Software developer jobs in Gaithersburg, MD and nearby

Within 25 miles

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Added 1 month ago
MIS Software Application Programmer/Coder - II/Systems and Application Engineer
AmNet Services, Inc.
Ashburn, VA
Added 1 month ago
Web Software Developer II
ATTAINX INC
Arlington, VA
AttainX is seeking a Web Software Developer II to support DHS CISA’s Critical Infrastructure Collaboration Platform (CICP). This position designs and develops web-accessible software…
Added 1 month ago
Web Software Developer II
ATTAINX INC
Arlington, VA
AttainX is seeking a Web Software Developer II to support the Department of Homeland Security (DHS), Cybersecurity and Infrastructure Security Agency (CISA), Infrastructure and Risk…
Added 1 month ago
Web Software Developer II
ATTAINX INC
Herndon, VA
AttainX is seeking a Web Software Developer / Designer II to design accessible, user-friendly web interfaces for OBP’s secure information-sharing platform. This role improves the service…
Added 1 month ago
Computer Scientist / Software Developer, Junior - Security Clearance Required
ICF Incorporated, LLC
Adelphi, MD
ICF is actively recruiting for a cleared Computer Scientist / Software Developer, Junior to join our team on-site in Adelphi, MD. This position requires demonstrated Machine Learning, and…
Added 1 month ago
Software Developer, Journeyman (Security Clearance Required)
ICF Incorporated, LLC
Arlington, VA
What You Must Have: · Must have a minimum 1 year of professional development experience using AWS serverless architecture
Added 1 month ago
Cloud Integration Software Developer (TS/SCI with Polygraph required)
Red Alpha
Laurel, MD
As a Cloud Integration Software Engineer, you will work with a great team to stabilize and improve Corporate Management Services (CMS) systems. To do so, you will move existing systems into…
Added 1 month ago
APEX Software Developer (TS/SCI with Polygraph required)
Red Alpha
Laurel, MD
As an APEX Software Developer, we're looking for individuals to design, develop and deploy web applications using Oracle APEX. Your ability to customize applications using SQL, PL/SQL,…
Added 1 month ago
S
Software Developer (Senior)
SOSi
Chantilly, VA
- $102,414 to $212,706 USD / year
SOSi is seeking a Software Developer to support our government customer in Chantilly, VA.
Added 1 month ago
Software Developer (Expert)
SOSi
Chantilly, VA
SOSi is seeking a Software Developer to support our government customer in Chantilly, VA.
Added 1 month ago
Software Developer (Senior)
SOSi
Chantilly, VA
SOSi is seeking a Software Developer to support our government customer in Chantilly, VA.
Added 1 month ago
Full-Stack Software Developer
RumbleUp
Washington, DC
…to the position to sales [at] rumbleup.com (subject line: “Software Developer Resume”). We may request project samples and references from qualified…
Added 1 month ago
eLearning-Multimedia Developer - Remote (DC, MD, VA- Locals only)
Swingtech
Greenbelt, MD
Swingtech is seeking a talented eLearning/Multimedia Developer to create multimedia assets and develop interactive online trainings that support effective online learning experiences. This…
Added 1 month ago
Application Developer - Senior
Aleut Federal
Reston, VA
Must possess IT-II / Tier 3/NACLC/ANACI / Moderate Risk eligibility or have a current Tier 3 or equivalent investigation
Added 1 month ago
EPM Cloud Application Developer
Booz Allen Hamilton_United States
McLean, VA
Experience quickly learning new EPM software tools and developing integration and deployment strategies
Added 1 month ago
Software Developer, Lead
Booz Allen Hamilton_United States
Fort Meade, MD
As a full stack developer, you can resolve a problem with a complete end-to-end solution in a fast, agile environment. If you’re looking for the chance to not just develop software, but to…
Added 1 month ago
UI Full Stack Software Developer
Booz Allen Hamilton_United States
Fort Meade, MD · Laurel, MD
As a full stack developer, you can resolve a problem with a complete end-to-end solution in a fast, agile environment. If you’re looking for the chance to not just develop software, but to…
Added 1 month ago
Software Developer, Senior
Booz Allen Hamilton_United States
Herndon, VA
As a software sustainment engineer, you play a pivotal role in an application’s functional life. From troubleshooting to fixing bugs, you use your operations and maintenance skills to…
Added 1 month ago
Software Developer, Senior
Booz Allen Hamilton_United States
Herndon, VA
As a software sustainment engineer, you play a pivotal role in an application’s functional life. From troubleshooting to fixing bugs, you use your operations and maintenance skills to…
Added 1 month ago
Software Developer - Pipeline
Orion Consortium
Fort Meade, MD
Research, design, and develop computer and network software or specialized utility programs. Analyze user needs and develop software solutions, applying principles and techniques of…
Added 1 month ago
Software Developer, Senior
Booz Allen Hamilton_United States
Fort Meade, MD
As a full-stack developer, you can resolve a problem with a complete end-to-end solution in a fast, agile environment. If you’re looking for the chance to not just develop software, but to…
Added 1 month ago
Software Developer
Booz Allen Hamilton_United States
Fort Meade, MD
As a full-stack developer, you can resolve a problem with a complete end-to-end solution in a fast, agile environment. If you’re looking for the chance to not just develop software, but to…
Added 1 month ago
Software Developer
Booz Allen Hamilton_United States
Fort Meade, MD
As a full stack developer, you can resolve a problem with a complete end-to-end solution in a fast, agile environment. If you’re looking for the chance to not just develop software, but to…
Added 1 month ago
Full-Stack Linux Cyber Application Developer
Booz Allen Hamilton_United States
Herndon, VA
As a full stack developer, you can resolve a problem with a complete end-to-end solution in a fast, agile environment. If you’re looking for the chance to not just develop software, but to…
Added 1 month ago
Full-Stack Linux Cyber Application Developer, Lead
Booz Allen Hamilton_United States
Herndon, VA
As a full-stack developer, you can resolve a problem with a complete end-to-end solution in a fast, agile environment. If you’re looking for the chance to not just develop software, but to…

