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Freelance App Developer Jobs in Washington, DC (NOW HIRING)

Quidient

Staff iOS Engineer

Columbia, MD · On-site

$165K - $200K/yr

... freelance acceptable but must include experience with large, complex codebases (not simple sandbox ... Deep expertise in iPhone app development using Swift, with recent hands-on iOS. * Heavy iOS ...

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Freelance App Developer information

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$18

$58

$93

How much do freelance app developer jobs pay per hour?

As of Aug 16, 2026, the average hourly pay for freelance app developer in Washington, DC is $58.19, according to ZipRecruiter salary data. Most workers in this role earn between $46.78 and $66.97 per hour, depending on experience, location, and employer.

What does a freelance app developer do?

A freelance app developer is a self-employed professional who designs, develops, tests, and maintains mobile or web applications for clients on a contract basis. They work independently, often handling multiple projects for various clients, and are responsible for the entire app development lifecycle. Freelance app developers may specialize in specific platforms like iOS, Android, or cross-platform frameworks, and must manage their own schedules, client communication, and business operations.

How to become a freelance app developer?

The qualifications to become a freelance app developer vary, but you should have experience with software development and knowledge of various programming languages, such as Java or C#. Many app developers begin their career at a software development company where their duties involve working on projects to build mobile or desktop apps. An associate or bachelor’s degree is often a prerequisite for one of these jobs. Others may start by developing apps in their spare time and putting them on app stores where users can download them. Knowing how to both code and promote your apps and services is necessary for freelancing. Develop your marketing skills, and you can factor them in when determining your rate and the type of services you want to provide, for example, consulting services.

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

To thrive as a Freelance App Developer, you need strong programming skills (such as proficiency in languages like Java, Swift, or Kotlin), a solid understanding of UI/UX principles, and experience with app deployment for iOS and Android platforms. Familiarity with integrated development environments (IDEs) like Android Studio or Xcode, and knowledge of version control systems (e.g., Git), are typically required, along with relevant certifications as a plus. Excellent communication, time management, and client relationship skills help freelancers stand out when managing projects and expectations independently. These skills are crucial for delivering high-quality apps on time, maintaining client satisfaction, and sustaining a successful freelance business.

How do freelance app developers typically manage client communication and project expectations?

Freelance app developers often use a combination of project management tools, regular check-ins, and clear documentation to keep clients informed and aligned throughout the development process. Establishing milestones and providing frequent progress updates help manage expectations and reduce misunderstandings. Being proactive in addressing potential delays or technical challenges is also crucial, as is setting clear boundaries around availability and response times. Effective communication skills are key to building trust and ensuring successful project delivery.

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

AspectFreelance App DeveloperMobile App Developer
CredentialsTypically self-taught or with relevant certifications; no formal degree requiredOften holds a degree in computer science or related field; certifications are common
Work EnvironmentIndependent, remote, project-basedEmployed by companies or agencies, may work on-site or remotely
Employer & Industry UsageWorks with multiple clients across industriesWorks for a specific company or as part of a team
Search & Comparison IntentLooking for freelance opportunities or project-based workSeeking full-time or in-house mobile app development roles

In summary, a Freelance App Developer operates independently, often on a project basis for various clients, while a Mobile App Developer is typically employed by a company, working on mobile applications as part of a team. Both roles require similar technical skills, but their work environments and employment structures differ.

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

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

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

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The top searched job categories for Freelance App Developer jobs in Washington, DC are:

Freelance App Developer jobs near you
Infographic showing various Freelance App Developer job openings in Washington, DC as of August 2026, with employment types broken down into 44% Full Time, 48% Part Time, and 8% Contract. Highlights an 97% Physical, 1% Hybrid, and 2% Remote job distribution, with an average salary of $124,008 per year, or $59.6 per hour.

