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Junior Mid Software Developer Jobs (NOW HIRING)

Nightwing

Junior Software Developer

Annapolis Junction, MD · On-site

$68K - $88K/yr

They are seeking a Junior Software Developer to design and implement custom software tools, diagnose issues, and mentor junior developers in a collaborative environment. Responsibilities : • Design ...

Belay Technologies

Mid Software Engineer

Columbia, MD · On-site

$70K - $190K/yr

Belay Technologies is seeking a Mid Software Engineer to join our intel team. The ideal candidate ... The developer will be responsible for maintaining a highly-used production system. The developer ...

New

Belay Technologies

Mid. Software Engineer

Annapolis, MD · On-site

$190K - $240K/yr

Mid Level - * Four (4) years of additional software engineering experience on projects with similar software processes may be substituted for a bachelor's degree. * Fourteen (14) years of experience ...

Nightwing

Junior Software Developer

Annapolis Junction, MD · On-site

$68K - $88K/yr

They are seeking a Junior Software Developer to design and implement custom software tools, diagnose issues, and mentor junior developers while working on various platforms including Windows and ...

Belay Technologies

Mid Software Engineer

Columbia, MD · On-site

Belay Technologies is seeking a Mid Software Engineer to join our intel team. The ideal candidate ... The developer will be responsible for maintaining a highly-used production system. The developer ...

Nwis

Junior Software Developer

Annapolis Junction, MD · On-site

$73K - $95K/yr

Junior Software Developer Position Description At Nightwing CODEX, a software developer designs and implements custom software tools and techniques. Most of the work is developed in Python, C++ and ...

Apex Systems

$75 - $110/hr

Mid Software Engineer Location: Patuxent River, Maryland Clearance: Minimum of a Secret clearance ... We are looking for a developer with the skills needed to develop software and systems from vision ...

Nightwing

Junior Software Developer

Annapolis, MD · On-site

$66K - $86K/yr

Junior Software Developer Position Description At Nightwing CODEX, a software developer designs and implements custom software tools and techniques. Most of the work is developed in Python, C++ and ...

Career Search

Junior Software Developer

Southern Pines, NC · Remote

$36K - $46K/yr

Junior Software Developer Apply today in 2 quick steps! To Apply: complete this 3-minute survey and ... Participate in paired programming with mid-level and senior developers, absorbing best practices ...

HII's Mission Technologies division

$56K - $143K/yr

The Developer is responsible for designing, developing, and troubleshooting various types of ... Software Engineer Junior - Min $56,566 - Target - $80,808 Software Engineer Mid - Min $68,123 ...

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Junior Mid Software Developer information

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How much do junior mid software developer jobs pay per year?

As of Aug 26, 2026, the average yearly pay for junior mid software developer in the United States is $88,976.00, according to ZipRecruiter salary data. Most workers in this role earn between $67,000.00 and $87,000.00 per year, depending on experience, location, and employer.

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.

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

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Junior Mid Software Developer jobs near you
Infographic showing various Junior Mid Software Developer job openings in the United States as of August 2026, with employment types broken down into 1% As Needed, 87% Full Time, 8% Part Time, and 4% Contract. Highlights an 87% Physical, 4% Hybrid, and 9% Remote job distribution, with an average salary of $88,976 per year, or $42.8 per hour.

Junior-Mid Backend Software Engineer, 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 17 days ago

Job 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

Job Description:
Millennial Software is seeking a Junior - Mid level Backend Software Developer to join our collaborative team supporting National Security. You'll design, develop, and support scalable APIs and services using a tech stack that power data-driven applications and enable mission-critical decisions. You will focus on backend architecture, data modeling, integrations, performance, and reliability while partnering with frontend engineers, analysts, and users.
The ideal candidate is passionate about the full lifecycle-design, coding, testing, deployment, and sustainment-and comfortable delivering secure, high-quality tools in mission environments.
Essential Functions:
  • Design, implement, and maintain backend services, APIs, and integrations that support product features.
  • Develop data models and persistence layers; ensure data quality, integrity, and performance.
  • Build reliable service-to-service communication and integration patterns (REST/GraphQL, messaging, streaming).
  • Apply secure coding practices and ensure appropriate authentication/authorization patterns.
  • Create and maintain automated tests (unit/integration) and participate in peer code reviews.
  • Diagnose and resolve production issues; improve reliability through monitoring, alerting, and runbooks.
  • Collaborate with frontend engineers and other stakeholders to define contracts and support end-to-end delivery.
  • Identify bottlenecks and drive performance improvements (latency, throughput, resource utilization).
  • Produce technical documentation for systems, APIs, and operational procedures.

Requirements
Required Qualifications:
  • Demonstrated experience building and operating production backend services and APIs.
  • Proficiency in at least one backend language (e.g., Python, Java, Go, C#, Node.js) and common frameworks.
  • Strong understanding of API design, authentication/authorization concepts, and service reliability.
  • Experience with relational and/or NoSQL databases, query optimization, and schema/data modeling.
  • Experience with messaging and queuing platforms such as Kafka, RabbitMQ, or similar.
  • Familiarity with testing strategies and CI workflows; comfort with debugging and incident triage.
  • Ability to collaborate cross-functionally and communicate technical decisions clearly.
  • Experience creating and maintaining Docker containers, Helm charts, orchestration platforms such as Kubernetes clusters, and using cloud infrastructure services (AWS/Azure/GCP).
  • Bachelor's degree in a related field or equivalent practical experience.
  • At least 2-10 years performing backend software engineering.
  • 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 designing distributed systems (caching, queues, streaming, idempotency, retries, circuit breakers).
  • Observability experience: metrics, logging, tracing; familiarity with SLOs/SLIs and incident response practices.
  • Experience with data pipelines, ETL/ELT, or search platforms.
  • Knowledge of security best practices (threat modeling, secrets management, secure SDLC).
  • Experience with performance testing and capacity planning.

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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