industrialisation logicielle, tout en bénéficiant de l'écosystème international de Synechron.

S​YNECHRON’S DIVERSITY & INCLUSION STATEMENT
 

Diversity & Inclusion are fundamental to our culture, and Synechron is proud to be an equal opportunity workplace and is an affirmative action employer. Our Diversity, Equity, and Inclusion (DEI) initiative ‘Same Difference’ is committed to fostering an inclusive culture – promoting equality, diversity and an environment that is respectful to all. We strongly believe that a diverse workforce helps build stronger, successful businesses as a global company. We encourage applicants from across diverse backgrounds, race, ethnicities, religion, age, marital status, gender, sexual orientations, or disabilities to apply. We empower our global workforce by offering flexible workplace arrangements, mentoring, internal mobility, learning and development programs, and more.


All employment decisions at Synechron are based on business needs, job requirements and individual qualifications, without regard to the applicant’s gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law.

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Frequently asked questions

What skills are required for C# Software Engineer at Synechron?

The required skills for C# Software Engineer at Synechron include: C#, DevOps, CI/CD.

What is the seniority level for C# Software Engineer at Synechron?

C# Software Engineer at Synechron is a Senior level position.

How do I apply for C# Software Engineer at Synechron?

You can view the full description and apply for C# Software Engineer at Synechron on EchoJobs: https://echojobs.io/job/synechron-c-software-engineer-paris-m-f-x-jd860.