Question
5-10

Quantexa Data Engineer

2/3/2026

The Data Engineer will design, develop, and optimize big data solutions using Apache Spark, Scala, and Elasticsearch. They will implement data transformation processes and collaborate with cross-functional teams to build efficient data processing pipelines.

Working Hours

40 hours/week

Company Size

11-50 employees

Language

English

Visa Sponsorship

No

About The Company
We are a team of highly experienced sustainability experts, bringing over 20 years of wide-ranging technical, sectoral, and cultural expertise to your projects in Central Asia. This includes providing services around renewable energy supply, energy efficiency, ‘green’ technology and finance, climate change mitigation, water sustainability, green tourism, nature-based solutions, and sustainable consumption and production (SCP). This makes Unison one of the leading organisations contributing to the circular economy in the Central Asia region. We collaborate with clients to sustainably support their efforts in innovating and achieving long-term performance improvements. We advise governments, financial institutions, donors and civil society organizations on the most critical issues and provide sustainable solutions for Central Asia. Our partners include renowned international donor organisations and finance institutions, nonprofit organisations, and state authorities at the national, regional and local levels. We aim for large-scale, long-term positive changes in the energy, climate, government and environmental sectors.
About the Role

Quantexa Data Engineer

We are seeking a talented and experienced Data Engineer with expertise in Hadoop, Scala, Spark, Elastic, Open Shift Container Platform (OCP) and DevOps practices. Elasticsearch to join our team. As a Data Engineer, you will play a crucial role in designing, developing, and optimizing big data solutions using Apache Spark, Scala, and Elasticsearch. You will collaborate with cross-functional teams to build scalable and efficient data processing pipelines and search applications. Knowledge and experience in the Compliance / AML domain will be a plus. Working experience with Quantexa tool is a must.

Responsibilities:

  • Implement data transformation, aggregation, and enrichment processes to support various data analytics and machine learning initiatives
  • Collaborate with cross-functional teams to understand data requirements and translate them into effective data engineering solutions
  • Design, develop, and implement Spark Scala applications and data processing pipelines to process large volumes of structured and unstructured data
  • Integrate Elasticsearch with Spark to enable efficient indexing, querying, and retrieval of data
  • Optimize and tune Spark jobs for performance and scalability, ensuring efficient data processing and indexing in Elasticsearch
  • Implement data transformations, aggregations, and computations using Spark RDDs, DataFrames, and Datasets, and integrate them with Elasticsearch
  • Develop and maintain scalable and fault-tolerant Spark applications, adhering to industry best practices and coding standards
  • Troubleshoot and resolve issues related to data processing, performance, and data quality in the Spark-Elasticsearch integration
  • Monitor and analyze job performance metrics, identify bottlenecks, and propose optimizations in both Spark and Elasticsearch components
  • Ensure data quality and integrity throughout the data processing lifecycle
  • Design and deploy data engineering solutions on OpenShift Container Platform (OCP) using containerization and orchestration techniques
  • Optimize data engineering workflows for containerized deployment and efficient resource utilization
  • Collaborate with DevOps teams to streamline deployment processes, implement CI/CD pipelines, and ensure platform stability
  • Implement data governance practices, data lineage, and metadata management to ensure data accuracy, traceability, and compliance
  • Monitor and optimize data pipeline performance, troubleshoot issues, and implement necessary enhancements
  • Implement monitoring and logging mechanisms to ensure the health, availability, and performance of the data infrastructure
  • Document data engineering processes, workflows, and infrastructure configurations for knowledge sharing and reference

Requirements:

  • Bachelor's or Master's degree in Computer Science, Software Engineering, or a related field
  • Must be Quantexa certified data engineer / data architect and proficient with the tool.
  • Proven experience as a Data Engineer, working with Hadoop, Spark, and data processing technologies in large-scale environments
  • Proficiency in Scala programming language and familiarity with functional programming concepts
  • Experience with Quantexa tool is highly preferred.
  • In-depth understanding of Apache Spark architecture, RDDs, DataFrames, and Spark SQL
  • Strong expertise in designing and developing data infrastructure using Hadoop, Spark, and related tools (HDFS, Hive, Pig, etc)
  • Experience with containerization platforms such as OpenShift Container Platform (OCP) and container orchestration using Kubernetes
  • Proficiency in programming languages commonly used in data engineering, such as Spark, Python, Scala, or Java
  • Knowledge of DevOps practices, CI/CD pipelines, and infrastructure automation tools (e.g., Docker, Jenkins, Ansible, BitBucket)
  • Experience with Graphana, Prometheus, Splunk will be an added benefit
  • Experience integrating and working with Elasticsearch for data indexing and search applications
  • Solid understanding of Elasticsearch data modeling, indexing strategies, and query optimization
  • Experience with distributed computing, parallel processing, and working with large datasets
  • Proficient in performance tuning and optimization techniques for Spark applications and Elasticsearch queries
  • Strong problem-solving and analytical skills with the ability to debug and resolve complex issues
  • Familiarity with version control systems (e.g., Git) and collaborative development workflows
  • Excellent communication and teamwork skills with the ability to work effectively in cross-functional teams
  • Experience with cloud platforms (e.g., AWS, Azure, GCP) and their data services is a plus
Key Skills
HadoopScalaSparkElasticsearchOpen Shift Container PlatformDevOpsData EngineeringData ProcessingData QualityContainerizationCI/CDData GovernancePerformance TuningCloud PlatformsGraphanaPrometheusSplunk
Categories
TechnologyData & AnalyticsSoftwareEngineering
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