Closed listing

Software Developer

Reston, VA, United States

Pay Range $131,300.00 - $237,350.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary.

This opening has closed.

The original listing is kept below for reference.

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About employer

Job details

Pay: Pay Range $131,300.00 - $237,350.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary.
Posting language: English
Posted: Sep 28, 2026

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Original job description

Archived listing. The details below describe a past opening.

Leidos is seeking a Software Developer with strong problem solving and analytical skills who is detail-oriented with a focus on data accuracy and reliability. We are looking for a developer with hands on experience in ETL/ELT development, data integration, and pipeline orchestration. The selected will have proven experience designing, building, and maintaining scalable data pipelines, a strong understanding of data transformation, cleansing, validation, and migration processes and experience working with large, complex datasets across multiple source systems.

The customer applies technical resources to accelerate the timely, reliable, and secure delivery of open source data, information, and insights. They require support to maintain and enhance an existing big data exploitation platform. The Software Developer will work within an agile team environment. Work will include creating Amazon Web Services (AWS)-based resources; writing, testing, and debugging custom application code; administering database services; and performing data cleaning, formatting, and other forms of data management. The selected developer’s responsibilities include:

Designing, developing, and optimizing ETL pipelines and data workflows
Integrating data from multiple internal and external systems
Ensuring data quality, reliability, and consistency across pipelines
Troubleshooting and resolve performance and data integrity issues
Collaborating with engineering, analytics, and business teams to support data needs
Documenting pipeline architecture, processes, and operational procedures

The ideal candidate will meet all of the listed skills/experiences but that as this person will work within a team, the client has the ability to approve candidates who meet most of the listed skills/experiences:

Early/mid-level (5+ ish years usual benchmark) hands-on experience in ETL/ELT development, data integration, and pipeline orchestration
Proven experience designing, building, and maintaining scalable data pipelines
Strong understanding of data transformation, cleansing, validation, and migration processes
Experience working with large, complex datasets across multiple source systems

As well as the Basic Qualifications:

Must have an active TS/SCI with Poly to be considered
Must have a Bachelor's and at least 12 years of relatable work experience OR a Masters and at least 10 years of relatable work experience OR 16+ years of relatable work experience in lieu of degree.
Strong expertise in ETL tools, frameworks, and best practices
Proficiency in TypeScript, Node.js, and Python for backend and data pipeline development
Experience developing and maintaining API integrations, batch jobs, and automated workflows
Strong knowledge of SQL and relational databases
Familiarity with data modeling, schema design, and performance optimization
Experience with cloud-based or on-prem data environments

Preferred Qualifications:

Experience with Elasticsearch, including indexing, querying, and optimizing search/data
Experience with Apache NiFi for data flow automation and orchestration
Familiarity with streaming and event-driven architectures
Experience with NoSQL databases, message queues, or distributed systems
Exposure to data warehousing and analytics platforms

#MSBA If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares.

Original Posting:

September 17, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $131,300.00 - $237,350.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

About employer

More about this job

Skills

Analytical skills
Data engineering
AWS
Debugging
Cleaning
Data management
Troubleshooting
TypeScript
Node.js
Python
SQL
Data modelling
Elasticsearch
NoSQL
Data warehousing

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