Lead Backend Engineer (Data Platforms)

We are looking for a Lead Developer with a strong focus on backend and data processing, who will lead the technical design and implementation of scalable cloud solutions.

Requirements

• Lead the technical design and architecture of backend solutions and data pipelines.
• Develop and maintain backend services in Python and Node.js, ensuring quality, scalability, and performance.
• Lead the migration and optimization of data pipelines from Pandas to Polars, improving processing times and resource usage.
• Design and optimize processes for reading, writing, and processing Parquet files.
• Implement serverless and batch solutions using AWS Lambda and AWS Batch.
• Define and oversee data modeling and queries in MongoDB.
• Guide the team in good testing practices, observability, security, and performance.
• Coordinate integrations with BPM / low-code platforms such as Appian (desired).
• Perform code reviews, technical mentoring, and team growth accompaniment.
• Collaborate with technical and business stakeholders to align solutions with strategic objectives.

Benefits

• Established long-term contract
• Private medical insurance
• Continuous training programs
• Free access to AI training resources
• Flexible paid time-off policy (PTO)