Senior/Expert Data Engineer, TSCM-43200

Eleks

United States Hybrid permanent

Posted: January 22, 2026

Job Description

ELEKS Software Engineering and Development Office is looking for a Senior/Expert Data Engineer to join our client's team on-site in Washington, DC, USA.

ABOUT PROJECT
The project focuses on diagnosing and resolving performance challenges in a large-scale, on-premises data platform.

REQUIREMENTS:
• 5+ years of experience
• Strong background in distributed systems and data platform architecture
• Deep experience with MongoDB at a very large scale
• Hands-on expertise with Kubernetes, Helm, and containerized workloads
• Experience designing and optimizing high-throughput ingestion pipelines
• Familiarity with task queues and worker-based ingestion models (e.g., Celery or similar)
• Ability to troubleshoot complex, custom, on-prem environments

RESPONSIBILITIES:
• Assess current ingestion pipelines, database design, and overall platform architecture
• Identify root causes of performance bottlenecks and scaling limitations
• Recommend and implement architectural improvements (data modeling, ingestion patterns, queueing, compute/storage separation, etc.)
• Optimize MongoDB usage for large-scale ingestion and query workloads
• Review and improve Kubernetes, Helm, and worker orchestration patterns
• Work closely with the engineering team to implement fixes and best practices

ABOUT ELEKS

ELEKS is a custom software development company. We deliver value to our clients, thanks to our expertise and experience gained from working as a software innovation partner since 1991.

Our 2000+ professionals located in the Delivery Centers across Eastern Europe and sales offices in Europe and North America, provide our clients with a full range of software engineering services. These include product development, QA, R&D, design, technology consulting and dedicated teams.

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