Senior Software Engineer (80-100%, all genders) limited position till 31. December 2028

Swiss International Air Lines; Zürich; Remote; CHF 150,000 - 230,000; Full time

Benefits offered by this job

Subsidized parking or public transport

Diversity programmes

Paid maternity and paternity leave

Company health management

Remote working

Flexible workhours and part-time

Attractive company pension scheme

Flight benefits

Job summary

Swiss International Air Lines Ltd. is seeking a Senior Software Engineer for AI/ML and Operations Research, focusing on production-grade ML pipelines, numerical solvers, and data platforms in GCP.

You will own cloud deployments, contribute to GenAI applications, and collaborate with OR leads to deliver reliable solvers and models. You will mentor engineers, drive rigorous code reviews, and uphold high engineering standards.

Qualifications

• Bachelor's or Master's degree in Computer or Data Science, Engineering, Mathematics, or equivalent experience.
• 6+ years in software engineering, architecture, and database design.
• Proven production ML, MLOps or microservices in Python; strong SQL and data warehousing background.

Responsibilities

• Design and implement reusable, testable Python and SQL solutions and scalable microservices.
• Compose and deploy ML models, numerical solvers, and OR solvers in production environments.
• Lead code reviews, enforce CI/CD standards, and mentor engineers.

Skills

Python

SQL

Cloud platforms

Education

Bachelor's or Master’s degree in Computer Science or related field

Tools

Docker

Kubernetes

Terraform

BigQuery

Dataflow

Pub/Sub

Job description

Join SWISS International Air Lines’ OPSD team as a Senior Software Engineer (AI/ML & OR), turning advanced architectures into production software. Own and scale GCP, ML pipelines, numerical optimizers, and aviation data engineering for reliable AI/ML and Operations Research models.

Starting date

January 01, 2027

You may apply in English or German.

Tasks

Partner with the Lead Principal Software Engineer and OR Lead to deliver reliable solvers, ML models, serverless data platforms, and GenAI applications. Mentor engineers, lead rigorous code reviews, and uphold high engineering standards across the team.

• Software & Data Engineering: Design & implement reusable and testable Python and SQL solutions, scalable microservices, and robust ETL/ELT pipelines for multi-source aviation data, model training, and real-time inference.
• AI/ML & Optimization: Partner with Lead OR and others to Implement, containerize, deploy, and operate ML models and high-performance numerical solvers with OR and data science experts.
• Cloud Infrastructure & Operations: Collaborate with Lead Architect to provision, secure, monitor, and optimize serverless data products, reliable, cost-efficient GCP services and microservices using Terraform.
• Engineering Excellence: Uphold high standards, lead peer code reviews, strengthen automated testing, CI/CD pipelines, and mentoring through guidance and pair programming.

Benefits

• Subsidized parking or public transport
• Diversity programmes
• Paid maternity and paternity leave
• Company health management
• Remote working (e.g. from home)
• Flexible workhours and part-time working models
• Attractive company pension scheme
• Flight benefits

Requirements

• Education & Experience: A Bachelor’s or Master’s degree in Computer or Data Science, Engineering, Mathematics, or equivalent experience, plus 6+ years in software engineering, architecture, and database design.
• Python & SQL: 3+ years building production ML, MLOps, or microservices in Python and 5+ years in SQL, data warehousing, performance tuning, and robust ETL/ELT processes.
• GCP Delivery: Hands-on expertise with Cloud Run, BigQuery, Pub/Sub, Dataflow, Terraform, CI/CD, code reviews, and automated testing.
• Optimization & GenAI: Experience or interest in Docker, Kubernetes, numerical solvers, OR optimizers, and frameworks such as LlamaIndex, ADK, or multi-agent environments.
• Collaboration: Agile experience, strong Product collaboration, aviation interest, and C1/C2 English.

For any further questions, please contact our Recruiting Services Center at [phone].

Contact

Levi Wisler

[e-mail]