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Jr Developer Jobs in Columbia, MD (NOW HIRING)

Peraton

Jr Cyber Penetration Tester

Arlington, VA · On-site

$66K - $106K/yr

Responsibilities Peraton is currently seeking a Jr Cyber Penetration Tester to become part of our ... This Federal Strategic Cyber program encompasses technical, engineering, data analytics ...

Chenega Corporation

Jr Systems Engineer

Vienna, VA

Summary Jr. System Engineer Vienna, Virginia Are you ready to enhance your skills and build your career in a rapidly evolving business climate? Are you looking for a career where professional ...

Veredus - DC

RUBY RUBY RUBY!!!

Washington, DC · On-site

$116K - $159K/yr

Jr Database Developer - Perm Role - Washington DC - A small government contracting company is looking for a MySQL Developer to support backend development in a Ruby on Rails environment Additional ...

Maxar

GIS Engineer (Jr)

Reston, VA · On-site

$67K - $111K/yr

Vantor is forging the new frontier of spatial intelligence, helping decision makers and operators navigate what's happening now and shape what's coming next. Vantor is a place for problem solvers ...

Red Alpha

Jr to Mid-level DevOps Engineer

Annapolis, MD · On-site

$125K - $155K/yr

We are seeking a DevOps Engineer to support a modernization effort focused on consolidating and enhancing our customer's authoring, dissemination, and supporting platforms. The role is responsible ...

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All JobsJr Developer JobsJr Developer Jobs in Columbia, MD

Jr Developer information

See Columbia, MD salary details

$23.4K

$86.7K

$133.9K

How much do jr developer jobs pay per year?

As of Aug 9, 2026, the average yearly pay for jr developer in Columbia, MD is $86,653.00, according to ZipRecruiter salary data. Most workers in this role earn between $65,200.00 and $84,700.00 per year, depending on experience, location, and employer.

What is a jr developer?

Jr Developers, or Junior Developers, are entry-level professionals in the software development field. They typically have less experience than mid-level or senior developers and are responsible for writing, testing, and maintaining code under the guidance of more experienced team members. Jr Developers often work on smaller tasks, bug fixes, or simple features, and are expected to learn and grow their technical skills through mentorship and hands-on experience. Their role is essential for building a solid foundation in software development and contributing to the success of development projects.

What does a junior developer do?

A junior developer assists in designing, coding, testing, and maintaining software applications under the supervision of senior developers. They typically work with programming languages like Java, Python, or JavaScript and use development tools such as version control systems. Their role involves learning best practices and gaining experience in software development processes.

How much does a junior developer get paid?

A junior developer typically earns between $50,000 and $70,000 annually, depending on location, industry, and skills. Entry-level roles often require knowledge of programming languages like JavaScript, Python, or Java, and may include benefits such as training and mentorship.

What are some common challenges a jr developer might face when joining a new team, and how can they overcome them?

As a Jr Developer, one of the most common challenges is adapting to unfamiliar codebases and workflows. It can be daunting to understand existing projects and navigate team-specific tools and processes. To overcome this, Jr Developers should proactively seek help from team members, take thorough notes, and dedicate time to reviewing documentation and code. Embracing code reviews and asking questions will not only accelerate learning but also help build relationships within the team.

What is the difference between Jr Developer vs Junior Software Engineer?

AspectJr DeveloperJunior Software Engineer
Required CredentialsTypically an associate degree or coding bootcamp certificationUsually a bachelor's degree in computer science or related field
Work EnvironmentEntry-level, supervised tasks, learning-focusedSimilar entry-level environment, often with more complex project involvement
Employer & Industry UsageCommon in tech companies, startups, and IT departmentsUsed interchangeably in many companies, especially in software development teams
Search & Comparison IntentYes, often compared for entry-level rolesYes, often searched as a more formal or technical title

While both roles are entry-level software development positions, a Jr Developer often emphasizes basic coding tasks and learning, whereas a Junior Software Engineer may involve more structured engineering responsibilities. The titles are frequently used interchangeably, but understanding the specific job description can clarify expectations.

