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Remote Mid Level Software Engineer Jobs in Fairfax, VA

Helsing

Software Engineer, Rust

Washington, DC · On-site +1

You will design and build systems-level software that powers autonomous capabilities in challenging ... remote and/or hybrid work available depending on position. All compensation and benefits are ...

YO AI Labs

Senior Software Engineer - Remote

Washington, DC · Remote

$138K - $182K/yr

Senior Software Engineer Job Type: Contract Location: Remote Job Summary: In this role, you'll apply your expertise to help train next-generation AI systems. Your work will shape how models learn ...

Mondo

Software Engineer

Centreville, VA · Remote

$100/hr

Apply now: Software Engineer, location is Remote. The start date is July 27 for this contract-to-hire position. Job Title: Software Engineer Location-Type: Remote (U.S.) Start Date Is: July 27 ...

Knexus

AI Software Engineer (Remote)

Vienna, VA · Remote

We're looking for an experienced AI Software Engineer with 6-8 years of experience to join our AI applications team. This is a fully remote position for candidates in the continental U.S., with work ...

Booz Allen Hamilton, Inc.

Software Engineer

Mclean, VA · On-site +1

Remote Work: Hybrid Job Number: R0246152 Location: McLean,VA,US Share job via: Share Software ... Configure default repository, branch, and team settings aligned with SLSA Level 3, NIST Secure ...

Booz Allen Hamilton, Inc.

Software Engineer

Mclean, VA · On-site +1

Remote Work: Hybrid Job Number: R0243761 Location: McLean,VA,US Share job via: Share Software ... Level 3 and NIST Secure Software Development Framework (SSDF). * Establish governance controls ...

PVM Inc

Sr. Forward Deployed Software Engineer

Arlington, VA · Remote

$125K - $165K/yr

Mentor mid-level engineers through code reviews and technical guidance Preferred Qualifications ... Remote and on-site positions available * Unlimited PTO * Flexible work schedule PVM delivers ...

Knexus

AI Software Engineer (Remote)

Vienna, VA · On-site +1

We're looking for an experienced AI Software Engineer with 6-8 years of experience to join our AI applications team. This is a fully remote position for candidates in the continental U.S., with work ...

Booz Allen Hamilton, Inc.

Software Engineer

Arlington, VA · On-site +1

$69K - $158K/yr

Remote Work: Hybrid Job Number: R0243541 Location: Arlington,VA,US Share job via: Share Software ... Experience with Linux at the systems-level, including systems, networking, filesystems such as ...

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Showing results 41-60

All JobsMid Level Software Engineer JobsRemote Mid Level Software Engineer JobsRemote Mid Level Software Engineer Jobs in Fairfax, VA

Remote Mid Level Software Engineer information

See Fairfax, VA salary details

$64.9K

$150.8K

$210.1K

How much do remote mid level software engineer jobs pay per year?

As of Aug 18, 2026, the average yearly pay for remote mid level software engineer in Fairfax, VA is $150,794.00, according to ZipRecruiter salary data. Most workers in this role earn between $122,700.00 and $176,800.00 per year, depending on experience, location, and employer.

What is the difference between Remote Mid Level Software Engineer vs Remote Software Developer?

AspectRemote Mid Level Software EngineerRemote Software Developer
CredentialsBachelor's in CS or related field, 2-4 years experienceBachelor's in CS or related field, 1-3 years experience
Work EnvironmentCollaborates with cross-functional teams, involved in design and implementationFocuses on coding, debugging, and feature development
Industry UsageCommon in tech companies, startups, and software firmsWidely used across tech, SaaS, and product companies

Remote Mid Level Software Engineers typically have more involvement in system design and team collaboration, while Remote Software Developers focus primarily on coding and feature implementation. Both roles require similar educational backgrounds, but the engineer role often involves broader responsibilities.

What are the most commonly searched types of Remote Software Engineer jobs in Fairfax, VA?

The most popular types of Remote Software Engineer jobs in Fairfax, VA are:

What are popular job titles related to Remote Mid Level Software Engineer jobs in Fairfax, VA?

For Remote Mid Level Software Engineer jobs in Fairfax, VA, the most frequently searched job titles are:

What job categories do people searching Remote Mid Level Software Engineer jobs in Fairfax, VA look for?

The top searched job categories for Remote Mid Level Software Engineer jobs in Fairfax, VA are:

What cities near Fairfax, VA are hiring for Remote Mid Level Software Engineer jobs?

Cities near Fairfax, VA with the most Remote Mid Level Software Engineer job openings:

Remote Mid Level Software Engineer jobs near you
Infographic showing various Remote Mid Level Software Engineer job openings in Fairfax, VA as of August 2026, with employment types broken down into 57% Full Time, and 43% Contract. Highlights an 100% Remote job distribution, with an average salary of $150,794 per year, or $72.5 per hour.

Mid-Level Application Developer - DHS

cFocus Software Incorporated

Springfield, VA • On-site, Remote

Full-time

This job post has expired 1 day ago. Applications are no longer accepted.

