Lead Commercial App Architect - Origination Portfolio

EPAM Systems (Switzerland) GmbH; Vaud; On-site; CHF 140,000 - 190,000; Full time

Job summary

EPAM Systems (Switzerland) GmbH in Lausanne, Switzerland, seeks a Lead Application Engineer to shape the architecture of commercial and origination applications, blending custom code with SaaS, on-site with the client.

You will act as a senior technical reference, govern architecture choices, and collaborate with Build/Run teams while aligning with business goals. Fluent English and Swiss work context apply.

Qualifications

• 10+ years in application engineering or solution architecture
• Strong background in energy markets and trading applications
• Experience guiding Build and Run activities as technical reference
• Expertise in solution, application and integration architecture
• Practical knowledge of AWS, web services and modern web/backend stacks
• Strong stakeholder management and technical governance in outsourced delivery
• Bachelor’s or Master’s degree in CS, Engineering or related field
• Fluent English, with French or German strongly preferred

Responsibilities

• Act as senior technical reference for the commercial and origination application portfolio
• Define and govern application architecture and technology choices in line with client design principles
• Support Build and Run teams in managing priorities and quality
• Build and maintain relationships with senior client stakeholders across IT and commercial leadership
• Ensure technical governance through design reviews, standards adherence and technical debt management
• Support business cases for portfolio investments with effort, risk and option analysis
• Manage escalations for high-impact incidents and delivery risks within the portfolio

Skills

10+ years exp

Energy markets

Trading apps

AWS

Web services

Governance

Stakeholder mgmt

Education

CS/Engineering degree

Tools

AWS

Job description

EPAM Systems (Switzerland) GmbH in Lausanne, Switzerland, seeks a Lead Application Engineer to shape the architecture of commercial and origination applications, blending custom code with SaaS, on-site with the client.

You will act as a senior technical reference, govern architecture choices, and collaborate with Build/Run teams while aligning with business goals. Fluent English and Swiss work context apply.