Senior/Lead Python Engineer Offline

We’re looking for a hands-on Senior Backend Engineer to join a long-term product collaboration with an established European investment company. The company has been successfully managing multi-billion euro assets for 30+ years and is now actively investing in AI-driven innovation. You’ll work closely with a highly professional internal team — analysts, portfolio managers, and risk experts — to bring modern, impactful solutions into their everyday operations.
 

What You’ll Be Working On:

  • AI-powered internal platform already in production
  • Integration of LLM models for internal use
  • Decision-making automation workflows
  • Chat-based assistants for analysts and project managers
  • End-to-end ownership: from architectural design to production deployment

You’ll be deeply involved in technical decision-making and have a direct impact on the business, with no intermediaries — close collaboration with the client team is part of your daily routine.
 

Key Responsibilities:

  • Lead project planning and translate high-level ideas into executable technical work
  • Stay hands-on while supporting and mentoring a small engineering team
  • Design and develop scalable APIs using Python and AWS Lambda
  • Define and manage OpenAPI contracts for backend services
  • Build and evolve PostgreSQL data models on AWS RDS
  • Maintain infrastructure as code using Terraform (Lambda, ALB, RDS, S3)
  • Create efficient CI/CD pipelines via GitLab
  • Integrate Amazon Bedrock for AI workflows (e.g., document summarization)
  • Participate in sprint planning, code reviews, and stakeholder syncs
  • Advocate for best practices in testing, security, and collaboration
     

Requirements:

  • 5+ years of Python 3 experience
  • Solid experience with FastAPI or similar frameworks
  • Production experience with AWS Lambda and API Gateway/ALB
  • Strong knowledge of PostgreSQL in cloud environments
  • Terraform expertise for cloud infrastructure provisioning
  • Familiarity with OpenAPI/Swagger
  • Proficient in Git workflows and GitLab CI/CD
  • Confident with Amazon S3 in production
  • Comfortable working in Agile teams and cross-functional settings
  • Strong communication skills and fluent spoken English
     

Nice to Have:

  • Experience leading technical projects or small teams
  • Experience with Amazon Bedrock or other LLM integrations
  • Background in fintech or asset management is a plus
  • Knowledge of AWS monitoring tools (e.g., CloudWatch, X-Ray)
  • Understanding of serverless security best practices
  • Previous consultancy or client-facing experience
     

What we offer:

  • Long team focus: we create an environment of transparent communication, and minimal bureaucracy, which leads to long-term relationships.
  • Development of niche expertise: we are working in several niches, such as FinTech, healthcare, and logistics. Therefore, our employees can develop their own expertise in these domains.
  • Continuous learning: we create employee development plans / personal roadmaps /quick promotion processes.
  • Internal career development: 80% of our current executives were promoted to those positions within S-PRO. We encourage initiative. If a person wants to set new challenges and grow, we will definitely support them.

Benefits and perks:

  • Flexible schedule.
  • Remote work model.
  • Medical insurance
  • Paid vacations
  • Paid Sick-leaves.
  • Paid State holidays.

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