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Data Software Engineer Jobs in Washington (NOW HIRING)

Bespoketechinc

Data & Software Engineer

Mclean, VA · On-site

$90 - $120/hr

BT-338 - Data & Software Engineer Skill Level: Mid-SME Location: McLean, VA (fully on-site, no remote option) Please do NOT apply if you do not have an active Poly clearance. Those without a Poly ...

New

GRVTY

Data & Software Engineer

Mclean, VA · On-site

$115K - $139K/yr

The Data & Software Engineer works with a small team to build complex data flows for a custom application. Successful candidate will have advanced Python programming skills, familiarity with Java, an ...

VTG

Data & Software Engineer

Mclean, VA · On-site

$115K - $139K/yr

Overview VTG is seeking a Data & Software Engineer works with a small team to build complex data flows for a custom application. Successful candidate will have advanced Python programming skills ...

GRVTY

Data & Software Engineer

Mclean, VA · On-site

$150K - $250K/yr

The Data & Software Engineer works with a small team to build complex data flows for a custom application. Successful candidate will have advanced Python programming skills, familiarity with Java, an ...

Avalore, LLC

Data & Software Engineer

Chantilly, VA · On-site

$117K - $140K/yr

The Data & Software Engineer works with a small team to build complex data flows for a custom application. Successful candidate will have advanced Python programming skills, familiarity with Java, an ...

NS2 Mission

Data/Software Engineer

Mclean, VA · On-site

$117K - $141K/yr

NS2 Mission is seeking a Data & Software Engineer to support the team in McLean, VA . In this role, you'll work as part of a small, highly collaborative engineering team to design, develop, and ...

GRVTY

Data & Software Engineer

Mclean, VA

$150K - $250K/yr

The Data & Software Engineer works with a small team to build complex data flows for a custom application. Successful candidate will have advanced Python programming skills, familiarity with Java, an ...

NS2 Mission

Data/Software Engineer

Falls Church, VA · On-site

NS2 Mission is seeking a Data & Software Engineer to support the team in McLean, VA. The role involves designing, developing, and maintaining scalable data pipelines and software solutions to support ...

NewGen Technologies

Data & Software Engineer

Chantilly, VA · On-site

$117K - $140K/yr

The Data & Software Engineer works with a small team to build complex data flows for a custom application. Successful candidate will have advanced Python programming skills, familiarity with Java, an ...

VTG

Data & Software Engineer

Mclean, VA · On-site

$117K - $141K/yr

Overview VTG is seeking a Data & Software Engineer works with a small team to build complex data flows for a custom application. Successful candidate will have advanced Python programming skills ...

Systech Federal

Data & Software Engineer

Mclean, VA

$115K - $139K/yr

The Data & Software Engineer works with a small team to build complex data flows for a custom application. Successful candidate will have advanced Python programming skills, familiarity with Java, an ...

NS2 Mission

Data/Software Engineer

Falls Church, VA · On-site

$122K - $146K/yr

NS2 Mission is seeking a Data & Software Engineer to support the team in McLean, VA . In this role, you'll work as part of a small, highly collaborative engineering team to design, develop, and ...

VTG

Data & Software Engineer

Mclean, VA

$115K - $139K/yr

Overview VTG is seeking a Data & Software Engineer works with a small team to build complex data flows for a custom application. Successful candidate will have advanced Python programming skills ...

Avalore, LLC

Data & Software Engineer

Chantilly, VA · On-site

$117K - $140K/yr

The Data & Software Engineer works with a small team to build complex data flows for a custom application. Successful candidate will have advanced Python programming skills, familiarity with Java, an ...

NewGen Technologies

Data & Software Engineer

Chantilly, VA · On-site

$150 - $190/hr

The Data & Software Engineer works with a small team to build complex data flows for a custom application. Successful candidate will have advanced Python programming skills, familiarity with Java, an ...

VT Group (VTG)

Data & Software Engineer

Mclean, VA · On-site

$116K - $139K/yr

VT Group (VTG) is seeking a Data & Software Engineer to work with a small team to build complex data flows for a custom application. The successful candidate will be responsible for building end-to ...

NewGen Technologies

Data & Software Engineer

Chantilly, VA · On-site

$117K - $140K/yr

The Data & Software Engineer works with a small team to build complex data flows for a custom application. Successful candidate will have advanced Python programming skills, familiarity with Java, an ...

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All JobsData Software Engineer JobsData Software Engineer Jobs in Washington

Data Software Engineer information

See Washington salary details

$50.4K

$146.9K

$201K

How much do data software engineer jobs pay per year?

As of Aug 21, 2026, the average yearly pay for data software engineer in Washington is $146,916.00, according to ZipRecruiter salary data. Most workers in this role earn between $129,700.00 and $155,700.00 per year, depending on experience, location, and employer.

What is a data software engineer?

