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Java Backend Developer Jobs in Massachusetts (NOW HIRING)

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

$83 - $110/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 · On-site

$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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Java Backend Developer information

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How much do java backend developer jobs pay per hour?

As of Sep 7, 2026, the average hourly pay for java backend developer in Massachusetts is $59.66, according to ZipRecruiter salary data. Most workers in this role earn between $53.03 and $68.80 per hour, depending on experience, location, and employer.

What does a Java backend developer do?

A Java Backend Developer is responsible for building and maintaining the server-side logic, databases, and APIs of web applications using the Java programming language. They ensure that data is properly stored, retrieved, and processed while integrating with the frontend systems. Java Backend Developers also work on optimizing application performance, implementing security measures, and collaborating with other developers to deliver robust software solutions.

What are some common challenges Java backend developers face when working on large-scale enterprise applications?

Java Backend Developers working on large-scale enterprise applications often encounter challenges such as ensuring application scalability, managing complex codebases, and optimizing system performance under heavy loads. Collaborating across teams to integrate with front-end services and external APIs can require strong communication and problem-solving skills. Additionally, maintaining high code quality while delivering new features quickly often means balancing technical debt with innovation. Regular code reviews and adopting best practices in software architecture help address these challenges.

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

To thrive as a Java Backend Developer, you need strong proficiency in Java programming, knowledge of data structures and algorithms, and experience with backend frameworks such as Spring or Hibernate, often supported by a degree in computer science or a related field. Familiarity with relational databases (like MySQL or PostgreSQL), RESTful API development, version control systems (such as Git), and build tools (like Maven or Gradle) is typically required, and certifications like Oracle Certified Professional Java Programmer can be advantageous. Excellent problem-solving skills, attention to detail, and effective communication are crucial soft skills for collaborating with teams and troubleshooting complex systems. These capabilities ensure robust, scalable, and maintainable backend solutions that meet business requirements and support seamless application performance.

What are the most commonly searched types of Java Backend Developer jobs in Massachusetts?

The most popular types of Java Backend Developer jobs in Massachusetts are:

What are popular job titles related to Java Backend Developer jobs in Massachusetts?

For Java Backend Developer jobs in Massachusetts, the most frequently searched job titles are:

What job categories do people searching Java Backend Developer jobs in Massachusetts look for?

The top searched job categories for Java Backend Developer jobs in Massachusetts are:

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For Java Backend Developer jobs in MA, the most frequently searched job titles are:

Java Backend Developer jobs near you
Infographic showing various Java Backend Developer job openings in Massachusetts as of August 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $124,099 per year, or $59.7 per hour.

Backend Developer - Remote

YO AI Labs

Boston, MA • Remote

$80 - $120/hr

Full-time

Posted 12 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.