Staff iOS Engineer

Quidient

Columbia, MD • On-site

$165K - $200K/yr

Full-time

Medical, Life, Retirement, PTO

Re-posted 21 hours ago

Job description

Quidient is a deep tech AI company pioneering advancements in Generalized (5D) Scene Reconstruction (GSR). GSR is poised to become one of the world's great digital product categories (think GPS, MRI, and LMM). Our flagship GSR product, Quidient Reality®, is a powerful API that enables anyone with a mobile device to virtualize, visualize, and measure anything. Words relevant to Quidient include Generative AI, Physics-Informed AI, Large Scene Models (LSMs), Large World Models (LWMs), and API-First.
Overview
We're seeking an iOS Engineer with deep expertise in mobile 3D applications and spatial computing. You will own end-to-end delivery of major iOS features, driving our product from development to production-ready solutions. This role demands mastery of iOS development, the ability to cut through ambiguity, and ownership of complex systems in a fast-moving environment.
This is a hybrid position, meaning that you will need to live within easy driving distance to our Technology Center in Columbia, Maryland.
What You'll Do
Feature Development & Architecture
  • Own end-to-end delivery of major iOS features, taking Quidient's 5D product and SDK from prototype to production with a focus on reliability and performance.
  • Architect and design new capabilities within existing iOS codebases, establishing patterns that scale as our product line grows.
  • Drive technical decisions on how Quidient builds SDKs and apps from internal frameworks, developing long term sustainable solutions that mature over time.
  • Build and optimize 5D mobile applications leveraging ARKit, RealityKit, Metal, and GPU acceleration for high-performance, low-latency experiences.
  • Collaborate cross functionally with SDET, Algorithm, and Infrastructure teams to harden features for production and integrate CI/CD pipelines.
  • Design and implement RESTful APIs and integrate with server side technologies to support mobile backend communication.
  • Assemble complex solutions from loosely defined requirements, navigating ambiguity.
  • Mentor and influence technical direction across the iOS team as the product scales.
What You Bring
Must-Have Qualifications:
  • Bachelor's degree or higher in Computer Science or related engineering field.
  • 7+ years of industry experience in iOS development; freelance acceptable but must include experience with large, complex codebases (not simple sandbox or siloed apps).
  • 3+ years of experience building 3D applications or working with spatial computing technologies.
  • Deep expertise in iPhone app development using Swift, with recent hands-on iOS.
  • Heavy iOS framework experience including ARKit, AVFoundation, Core Location, Core Motion, VisionKit, RealityKit, ImageIO, and CoreML.
  • Experience developing web based applications using modern front end technologies and server-side technologies.
  • Strong experience in RESTful API design and development.
  • Experience in coding languages such as C++ and Python.
  • Demonstrated ability to assemble complex solutions from loosely defined requirements without clear PRDs or design documentation.
  • Ownership mindset with ability to drive initiatives on a small team with minimal oversight.
  • Live within easy commuting distance of our Technology Center in Columbia, Maryland.
  • This position is not eligible for H-1B sponsorship.
  • Meet Quidient, customer, and government security requirements, which may include, but are not limited to a background check, citizenship verification, and Criminal Justice Information Services verification.
Nice-to-Have Qualifications:
  • Experience deploying high-performance, low-latency applications.
  • Experience creating computer vision or image processing applications.
  • Metal and GPU programming experience.
  • Knowledge of Android app development (Kotlin) or cross-platform frameworks (Flutter).
  • Knowledge of cloud products and platforms, microservice architectures, automation, and API integration.
What We Offer
Compensation:
  • Salary Range: $165,000 - $200,000.
  • Annual bonus and equity as appropriate.
Benefits:
  • Health insurance
  • HSA Account
  • 401(k) with company match
  • Life & disability insurance
  • Paid holidays & generous PTO
  • Opportunities for bonuses, equity, and career growth
Equal Opportunity Employer Statement
Quidient is an Equal Opportunity Employer. Quidient will consider all qualified applicants without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other classification protected by applicable state, federal, or local laws.

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