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Junior App Developer Jobs in Washington (NOW HIRING)

DANE LLC

Software Developer

Chantilly, VA · On-site

$85K - $100K/yr

  • PTO

We are seeking a junior to mid-level Software Developer to join our team and help refactor ... Add structured logging, tracing, and metrics (App Insights, OpenTelemetry, Prometheus/Grafana ...

DANE LLC

Software Developer

Chantilly, VA · On-site

$85K - $100K/yr

  • PTO

We are seeking a junior to mid-level Software Developer to join our team and help refactor ... Add structured logging, tracing, and metrics (App Insights, OpenTelemetry, Prometheus/Grafana ...

DANE LLC

Software Developer

Chantilly, VA · On-site

$85K - $100K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

We are seeking a junior to mid-level Software Developer to join our team and help refactor ... Add structured logging, tracing, and metrics (App Insights, OpenTelemetry, Prometheus/Grafana ...

iStrategyLabs

Senior Web Developer

Washington, DC · On-site

You might even build a mobile app using React Native. Every day will be different-you'll learn more ... You contribute to code reviews and help junior team members level up * Enough backend-end ...

iStrategyLabs

Senior Web Developer

Washington, DC

You might even build a mobile app using React Native. Every day will be different-you'll learn more ... You contribute to code reviews and help junior team members level up * Enough backend-end ...

TechWish

Senior Java Developer

Sterling, VA · On-site

$57 - $72.50/hr

Responsibilities : • Design and develop software applications using Twelve-Factor App methodology ... junior/mid-level developers. • All other duties as assigned or directed. Qualifications

Peraton

Senior Applications Developer

Germantown, MD · On-site

$97K - $133K/yr

... junior and mid-level developers on the team • Modernize and re-platform applications written in ... App Service, Azure SQL Managed Instance, and Azure DevOps • 4-6+ years of experience with ...

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All JobsApp Developer JobsJunior App Developer JobsJunior App Developer Jobs in Washington

Junior App Developer information

See Washington salary details

$27.2K

$100.8K

$155.7K

How much do junior app developer jobs pay per year?

As of Aug 16, 2026, the average yearly pay for junior app developer in Washington is $100,773.00, according to ZipRecruiter salary data. Most workers in this role earn between $75,900.00 and $98,500.00 per year, depending on experience, location, and employer.

What does a junior app developer do?

A Junior App Developer is an entry-level professional who assists in the design, development, testing, and maintenance of mobile or web applications. They typically work under the supervision of more experienced developers, writing code, fixing bugs, and learning about various programming languages and development tools. Junior App Developers also collaborate with team members to understand user requirements and contribute to the overall functionality and improvement of applications.

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

To thrive as a Junior App Developer, you need a solid grasp of programming languages (such as Java, Swift, or JavaScript), understanding of software development principles, and a relevant degree or coding bootcamp experience. Familiarity with integrated development environments (IDEs), version control systems like Git, and knowledge of frameworks such as React Native or Flutter are typically expected. Problem-solving abilities, teamwork, adaptability, and effective communication help set candidates apart in collaborative and fast-changing environments. These skills and qualities ensure you can build reliable applications, work well with teammates, and adapt to evolving project requirements.

What types of projects and technologies do junior app developers typically work on in their first year?

As a Junior App Developer, you will often start by working on smaller features, bug fixes, or assisting with app maintenance under the guidance of more experienced developers. Common technologies include popular programming languages like Java, Swift, Kotlin, or JavaScript, and frameworks such as React Native or Flutter, depending on whether your team focuses on iOS, Android, or cross-platform apps. You'll likely be involved in code reviews, testing, and collaborating with designers and product managers to ensure your work aligns with user needs and business goals. This hands-on experience helps you build foundational skills and prepares you for more complex assignments as you gain confidence.

What is the difference between Junior App Developer vs Mobile App Developer?