Job description

cFocus Software seeks a Mid-Level Application Developer to join our program supporting the Department of Homeland Security (DHS). This position is remote. This position requires a Public Trust Clearance.
Qualifications:
  • Bachelor's or master's degree in IT, Computer Science, Geography or a related field.
  • 5+ years of professional application-development experience, including at least three years developing or supporting geospatial, mapping, location-intelligence, data-visualization, or situational-awareness solutions.
  • Demonstrated experience developing and maintaining applications using C# and the .NET framework.
  • Experience using ESRI developer technologies such as ArcGIS Enterprise/Portal, ArcGIS Online, ESRI APIs and SDKs, ArcGIS API for JavaScript, Experience Builder, Dashboards, web maps, hosted layers, or comparable capabilities.
  • Proficiency with Python scripting and automation; experience with ArcGIS Notebooks, Jupyter notebooks, or comparable notebook-based workflows.
  • Experience developing and consuming REST APIs, integrating enterprise systems and data services, and working with JSON/GeoJSON, relational databases, geodatabases, and common geospatial formats.
  • Experience creating automated tests and executing unit, integration, regression, security, and operational test activities within a controlled software-delivery lifecycle.
  • Experience with Git-based source control and Agile delivery tools such as GitLab, Jira, and Confluence.
  • Strong analytical, troubleshooting, documentation, communication, and cross-functional collaboration skills.
  • Ability to satisfy DHS suitability, background-investigation, Entry on Duty, security, and system-access requirements for the assigned position.
  • Experience developing applications for DHS, another federal agency, public safety, emergency management, critical infrastructure, intelligence, defense, or homeland-security missions.
  • Experience deploying or supporting ESRI and custom web applications in AWS or another enterprise cloud environment.
  • Knowledge of ArcGIS Enterprise administration concepts, identity integration, role- and attribute-based access control, geospatial data publishing, and enterprise geodatabase patterns.
  • Experience with Section 508/WCAG accessibility, secure coding, DevSecOps pipelines, static or dynamic application-security testing, and vulnerability remediation.
  • Working knowledge of IPv6/dual-stack application design, federal cloud and security requirements, DHS SELC artifacts, and formal change-control boards.
  • Experience with AI-enabled geospatial workflows, automated data ingestion, real-time dashboards, performance monitoring, or high-availability mission applications.
Duties:
  • Design, develop, enhance, debug, and maintain custom geospatial and situational-awareness applications and tools for the GII, COP, and HIFLD mission environments.
  • Develop and maintain application components using the .NET framework, C#, ESRI APIs and SDKs, and other Government-approved technologies in the existing GCIS technical architecture.
  • Create custom web applications using ESRI Experience Builder and the ArcGIS API for JavaScript; configure interactive dashboards, web maps, layers, symbology, pop-ups, labeling, and mission-focused visualization experiences.
  • Participate in application and data architecture decisions involving client/server processing, relational and geospatial databases, data storage and access, interfaces, interoperability, and enterprise integration.
  • Build maintainable, reusable, and well-documented code that supports evolving operational requirements, system scalability, reliability, security, and efficient lifecycle maintenance.
  • Maintain compatibility with current ESRI software releases and implement approved features, fixes, and enhancements without unnecessary disruption to ongoing operations.
  • Develop Python and ArcGIS Notebook scripts that automate geospatial data processing, analysis, ingestion, publishing, monitoring, and reporting tasks.
  • Implement automated workflows that reduce manual intervention and reliably process structured and unstructured geospatial information in supported formats.
  • Support integrations and ingestion involving CSV, TXT, GPX, JSON, GeoJSON, geodatabases, shapefiles, KML, BIM, LAS, APIs, and REST services.
  • Implement geocoding and locational metadata capabilities using addresses, latitude/longitude, Military Grid Reference System (MGRS), and United States National Grid (USNG) coordinates as required.
  • Evaluate and implement approved AI-assisted or AI-driven workflow enhancements that improve efficiency, adapt to real-time data, and optimize geospatial handling while complying with DHS policy and governance
  • Integrate geospatial applications, web services, data feeds, identity services, databases, and other enterprise systems to improve mission functionality and secure information sharing.
  • Develop testing criteria from operational requirements and key performance parameters; create comprehensive test plans, test scripts, test cases, and traceable expected results.
  • Develop and maintain manual and automated tests; conduct developmental, integration, regression, security, accessibility, and operational testing and capture evidence and results.
  • Analyze test outcomes, document defects, troubleshoot root causes, implement corrective actions, and report conclusions and recommendations.
  • Participate in code reviews, configuration management, change-impact analysis, release readiness reviews, and validation that only approved and tested changes are incorporated.
  • Produce per-release custom application code, test artifacts, integration documentation, technical specifications, data-flow diagrams, and integration-test results.
  • Support deployments, upgrades, releases, emergency fixes, and application enhancements across development, staging, preproduction, and production environments.
  • Prepare deployment documentation and obtain required approvals before releases: SDD Change Control Board approval for preproduction and both SDD CCB and Infrastructure Change Control Board approval for production.
  • Coordinate application activities with the DHS Enterprise Cloud Team, OneNet, DHS data centers, AWS providers, system administrators, security teams, and other technical stakeholders.
  • Diagnose and resolve application defects, integration issues, performance problems, and user-reported incidents; document solutions and escalate complex infrastructure or specialized issues appropriately.
  • Monitor application health, utilization, reliability, availability, maintainability, performance, and user feedback; recommend and implement approved improvements.
  • Create and update technical documentation, installation and deployment instructions, user guides, FAQs, troubleshooting materials, SOPs, and knowledge-base content

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