Senior Software Engineer ( C#, Python, Java or similar) 12 Months contract - Extension long term Contract Location: Vienna, VA 22182 : (Java / Python / .NET / GO- Lang / Full Stack)- Any programming ...
Senior Software Engineer ( C#, Python, Java or similar) 12 Months contract - Extension long term Contract Location: Vienna, VA 22182 : (Java / Python / .NET / GO- Lang / Full Stack)- Any programming ...
Mid-Level java developer
Arlington, VA · On-site
$58.75 - $76/hr
JOB TITLE - Mid-Level Java developer Location: Arlington, VA; Bethesda, MD Travel: Start Date ... Desired but not required experience includes proficiency with Python, Perl, shell scripting (e.g.
Mid-Level java developer
Arlington, VA · On-site
$58.75 - $76/hr
JOB TITLE - Mid-Level Java developer Location: Arlington, VA; Bethesda, MD Travel: Start Date ... Desired but not required experience includes proficiency with Python, Perl, shell scripting (e.g.
Mid-Level java developer
Arlington, VA · On-site
$58.75 - $76/hr
JOB TITLE - Mid-Level Java developer Location: Arlington, VA; Bethesda, MD Travel: < 5% Start Date ... Desired but not required experience includes proficiency with Python, Perl, shell scripting (e.g ...
Mid-Level java developer
Arlington, VA · On-site
$58.75 - $76/hr
JOB TITLE - Mid-Level Java developer Location: Arlington, VA; Bethesda, MD Travel: < 5% Start Date ... Desired but not required experience includes proficiency with Python, Perl, shell scripting (e.g ...
Python Developer
Herndon, VA · On-site +1
$51.75 - $71.25/hr
Python Developer Herndon, VA NTC OVERVIEW: We are seeking a Software Developer to join our team ... This position requires mid to senior level of experience, a passion for mission support, and a ...
Python Developer
Herndon, VA · On-site +1
$51.75 - $71.25/hr
Python Developer Herndon, VA NTC OVERVIEW: We are seeking a Software Developer to join our team ... This position requires mid to senior level of experience, a passion for mission support, and a ...
Back End Developer - Mid-level
VA · On-site +1
General information Job Posting Title Back End Developer - Mid-level Date Thursday, May 21, 2026 ... Python * Luna * Java * Docker * OpenJDK * Ansible * Packer * Maven * Kubernetes * Red Hat
Back End Developer - Mid-level
VA · On-site +1
General information Job Posting Title Back End Developer - Mid-level Date Thursday, May 21, 2026 ... Python * Luna * Java * Docker * OpenJDK * Ansible * Packer * Maven * Kubernetes * Red Hat
Back End Developer - Mid-level
VA · On-site +1
General information Job Posting Title Back End Developer - Mid-level Date Friday, May 15, 2026 City ... Python * Luna * Java * Docker * OpenJDK * Ansible * Packer * Maven * Kubernetes * Red Hat
Back End Developer - Mid-level
VA · On-site +1
General information Job Posting Title Back End Developer - Mid-level Date Friday, May 15, 2026 City ... Python * Luna * Java * Docker * OpenJDK * Ansible * Packer * Maven * Kubernetes * Red Hat
Back End Developer - Mid-level
VA · On-site +1
General information Job Posting Title Back End Developer - Mid-level Date Thursday, April 23, 2026 ... Python * Luna * Java * Docker * OpenJDK * Ansible * Packer * Maven * Kubernetes * Red Hat
Back End Developer - Mid-level
VA · On-site +1
General information Job Posting Title Back End Developer - Mid-level Date Thursday, April 23, 2026 ... Python * Luna * Java * Docker * OpenJDK * Ansible * Packer * Maven * Kubernetes * Red Hat
Back End Developer - Mid-level
VA · On-site +1
General information Job Posting Title Back End Developer - Mid-level Date Tuesday, May 26, 2026 ... Python * Luna * Java * Docker * OpenJDK * Ansible * Packer * Maven * Kubernetes * Red Hat
Back End Developer - Mid-level
VA · On-site +1
General information Job Posting Title Back End Developer - Mid-level Date Tuesday, May 26, 2026 ... Python * Luna * Java * Docker * OpenJDK * Ansible * Packer * Maven * Kubernetes * Red Hat
Python Developer
$52.25 - $72/hr
The Senior Python Developer will design, develop, test, and implement cloud native applications ... Experience with RESTful Services and Web APIs using back-end technologies using Java, and python ...
