Data & Analytics
Hire Apache Spark Developers
Apache Spark developers process data too large for a single machine, building batch and streaming jobs on platforms like Databricks.
The role
What Apache Spark developers do
A Spark developer writes PySpark or Scala jobs, designs partitioning, tunes memory and shuffles, builds Delta Lake tables, and controls compute cost. Many engagements are about speeding up slow or expensive existing jobs.
Typical deliverables
- Batch and streaming Spark jobs
- Delta Lake tables
- Performance tuning of slow jobs
- Databricks workflow setup
- Cost reduction on compute clusters
Tools you will see
- Apache Spark
- PySpark
- Databricks
- Delta Lake
- AWS EMR or Google Dataproc
- Structured Streaming
Choosing
How to choose Apache Spark developers
What to look for
- Tuning experience with partitions, joins and shuffles.
- Cost awareness on clusters.
- Tests for data transformations.
- Judgement about when Spark is overkill.
Questions to ask
- 1How would you find why our Spark job is slow?
- 2Is our data large enough to need Spark?
- 3How do you control Databricks costs?
- 4Batch or streaming for this use case?
Planning
Before you post the job
Is Spark necessary?
Smaller data often processes faster and cheaper with SQL warehouses or single-machine tools.
What drives cost
Data volume, job complexity, streaming requirements and cluster costs.
Hiring on Open Lance
- Posting a job and reviewing proposals are free.
- Each milestone is funded into escrow before work starts and paid when you approve it.
- Hire fixed-price, hourly, as a monthly Dedicated Hire, or buy a packaged Drop-In.
- Client fees are shown before you pay and added on top of the work.
FAQ
Questions about hiring Apache Spark developers
What is Databricks?
A managed platform for Spark, data engineering and machine learning.
PySpark or Scala?
PySpark is more common and easier to hire for. Scala can suit performance-sensitive teams.
Why is our Spark cluster expensive?
Often oversized clusters, inefficient joins or jobs running longer than needed.
Related
Related skills
Post a job for Apache Spark developers
Describe the work and compare proposals. You only fund the first milestone once you have chosen someone.