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Junior Mid Software Developer Jobs in Washington

Jacobs

Junior Software Developer

Chantilly, VA · On-site

$68K - $89K/yr

BlackLynx, a Jacobs company, is looking for a junior software developer with knowledge of geolocation principles and applications. Responsibilities * Knowledge of and experience in geolocation ...

New

T-Rex Solutions

Junior Software Developer

Hanover, MD · On-site

$120K - $140K/yr

T-Rex is looking for a talented Software Developer to work on a program in the Hanover, Maryland ... T-Rex Overview Established in 1999, T-Rex Solutions, LLC is a proven mid-tier business providing ...

T-Rex Solutions

Junior Software Developer

Hanover, MD · On-site

$120K - $140K/yr

T-Rex is looking for a talented Software Developer to work on a program in the Hanover, Maryland ... T-Rex Overview Established in 1999, T-Rex Solutions, LLC is a proven mid-tier business providing ...

T-Rex Solutions

Junior Software Developer

Hanover, MD · On-site

$120K - $140K/yr

T-Rex is looking for a talented Software Developer to work on a program in the Hanover, Maryland ... T-Rex Overview Established in 1999, T-Rex Solutions, LLC is a proven mid-tier business providing ...

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Junior Mid Software Developer information

What is a junior mid software developer?

A Junior Mid Software Developer is an early-career professional responsible for designing, coding, testing, and maintaining software applications under the guidance of senior developers. This role typically requires some prior experience or education in programming and software development, bridging the gap between entry-level (junior) and more experienced (mid-level) positions. Junior Mid Software Developers work collaboratively within a team, contribute to project tasks, and continuously learn new technologies and best practices to advance their skills. They may be involved in debugging, documentation, and implementing new features based on project requirements.

What are the key skills and qualifications needed to thrive as a junior mid software developer?

To thrive as a Junior/Mid Software Developer, you need proficiency in programming languages (such as JavaScript, Python, or Java), understanding of software development principles, and usually a relevant degree or coding bootcamp experience. Familiarity with version control systems like Git, basic database management, and common frameworks or development environments is typically expected. Strong problem-solving skills, teamwork, and effective communication help you collaborate with colleagues and adapt to changing project requirements. These skills and qualities are essential for writing reliable code, maintaining project momentum, and contributing positively to development teams.

How does a junior mid software developer typically collaborate with senior developers and other team members?

As a Junior Mid Software Developer, you will often work closely with senior developers, participating in code reviews, pair programming sessions, and regular team stand-ups. You’ll have opportunities to ask questions, receive feedback on your code, and contribute to team discussions about technical solutions. Collaboration also extends to cross-functional teams, such as QA testers, UX/UI designers, and product managers, ensuring that software solutions meet both technical and business requirements. This supportive environment helps you build your skills and gradually take on more complex responsibilities.

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

AspectJunior Mid Software DeveloperSoftware Engineer
Experience LevelEntry to mid-level, typically 1-3 yearsMid to senior level, often 3+ years
ResponsibilitiesWriting code, fixing bugs, assisting in developmentDesigning systems, architecture, leading projects
Skills & CertificationsBasic programming skills, common certifications (e.g., Java, Python)Advanced coding, system design, certifications often preferred
Work EnvironmentTeam collaboration, supervised tasksLeadership roles, complex problem-solving

While Junior Mid Software Developers focus on coding and assisting in projects, Software Engineers typically handle system design and architecture, often with more experience and responsibility. The roles overlap in skills and industry usage, but differ mainly in experience level and scope of work.

What are popular job titles related to Junior Mid Software Developer jobs in Washington?

For Junior Mid Software Developer jobs in Washington, the most frequently searched job titles are:

What job categories do people searching Junior Mid Software Developer jobs in Washington look for?

The top searched job categories for Junior Mid Software Developer jobs in Washington are:

Junior Mid Software Developer jobs near you
Infographic showing various Junior Mid Software Developer job openings in Washington as of August 2026, with employment types broken down into 1% Internship, 85% Full Time, 11% Part Time, and 3% Contract. Highlights an 87% Physical, 4% Hybrid, and 9% Remote job distribution.

