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Intern Java Backend Developer Jobs in Lowell, MA

YO AI Labs

Backend Developer - Remote

Boston, MA · Remote

$80 - $120/hr

Senior Software Engineer Job Type: Contractor (~15 hours/week) Location: Remote Job Summary We are ... Strong proficiency in Python 3, Java, Rust, C++, or TypeScript . * Strong understanding of ...

Errgo

Junior Backend Engineer

Boston, MA · On-site

$80 - $100/hr

The engineer will gain experience with modern backend technologies while contributing to a ... Design and develop RESTful APIs and backend services using Python or Java * Write clean, well ...

YO AI Labs

Backend Developer - Remote

Boston, MA · Remote

$80 - $120/hr

Senior Software Engineer Job Type: Contractor (~15 hours/week) Location: Remote Job Summary We are ... Strong proficiency in Python 3, Java, Rust, C++, or TypeScript . * Strong understanding of ...

Jobsbridge

PHP Back-End Developer

Burlington, MA · On-site

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers/architects, we have them all. You have: Experience writing high-quality, high-performance, maintainable ...

Jobsbridge

PHP backend Developer

Burlington, MA · On-site

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers/architects, we have them all. Experience writing high-quality, high-performance, maintainable Java, and ...

Kanak Elite Services Inc

Java Developer

Boston, MA · On-site

$55.50 - $71.75/hr

Java Developer Location : Boston, MA (Hybrid) - Local MA candidates only Duration : Long term ... backend development, scripting, and automation. · Experience with Oracle databases (SQL, PL/SQL ...

Errgo

Contract Backend Engineer

Cambridge, MA · On-site

$80 - $100/hr

Contract Cambridge, MA (Hybrid) $60-80/hr About the role The Contract Backend Engineer will help ... Go, Rust, Python, Java * Deep knowledge of cloud platforms and infrastructure-as-code (Terraform)

krg technology inc

Full Stack Developer

Boston, MA · On-site

... java back-end applications, Angular JS and Ext JS web applications and corresponding database processes. He / She should be able to set standards and provide guidance to the other developers in team ...

Jobsbridge

Senior Back end developer

Boston, MA

$59.25 - $78.25/hr

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers/architects, we have them all. GC can apply Responsibilities: 5+ years of experience working as an Oracle ...

Overture Partners

Full Stack Java

Boston, MA · On-site

$60 - $65/hr

This is an excellent opportunity for a hands-on backend engineer with strong expertise in Java, Spring, and AWS who thrives in a collaborative, fast-paced environment. Candidates who demonstrate ...

Nametag

Senior Backend Engineer

Boston, MA · On-site

$120K - $190K/yr

Build internal tools and dashboards that improve operational visibility and developer workflows ... Strong experience with backend languages such as Node.js, Go, Python, Java, or similar.

Venus Consultancy

Sr Backend Engineer

Boston, MA · On-site

Senior Back-End Engineer Location: Cambridge, MA | In-Person About us We are a Seed Stage ... Python, JavaScript, TypeScript, Java, C++, Go APIs & RPCs: REST, gRPC, GraphQL Databases: SQL ...

Venus Consultancy

Sr Backend Engineer

Boston, MA · On-site

Senior Back-End Engineer Location: Cambridge, MA | In-Person About us We are a Seed Stage ... Python, JavaScript, TypeScript, Java, C++, Go APIs & RPCs: REST, gRPC, GraphQL Databases: SQL ...

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Intern Java Backend Developer information

See Lowell, MA salary details

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$54

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How much do intern java backend developer jobs pay per hour?

As of Sep 9, 2026, the average hourly pay for intern java backend developer in Lowell, MA is $54.18, according to ZipRecruiter salary data. Most workers in this role earn between $48.17 and $62.45 per hour, depending on experience, location, and employer.

What does an intern Java backend developer do?

