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Entry Level Java Back End Developer Jobs in New York

YO AI Labs

Backend Developer - Remote

New York, NY · 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 ...

PeopleSERVE, Inc.

Back End Engineer

Manhattan, NY · On-site

The Back End Engineer will design, develop, and deploy scalable backend services while ... Java • Collaborate closely with other specialists and become a valued member of an autonomous ...

Codinix Consulting Services

Java Developer

Manhattan, NY · On-site

$100 - $125/hr

We are seeking a skilled and motivated Java Developer to join our team in New York City ... The ideal candidate will have strong backend development experience, a solid foundation in cloud ...

Frontier Technologies LLC

Java Developer

Middletown, NJ · On-site

$52 - $67.25/hr

Middletown, NJ Duration : 2-3 years + extensions Must-have 5-8 years of experience with Back-End Java Development Extensive Java programming experience Experience with Maven projects Basic knowledge ...

Frontier Technologies LLC

Java Developer

Middletown, NJ · On-site

$52 - $67.25/hr

Middletown, NJ Duration : 2-3 years + extensions Must-have 5-8 years of experience with Back-End Java Development Extensive Java programming experience Experience with Maven projects Basic knowledge ...

Precision Technologies Corp

Senior Java Developer

New York, NY · On-site

$62.75 - $79.75/hr

We are looking for a Senior Java Developer who will design, develop, and maintain Java-based systems for equities trading, focusing on backend development, potentially including front-end components ...

Apex Informatics

Java Developer

Manhattan, NY · On-site

$56.25 - $72.75/hr

This team is focused on rebuilding web application to be compatible with JPMC tech. Looking for Full Stack Developer, about 70% backend, 30% front end. Must haves: Java Spring Boot React, Typescript ...

Siri InfoSolutions Inc

Java Developer

Manhattan, NY · On-site

$56.25 - $72.75/hr

Looking for a strong java developer, the role is all back end. * Focused on someone who comes from financial services (ideally an Equities/Front Office team) * Looking for Java 8+ (they use versions ...

Launchpad Recruitment

Senior Backend Engineer

New York, NY · On-site

$175K - $225K/yr

... Java → Go → AWS → Redis → Temporal Candidate Profile → 2+ years of software engineering experience → Strong backend engineering experience using Python, Java, or Go → Experience ...

Software Guidance & Assistance

Java Developer

Tarrytown, NY · On-site

$54 - $70/hr

Software Guidance & Assistance, Inc., (SGA), is searching for a Java Developer for a CONTRACT/RIGHT ... Design, implement and enhance the back-end services and front-end web using technologies including ...

Wealthfront

Backend Engineer

New York, NY · On-site

$150K - $189K/yr

About Wealthfront Engineering Wealthfront's culture centers around continuous learning, innovation ... You have 2-6 years of experience in developing backend components, services or APIs in Java or a ...

Wealthfront

Backend Engineer

New York, NY · On-site

$150K - $189K/yr

About Wealthfront Engineering Wealthfront's culture centers around continuous learning, innovation ... You have 2-6 years of experience in developing backend components, services or APIs in Java or a ...

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Entry Level Java Back End Developer information

What does an entry level Java back end developer do?

An Entry Level Java Back End Developer is responsible for building and maintaining the server-side logic of web applications using Java. They work on tasks such as writing code, developing APIs, integrating databases, and ensuring the application runs smoothly behind the scenes. These developers collaborate with front-end teams to deliver complete solutions and often troubleshoot, debug, and optimize existing code. This role is ideal for those starting their career in software development and looking to gain experience in Java technologies and back-end systems.

What are the key skills and qualifications needed to thrive as an entry level Java back end developer, and why are they important?

To thrive as an Entry Level Java Back End Developer, you need a solid understanding of Java programming, object-oriented principles, and a degree in computer science or a related field. Familiarity with frameworks like Spring Boot, version control systems such as Git, and databases like MySQL or PostgreSQL is typically required. Strong problem-solving abilities, attention to detail, and effective communication skills help you collaborate and deliver quality code. These skills are essential for building robust server-side applications and working efficiently within development teams.

What are some common challenges faced by entry level Java back end developers during their first year on the job?

Entry-level Java back end developers often encounter challenges such as understanding large, existing codebases and adapting to the team's coding standards. Balancing the learning curve of new frameworks, tools, and version control systems while delivering features on time can be demanding. Collaboration with front end developers, QA engineers, and project managers also requires effective communication and openness to feedback. Over time, these challenges help build valuable technical and teamwork skills that support career growth.

What is the difference between Entry Level Java Back End Developer vs Entry Level Java Software Engineer?

AspectEntry Level Java Back End DeveloperEntry Level Java Software Engineer
Required SkillsJava, SQL, REST APIs, basic understanding of server-side developmentJava, object-oriented programming, software design, debugging
Work EnvironmentFocus on server-side coding, database integration, API developmentBroader software development tasks, including front-end and back-end
Industry UsagePrimarily in web applications, enterprise systems, backend servicesIn various software projects, including applications and systems

While both roles involve Java programming, an Entry Level Java Back End Developer specializes in server-side development and API integration, whereas an Entry Level Java Software Engineer may work across different parts of the software stack. The roles often overlap, but the Back End Developer focuses more on backend systems and database interactions.

What are popular job titles related to Entry Level Java Back End Developer jobs in New York?

For Entry Level Java Back End Developer jobs in New York, the most frequently searched job titles are:

What job categories do people searching Entry Level Java Back End Developer jobs in New York look for?

The top searched job categories for Entry Level Java Back End Developer jobs in New York are:

Entry Level Java Back End Developer jobs near you
Infographic showing various Entry Level Java Back End Developer job openings in New York as of August 2026, with employment types broken down into 1% As Needed, 76% Full Time, 18% Part Time, 1% Temporary, and 4% Contract. Highlights an 89% Physical, 4% Hybrid, and 7% Remote job distribution.

Backend Developer - Remote

New York, NY • Remote

YO AI Labs
See more jobs at YO AI Labsexternal

$80 - $120/hr

Full-time

Posted 14 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.