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Java Junior Jobs in Manhattan, NY (NOW HIRING)

Snowrelic Inc

Sr. Core Java Developer

New York, NY · On-site

$62.75 - $79.75/hr

Provide technical guidance and mentorship to junior team members. * Engage in continuous ... Extensive hands-on experience with Core Java, especially in multi-threaded and real-time system ...

Tokenworks Inc

Junior Software Developer

Bronxville, NY · On-site

$68K - $88K/yr

We're hiring a junior software developer -- someone early in their career who we intend to grow ... Real programming ability in at least one language -- JavaScript/TypeScript, C#, C, C++, Java, Rust ...

Compunnel

Senior Java Software Engineer

White Plains, NY · On-site

$129K - $170K/yr

... Mentor junior developers and promote software engineering best practices. • Collaborate with ... Java frameworks. • Experience using Java IDEs such as IntelliJ IDEA or Eclipse. • Strong ...

Damco Solutions

Java fullstack Snr Developer

Whippany, NJ · On-site

$53 - $68.50/hr

... junior developers, and enforce engineering standards. • Write extensive unit, integration, and functional tests (JUnit, Mockito, Jest). • Ensure code security, resiliency, and compliance with ...

AI AXISS INC

Senior Java Software Engineer

Whippany, NJ · On-site

$126K - $166K/yr

Mentor junior developers and provide technical guidance when required. Required Skills * 8-10 years of Java application development experience. * Strong hands-on experience with Java 8/11/17+

RIT Solutions, Inc.

Junior Data Engineer

Manhattan, NY · On-site

RIT Solutions, Inc. is seeking a Junior Data Engineer to join a top-tier investment bank. The role ... Preferred : • Collibra • Terraform • Java • Golang • Ruby • Machine Learning Operation ...

Citigroup, Inc.

AVP Senior Java Developer

Rutherford, NJ · On-site

$58.25 - $74.50/hr

Senior Java developer is responsible for participation in the establishment and implementation of ... Provide technical leadership and guidance to junior Dev engineers. * Mentor team members on best ...

Citi

AVP Senior Java Developer

Rutherford, NJ · On-site

$58.25 - $74.50/hr

Senior Java developer is responsible for participation in the establishment and implementation of ... Provide technical leadership and guidance to junior Dev engineers. Mentor team members on best ...

Citigroup Inc.

AVP Senior Java Developer

Rutherford, NJ · On-site

$121.20 - $181.80/hr

Senior Java developer is responsible for participation in the establishment and implementation of ... Provide technical leadership and guidance to junior development engineers. * Mentor team members on ...

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Java Junior information

See Manhattan, NY salary details

$67.3K

$117.9K

$177.7K

How much do java junior jobs pay per year?

As of Sep 6, 2026, the average yearly pay for java junior in Manhattan, NY is $117,894.00, according to ZipRecruiter salary data. Most workers in this role earn between $83,300.00 and $117,500.00 per year, depending on experience, location, and employer.

What is a Java Junior?

Java Junior developers are entry-level software engineers who specialize in programming using the Java language. They typically have a foundational understanding of Java syntax, object-oriented programming concepts, and basic software development practices. Java Juniors often assist with coding, debugging, and testing under the supervision of more experienced developers, while continuously learning and building their technical skills. Their responsibilities may also include maintaining existing applications and writing simple features as part of a development team.

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

To thrive as a Java Junior, you need a solid understanding of Java programming, object-oriented principles, and a relevant degree or coursework in computer science. Familiarity with development tools like Eclipse or IntelliJ IDEA, version control systems (such as Git), and basic knowledge of databases are typically expected. Strong problem-solving abilities, eagerness to learn, and good communication skills help juniors excel in collaborative and fast-paced environments. These skills enable efficient coding, effective teamwork, and smooth adaptation to evolving project requirements.

What are some typical challenges a Java Junior might face when starting out, and how can they overcome them?