Junior-Mid Full Stack Developer, TS/SCI with CI Poly - $95K-$180K + 15% 401k

Chantilly, VA • On-site

Millennial Software Solutions Inc
See more jobs at Millennial Software Solutions Incexternal

$95K - $180K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 4 days ago

Job description

Job Type
Full-time
Description
About Millennial Software:
Millennial Software is revolutionizing the landscape of security and defense by leveraging our core competencies in software development, automation, DevSecOps, and machine learning.
  • We are an employee-owned company, every employee receives equity in the company
  • 100% company-paid medical, dental, and vision premiums for you and all dependents
  • Ability to get increased salary if you don't need medical/dental/vision
  • 100% company-paid disability and life insurance benefits
  • 15% 401(k) company contribution
  • 30 days of PTO/holidays
  • Generous training budget
  • Paid Paternal and Maternal Leave
  • Business development / growth incentives
  • Top notch company swag

About the Position:
Millennial Software is seeking a Junior - Mid level Full Stack Software Developer to join our collaborative team supporting a Government customer. You'll contribute to the design, development, and support of modern, data-driven applications and tools that simplify complex user workflows and enable mission-critical decisions.
This is a great opportunity for a motivated developer to grow technical skills across the full stack, with a particular focus on modern software development processes and technologies.
The ideal candidate is passionate in the full lifecycle of application, including design, coding, testing, implementation, deployment as well as support and maintenance. The candidate must be comfortable collaborating closely with users and developers to build and maintain polished, high-performance tools in mission-critical environments.
Essential Functions:
  • Design, build, test, and ship full-stack features spanning user interfaces, backend services, and data layers.
  • Collaborate with product and design to translate requirements into technical plans and iterative deliverables.
  • Build and maintain scalable APIs and service integrations; ensure correctness, reliability, and performance.
  • Implement and maintain frontend components with attention to usability, responsiveness, and accessibility.
  • Deploy, upgrade and maintain software components into Kubernetes based infrastructures using helm charts and command line tools.
  • Write automated tests and participate in code reviews to maintain quality and reduce defects.
  • Monitor, troubleshoot, and resolve production issues; participate in on-call or incident response as needed.
  • Improve developer workflows (CI/CD, local dev, tooling) and system observability (logging, metrics, tracing).
  • Document solutions, decisions, and operational runbooks to support long-term maintainability.
  • Follow secure development practices and contribute to risk reduction (security, privacy, compliance as applicable).

Requirements
Required Qualifications:
  • Demonstrated experience delivering production software across both frontend and backend domains.
  • Proficiency in at least one modern backend language (e.g., Python, Java, Go, C#, Node.js) and one modern frontend stack (e.g., JavaScript/TypeScript with React/Vue/Angular).
  • Experience designing and consuming APIs (REST and/or GraphQL), integrating with databases, and handling data models.
  • Experience with messaging and queuing platforms such as Kafka, RabbitMQ, or similar.
  • Experience creating and maintaining Docker containers, Helm charts, orchestration platforms such as Kubernetes clusters, and using cloud infrastructure services (AWS/Azure/GCP).
  • Working knowledge of software engineering fundamentals: version control, testing, debugging, performance, and secure coding.
  • Experience collaborating in a team environment (code reviews, iterative delivery, clear communication).
  • Ability to break down ambiguous problems and deliver solutions with measurable outcomes.
  • Bachelor's degree in a related field or equivalent practical experience.
  • Active TS/SCI clearance.
  • Ability to work on-site at one of the following locations - Virginia: Fairfax, Chantilly, McLean, Sterling or Colorado: Colorado Springs.

Nice to have:
  • Experience with event-driven systems (queues/streams), caching, and distributed system patterns.
  • Familiarity with infrastructure-as-code and CI/CD best practices.
  • Experience with observability tools (APM, structured logging, metrics, tracing).
  • Exposure to accessibility standards (WCAG) and frontend performance optimization.
  • Prior work in regulated environments or systems requiring strong security/compliance considerations.

Millennial Software Solutions Inc. is an Equal Opportunity Employer and does not discriminate in employment on the basis of race, color, religion, sex, national origin, political affiliation, sexual orientation, gender identity, marital status, disability and genetic information, age, membership in an employee organization, or other non-merit factor.
Salary Description
$95,000 - $180,000 annually

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