Senior Software Engineer
$131K - $237K/yr
We are seeking an experienced Senior Software Engineer with a strong backend focus and full-stack capabilities to design, build, test and maintain scalable software systems. This role will play a key ...
New
$131K - $237K/yr
We are seeking an experienced Senior Software Engineer with a strong backend focus and full-stack capabilities to design, build, test and maintain scalable software systems. This role will play a key ...
New
$131K - $237K/yr
We are seeking an experienced Senior Software Engineer with a strong backend focus and full-stack capabilities to design, build, test and maintain scalable software systems. This role will play a key ...
New
Clarksburg, WV · On-site
$57K - $104K/yr
We are seeking a Junior-Level Software Engineer with a full-stack capabilities to design, build, test and maintain scalable software systems. This role will play a part in creating front-end and ...
Clarksburg, WV · On-site
$57K - $104K/yr
We are seeking a Junior-Level Software Engineer with a full-stack capabilities to design, build, test and maintain scalable software systems. This role will play a part in creating front-end and ...
Clarksburg, WV · On-site
$57K - $104K/yr
We are seeking a Junior-Level Software Engineer with a full-stack capabilities to design, build, test and maintain scalable software systems. This role will play a part in creating front-end and ...
Clarksburg, WV · On-site
$57K - $104K/yr
We are seeking a Junior-Level Software Engineer with a full-stack capabilities to design, build, test and maintain scalable software systems. This role will play a part in creating front-end and ...
KeyLogic is seeking a Systems Software Engineer to support a dynamic program based at NASA's Katherine Johnson Independent Verification and Validation Facility in Fairmont, WV. This position will ...
KeyLogic is seeking a Systems Software Engineer to support a dynamic program based at NASA's Katherine Johnson Independent Verification and Validation Facility in Fairmont, WV. This position will ...
KeyLogic is seeking a Systems Software Engineer to support a dynamic program based at NASA's Katherine Johnson Independent Verification and Validation Facility in Fairmont, WV. The role involves ...
KeyLogic is seeking a Systems Software Engineer to support a dynamic program based at NASA's Katherine Johnson Independent Verification and Validation Facility in Fairmont, WV. The role involves ...
Clarksburg, WV · On-site
$69K - $125K/yr
We are seeking a Mid-Level Software Engineer with a web application development with exposure to full-stack capabilities (front-end, back-end, full-stack) to design, build, test and maintain scalable ...
Clarksburg, WV · On-site
$69K - $125K/yr
We are seeking a Mid-Level Software Engineer with a web application development with exposure to full-stack capabilities (front-end, back-end, full-stack) to design, build, test and maintain scalable ...
Clarksburg, WV · On-site
$69K - $125K/yr
We are seeking a Mid-Level Software Engineer with a web application development with exposure to full-stack capabilities (front-end, back-end, full-stack) to design, build, test and maintain scalable ...
Clarksburg, WV · On-site
$69K - $125K/yr
We are seeking a Mid-Level Software Engineer with a web application development with exposure to full-stack capabilities (front-end, back-end, full-stack) to design, build, test and maintain scalable ...
Clarksburg, WV · On-site
$120K - $158K/yr
... software solutions. • Experience addressing the challenges associated with processing and analyzing petabytes of digital evidence from various sources. • Proficiency in.Net programming languages ...
New
Clarksburg, WV · On-site
$120K - $158K/yr
... software solutions. • Experience addressing the challenges associated with processing and analyzing petabytes of digital evidence from various sources. • Proficiency in.Net programming languages ...
New
Clarksburg, WV · On-site
$120K - $158K/yr
... software solutions. • Experience addressing the challenges associated with processing and analyzing petabytes of digital evidence from various sources. • Proficiency in.Net programming languages ...
New
Clarksburg, WV · On-site
$120K - $158K/yr
... software solutions. • Experience addressing the challenges associated with processing and analyzing petabytes of digital evidence from various sources. • Proficiency in.Net programming languages ...
