Senior Python Engineer

Location: Zürich

Every trading application faces the challenge of staying reliable under real-time demands and constant change. The Senior Python Engineer role in Zurich is part of a managed application services project covering production operations and change delivery across six application domains. The IT Commando team works where technical excellence and hands-on support meet, designing and supporting mission-critical trading applications. You decide how production issues are resolved and recurring tasks are automated, shaping the way business users interact with their tools.

The person in this role makes it possible for trading operations to keep moving without interruption.

Responsibilities Design, develop and maintain applications that meet business requirements

Support existing applications in production and proactively propose solutions to streamline and improve them Advise and support business users who develop their own tools, sharing expertise and promoting engineering best practices

Provide 1st/2nd-level support for business-critical applications; take the harder cases and escalate with full context

Analyse data and issues with Python (Pandas) and SQLDesign scripts and small tools for checks, data handling and automation

Perform Linux and AWS operations; contribute to CI/CDRecord work in Jira and keep runbooks current

Guide the less experienced Commando and take on additional applications and support scope as the managed service ramps upRequirements

Master's degree in Computer Science or equivalent

Strong Python (5+ yrs) with hands-on experience using Pandas Good knowledge of Excel and Excel VBASolid software engineering background and SQL (writing and optimizing queries)
Hands-on experience in 1st or 2nd-level support of business-critical applications

Experience administering Linux environments

Full-stack development experience

Exposure to Fin Tech or trading environments is advantage

Fluent English language knowledge

Nice to have

Also valued:
Java, Bash scripting, C#/.NET, Outlook VBA, UI development, No

SQL databases, CI/CD Experience with Azure/AWS/GCPExposure to Fin Tech or trading environments is an advantage

French and/or German language skills

We offer5 weeks of vacationEPAM Employee Stock Purchase Plan (ESPP)
Enhanced parental leave

Extended pension plan Daily sickness allowance insurance

Employee assistance program

Global business travel medical and accident insurance

Learning and development opportunities including in-house training and coaching, professional certifications, and courses
• Please note that any offers will be subject to appropriate background checks
• We do not accept CVs from recruiting or staffing agencies
• For this position, we are able to consider applications from the following:

- Swiss nationals- EU/EFTA nationals
- Third-country nationals based in Switzerland with an appropriate work permit
- Displaced people from Ukraine who are currently in Switzerland and hold, or have already applied for, S permits