As a Java Junior, you may encounter challenges like understanding complex codebases, adapting to agile development practices, and debugging unfamiliar issues. It's common to feel overwhelmed at first, but asking questions, participating in code reviews, and pairing with more experienced developers can accelerate your learning. Regularly practicing coding, studying documentation, and using collaboration tools will also help you quickly become a productive member of the team.

What is the difference between Java Junior vs Java Developer?

AspectJava JuniorJava Developer
Required Experience0-2 years2+ years
CertificationsOptional, entry-level certificationsOptional, advanced certifications
Work EnvironmentTraining, mentorship-focusedProject-driven, independent
ResponsibilitiesLearning, basic coding tasksDesign, develop, maintain Java applications

Java Junior roles are entry-level positions focused on learning and supporting Java projects, often requiring minimal experience. Java Developers have more experience, handle complex tasks, and contribute to project design and implementation. The transition from Java Junior to Java Developer involves gaining skills, experience, and certifications over time.

What are the most commonly searched types of Java jobs in Manhattan, NY?

The most popular types of Java jobs in Manhattan, NY are:

What are popular job titles related to Java Junior jobs in Manhattan, NY?

For Java Junior jobs in Manhattan, NY, the most frequently searched job titles are:

What job categories do people searching Java Junior jobs in Manhattan, NY look for?

The top searched job categories for Java Junior jobs in Manhattan, NY are:

What cities near Manhattan, NY are hiring for Java Junior jobs?

Cities near Manhattan, NY with the most Java Junior job openings:

Java Junior jobs near you
Infographic showing various Java Junior job openings in Manhattan, NY as of June 2026, with employment types broken down into 93% Full Time, 3% Part Time, and 4% Contract. Highlights an 88% Physical, 5% Hybrid, and 7% Remote job distribution, with an average salary of $117,894 per year, or $56.7 per hour.

Sr. Core Java Developer

Snowrelic Inc

New York, NY • On-site

$62.75 - $79.75/hr

Contractor

Re-posted 9 days ago

Job description

We are seeking a highly experienced Senior Core Java Software Engineer with over 12 years of deep expertise in core Java development, particularly in multi-threaded, real-time systems. The ideal candidate will play a pivotal role in designing, implementing, and maintaining high-performance trading systems within the US Rates (Treasury) electronic trading domain. This role offers the opportunity to work on cutting-edge financial technology solutions, collaborate with global teams, and contribute to the development of robust, scalable, and automated trading platforms. 

Responsibilities: 

  • Lead the design and development of high-performance, multi-threaded, real-time trading applications using Core Java. 

  • Architect and implement solutions to support electronic trading workflows in US Rates (Treasury), including D2D (Dealer-to-Dealer) and D2C (Dealer-to-Client) channels. 

  • Develop and enhance automated testing frameworks to ensure system stability, performance, and reliability. 

  • Collaborate with cross-functional teams to understand business requirements and translate them into scalable technical solutions. 

  • Optimize existing systems for scalability, latency, and throughput. 

  • Provide technical guidance and mentorship to junior team members. 

  • Engage in continuous improvement of development processes and tools. 

Requirements: 

  • Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field. 

  • 12+ years of professional software development experience, with a significant focus on trading applications. 

  • Proven track record of delivering complex, low-latency systems in a financial services environment. 

  • Excellent problem-solving skills, along with strong communication and teamwork abilities. 

  • Knowledge of Agile methodologies and software development lifecycle. 

Preferred, but not required: 

  • Extensive hands-on experience with Core Java, especially in multi-threaded and real-time system development. 

  • Strong understanding of automated testing frameworks and methodologies. 

  • Familiarity with US Rates (Treasury) electronic trading market structure, with experience in D2D / D2C trading environments. 

  • Knowledge of RFQ (Request for Quote) workflow in US Rates trading, adding value to trading platform enhancements. 

  • Understanding of market making workflows within US Rates markets. 

  • Experience with the ION platform, including configuration and integration, is a plus. 

  • Hands-on experience with KDB databases or related time-series data management tools is a bonus. 

  • Familiarity with financial trading systems, market microstructure, and relevant protocols.