Python Developer
$52.25 - $72/hr
The Senior Python Developer will design, develop, test, and implement cloud native applications ... Experience with RESTful Services and Web APIs using back-end technologies using Java, and python ...
Back End Developer - Mid-level
VA · On-site +1
General information Job Posting Title Back End Developer - Mid-level Date Monday, May 11, 2026 City ... Python * Luna * Java * Docker * OpenJDK * Ansible * Packer * Maven * Kubernetes * Red Hat
Back End Developer - Mid-level
VA · On-site +1
General information Job Posting Title Back End Developer - Mid-level Date Monday, May 11, 2026 City ... Python * Luna * Java * Docker * OpenJDK * Ansible * Packer * Maven * Kubernetes * Red Hat
Front End Developer (mid-level)
Mclean, VA · On-site +1
$105K - $122K/yr
Front End Developer (Mid-Level) Systems Integration & Development (SID), an award-winning IT solutions provider based in McLean, VA, is seeking a skilled Mid-Level Front End Developer to join our ...
Front End Developer (mid-level)
Mclean, VA · On-site +1
$105K - $122K/yr
Front End Developer (Mid-Level) Systems Integration & Development (SID), an award-winning IT solutions provider based in McLean, VA, is seeking a skilled Mid-Level Front End Developer to join our ...
Salesforce Developer- Mid Level
Fairfax, VA · On-site
$56.75 - $75.25/hr
Salesforce Developer- Mid Level Category: Software Development/ Engineering Main location: United States, Virginia, Fairfax Alternate Location(s): United States, Virginia, Lebanon United States ...
Salesforce Developer- Mid Level
Fairfax, VA · On-site
$56.75 - $75.25/hr
Salesforce Developer- Mid Level Category: Software Development/ Engineering Main location: United States, Virginia, Fairfax Alternate Location(s): United States, Virginia, Lebanon United States ...
Mid-Level Java Developer
$110K - $150K/yr
Mid-Level Java Application Developer Technology Consultants Inc. is hiring a Java Application Developer to support a dynamic government customer with a wide variety of development tasks. You will be ...
Quick apply
Mid-Level Java Developer
$110K - $150K/yr
Mid-Level Java Application Developer Technology Consultants Inc. is hiring a Java Application Developer to support a dynamic government customer with a wide variety of development tasks. You will be ...
Front End Developer (mid-level)
Mclean, VA · Remote
$105K - $122K/yr
Front End Developer (Mid-Level) Systems Integration & Development (SID), an award-winning IT solutions provider based in McLean, VA, is seeking a skilled Mid-Level Front End Developer to join our ...
Front End Developer (mid-level)
Mclean, VA · Remote
$105K - $122K/yr
Front End Developer (Mid-Level) Systems Integration & Development (SID), an award-winning IT solutions provider based in McLean, VA, is seeking a skilled Mid-Level Front End Developer to join our ...
Mid-Level Java Developer
Ashburn, VA · On-site +1
$110K - $150K/yr
Paid time off Mid-Level Java Application Developer Technology Consultants Inc. is hiring a Java Application Developer to support a dynamic government customer with a wide variety of development tasks.
Quick apply
Mid-Level Java Developer
Ashburn, VA · On-site +1
$110K - $150K/yr
Paid time off Mid-Level Java Application Developer Technology Consultants Inc. is hiring a Java Application Developer to support a dynamic government customer with a wide variety of development tasks.
Mid-Level Java Developer
$110K - $150K/yr
Mid-Level Java Application Developer Technology Consultants Inc. is hiring a Java Application Developer to support a dynamic government customer with a wide variety of development tasks. You will be ...
Quick apply
Mid-Level Java Developer
$110K - $150K/yr
Mid-Level Java Application Developer Technology Consultants Inc. is hiring a Java Application Developer to support a dynamic government customer with a wide variety of development tasks. You will be ...
