Senior Data Engineer (Python, AWS)

We are seeking a Senior Data Engineer to join an established secondary market ETF analytics platform with over 7 years of production history. The team ingests daily trading reports from multiple sources, including file providers, market data providers, spread data, and bookings, to produce analytics outputs. Built entirely on Python and AWS with a Data Lakehouse and data pipeline architecture, the project is transitioning toward a "run-org" model, requiring someone who can confidently pick up and evolve an existing codebase.

Responsibilities Design, develop, and optimize Python-based data pipelines to process streaming market data with minimal latency Integrate AWS cloud services to support ingestion, processing, storage, and delivery of real-time and historical data Collaborate within a small agile team of 3 to 5 engineers, ensuring rapid decision-making and iterative development Participate in regular coordination meetings with client managers and internal development teams to align deliverables Produce and maintain comprehensive technical documentation to support system understanding and knowledge transfer Provide L3 support for production incidents, performing root cause analysis and implementing corrective actions Evaluate and adopt emerging technologies and methodologies to enhance pipeline performance and reliability Requirements 3+ years of experience in Data Software Engineering Proficiency in Python development within data engineering environments, emphasizing scalable and maintainable code Expertise in designing and implementing data lakehouse architectures and real-time streaming data pipelines Skills in integrating and managing AWS services, including S3, ECS, and EC2 Competency in working with Lambda, Step Functions, and EventBridge Familiarity with CloudWatch and DynamoDB for monitoring and NoSQL data management Capability to provide Level 3 production support for critical data engineering systems with strong troubleshooting abilities Understanding of financial or banking domain concepts, enabling effective collaboration with business stakeholders English proficiency at an Upper-Intermediate level (B2) or higher Poland (Prod- A3/B track) We gather like-minded people: Top tech minds driving innovation in AI, cloud and digital platform modernization Supportive team and agile, startup-like culture Hybrid by design mode and opportunity to work remotely within Poland Chance to work abroad for up to 60 days annually Business-driven relocation opportunities We provide growth opportunities: Career development programs Thought leadership, mentoring, soft skills and well-being programs Certification (Anthropic, Gemini, GCP, Azure, AWS) English classes We cover it all: Stable pay Participation in the Employee Stock Purchase Plan with a 15% discount Benefits package (health insurance, multisport, shopping vouchers) Referral bonuses up to $2,000 Offices featuring entertainment and relaxation zones, table tennis and football, free snacks, coffee and more Corporate, social and well-being events Please, note: Benefits listed above are available to employees only We are open for working with Contractors.

Terms of B2B cooperation agreements are agreed individually We will reach out to selected candidates exclusively