Data Software Engineers are professionals who design, build, and maintain the software systems that enable organizations to collect, process, and analyze large volumes of data. They bridge the gap between data engineering and software development by creating scalable, efficient pipelines and applications that support data-driven decision making. Their responsibilities often include developing data processing frameworks, ensuring data quality, and collaborating with data scientists and analysts to deliver actionable insights.

What are the key skills and qualifications needed to thrive as a data software engineer?

To thrive as a Data Software Engineer, you need strong programming skills (often in Python, Java, or Scala), a solid understanding of data structures and algorithms, and a background in computer science or a related field. Familiarity with big data frameworks (like Hadoop or Spark), database systems (SQL/NoSQL), and data pipeline tools is typically required, along with relevant certifications such as AWS Certified Data Analytics. Excellent problem-solving abilities, collaboration, and effective communication are soft skills that set top performers apart. These skills ensure the efficient design, development, and optimization of robust data systems critical for driving business insights and decision-making.

What are some common challenges data software engineers face when working with large datasets?

Data Software Engineers often encounter challenges related to scalability, data quality, and system performance when handling large datasets. Ensuring that data pipelines can efficiently process high volumes of data without bottlenecks requires robust architecture and frequent optimization. Additionally, maintaining data integrity and consistency across distributed systems can be complex, especially when integrating data from multiple sources. Collaboration with data scientists, analysts, and DevOps teams is key to overcoming these challenges and building reliable, efficient data solutions.

What is the difference between Data Software Engineer vs Data Engineer?

AspectData Software EngineerData Engineer
Primary FocusDeveloping software tools and applications for data processing and analysisBuilding and maintaining data pipelines and infrastructure
Skills & CertificationsProgramming, software development, data modeling, often with certifications in software engineeringDatabase systems, ETL tools, cloud platforms, often with certifications in data engineering
Work EnvironmentSoftware development teams, data science teams, often in tech companiesData infrastructure teams, IT departments, cloud service providers

While both roles work with data, Data Software Engineers focus on creating software solutions for data analysis, whereas Data Engineers build the infrastructure to collect, store, and process data efficiently. Both roles require programming skills and often overlap, but their core responsibilities differ in scope and focus.

What are popular job titles related to Data Software Engineer jobs in Washington?

For Data Software Engineer jobs in Washington, the most frequently searched job titles are:

What job categories do people searching Data Software Engineer jobs in Washington look for?

The top searched job categories for Data Software Engineer jobs in Washington are:

What are popular job titles related to Data Software Engineer jobs in WA?

For Data Software Engineer jobs in WA, the most frequently searched job titles are:

Data Software Engineer jobs near you
Infographic showing various Data Software Engineer job openings in Washington as of August 2026, with employment types broken down into 1% As Needed, 81% Full Time, 9% Part Time, 2% Temporary, and 7% Contract. Highlights an 81% Physical, 4% Hybrid, and 15% Remote job distribution, with an average salary of $146,916 per year, or $70.6 per hour.

Data & Software Engineer

Bespoketechinc

Mclean, VA • On-site

$90 - $120/hr

Other

Posted 3 days ago

New

Job description

BT-338 – Data & Software Engineer

Skill Level: Mid-SME
Location: McLean, VA (fully on-site, no remote option)

Please do NOT apply if you do not have an active Poly clearance. Those without a Poly will not be considered.

The Data & Software Engineer works with a small team to build complex data flows for a custom application. Successful candidate will have advanced Python programming skills, familiarity with Java, an understanding of data security, privacy, governance and compliance principles and a demonstrated history of building production data pipelines and ETL workflows at scale.

Candidate Must Have Experience
  • Building end-to-end data pipelines leveraging Python
  • Using orchestration tools to deploy data pipelines, including configuring and updating Spark Jobs
  • Containerizing and deploying applications in cloud environments like AWS.
  • Working with MySQL and PostgreSQL including performance tuning, schema design, and query optimization for complex, analytical workloads.
  • Leveraging industry standard tools for code control (Git, IaaC control, etc.)
  • Working with data catalogs, tracking data lineage and handling a variety of data formats, including Geospatial.
  • Using Bash scripting for automation and data processing tasks
  • Integrating Al/ML services and models
Responsibilities
  • Work with stakeholders to understand data requirements, assess feasibility, and design appropriate solutions with minimal oversight
  • Leverage strong problem-solving and debugging skills for data quality issues, pipeline failures, and performance bottlenecks
  • Leverage a background in large-scale data migration or platform modernization efforts
  • Contribute to data engineering documentation, best practices, and design patterns.
Required Skills

Minimum of 5 years' experience with:

  • Apache Spark & PySpark
  • Advanced Python skills (including Pandas & NumPy)
  • Docker, Podman
  • AWS S3, Lambda & Step functions
  • Apache Iceberg, Airflow, etc.
  • SQL (with Trino)
  • NoSQL, DynamoDB
  • Unity Catalog OSS, Apache Polaris
  • Apache Superset
  • Terraform or CloudFormation
  • OpenLineage
  • H3, PostGIS
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