Python/Spark or AI Developer
- Salary
- $80K–$120K
- Hiring from
- Portugal
- Work type
- Remote
- Posted
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Location: Europe (Remote) — must work South Africa hours (UTC+2)
Employment: Full-time
Seniority: Mid-Senior Level
Salary: $80,000 – $120,000 (estimate; client hasn’t disclosed range)
About The Company
A fast-growing privacy-preserving data collaboration fintech (Series A, backed by a global credit bureau and a major retailer), with teams spanning South Africa, the UK, the US, the UAE and Brazil. Banks and lenders use the platform to work with retailer and telco data without raw personal data changing hands — mainly to help people with no credit history access credit.
The role
The Data Team Is Migrating Legacy SQL Server / Azure Synapse Stored-procedure Pipelines Onto Open-source Apache Spark And Delta Lake. You Will
Core stack: Python, PySpark, Spark SQL, Delta Lake, FastAPI, pytest, Docker, T-SQL, LLM integration
Required
Employment: Full-time
Seniority: Mid-Senior Level
Salary: $80,000 – $120,000 (estimate; client hasn’t disclosed range)
About The Company
A fast-growing privacy-preserving data collaboration fintech (Series A, backed by a global credit bureau and a major retailer), with teams spanning South Africa, the UK, the US, the UAE and Brazil. Banks and lenders use the platform to work with retailer and telco data without raw personal data changing hands — mainly to help people with no credit history access credit.
The role
The Data Team Is Migrating Legacy SQL Server / Azure Synapse Stored-procedure Pipelines Onto Open-source Apache Spark And Delta Lake. You Will
- Rebuild T-SQL logic as typed, tested PySpark pipelines
- Prove the new pipelines match legacy outputs
- Build FastAPI services that run and report on pipeline jobs
- Add provider-neutral LLM features (local and hosted models) into data workflows
Core stack: Python, PySpark, Spark SQL, Delta Lake, FastAPI, pytest, Docker, T-SQL, LLM integration
Required
- Modern typed Python (3.10+) as primary production language, with type hints passing pyright/mypy and Pydantic models — writes maintainable, tested code, not only notebooks
- 2+ years production Apache Spark / PySpark — DataFrame API and Spark SQL, including partitioning and performance tuning
- Based in Europe or South Africa, able to work South Africa hours (UTC+2)
- SQL Server / Synapse migration to Spark with validated output parity
- Open-source or self-managed Spark (Kubernetes, EMR, Dataproc, Spark Connect)
- FastAPI, LLM integration, privacy/data governance (PII tokenisation, GDPR/POPIA), fintech/banking/credit background
