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Junior Backend Developer Jobs in Boston, MA (NOW HIRING)

Whoop

iOS Engineer II (AI Experiences)

Boston, MA · On-site

$125K - $175K/yr

Experience communicating with a RESTful backend. * Willingness to learn and grow rapidly across iOS and external systems. * Experience mentoring more junior engineers Learn more about our Software ...

eClinical Solutions

Senior UI Software Engineer

Mansfield, MA · On-site +1

$137K - $171K/yr

Partner with backend engineering teams to integrate APIs and distributed services into seamless UI ... Mentor junior engineers and contribute to a collaborative engineering culture Create and maintain ...

Later

Senior Engineer (Platform)

Boston, MA · On-site +1

$113K - $155K/yr

... backend issues across the stack. * Contribute to engineering culture by modeling ownership, accountability, and a growth mindset. Leadership * Mentor and develop junior engineers through coaching ...

Socket.dev

Senior Software Engineer

Cambridge, MA · On-site

$110 - $120/hr

The Retention team powers the backend systems behind our Trips product and builds features that ... Coach and mentor junior and mid-level engineers through code reviews, design discussions, and ...

New

Amazon

Front-End Engineer, Amazon Robotics

Reading, MA · On-site

You will collaborate with product, design, and backend teams to deliver intuitive user experiences ... Mentor junior engineers and support their technical growth Continuously improve development ...

Xometry

Senior Software Engineer

Waltham, MA · Hybrid

$132K - $174K/yr

Infrastructure & DevOps - Configure, optimize, and troubleshoot CI/CD pipelines and infrastructure ... Strong technical expertise in full-stack development, including: - Backend development with Python ...

Later

Senior Engineer (Product)

Boston, MA · On-site

You'll solve complex problems, collaborate across teams, and mentor junior engineers while ... Ensure scalable and maintainable solutions across both frontend and backend systems. * Act as the ...

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All JobsBackend Developer JobsJunior Backend Developer JobsJunior Backend Developer Jobs in Boston, MA

Junior Backend Developer information

See Boston, MA salary details

$26.1K

$96.8K

$149.6K

How much do junior backend developer jobs pay per year?

As of Aug 10, 2026, the average yearly pay for junior backend developer in Boston, MA is $96,786.00, according to ZipRecruiter salary data. Most workers in this role earn between $72,900.00 and $94,600.00 per year, depending on experience, location, and employer.

How much do junior backend developers make?

Junior backend developers in the US typically earn between $50,000 and $80,000 annually, depending on location, experience, and skills such as knowledge of programming languages like Python or Java. Entry-level salaries may be lower in some regions, while those with additional certifications or experience can earn more.

What are the main responsibilities of a junior backend developer?

As a Junior Backend Developer, you'll typically be involved in writing and maintaining server-side logic, integrating with databases, and supporting the development of APIs that connect various parts of an application. You may work closely with front-end developers, QA testers, and project managers to implement new features and resolve technical issues. Your daily responsibilities could also include debugging code, participating in code reviews, and updating documentation. This entry-level role offers an excellent opportunity to build foundational development skills while collaborating within a larger software engineering team.

What is a junior backend developer?

A Junior Backend Developer is an entry-level software engineer who focuses on server-side development, databases, and API integrations. They typically work with languages like Python, Java, or Node.js and collaborate with frontend developers to ensure seamless application functionality. Their responsibilities include writing and maintaining code, debugging issues, and optimizing performance. Junior Backend Developers often follow the guidance of senior developers and gradually take on more complex tasks as they gain experience.

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

To thrive as a Junior Backend Developer, you need a solid understanding of programming languages like Python, Java, or Node.js, alongside knowledge of databases and basic software development principles. Familiarity with tools such as version control systems (e.g., Git), RESTful APIs, and frameworks like Django or Express is highly valued, and online certifications in these technologies can be beneficial. Strong problem-solving, effective communication, and a willingness to learn make candidates stand out in a collaborative development environment. These skills and qualities are crucial for building reliable backend systems, debugging issues, and contributing effectively to team projects.

Is a junior backend developer entry-level?

Yes, a junior backend developer position is typically considered entry-level, suitable for candidates with limited professional experience or recent graduates. It often involves learning foundational skills in server-side programming, databases, and frameworks, with opportunities for skill development and growth.
What are the most commonly searched types of Backend Developer jobs in Boston, MA? The most popular types of Backend Developer jobs in Boston, MA are:
What are popular job titles related to Junior Backend Developer jobs in Boston, MA? For Junior Backend Developer jobs in Boston, MA, the most frequently searched job titles are:
What job categories do people searching Junior Backend Developer jobs in Boston, MA look for? The top searched job categories for Junior Backend Developer jobs in Boston, MA are:
What cities near Boston, MA are hiring for Junior Backend Developer jobs? Cities near Boston, MA with the most Junior Backend Developer job openings:
Junior Backend Developer jobs near you
Infographic showing various Junior Backend Developer job openings in Boston, MA as of August 2026, with employment types broken down into 79% Full Time, 3% Part Time, and 18% Contract. Highlights an 81% Physical, 4% Hybrid, and 15% Remote job distribution, with an average salary of $96,786 per year, or $46.5 per hour.

iOS Engineer II (AI Experiences)

Whoop

Boston, MA • On-site

$125K - $175K/yr

Full-time

Re-posted 28 days ago

Job description

At WHOOP, we're on a mission to unlock human performance and healthspan. WHOOP empowers users to perform at a higher level through a deeper understanding of their bodies and daily lives. Our wearable device tracks key physiological metrics such as heart rate variability, resting heart rate, and sleep quality to provide personalized insights into users' fitness, health, and recovery.
As an iOS Engineer II on AI Experiences, you will help build and maintain exciting features that drive real health outcomes and connect members to our powerful data science algorithms through beautiful visualizations. You will help our members connect with and improve their health by building on our WHOOP Coach generative AI.
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:
  • 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

Learn more about our Software Org and how to be successful in your engineering career at WHOOP via our Career Framework.
This role is based in the WHOOP office located in Boston, MA. The successful candidate must be prepared to relocate if necessary to work out of the Boston, MA office.
Interested in the role, but don't meet every qualification? We encourage you to still apply! At WHOOP, we believe there is much more to a candidate than what is written on paper, and we value character as much as experience. As we continue to build a diverse and inclusive environment, we encourage anyone who is interested in this role to apply.
WHOOP is an Equal Opportunity Employer and participates in E-verify to determine employment eligibility. It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.
The WHOOP compensation philosophy is designed to attract, motivate, and retain exceptional talent by offering competitive base salaries, meaningful equity, and consistent pay practices that reflect our mission and core values.
At WHOOP, we view total compensation as the combination of base salary, equity, and benefits, with equity serving as a key differentiator that aligns our employees with the long-term success of the company and allows every member of our corporate team to own part of WHOOP and share in the company's long-term growth and success.
The U.S. base salary range for this full-time position is $125,000-$175,000. Salary ranges are determined by role, level, and location. Within each range, individual pay is based on factors such as job-related skills, experience, performance, and relevant education or training.
In addition to the base salary, the successful candidate will also receive benefits and a generous equity package.
These ranges may be modified in the future to reflect evolving market conditions and organizational needs. While most offers will typically fall toward the starting point of the range, total compensation will depend on the candidate's specific qualifications, expertise, and alignment with the role's requirements.
Learn more about WHOOP.
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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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