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Junior Backend Developer Jobs in Massachusetts (NOW HIRING)

Unifirst

Junior AI Engineer

Wilmington, MA · On-site

$65K - $90K/yr

We are looking for an early-career Junior AI Engineer to help build, test, monitor, optimize, and ... Reporting to the AI Engineer, you will contribute to backend services, autonomous agents, retrieval ...

New

WEX

Senior Backend Engineer - AI Platform

Boston, MA · On-site +1

$133K - $175K/yr

Conduct code reviews (comment, approve, seek revisions, merge), mentor junior and mid-level ... Proficiency in backend development, with expertise in Java or C#, frameworks like SpringBoot ...

eNett

Senior Backend Engineer - AI Platform

Boston, MA · On-site +1

$133K - $175K/yr

Conduct code reviews (comment, approve, seek revisions, merge), mentor junior and mid-level ... Proficiency in backend development, with expertise in Java or C#, frameworks like SpringBoot ...

Whoop

Senior Software Engineer (Backend, Growth)

Boston, MA · On-site

$150K - $215K/yr

Mentor junior engineers and contribute to the growth of engineering best practices across the team. QUALIFICATIONS * Professional experience developing large-scale backend systems in a production ...

New

Flipkey

Jr. PHP Developer

Boston, MA

FlipKey is hiring a Web Developer to support our growing engineering team and site. FlipKey is the ... This includes, but is not limited to, building web pages, carrying out complex backend software ...

Flipkey

Jr. PHP Developer

Boston, MA · On-site

FlipKey is hiring a Web Developer to support our growing engineering team and site. FlipKey is the ... This includes, but is not limited to, building web pages, carrying out complex backend software ...

Boston Globe Media Partners

.NET developer

Boston, MA · On-site

$115K - $140K/yr

You will work on a team of front-end and back-end developers to deliver a high quality ecommerce ... A desire to continuously learn new skills and to mentor junior team members. Bonus Points:

WHOOP

iOS Engineer II (AI Experiences)

Boston, MA · On-site

$56.25 - $77.50/hr

... 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 ...

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Junior Backend Developer information

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$26.2K

$97.2K

$150.2K

How much do junior backend developer jobs pay per year?

As of Aug 6, 2026, the average yearly pay for junior backend 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.

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 Massachusetts? The most popular types of Backend Developer jobs in Massachusetts are:
What are popular job titles related to Junior Backend Developer jobs in Massachusetts? For Junior Backend Developer jobs in Massachusetts, the most frequently searched job titles are:
What job categories do people searching Junior Backend Developer jobs in Massachusetts look for? The top searched job categories for Junior Backend Developer jobs in Massachusetts are:
What cities in Massachusetts are hiring for Junior Backend Developer jobs? Cities in Massachusetts with the most Junior Backend Developer job openings:
Junior Backend Developer jobs near you
Infographic showing various Junior Backend Developer job openings in Massachusetts 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 $97,172 per year, or $46.7 per hour.

Software Engineer II (Backend, Business Systems)

WHOOP

Boston, MA • On-site

Full-time

Re-posted 27 days ago

Job description

Job Summary:
WHOOP is on a mission to unlock human performance and healthspan. They are hiring a Software Engineer II to join the Business Systems team, responsible for designing and implementing backend systems that enhance internal operations and support various business functions.
Responsibilities:
• Design, implement, and maintain scalable backend services and APIs that power business-critical systems and integrations.
• Contribute in design and implementation of scalable data pipelines, automation, and workflows that improve operational efficiency.
• Collaborate with product managers, data engineers, and internal business teams to gather requirements and build effective technical solutions.
• Contribute to the team’s codebase with high-quality, testable, and well-documented code.
• Identify system bottlenecks and improve the performance, reliability, and maintainability of backend systems.
• Contribute to long-term technical strategy for Business Systems and identify opportunities for automation and process improvement.
• Participate in code reviews and mentor junior engineers to foster a culture of engineering excellence.
Qualifications:
Required:
• BS in Computer Science, Engineering, or equivalent experience.
• 2+ years of experience in backend software development with a strong foundation in computer science principles
• Strong proficiency in at least one modern backend programming language (e.g., Java, Python, Go, or similar).
• Experience building and maintaining APIs, integrations, and distributed systems.
• Comfortable working with relational databases, data modeling, and query optimization.
• Experience with cloud-based infrastructure (e.g., AWS, GCP, or Azure) and distributed systems.
• Excellent communication skills and ability to work cross-functionally with technical and non-technical teams
• Strong sense of ownership and ability to deliver quality solutions in a fast-paced environment
• A growth mindset and eagerness to learn from feedback and new challenges.
• Strong commitment to embracing and leveraging AI tools in day-to-day tasks, ensuring AI-assisted work aligns with the same high-quality standards as personal contributions.
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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