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Junior App Developer Jobs in Massachusetts (NOW HIRING)

WHOOP

iOS Engineer II (AI Experiences)

Boston, MA · On-site

$56.25 - $77.50/hr

... the app built, managing build variants, signing, sending and testing through Firebase, and ... junior developers on the team Qualifications : Required : • Product minded engineer with empathy ...

Tuesday Health

Software Developer

Boston, MA · Remote

Software Developer (Junior-Mid) Location: Remote Who We Are: Tuesday Health is a value-based ... Contribute to our MAUI mobile app, including shared component libraries * Work with EF Core and SQL ...

NxT Level

Senior Data Engineer

Boston, MA

$115K - $156K/yr

Serve as a senior engineering lead across strategic platform domains, partnering with app ... Mentor junior engineers and raise the bar on design rigor, implementation quality, and operational ...

NxT Level

Senior Data Engineer

Boston, MA · On-site

$115K - $156K/yr

Serve as a senior engineering lead across strategic platform domains, partnering with app ... Mentor junior engineers and raise the bar on design rigor, implementation quality, and operational ...

NxT Level

Senior Data Engineer

Boston, MA · On-site

$115K - $156K/yr

Serve as a senior engineering lead across strategic platform domains, partnering with app ... Mentor junior engineers and raise the bar on design rigor, implementation quality, and operational ...

Whoop

iOS Engineer II (AI Experiences)

Boston, MA · On-site

$125K - $175K/yr

Participate in the release process including getting the app built, managing build variants ... Help mentor and elevate junior developers on the team QUALIFICATIONS: * Product minded engineer ...

Whoop

iOS Engineer II (AI Experiences)

Boston, MA · On-site

$125K - $175K/yr

Participate in the release process including getting the app built, managing build variants ... Help mentor and elevate junior developers on the team QUALIFICATIONS: * Product minded engineer ...

Compunnel

Java Software Engineer

Boston, MA · On-site

$56.25 - $77.25/hr

... junior software engineers. Required Qualifications • Bachelor's degree in Computer Science ... Factor App principles. • Experience writing unit and integration tests using JUnit and Spring ...

The TJX Companies, Inc.

Staff Engineer

Framingham, MA · On-site

... more junior engineers across the technical domains/enterprise. Preferred : • Experience with cloud platforms (Azure preferred), including App Services, Functions, Key Vault, APIM, and ...

Motional

Senior Engineer

Boston, MA · On-site +1

$113K - $155K/yr

Provide guidance to junior researchers on research projects and design document reviews. * May work ... app containerization, and continuous integration, core AWS services (S3, RDS, Athena, Redshift or ...

PetsApp

Senior Full Stack Engineer

Boston, MA · On-site

$170 - $180/hr

Demonstrated ability to lead technical projects and mentor junior engineers * Experience with ... Experience working with frontend team/React App CICD/testing framework a plus * Familiarity with ...

Prenuvo

Senior QA Engineer

Boston, MA · Remote

Mentor junior QA engineers and help instill best practices across the team. * Be an active voice in ... Familiarity with mobile app testing tools such as Xcode, Android Studio, Appium, Detox, or ...

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All JobsApp Developer JobsJunior App Developer JobsJunior App Developer Jobs in Massachusetts

Junior App Developer information

See Massachusetts salary details

$26.2K

$97.2K

$150.2K

How much do junior app developer jobs pay per year?

As of Aug 16, 2026, the average yearly pay for junior app developer in Massachusetts is $97,172.00, according to ZipRecruiter salary data. Most workers in this role earn between $73,200.00 and $95,000.00 per year, depending on experience, location, and employer.

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 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 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 Massachusetts?

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

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

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

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

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

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

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

Junior App Developer jobs near you
Infographic showing various Junior App Developer job openings in Massachusetts as of June 2026, with employment types broken down into 100% Full Time. Highlights an 60% In-person, and 40% Hybrid job distribution, with an average salary of $97,172 per year, or $46.7 per hour.

iOS Engineer II (AI Experiences)

WHOOP

Boston, MA • On-site

$56.25 - $77.50/hr

Full-time

Re-posted 4 days ago

Job description

Job Summary:
WHOOP is on a mission to unlock human performance and healthspan through their wearable devices. As an iOS Engineer II on AI Experiences, you will build and maintain features that connect members to data science algorithms, helping them improve their health through personalized insights.
Responsibilities:
• Work in a cross functional team that collaborates closely with the data science, product, and software engineering teams at WHOOP
• Utilize knowledge of Swift to develop and maintain product features and communicate with a RESTful backend
• Document new features and architecture
• Contribute to new feature ideation, planning, and development
• Analyze and monitor user metrics and feedback to determine crash rate or potential bugs and to improve engagement
• Participate in the release process including getting the app built, managing build variants, signing, sending and testing through Firebase, and submitting to the App store
• Self organize using productivity tools such as Jira, Confluence, and Github
• Stay up to date with the latest Apple frameworks and best practices
• Lead and contribute to new feature ideation, planning, and development
• Help mentor and elevate junior developers on the team
Qualifications:
Required:
• Product minded engineer with empathy for the member experience
• Experience in building, testing, debugging, and delivering native iOS apps in a professional environment.
• Experience with Swift and iOS frameworks such as SwiftUI, UIKit, AutoLayout, Interface Builder, XCTest
• Familiarity with MVVM/Viper architecture
• Strong knowledge of iOS memory management and concurrency (Swift Concurrency & GCD)
• Experience developing libraries/frameworks and tooling that are used by other developers.
• Excellent knowledge of Xcode, Fastlane, Swift Package Manager, CocoaPods, and debug tooling.
• Experience communicating with a RESTful backend.
• Willingness to learn and grow rapidly across iOS and external systems.
• Experience mentoring more junior engineers
Company:
WHOOP provides wearable fitness technology and a subscription platform that tracks physiological data for health and performance insights. Founded in 2012, the company is headquartered in Boston, USA, with a team of 501-1000 employees. The company is currently Late Stage.
Whoop logo

About Whoop

Sourced by ZipRecruiter

At WHOOP, we're on a mission to unlock human performance. WHOOP empowers users (Olympians, Professional Athletes, Fitness Enthusiasts, etc) to perform at a higher level through a deeper understanding of their bodies and daily lives.

Industry

Fitness and sports centers

Company size

501 - 1,000 Employees

Headquarters location

Boston, MA, US

Year founded

2012

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