What are the key skills and qualifications needed to thrive as a jr developer?

To thrive as a Jr Developer, you need a foundational understanding of programming languages (such as JavaScript, Python, or Java), basic software development principles, and often a relevant degree or coding bootcamp certification. Familiarity with version control systems like Git, IDEs, and workflow tools like Jira or Trello is typically required. Strong problem-solving skills, effective communication, and eagerness to learn help Jr Developers stand out in the workplace. These abilities are crucial for efficiently contributing to team projects, adapting to new technologies, and growing within a dynamic development environment.
What are popular job titles related to Jr Developer jobs in Columbia, MD? For Jr Developer jobs in Columbia, MD, the most frequently searched job titles are:
What job categories do people searching Jr Developer jobs in Columbia, MD look for? The top searched job categories for Jr Developer jobs in Columbia, MD are:
What cities near Columbia, MD are hiring for Jr Developer jobs? Cities near Columbia, MD with the most Jr Developer job openings:
Jr Developer jobs near you
Infographic showing various Jr Developer job openings in Columbia, MD as of August 2026, with employment types broken down into 78% Full Time, 7% Part Time, and 15% Contract. Highlights an 81% Physical, 4% Hybrid, and 15% Remote job distribution, with an average salary of $86,653 per year, or $41.7 per hour.

Jr Cyber Penetration Tester / Secret

Peraton

Arlington, VA • On-site

$66K - $106K/yr

Full-time

Re-posted 5 days ago

Peraton rating

8.3

Company rating: 8.3 out of 10

Based on 56 frontline employees who took The Breakroom Quiz

50th of 223 rated it services

Job description

Responsibilities

Peraton is currently seeking a Jr Cyber Penetration Tester to become part of our Federal Strategic Cyber Group.  

Location: Arlington, VA. Situational Telework. Must be local to the job site. 

This Federal Strategic Cyber program encompasses technical, engineering, data analytics, cyber security, management, operational, logistical and administrative support to aid and advise the Cyber & Technology Security (CTS) Directorate. This includes protecting a global cyber infrastructure comprising networks, systems, information, and mobile devices all while identifying and responding to cyber risks and threats.

In this role, you will:

  • Support the Penetration Testing (Red Cell) Team.
  • Assess the current state of the customer's system security by identifying all vulnerabilities and security measures.
  • Help customer perform analysis and mitigation of security vulnerabilities.
  • Perform and report on penetration testing of systems, including cloud, to satisfy the NIST 800-53 CA-8 security control and using methodologies that may include, NIST SP 800-115, Penetration Testing Execution Standard (PTES), and Information Systems Security Assessment Framework (ISSAF).
  • Stay abreast of current attack vectors and unique methods for exploitation of computer networks.
  • Provide support to incident response teams through capability enhancement and reporting.
  • Assist in maintaining Red Cell infrastructure.
  • Develop or modify tools that automate discovery or exploitation (e.g. bash, Python, JavaScript, PowerShell).
Qualifications

Required: LU

  • Bachelor's degree and 1 year of related experience or an additional 4 years may be considered in lieu of the degree requirement.
  • Basic understanding of networking and security principles.
  • Experience with evaluating system security configurations.
  • Understand common Web Application vulnerabilities like SQLi, XSS, CSRF, and HTTP Flooding.
  • Experience with penetration testing tools such as Metasploit, Burp Suite, Nmap, etc.
  • Fundamentals of network routing & switching and assessing network device configurations.
  • Familiarity in evaluating findings and performing root cause analysis.
  • Demonstrated ability to work alone and/or within a small group.
  • Either possess or obtain prior to start date ONE of the following certifications:
    • CCNA Cyber Ops, CCNA-Security, CEH, CFR, Cloud+, CySA+, GCIA, GCIH, GICSP, or SCYBER
  • U.S. citizenship required.
  • Active Secret security clearance.

Preferred:

  • Active Top Secret or TS/SCI.

#DSCM

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$66,000 - $106,000. 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

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