Scala Developer

Experience: 6+ Years

Location: Mumbai

Work Mode: Work from Office

Employment Type: Full time / Permanent

Key Responsibilities
Develop and optimize large-scale data processing applications using Scala, PySpark and Java.
Write clean, reusable and efficient Scala code.
Apply functional programming concepts while solving coding problems.
Develop Spark applications using Spark DataFrames and Spark SQL.
Write Scala-based Spark DataFrame transformations.
Understand and explain Spark execution from an architectural perspective.
Identify Spark transformations and actions.
Estimate the number of Spark jobs and stages created for a given Spark program.
Understand Spark DAG, lazy evaluation and execution plans.
Work with Spark deployment modes, including client mode and cluster mode.
Troubleshoot and optimize Spark applications.
Independently understand problem statements and convert them into technical solutions.
Collaborate with technical teams and stakeholders to deliver effective solutions.

Mandatory Technical Skills
Strong hands-on experience in Scala development.
Strong understanding of Scala functional programming.




Hands-on experience with Apache Spark.
Experience writing Spark DataFrame transformations.
Positive knowledge of Spark Core, Spark SQL and RDDs.
Working experience with PySpark.
Good knowledge of Core Java.
Robust coding, analytical and problem-solving skills.
Ability to understand requirements independently.

Strong Scala Knowledge Is Essential

Candidates should be comfortable working with concepts such as:

Case Classes | Higher-Order Functions | Currying | Partial Functions | Option/Some/None | Pattern Matching | Collections | Immutability | Functional Programming

Important: This is a Scala-focused development role. Candidates with primarily Python/PySpark experience and limited hands-on Scala coding experience may not be suitable.

If you are a Scala developer who enjoys solving complex problems and building high-scale Spark applications, we would be interested in hearing from you.

Food For Thought

Big data is not just about processing more data. It is about writing smarter code that can scale with it.

📌 Spark Hadoop Developer Mumbai
🏢 Three Across
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