New
Clarksburg, WV · Hybrid
$120K - $158K/yr
Bachelor's degree in IT or related field The Software Engineer Senior - Multimedia Toolkit Lead Developer perform system engineering and develop a multimedia review tool using Agile methodology to ...
Clarksburg, WV · Hybrid
$120K - $158K/yr
Bachelor's degree in IT or related field The Software Engineer Senior - Multimedia Toolkit Lead Developer perform system engineering and develop a multimedia review tool using Agile methodology to ...
Bachelor's degree in IT or related field The Software Engineer SME - Forensic Toolkit Lead Developer acts as a subject matter expert for forensic tool portions of the code base and provide senior ...
Bachelor's degree in IT or related field The Software Engineer SME - Forensic Toolkit Lead Developer acts as a subject matter expert for forensic tool portions of the code base and provide senior ...
Bachelor's degree in IT or related field Overview The Software Engineer SME - Forensic Toolkit Lead Developer acts as a subject matter expert for forensic tool portions of the code base and provide ...
Bachelor's degree in IT or related field Overview The Software Engineer SME - Forensic Toolkit Lead Developer acts as a subject matter expert for forensic tool portions of the code base and provide ...
Bachelor's degree in IT or related field Overview The Software Engineer SME - Forensic Toolkit Lead Developer acts as a subject matter expert for forensic tool portions of the code base and provide ...
Bachelor's degree in IT or related field Overview The Software Engineer SME - Forensic Toolkit Lead Developer acts as a subject matter expert for forensic tool portions of the code base and provide ...
Overview The Software Engineer Senior - Multimedia Toolkit Lead Developer perform system engineering and develop a multimedia review tool using Agile methodology to integrate bug fixes, security ...
Quick apply
Overview The Software Engineer Senior - Multimedia Toolkit Lead Developer perform system engineering and develop a multimedia review tool using Agile methodology to integrate bug fixes, security ...
Bachelor's degree in IT or related field Overview The Software Engineer Senior - Multimedia Toolkit Lead Developer perform system engineering and develop a multimedia review tool using Agile ...
Bachelor's degree in IT or related field Overview The Software Engineer Senior - Multimedia Toolkit Lead Developer perform system engineering and develop a multimedia review tool using Agile ...
Bachelor's degree in IT or related field Overview The Software Engineer Senior - Multimedia Toolkit Lead Developer perform system engineering and develop a multimedia review tool using Agile ...
Bachelor's degree in IT or related field Overview The Software Engineer Senior - Multimedia Toolkit Lead Developer perform system engineering and develop a multimedia review tool using Agile ...
Bridgeport, WV · On-site
$124K - $164K/yr
Do you want to engineer software systems that contribute to solving our nation's most critical problems? Do you want to work alongside engineers, scientists, and domain specialists that are experts ...
Bridgeport, WV · On-site
$124K - $164K/yr
Do you want to engineer software systems that contribute to solving our nation's most critical problems? Do you want to work alongside engineers, scientists, and domain specialists that are experts ...
Perform various Systems / Software Engineering activities in GN&C and other fields on NASA Spacecraft, Launch Vehicle, and/or Mission Ground systems throughout the NASA software development lifecycle ...
Perform various Systems / Software Engineering activities in GN&C and other fields on NASA Spacecraft, Launch Vehicle, and/or Mission Ground systems throughout the NASA software development lifecycle ...
Overview The Software Engineer SME - Forensic Toolkit Lead Developer acts as a subject matter expert for forensic tool portions of the code base and provide senior-level design guidance while leading ...
Quick apply
Overview The Software Engineer SME - Forensic Toolkit Lead Developer acts as a subject matter expert for forensic tool portions of the code base and provide senior-level design guidance while leading ...
Clarksburg, WV · On-site
$120K - $158K/yr
Bachelor's degree in IT or related field Overview The Software Engineer Senior - Multimedia Toolkit Lead Developer perform system engineering and develop a multimedia review tool using Agile ...
Clarksburg, WV · On-site
$120K - $158K/yr
Bachelor's degree in IT or related field Overview The Software Engineer Senior - Multimedia Toolkit Lead Developer perform system engineering and develop a multimedia review tool using Agile ...
