Senior Software Engineer II (Python)

Job Description
As a Senior Software Engineer and AI Enthusiast, you will join the Marketplace Enablement department. In this team we’re enabling AI-based searching, matching, and ranking of talent to job ads. You will join an international team of Data Scientsts, Big Data Engineers, ML Engineers, and Cloud Engineers as a technical lead.
Your expertise will help create a more inclusive and efficient recruitment experience globally, directly supporting our mission to reshape the labour market for everyone. You will have a strong sense of ownership and proactively provide solutions before a situation deteriorates. 

Your Responsibilities

• Lead from alignment with Product vision via solution design with our Staff Engineers to successful implementation and value creation.
• Champion code quality by applying best practices like clean code, automated testing, CI/CD, observability, security, and Federated Governance.
• Work on a diverse set of technologies for LLM-deployments (e.g. Sagemaker with vLLM), streaming data solutions (Kafka), Data Lakes (AWS Glue) and complex orchestrations (Airflow) tasks.
• Collaborate and mentor in an international, agile, cross-functional team, helping others grow and succeed.
• Contribute to building an inclusive team culture where every voice is valued.

Qualifications
Your Skills & Qualifications

• Proven track record of deploying secure and robust systems at scale with a professional level of Python (7+ years)
• Excellent communication skills in spoken and written English (B2+ level).
• Genuine passion for leveraging data and AI to solve complex problems and make a tangible impact (professional experience is considered a plus).
• Strong experience with AWS cloud services (e.g., EMR, Glue, ECS with Docker, Redshift, DynamoDB, S3) and understanding of cloud-native architectures (3+ years).
• Solid experience with Apache Kafka (MSK) for real-time data ingestion and processing (1+ years).
• Familiarity with Infrastructure as Code (Terraform) and Huggingface Transformers (considered a plus).
• We value different career paths — if you have taken career breaks, switched disciplines, or balanced work with family life, we still encourage you to apply.

If you don’t meet every single requirement but are excited about this role, we still would love to see you applying 

We believe in supporting our team members both inside and outside the office. We strive to ensure that your job enriches your life. Here are just some of the benefits we offer:

• Premium medical and dental care
• Life insurance
• Flex Benefits - Worksmile Cafeteria System (Multisport, vouchers, tickets, etc.)
• Employee Referral Program
• Hackathons, Knowledge Sharing Hours, In-house projects
• Tech and sport communities
• Events and integration parties
• Charity initiatives, including 2 extra volunteer days
• English/German language classes
• A supportive and inclusive workplace that promotes professional and personal growth for everyone
• Flexible working hours and hybrid work model to support work–life balance.

Our commitment
At The Stepstone Group, diversity and inclusion are key to our success. We encourage applications from everyone, regardless of gender identity, sexual orientation, disability status, ethnicity, belief, age, family or parental status, or any other characteristic. We are particularly passionate about attracting more women into tech and leadership roles and provide an environment that supports your growth. We offer mentoring and support networks to help women and underrepresented colleagues grow into senior and leadership roles.