Data Engineer (2026-0179)

Acclaim Technical Services (ATS), founded in 2000, is a leading language, operations, and technology services company supporting a wide range of U.S. Federal agencies. As an Employee Stock Ownership Plan (ESOP) company, ATS is consistently ranked as a top workplace among DC area firms and continues to grow.

About the role

We’re looking for a Data Engineer who is passionate about building modern, scalable solutions for ingesting and transforming data. This role blends back-end engineering with data pipeline development and is perfect for someone who enjoys designing modular services and bringing structure to complex data environments. As part of our Agile team, you’ll design and develop software products and services that efficiently ingest, process, and manage data from a variety of sources. You’ll play a key role in building robust, reusable APIs and data pipelines that support critical operational and analytical systems.

Responsibilities

• Design and develop scalable backend services and data ingestion solutions
• Perform data modeling, data mapping, and large-scale file manipulation
• Collaborate across disciplines in an Agile environment with minimal supervision
• Drive innovation and process improvement with a hands-on development approach
• Optimize application for maximum speed and scalability

Requirements

• Bachelor’s Degree in Computer Science, Electrical or Computer Engineering or a related technical discipline, or the equivalent combination of education, technical training, or work/military experience
• At least five (5) years of related software engineering experience
• A current TS/SCI with polygraph is required

Skills

Required

• Knowledge of NodeJS or Python
• Strong understanding of APIs, microservices, and distributed systems
• Strong understanding of Large Language Models (LLMs) and using them to enrich data
• Solid experience in building and maintaining ETL workflows and data pipelines
• Excellent organizational, coordination, interpersonal and team building skills
• Familiarization with NoSQL datastores
• Familiarization with MCP Servers and API management

Desired

• NiFi experience
• Experience with Flask Application Development
• Experience with Claude Code, Codex, NemoClaw, Aider, Kiro, Gemini CLI, OpenCode or other AI harness
• Familiarity with Machine Learning Operations (MLOps)
• Hands-on experience working with Elastic and RabbitMQ
• NoSQL experience (i.e. MongoDB)
• Cloud based and Distributed architecture creation or experience
• Experience developing on the Amazon Web Services Cloud or other cloud provider
• Graph Databases (Janus/Cassandra)
• Graph Query Languages

Benefits

At ATS, you will be eligible to participate in a comprehensive benefits package such as healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits. Learn more here.

Pay

The proposed salary range for this position is $250,000–260,000. Final salary may vary based on geographic location, Federal Government contract labor categories and wage rates, relevant prior work experience, specific skills and competencies, education, and certifications.