An Intern Java Backend Developer assists in building and maintaining the server-side logic of web applications using Java. They typically work under the guidance of senior developers, writing code, fixing bugs, and learning about frameworks like Spring or Hibernate. Their responsibilities often include database interaction, API development, and ensuring applications are scalable and efficient. Interns gain practical experience with industry-standard tools and workflows, helping prepare them for a full-time backend development role.

What kinds of projects and tasks can I expect as an intern Java backend developer?

As an Intern Java Backend Developer, you’ll typically work on tasks such as writing and testing APIs, fixing bugs, and implementing core backend features under the guidance of senior developers. You may also participate in code reviews, collaborate with frontend and QA teams, and help with database management or performance optimization. These projects are designed to give you hands-on experience with Java frameworks, version control systems, and agile development practices, all while contributing to real-world applications.

What are the key skills and qualifications needed to thrive as an intern Java backend developer, and why are they important?

To thrive as an Intern Java Backend Developer, you need a solid understanding of Java programming, object-oriented principles, and basic knowledge of backend frameworks like Spring, often supported by coursework or relevant projects. Familiarity with databases (such as MySQL), version control systems like Git, and build tools (e.g., Maven or Gradle) is typically expected. Strong problem-solving abilities, eagerness to learn, and effective communication skills help you collaborate and adapt in team environments. These skills and qualities are crucial for contributing to real projects, growing your technical expertise, and supporting overall team success.

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Intern Java Backend Developer jobs near you
Infographic showing various Intern Java Backend Developer job openings in Lowell, MA as of September 2026, with employment types broken down into 15% Internship, 62% Full Time, 18% Part Time, 2% Temporary, 2% Contract, and 1% Summer. Highlights an 73% Physical, 3% Hybrid, and 24% Remote job distribution, with an average salary of $112,696 per year, or $54.2 per hour.

Backend Developer - Remote

Boston, MA • Remote

YO AI Labs
See more jobs at YO AI Labsexternal

$80 - $120/hr

Full-time

Posted 13 days ago

Job description

Senior Software Engineer

Job Type: Contractor (~15 hours/week)
Location: Remote

Job Summary

We are seeking experienced Senior Software Engineers to support an AI training project by creating reinforcement learning environments that evaluate AI models on complex software engineering tasks using Model Context Protocol (MCP) tools.

You will design reproducible environments, deterministic verification, and reference solutions for tasks such as bug fixing, feature implementation, codebase refactoring, and performance optimization. No prior AI experience is required.

Key Responsibilities
  • Create reinforcement learning environments for software engineering tasks.
  • Design tasks involving bug fixing, feature development, refactoring, and performance optimization.
  • Build deterministic verification systems and golden reference solutions.
  • Evaluate AI agents' ability to reason through complex codebases and use MCP tools effectively.
  • Develop realistic, reproducible software engineering scenarios.
  • Ensure tasks accurately measure coding ability, problem-solving, and tool usage.
  • Document solutions and provide clear technical feedback.
Required Skills
  • Strong proficiency in Python 3, Java, Rust, C++, or TypeScript.
  • Strong understanding of algorithms and data structures.
  • Experience with bug fixing and debugging complex software issues.
  • Proven experience in feature implementation and codebase refactoring.
  • Strong knowledge of performance optimization and tuning.
  • Excellent written and verbal communication.
  • Strong attention to detail.
Preferred Qualifications
  • Experience working with large-scale or distributed codebases.
  • Familiarity with AI/ML systems is a plus but not required.
  • Experience with rigorous code reviews and software engineering best practices.
  • Experience working effectively in remote or cross-functional teams.
Hiring Process
  1. Submit an application and screening questions.
  2. Complete an AI interview (~30 minutes).
  3. Complete a technical assessment, if required.
  4. Hiring Manager review.
Compensation

Compensation is output-based, with payment provided per task that meets project specifications. Minimum weekly submission requirements may apply.

Availability

Selected experts should be prepared to begin their first tasks within 24–48 hours of completing onboarding.