ZipRecruiter

Log In

1

Sr Core Java Developer Jobs in New York, NY (NOW HIRING)

Snowrelic Inc

Sr. Core Java Developer

New York, NY · On-site

$62.75 - $79.75/hr

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 ...

Marencor

Core Java Developer

New York, NY · On-site

NYC, NY Candidate Details 7+ to 10 years experience Seniority Level - Mid-Senior Management Experience Required - No Minimum Education - Bachelor's Degree Ideal Candidate Core Java Developer with ...

Integrated Resources INC

Sr Java Developer

New York, NY · On-site

$62.75 - $79.75/hr

Senior Java Developer Location - NYC,NY Duration: 6 Months Only EAD, GC and Citizens with W2 can apply Senior Core Java developer with a working knowledge of Linux, real-time systems 3+ years ...

Serigor Inc.

Core Java Developer

New York, NY · On-site

Core Java Developer Location: New York City, NY Duration: Fulltime The Client is seeking a technically oriented individual to join the Securities Finance technology team. Primary focus on this role ...

Info-Ways

Core Java Developer

New York, NY

Core Java Developer Location: NYC, NY Duration: Fulltime BGV will be done for the selected candidates. Must Have Skills: 8+ years hands-on Java Development in Web Sphere environment 3+ year work ...

next page

Showing results 1-20

All JobsSr Core Java Developer JobsSr Core Java Developer Jobs in New York, NY

Sr Core Java Developer information

See New York, NY salary details

$12

$68

$94

How much do sr core java developer jobs pay per hour?

As of Aug 25, 2026, the average hourly pay for sr core java developer in New York, NY is $68.74, according to ZipRecruiter salary data. Most workers in this role earn between $60.24 and $76.78 per hour, depending on experience, location, and employer.

What is a Sr Core Java Developer?

A Sr Core Java Developer is an experienced software engineer who specializes in designing, developing, and maintaining applications using the core features of the Java programming language. Their responsibilities typically include writing efficient code, optimizing application performance, mentoring junior developers, and ensuring that software solutions adhere to best practices and industry standards. These professionals often work on backend systems, APIs, and large-scale enterprise applications. They are expected to have deep knowledge of Java fundamentals, object-oriented programming, multithreading, and related frameworks and tools.

What are the key skills and qualifications needed to thrive as a Sr Core Java Developer?

To thrive as a Sr Core Java Developer, you need deep expertise in Java programming, object-oriented design, and a solid grasp of algorithms, data structures, and software development methodologies, typically supported by a degree in computer science or related field. Familiarity with frameworks like Spring, build tools such as Maven or Gradle, version control systems like Git, and experience with CI/CD pipelines and unit testing frameworks are commonly required. Strong problem-solving abilities, effective communication, and teamwork skills help you collaborate on complex projects and mentor junior developers. These skills ensure robust, scalable software solutions and efficient development processes in a dynamic technology environment.

What are some common challenges Sr Core Java Developers face when working on large-scale enterprise applications?

Sr Core Java Developers often encounter challenges such as maintaining code quality in complex systems, optimizing application performance, and ensuring scalability as user demands grow. They also need to navigate legacy codebases, integrate with various third-party APIs, and coordinate with cross-functional teams like DevOps, QA, and business analysts. Effective communication and strong problem-solving skills are essential to address these challenges and deliver robust, maintainable solutions.
Sr Core Java Developer jobs near you

Core Java Developer with Firco

Accord Technologies Inc.

New York, NY • On-site

Contractor

Re-posted 28 days ago

Job description

JR1033108
Core Java Developer with Firco 
New York City, NY (Need Onsite day 1, hybrid 3 days from office).
Duration: 12 months
Position type: W2 contract


Mandatory skills: Java, rest API, Firco (Sanction Tool)., Microservices architecture,Azure Cloud,SQL database, Docker, kumbernates

We are seeking a highly skilled Senior Core Java Developer with extensive experience in RestAPI development, Microservices architecture, and Azure Cloud. The ideal candidate will possess strong SQL database expertise and have hands-on experience with Firco (Sanction Tool).

Responsibilities:
  • Design, develop, and maintain scalable and robust core Java applications.
  • Build and optimize RestAPI services for seamless integration and communication across microservices.
  • Architect and implement microservices using industry best practices.
  • Deploy and manage applications in Azure cloud environment, ensuring high availability and performance.
  • Develop and optimize complex SQL queries and design database schemas.
  • Integrate and work with Firco (Sanction Tool) for compliance screening and sanctions validation.
  • Collaborate with cross-functional teams to analyze requirements and deliver high-quality solutions.
  • Conduct code reviews, provide technical guidance, and ensure adherence to standards.
  • Troubleshoot, debug, and resolve production issues efficiently.
Requirements:
  • Overall 10+ years of IT experience is required
  • Strong proficiency in Core Java (Java 8+).
  • Hands-on experience developing and consuming RestAPIs.
  • Extensive knowledge of Microservices architecture and design patterns.
  • Experience deploying, managing, and scaling applications on Azure Cloud Services.
  • Strong SQL database skills (e.g., Oracle, SQL Server, PostgreSQL) including writing complex queries, stored procedures.
  • Proven experience working with Firco (Sanction Tool) or similar sanctions screening tools.
  • Familiarity with CI/CD pipelines, containerization (Docker, Kubernetes is a plus).
  • Good understanding of version control systems like Git.
 
Preferred, but not required:
  • Experience with other cloud platforms (AWS, GCP) is a plus.
  • Knowledge of frontend technologies such as Angular or React (optional).
  • Certification in Java, Azure, or Microservices is advantageous.