AspectJunior App DeveloperMobile App Developer
Required CredentialsTypically an associate degree or bootcamp certification, some coding experienceSimilar; often a degree in computer science or related field
Work EnvironmentEntry-level, team-based projects, supervised tasksDeveloping, testing, and maintaining mobile applications for various platforms
Employer & Industry UsageStartups, small to medium companies, tech firmsTech companies, app development agencies, startups
Common Search & ComparisonYesYes

The main difference between a Junior App Developer and a Mobile App Developer lies in experience level and scope. Junior App Developers are entry-level, focusing on learning and assisting in app projects, while Mobile App Developers typically have more experience and handle full app development processes. Both roles often require similar credentials and work in similar environments, but Mobile App Developers usually take on more complex tasks and responsibilities.

What are the most commonly searched types of App Developer jobs in Washington?

The most popular types of App Developer jobs in Washington are:

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

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

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

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

What cities in Washington are hiring for Junior App Developer jobs?

Cities in Washington with the most Junior App Developer job openings:

Junior App Developer jobs near you
Infographic showing various Junior App Developer job openings in Washington as of August 2026, with employment types broken down into 80% Full Time, and 20% Contract. Highlights an 100% In-person job distribution, with an average salary of $100,773 per year, or $48.4 per hour.

Software Developer

DANE LLC

Chantilly, VA • On-site

$85K - $100K/yr

Full-time

PTO

Re-posted 8 days ago

Job description

Description 
At DANE, our ability to retain employees is a testament to how we treat, value, and support our incredibly smart, talented team. We offer aggressive PTO from day one, comprehensive benefits, and learning opportunities to support our employees in being their best. We value curiosity, initiative, and the drive to solve problems. You’ll work in an environment where your insights matter, where learning is encouraged, and where your contributions have a direct impact on the mission and the users we support. 
We are seeking a junior to mid-level Software Developer to join our team and help refactor monoliths, build secure REST APIs and microservices, and implement event-driven integrations while learning best practices in cloud, DevOps, and enterprise integration platforms (MuleSoft). This is a hands-on role ideal for early-career developers who thrive in agile teams and want to grow rapidly through real modernization work.  
Responsibilities  
  • Implement user stories, fix defects, and refactor legacy codebases (i.e. .NET/Java) into maintainable modules and microservices. 
  • Build RESTful services with ASP.NET Core, Spring Boot, or NestJS; document contracts with OpenAPI/Swagger. 
  • Develop and test MuleSoft Anypoint flows (i.e. System/API/ Process layers); configure connectors, transformations, and error handling. 
  • Write unit, integration, and API tests (xUnit/NUnit, JUnit, Jest); 
  • Maintain test data; participate in code reviews. DevOps & CI/CD.  
  • Contribute to pipelines (Azure DevOps/GitHub Actions), containerize apps with Docker, and assist with Kubernetes deployments. 
  • Add structured logging, tracing, and metrics (App Insights, OpenTelemetry, Prometheus/Grafana); help troubleshoot incidents.  
  • Implement OAuth2/OIDC, role-based access, input validation, and secure secrets handling; follow secure coding standards. 
  • Work with relational databases (SQL Server, Oracle, PostgreSQL); assist in data mapping, migrations, and performance tuning. 
  • Participate in stand-ups, backlog refinement, sprint reviews/retros; keep work items up to date and well-documented. 
 
Requirements 
  • Must have a bachelor’s degree in computer science or related field. 
  • Must have an Active DOD Secret Clearance 
  • Minimum of 3+ Years of experience as a Software Developer 
  • Minimum of 2+ years’ experience with .NET, Java, MuleSoft 
  • Must have experience with .NET, Java, Oracle Database projects and applications. 
  • Must have SQL Server, PostgreSQL, and MuleSoft experience. 
  • Must have ASP.NET , Boot, or NestJS experience 
  • Experience with Azure DevOps/GitHub Actions, Docker, and Kubernetes  
  • Must have experience with OpenTelemetry, Prometheus/Grafana 
  • Must have exceptional ability to break down complex situations and identify root causes for both technical and process-related issues 
  • Must have strong verbal and written communication skills; ability to articulate technical concepts to non-technical users and collaborate effectively with development teams 
  • Must have the proven ability to quickly learn new technologies and apply skills in evolving technical environments 
 
 
DANE LLC is an equal-opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.