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Software Developer 4 Jobs in Washington (NOW HIRING)

Responsibilities Peraton is seeking a Software Developer in our Linthicum, MD office in support of ... However, an additional four years of experience may be considered in lieu of a Bachelors degree.

The role emphasizes software development, platform integration, operational monitoring ... Bachelor's degree in Computer Science, Information Systems, Engineering, or related field with 4+ ...

Software Developer

Linthicum Heights, MD · On-site

$140K - $155K/yr

The engineer will be heavily involved with the creation, maintenance, and running of Pig and or ... Four (4) years of additional SWE experience on projects with similar software processes may be ...

... Minimum 4 yrs & more preferred. Under general direction of the Manager Software Development ... Mentors and directs the efforts of more entrylevel Engineers. 6.Provides third tier support when ...

Software Engineer to support an office that is accountable for clearance processing of all ... 4. Developing, testing, and debugging web-based UI pages to ingest data and generate JSON, CSV ...

Software Developer

Chantilly, VA · On-site

$200K - $240K/yr

Software Subcategory: SW Engineer Schedule: Full-Time Shift: Day Job Travel: No Minimum Clearance ... Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $4.5 billion. For more ...

Software Engineer to support an office that is accountable for clearance processing of all ... 4. Developing, testing, and debugging web-based UI pages to ingest data and generate JSON, CSV ...

SIGINT Software Developer LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this ... Some contracts give 4-5 years experience credit for a Bachelor's Degree. Some contracts give 2 ...

Software Engineer to support an office that is accountable for clearance processing of all ... 4. Developing, testing, and debugging web-based UI pages to ingest data and generate JSON, CSV ...

SIGINT Software Developer LOCATION Chantilly, VA 20151 CLEARANCE TS/SCI Full Poly (Please note this ... Some contracts give 4-5 years experience credit for a Bachelor's Degree. Some contracts give 2 ...

May substitute four years' experience in lieu of a Bachelor's Degree. * Twenty (20) years of experience as a Software Engineer supporting programs and contracts of similar scope, type, and complexity.

Aligned around a shared purpose, our $4.5B company and 16,000 people work alongside our clients ... We are recruiting for an active TS/SCI cleared Software Developer who will be responsible for ...

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Software Developer 4 information

See Washington salary details

$54.4K

$126.7K

$188K

How much do software developer 4 jobs pay per year?

As of Jul 13, 2026, the average yearly pay for software developer 4 in Washington is $126,675.00, according to ZipRecruiter salary data. Most workers in this role earn between $101,900.00 and $147,200.00 per year, depending on experience, location, and employer.

What is L1, L2, L3, and L4 developer?

In the context of a Software Developer 4 role, L1, L2, L3, and L4 typically refer to different levels of seniority or experience within an organization, with L1 being entry-level and L4 indicating a senior or lead position. These levels often correspond to increasing technical skills, responsibilities, and leadership expectations, and are used to structure career progression and compensation. The specific definitions can vary by company, but generally, higher levels require more advanced coding, problem-solving, and mentorship abilities.

What engineer makes $500,000 a year?

Senior software engineers or software architects at large technology companies can earn $500,000 or more annually, often including base salary, bonuses, and stock options. Achieving this level typically requires extensive experience, advanced skills in areas like system design or cloud computing, and often involves working in high-cost-of-living regions or at companies with competitive compensation packages.

What is the difference between Software Developer 4 vs Software Developer 3?

CriteriaSoftware Developer 4Software Developer 3
Experience LevelTypically 5+ years, advanced expertise3-5 years, intermediate to advanced skills
ResponsibilitiesLeading projects, designing complex systems, mentoringImplementing features, fixing bugs, collaborating on projects
CertificationsOften required or preferred (e.g., AWS, Scrum)Less emphasis on certifications, focus on skills
Work EnvironmentIndependent, leadership roles, cross-team collaborationTeam-based, task-focused, collaborative

Software Developer 4 generally has more experience, leadership responsibilities, and advanced technical skills compared to Software Developer 3. While both roles require strong programming knowledge, Software Developer 4 often leads projects and mentors others, reflecting a higher level of expertise and responsibility.

What is a software developer 4?

A Software Developer 4 is a senior-level software engineer responsible for designing, developing, and maintaining complex software systems. This role typically requires extensive experience, advanced programming skills, and proficiency with tools like version control and debugging. They often lead projects, mentor junior staff, and contribute to technical decision-making.

