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Remote Java Backend Developer Jobs in Upper Darby, PA

YO AI Labs

GitHub Contributor - Remote

Philadelphia, PA · Remote

$55 - $160/hr

Python3, Java, Rust, Go, C++, or TypeScript. * Deep understanding of algorithms, data structures ... engineering principles. * Proven ability to debug complex systems, resolve bugs, and deliver ...

Bridge Tech

Salesforce CRM Developer - Remote

Norristown, PA · Remote

$53 - $70/hr

Ability to use popular command line and IDE developer tools (Eclipse, Developer Console, ANT build ... Heroku (Java), Mobile, PHP, LAMP, Java, J2EE, JSP, EJB, POJO, Tomcat, Struts, SQL, EC2, S3, DAM ...

Bridge Tech

Salesforce CRM Developer - Remote

Norristown, PA · On-site +1

$53 - $70/hr

Ability to use popular command line and IDE developer tools (Eclipse, Developer Console, ANT build ... Heroku (Java), Mobile, PHP, LAMP, Java, J2EE, JSP, EJB, POJO, Tomcat, Struts, SQL, EC2, S3, DAM ...

Vertexinc

Software Engineer III

King Of Prussia, PA · On-site +1

$57.25 - $77/hr

TITLE: Software Engineer III LOCATION: 2301 Renaissance Blvd, King of Prussia, PA 19406 DUTIES ... Java, Python or Go; * 4 years building API's and backend databases with SQL and NoSQL; * 3 years ...

YO AI Labs

AI Trainer - Remote

Philadelphia, PA · 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 ...

Mondo

Staff Software Engineer

Horsham, PA · Remote

$80 - $90/hr

Staff Software Engineer, location is REMOTE. The start date is ASAP for this contract to hire ... Strong experience with Java and/or Python development * Expertise building RESTful APIs using ...

YO AI Labs

AI Technical Trainer - Remote

Philadelphia, PA · 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 ...

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Remote Java Backend Developer information

See Upper Darby, PA salary details

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

As of Sep 5, 2026, the average hourly pay for remote java backend developer in Upper Darby, PA is $51.67, according to ZipRecruiter salary data. Most workers in this role earn between $45.91 and $59.57 per hour, depending on experience, location, and employer.

What is a remote Java backend developer?

A Remote Java Backend Developer designs, develops, and maintains server-side applications using Java while working from a remote location. They focus on building APIs, handling databases, and ensuring performance and security. This role often involves working with frameworks like Spring Boot and integrating various services. Remote developers collaborate with teams using communication tools and manage tasks through agile methodologies.

What does a remote Java backend developer do?

As a Remote Java Backend Developer, your daily responsibilities often include designing, developing, and maintaining server-side logic and APIs, writing efficient and testable code using Java and related frameworks, and collaborating with front-end developers or DevOps engineers to integrate user-facing elements. You’ll regularly participate in remote team meetings, contribute to code reviews, and troubleshoot or optimize application performance based on user requirements. Additionally, keeping thorough documentation and adhering to best security and scalability practices are part of your routine. These tasks ensure the backend systems remain robust, efficient, and seamlessly support business needs.

What skills and qualifications are needed to be a remote Java backend developer?

To thrive as a Remote Java Backend Developer, you need solid expertise in Java programming, object-oriented design, and backend frameworks such as Spring, often supported by a bachelor’s degree in computer science or a related field. Familiarity with databases (like MySQL or MongoDB), version control systems (such as Git), and experience with RESTful APIs are typically important, with professional certifications like Oracle Certified Professional Java Programmer being advantageous. Excellent problem-solving abilities, clear remote communication, and collaborative teamwork skills are vital soft skills for this remote role. These capabilities are crucial for delivering reliable backend solutions, meeting project deadlines, and maintaining effective team collaboration across distributed work environments.

Are remote Java backend developers in demand?

Remote Java backend developers are in high demand due to the widespread adoption of cloud computing, microservices, and scalable backend systems. Companies seek developers skilled in Java, Spring Boot, and related technologies to support digital transformation and remote work environments.

How much does a remote Java backend developer earn?

A remote Java backend developer's salary typically ranges from $70,000 to $130,000 annually, depending on experience, location, and skill level. Senior developers with expertise in frameworks like Spring and experience with cloud services may earn higher salaries, especially in competitive markets.

What job categories do people searching Remote Java Backend Developer jobs in Upper Darby, PA look for?

The top searched job categories for Remote Java Backend Developer jobs in Upper Darby, PA are:

What cities near Upper Darby, PA are hiring for Remote Java Backend Developer jobs?

Cities near Upper Darby, PA with the most Remote Java Backend Developer job openings:

Remote Java Backend Developer jobs near you
Infographic showing various Remote Java Backend Developer job openings in Upper Darby, PA as of August 2026, with employment types broken down into 83% Full Time, 5% Part Time, and 12% Contract. Highlights an 83% Physical, 5% Hybrid, and 12% Remote job distribution, with an average salary of $107,480 per year, or $51.7 per hour.

RL Environment Engineer - Remote

YO AI Labs

Philadelphia, PA • Remote

$80 - $120/hr

Full-time

Posted 9 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.