$64.6K - $77.7K
2% of jobs
$77.7K - $90.8K
4% of jobs
$90.8K - $103.9K
6% of jobs
$103.9K - $117K
8% of jobs
$124.1K is the 25th percentile. Wages below this are outliers.
$117K - $130.2K
7% of jobs
$130.2K - $143.3K
18% of jobs
The median wage is $146.4K / yr.
$143.3K - $156.4K
16% of jobs
$156.4K - $169.5K
2% of jobs
$174.9K is the 75th percentile. Wages above this are outliers.
$169.5K - $182.7K
26% of jobs
$182.7K - $195.8K
1% of jobs
$195.8K - $208.9K
8% of jobs
$64.6K
$150K
$208.9K
| Aspect | Software Engineer | Software Developer |
|---|---|---|
| Credentials | Bachelor's degree in CS or related field, certifications | Bachelor's degree often preferred, certifications optional |
| Work Environment | Designing, developing, testing, and maintaining software systems | Writing, coding, and implementing software applications |
| Industry Usage | Used across tech, finance, healthcare, and more for system-level roles | Commonly used in app and web development projects |
| Search Intent | Understanding roles, responsibilities, and qualifications | Learning about coding, programming, and project work |
While both roles involve software creation, Software Engineers typically focus on designing and architecting complex systems, whereas Software Developers mainly concentrate on coding and building specific applications. The roles often overlap, but the Engineer role may require broader system knowledge and design skills.

8.3
Based on 152 frontline employees who took The Breakroom Quiz
78th of 491 rated business services
We are seeking an experienced Senior Software Engineer with a strong backend focus and full-stack capabilities to design, build, test and maintain scalable software systems. This role will play a key part in architecting backend services, developing APIs, and collaborating with development team to deliver reliable, high-performance applications.
The ideal candidate has deep experience in backend systems, cloud-native architectures, testing, and modern CI/CD practices and tools, while also being comfortable contributing across the full stack when needed.
Key Responsibilities:
Design and develop scalable backend services, APIs, and microservices.
Create and maintain full-scale testing architecture plans and system design for software application.
Build, test, and maintain high-performance, secure, and reliable applications.
Collaborate with product managers, designers, customers, and engineers to deliver new features.
Write clean, maintainable, well-tested code following best practices.
Review code and mentor junior engineers.
Optimize applications for performance, scalability, and reliability.
Support CI/CD pipelines and cloud infrastructure for application.
Participate in Agile ceremonies including sprint planning, standups, retrospectives, and PI planning events.
Troubleshoot production issues and implement long-term solutions.
Functions as a technical expert across multiple project assignments.
Required Qualifications:
Bachelor's degree in Computer Science, Software Engineering, related field, or equivalent experience.
12-15+ years (or 10-13 years with Master's Degree) of professional software development experience.
Strong backend development experience in languages such as:
Java
Spring Boot
Hibernate
Hibernate using native queries
Strong automated testing experience in end-to-end testing, regression testing, integration testing, etc.
Experience building RESTful APIs and microservices architectures.
Strong knowledge of relational databases (PostgreSQL, MySQL, etc.)
Experience with cloud platforms such as AWS, Azure, or Google Cloud.
Experience with agile project management software such as Jira, Confluence, etc.
Familiarity with containerization technologies like Docker and Kubernetes.
Experience with version control systems such as Git.
Experience with CI/CD pipelines such as Gitlab.
Strong understanding of software architecture, design patterns, and system scalability.
Preferred Qualifications:
Experience with frontend frameworks (React, Angular, or Vue).
Knowledge of infrastructure-as-code tools (Terraform, CloudFormation).
Experience with observability tools (Datadog, Prometheus, Grafana).
Key Competencies:
Strong problem-solving and analytical thinking.
Passion for quality control and improving engineering practices.
Excellent communication and collaboration skills.
Ownership mindset and accountability for deliverables.
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:August 11, 2026For 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.
The Leidos pay range for this job level is a general guideline onlyand 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.
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At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainable practices. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community.
It services
10,000+ Employees
Reston, VA, US