Lead Application Engineer - Commercial & Origination Portfolio

EPAM Systems (Switzerland) GmbH; Lausanne; On-site; CHF 150,000 - 210,000; Full time

Job summary

EPAM Systems (Switzerland) GmbH in Lausanne is seeking a Lead Application Engineer to shape architecture for the commercial and origination portfolio, delivering both SaaS and custom solutions on-site in Lausanne. You will collaborate with agile teams across Switzerland, Spain and India to align technical direction with business goals.

The role requires 10+ years in application engineering or architecture, energy markets experience, strong governance, and fluency in English with French or German

Qualifications

• 10+ years in application engineering or architecture.
• Energy markets and trading apps experience.
• Guiding Build and Run activities in outsourced delivery.
• Bachelor or Master in CS/Engineering.

Responsibilities

• Act as senior technical reference for the commercial and origination portfolio.
• Define and govern application architecture and technology choices.
• Support Build and Run teams in managing priorities and quality.
• Build and maintain relationships with senior client stakeholders.
• Ensure technical governance through design reviews and debt management.
• Support business cases for portfolio investments.
• Manage escalations for high-impact incidents and delivery risks.

Skills

10+ years exp

Energy markets

AWS

Web services

Stakeholder mgmt

Fluent English

French or German

Education

Bachelor/Master CS/Engineering

Tools

JavaScript

Python

SaaS integration

Job description

Lead Application Engineer - Commercial & Origination Portfolio

EPAM Systems (Switzerland) GmbH | Vacant since: 09.11.2026 | Number of jobs: 1 | Work location: 1000 Lausanne (VD) | Workload: 100% | Employment start: Immediately | Employment duration: Permanent

We're looking for a Lead Application Engineer – Commercial & Origination Portfolio to join our team in Lausanne, Switzerland, in an on-site working mode. You will support a major European company across more than 10 countries. The project brings the client’s application services under one managed services partner, covering both production operations (Run) and change delivery (Build).

As Lead Application Engineer you will shape the architecture of customer-facing sales, origination and contract pricing applications, built on both custom code and SaaS solutions. You will work closely with agile delivery teams across Switzerland, Spain and India and align technical direction with the client’s commercial goals. The role follows business hours, with extended support around releases, go-lives and market deadlines.

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 mantain 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

Requirements

• Extensive experience (10+ years) in application engineering or solution architecture
• Strong background in energy markets and trading applications
• Experience guiding or coordinating Build and Run activities, acting as a technical reference for the team
• Expertise in solution, application and integration architecture
• Practical knowledge of AWS, web services and modern web/backend stacks
• Strong stakeholder management and technical governance skills in an outsourced delivery model
• Bachelor’s or Master’s degree in Computer Science, Engineering or a related field
• Fluent English, with French or German strongly preferred
• Nice to have Experience with SaaS integration
• Nice to have Hands-on experience with full-stack JavaScript or Python
• Nice to have Familiarity with risk and pricing applications

Job Details

• Work location 1000 Lausanne (VD)
• Workload 100%
• Employment start Immediately
• Employment duration Permanent
• Qualification skilled
• Work experience More than 3 years
• Education Bachelor’s degree from a university of applied sciences or equivalent
• English Orally : Very good knowledge Written : Very good knowledge
• French Orally : Very good knowledge Written : Very good knowledge
• German Orally : Very good knowledge Written : Very good knowledge