Will AI replace developers in 2026?

As a Software Developer 4, AI is expected to augment coding and automation tasks rather than fully replace developers by 2026. Developers will continue to be essential for designing, debugging, and managing AI tools, requiring skills in programming languages, problem-solving, and understanding AI systems. Human expertise remains critical for complex decision-making and innovative software development.
What cities in Washington are hiring for Software Developer 4 jobs? Cities in Washington with the most Software Developer 4 job openings:
Software Developer

$135K - $216K/yr

Full-time

Posted 3 days ago


Peraton rating

8.3

Company rating: 8.3 out of 10

Based on 56 frontline employees who took The Breakroom Quiz

42nd of 210 rated it services


Job description

Responsibilities

Peraton is seeking a Software Developer in our Linthicum, MD office in support of our Department of Defense (DoD) customer as part of a highly talented, highly motivated, and high-performing team. This position offers a unique opportunity to work at the forefront of cyber investigations, digital forensics, cyber threat analysis, and mission support in a dynamic and collaborative environment. The successful candidate will contribute to protecting national security interests by leveraging technical expertise, analytical skills, and innovative problem-solving to address complex cyber challenges. Individuals who are passionate about cybersecurity, committed to excellence, and eager to make a meaningful impact are encouraged to apply.

Uses education and experience to design develop, code, test, and debug software utilizing C#, ASP.Net, AngularJS, and/or Angular framework. Implements interfaces with Apache HTTPD server, postGres and Microsoft databases. Supports moving existing applications to Azure cloud.

Works with product owner, project manager, and software engineers to interpret requirements, design solutions, and implement code to meet system performance goals. Writes, tests, and documents error-proof code. Supports continuous integration and continuous development pipeline.

Complies with government directives, standards, guidelines, and criteria concerning software safety and systems safety. Confirms design mitigations are captured in the design and its documentation and verifies implementation.

Specific focus: Web based application and cyber tool software development.

Collaborate with Software Engineering, DevOps and QA teams through the development cycle.

Work with cross-functional team to identify user needs and specify solutions in the problem domain.

Support architecture and design process.

Code new features: integrate APIs, configure software packages; conduct unit testing and prepare for production; O&M support for running applications (improve and patch).

Assist in developing deployment plan including software deployment checklists and quality controls.

Apply DevSecOps best practices to promote software into the CI/CD pipeline for continuous ATO.

Implement, test, and operate advanced software security techniques in compliance with technical reference architecture.

Perform on-going security testing and code review to improve software security.

Troubleshoot and debug issues that arise.

Maintain technical documentation.

Develop a familiarity with new cyber software, tools, and best practices.

Possess coding proficiency using:

C# or Java; Python or PHP

Experience architecting, implementing, and deploying cloud native solutions.

Familiarity with containerized development (Docker, Kubernetes)

Use Gitlab CI/CD for automated testing and cloud deployments via Helm.

Experience developing front end web applications.

Experience with backend/API development

SQL/NoSQL database modeling and administration

Qualifications
  • Minimum of 8 years with BS/BA; Minimum of 6 years with MS/MA; Minimum of 3 years with PhD. A degree in one of the following fields is highly desired: Software Engineering, Computer Science, Information Technology, Information Systems, Data Science, or Cybersecurity. However, an additional four years of experience may be considered in lieu of a Bachelors degree.
  • Required active certification: Security+ or CASP+ or Kubernetes CKA or AWS Developer Associate.
  • Requires direct hands-on experience developing, designing, and implementing software applications for a customer.
  • Direct hands-on experience with development management tools Jira/Confluence/GitLab and testing tools.
  • Must have an active SECRET clearance.
Peraton Overview

Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world's leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees do the can't be done by solving the most daunting challenges facing our customers. Visit peraton.com to learn how we're keeping people around the world safe and secure.

Target Salary Range$135,000 - $216,000. This represents the typical salary range for this position. Salary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual's experience, education, knowledge, skills, and competencies, as well as geographic location and business and contract considerations. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay.EEOEEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.Employment Type: FULL_TIME

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About Peraton

Sourced by ZipRecruiter

At Peraton, we re at the forefront of delivering the next big thing every day. We re the partner of choice to help solve some of the world s most daunting challenges, delivering bold, new solutions to keep people around the world safer and more secure.

Industry

It services

Company size

10,000+ Employees

Headquarters location

Herndon, VA, US

Year founded

2017