Python Developer
Reston, VA · On-site
$52.25 - $72/hr
Job title: Senior Python Developer - with Container (EKS) & AWS experience Client: Fannie Mae ... Other Programming - Java, J2EE or any other programming language Notes: * This is a developer role ...
Quick apply
Python Developer
Reston, VA · On-site
$52.25 - $72/hr
Job title: Senior Python Developer - with Container (EKS) & AWS experience Client: Fannie Mae ... Other Programming - Java, J2EE or any other programming language Notes: * This is a developer role ...
Salesforce Developer- Mid Level
Fairfax, VA · On-site +1
$57.25 - $75.75/hr
Salesforce Developer- Mid Level Category: Software Development/ Engineering Main location: United States, Virginia, Fairfax Alternate Location(s): United States, Virginia, Lebanon United States ...
Salesforce Developer- Mid Level
Fairfax, VA · On-site +1
$57.25 - $75.75/hr
Salesforce Developer- Mid Level Category: Software Development/ Engineering Main location: United States, Virginia, Fairfax Alternate Location(s): United States, Virginia, Lebanon United States ...
Salesforce Developer- Mid Level
Fairfax, VA · On-site +1
$57.25 - $75.75/hr
Salesforce Developer- Mid Level Category: Software Development/ Engineering Main location: United States, Virginia, Fairfax Alternate Location(s): United States, Virginia, Lebanon United States ...
Salesforce Developer- Mid Level
Fairfax, VA · On-site +1
$57.25 - $75.75/hr
Salesforce Developer- Mid Level Category: Software Development/ Engineering Main location: United States, Virginia, Fairfax Alternate Location(s): United States, Virginia, Lebanon United States ...
Java Software Developer, Mid-Level TS/SCI with Poly REQUIRED
Arlington, VA · On-site
$58.75 - $76/hr
Java Software Developer, Mid-Level TS/SCI with Poly REQUIRED Category: Software Development/ Engineering Main location: United States, Virginia, Arlington Position ID:J0426-2027 Employment Type ...
Java Software Developer, Mid-Level TS/SCI with Poly REQUIRED
Arlington, VA · On-site
$58.75 - $76/hr
Java Software Developer, Mid-Level TS/SCI with Poly REQUIRED Category: Software Development/ Engineering Main location: United States, Virginia, Arlington Position ID:J0426-2027 Employment Type ...
Java Python Developer Mid Level information
What is the difference between Java Python Developer Mid Level vs JavaScript Developer Mid Level?
| Aspect | Java Python Developer Mid Level | JavaScript Developer Mid Level |
|---|---|---|
| Required Skills | Proficiency in Java and Python, object-oriented programming, backend development | Proficiency in JavaScript, frontend frameworks, HTML/CSS, asynchronous programming |
| Work Environment | Backend development, server-side applications, enterprise systems | Frontend development, web applications, client-side scripting |
| Common Industry Usage | Financial services, enterprise software, data processing | Web development, startups, interactive websites |
Both roles require mid-level experience but focus on different areas: Java Python Developers work mainly on backend systems using Java and Python, while JavaScript Developers focus on creating interactive web interfaces. The choice depends on whether the employer needs backend or frontend expertise.
Other
Posted 7 days ago
Job description
Senior Software Engineer   (C#, Python, Java or similar)
12 Months contract – Extension long term Contract
Location:Â Â Vienna, VA 22182 Â Â
Job description:
(Java / Python / .NET / GO- Lang / Full Stack)- Any programming langÂ
- We are looking for highly skilled Software Engineers with strong hands-on development experience in Java, Python, .NET, or other modern programming technologies.
- The ideal candidate should have experience leveraging AI-assisted development tools, especially Claude AI, to improve productivity, code quality, and engineering workflows.
- This role requires excellent communication skills, strong problem-solving.
Mandatory Skills
- Strong hands-on experience in at least one of the following:
- Java / Python / NET / C#/ Go- LangÂ
- Must have practical experience using Claude AI, Â GitHub Copilot, or equivalent AI coding assistants in production development workflows
About eSolutionsFirst
Sourced by ZipRecruiter
Industry
It services
Company size
51 - 200 Employees
Headquarters location
Reston, VA, US
Year founded
2007