Senior FIX Engineer
Context
Within our IT recruitment activities, we are supporting a financial institution based in Basel in strengthening its Trading Applications team. To support the development, integration and operation of its trading environment, we are currently looking for a Senior FIX Engineer.
The position sits at the intersection of trading applications, market connectivity and technical infrastructure. It requires a strong understanding of banking and trading environments combined with hands‑on expertise in FIX connectivity.
Your Responsibilities
Your main responsibilities will include:
- Customize, configure and maintain FIX interfaces and connectivity
- Define and improve technical processes and workflows related to order routing, market access and trade processing
- Implement, configure and test new functionalities across trading applications and connected systems
- Troubleshoot application, interface and connectivity issues
- Support integrations between internal trading platforms and external brokers or market systems
- Analyse incidents and requirements together with trading users and other business stakeholders
- Handle technical topics related to TCP/IP connectivity, TLS and encryption
- Create and maintain technical documentation
- Collaborate with application, infrastructure, trading and external provider teams
Your Profile
For this position, we are looking for a profile matching the following criteria:
- Previous professional experience within a banking environment is mandatory
- Strong hands‑on experience with FIX Protocol and FIX interfaces
- Previous experience with trading applications, electronic trading or market connectivity
- Good understanding of trading processes and financial instruments such as Equities, Fixed Income, FX and/or Derivatives
- Good technical understanding of TCP/IP, TLS, encryption and Windows environments
- Experience in application configuration, integration, troubleshooting and technical support
- Around 5 years of relevant professional experience is preferred, although profiles with less experience and strong relevant expertise can be considered
- Higher education in Computer Science, Engineering, Natural Sciences or a related technical discipline
- Knowledge of Python is an advantage
- Strong analytical and problem‑solving skills with the ability to work autonomously
- Fluent English is required; German is an advantage
- Willingness to work fully onsite in Basel
What We Offer
We offer:
- A permanent opportunity within an established financial institution in Basel
- Exposure to business‑critical trading applications and market connectivity environments
- A technical position combining FIX, trading applications, connectivity and business interaction
- Collaboration with experienced specialists across trading, application management and infrastructure
- A role with significant autonomy and responsibility within the trading technology environment
- Attractive employment conditions aligned with the candidates experience and technical expertise
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Senior FIX Engineer H/F in Basel Arbeitgeber: Sigma
Notre client à Villeneuve est un employeur de choix dans le secteur ferroviaire, offrant un environnement technique stimulant et des projets innovants. La culture d'entreprise valorise la qualité et l'engagement, tout en favorisant le travail d'équipe et l'autonomie. Les opportunités de croissance professionnelle sont nombreuses, et les employés bénéficient d'un cadre de travail dynamique, idéal pour ceux qui cherchent à évoluer dans leur carrière.
