Senior Data Engineer

Senior Data Engineer Job Posting Title: Senior Data Engineer - Spark / Kafka / NiFi


Our culture is guided by the Mastercard Way-own it, simplify it, sense of urgency, thoughtful risk taking, unlock potential, and be inclusive.

Job Summary
We are seeking a highly skilled Senior Data Engineer with deep expertise in Testing, validating, Developing and supporting large-scale batch and real-time data platforms built on Apache Spark, Apache Kafka, and Apache NiFi.
The ideal candidate will have a strong background in distributed systems, streaming architectures, event-driven platforms, and cloud-native data processing.
The successful candidate will collaborate with cross-functional teams to design innovative solutions, enhance platform capabilities, and ensure operational excellence in production environments.

Key Responsibilities
Develop, test, validate and maintain, scalable batch and real-time data processing applications using Apache Spark, Kafka, and NiFi.
Build validation suite for high-performance, fault-tolerant, and resilient distributed systems capable of handling large data volumes.
Develop reusable frameworks, libraries, and shared platform components to accelerate engineering productivity.
Translate business and technical requirements into scalable software solutions.
Contribute to architecture discussions, technical designs, and engineering standards.

Streaming & Data Platform Engineering
Create and implement validation suite for Spark batch and streaming applications to process high-volume datasets efficiently.
Validate and support Apache NiFi data ingestion, transformation, and routing workflows.
Build reliable data pipelines supporting real-time and near-real-time processing requirements.
Implement solutions for data replay, recovery, checkpoint management, and failure handling.

Performance & Scalability
Analyze system bottlenecks and optimize application performance, throughput, and resource utilization.
Improve scalability, reliability, and availability of distributed applications.
Develop and test solutions leveraging modern storage technologies including Apache Ozone, Ceph, and cloud-native storage platforms.
Build deployment automation and operational tooling to improve platform reliability.
Monitor production environments and proactively address operational concerns.
Participate in troubleshooting, root-cause analysis, and incident resolution activities.

Engineering Excellence
Participate in code reviews and promote engineering best practices.
Maintain high-quality documentation for systems, APIs, and platform components.
Collaborate closely with Product, Architecture, Platform, and DevOps teams.
Contribute to CI/CD processes and continuous improvement initiatives.
Mentor junior engineers and foster a culture of technical excellence and innovation.

Required Qualifications

Bachelors degree in Computer Science, Engineering, or related technical field.
6+ years of hands-on software deployment, validation, testing, development experience on large-scale data-intensive applications.
Strong expertise in Apache Spark (Batch and Structured Streaming).
Strong experience with Apache Kafka and event-driven architectures.
Experience developing, testing and supporting Apache NiFi data flows.
Proficiency in Scala, pyspark or Python.
Strong SQL and data modeling skills.
Experience working with distributed storage systems such as Apache Ozone, Ceph, HDFS, or cloud-based object stores.
Hands-on experience with Linux, Git, shell scripting, and CI/CD pipelines.
Strong analytical, problem-solving, and communication skills.
Experience operating production-grade distributed systems in cloud or hybrid-cloud environments.

Preferred Qualifications
Experience building observability solutions using monitoring and logging platforms.
Knowledge of data governance, metadata management, and data platform best practices.
Experience with containerization and orchestration technologies (Docker, Kubernetes).
Knowledge of performance engineering, resilience testing, and production readiness assessments.
Experience building engineering automation frameworks and reusable validation platforms.
Familiarity with observability tools, monitoring systems, and operational analytics.
Experience in highly regulated, transaction-processing, or large-scale enterprise environments.




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