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Senior Java Developer Jobs in Old Greenwich, CT (NOW HIRING)

Interon IT Solutions

Java Developer

Manorhaven, NY · On-site

$52.25 - $67.50/hr

#W2 role only We are seeking a highly skilled Senior Java Developer to join our Securities Finance Technology team. This role will focus on designing and building a next generation automated locates ...

krg technology inc

Sr Java Developer

New York, NY

$62.75 - $79.75/hr

Must Have Skills: Java, J2EE, Spring, Hibernate, JavaScript, Html5, Angular JS, Node JS Desired Skills: Microservices, JSON, CSS5 Additional Information All your information will be kept confidential ...

IPsoft Inc.

Sr Java Developer

New York, NY

$62.75 - $79.75/hr

Comfortable developing Java on Linux Driven, self-starter, comfortable working autonomously and as a member of a team Excellent problem solving and interpersonal communication skills Spring Hibernate ...

Jobsbridge

Senior Java Developer

New York, NY

$62.75 - $79.75/hr

Core Java software development on large, commercially successful projects Development of services that provide RESTful interfaces MongoDB or other NoSQL databases, or any SQL database, such as ...

3Core Systems, Inc.

Java AWS Software Engineer

White Plains, NY · On-site

$53.50 - $73.50/hr

The Senior Java Developer will be a part of the transformational journey to deliver a best systems to support AutoNation's business lines, across all channels. The role of the Senior Developer is to ...

INSPYR Solutions

Lead Java Developer

Harrison, NY · On-site

$65 - $70/hr

The Senior Java Developer will be a part of the transformational journey to deliver a best systems to support AutoNation''s business lines, across all channels. The role of the Senior Developer is to ...

INSPYR Solutions

Lead Java Developer

White Plains, NY · On-site

$65 - $70/hr

The Senior Java Developer will be a part of the transformational journey to deliver a best systems to support AutoNation's business lines, across all channels. The role of the Senior Developer is to ...

GainAm

Sr Java Developer job

Hicksville, NY · On-site

$110K/yr

Required Skills Java (Spring, Spring Boot, Hibernate), JMS/ActiveMQ/RabbitMQ, AngularJS/Angular 6+, ... AWS Certified Developer preferred Preferred education: Typically a Bachelor's Degree or global ...

Bright Mind Solutions LLC

J2EE & DB Developer

New York, NY · On-site

$133 - $135/day

Hands on Senior Java Developer with over 5 years of enterprise development experience * Extensive experience with asynchronous, event-driven programming & concurrency * Strong track record of project ...

Primesoft consulting

Java Developer

New York, NY · On-site

$55.75 - $72.25/hr

Mid/Senior level Java/JavaScript Developer - 3 - 5 years' experience * Working with the Testing Team developing Testing Tools * Developing Testing Tools Experience is NOT Required No Third party ...

Primesoft consulting

Java Developer

New York, NY · On-site

$55.75 - $72.25/hr

Mid/Senior level Java/JavaScript Developer - 3 - 5 years' experience * Working with the Testing Team developing Testing Tools * Developing Testing Tools Experience is NOT Required No Third party ...

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Senior Java Developer information

See Old Greenwich, CT salary details

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How much do senior java developer jobs pay per hour?

As of Jul 14, 2026, the average hourly pay for senior java developer in Old Greenwich, CT is $66.58, according to ZipRecruiter salary data. Most workers in this role earn between $58.32 and $74.38 per hour, depending on experience, location, and employer.

What is the difference between Senior Java Developer vs Java Software Engineer?

AspectSenior Java DeveloperJava Software Engineer
Required CredentialsBachelor's in CS or related, Java certifications often preferredBachelor's in CS or related, Java certifications beneficial
Work EnvironmentTeam lead roles, project management, mentoringDevelopment-focused, coding, testing, and implementation
Employer & Industry UsageTech companies, finance, e-commerceSoftware firms, startups, enterprise IT
Common Search & ComparisonOften compared for experience level and responsibilitiesSimilar roles with slight variations in scope

The main difference between a Senior Java Developer and a Java Software Engineer lies in their responsibilities and experience. Senior Java Developers typically take on leadership, mentoring, and project management roles, while Java Software Engineers focus more on coding, development, and technical implementation. Both roles require strong Java skills and relevant credentials, but the Senior Java Developer usually has more experience and a broader scope of responsibilities.

What are some common challenges Senior Java Developers face when working on large-scale enterprise projects?

Senior Java Developers often encounter challenges such as maintaining code quality across large codebases, managing dependencies between modules, and ensuring optimal application performance. Collaborating with cross-functional teams—including QA, DevOps, and product management—requires clear communication and effective problem-solving. Additionally, staying updated with the latest Java frameworks and best practices is essential for delivering scalable and maintainable solutions in complex enterprise environments.

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

To thrive as a Senior Java Developer, you need advanced proficiency in Java programming, experience with software design patterns, and a strong grasp of backend development, often supported by a degree in computer science or related field. Familiarity with frameworks like Spring, build tools such as Maven or Gradle, and version control systems like Git, as well as knowledge of cloud platforms, is typically required. Excellent problem-solving, leadership, and communication skills help you guide teams and collaborate effectively. These competencies are crucial for delivering robust, scalable software solutions and driving technical success within development teams.

What are Senior Java Developers?

Senior Java Developers are experienced software engineers who specialize in using the Java programming language to design, develop, and maintain complex applications. They typically lead development teams, oversee project architecture, and ensure code quality through best practices. In addition to strong coding skills, they often mentor junior developers and collaborate with stakeholders to deliver robust software solutions. Their expertise is crucial in building scalable, high-performance applications across various industries.
What cities near Old Greenwich, CT are hiring for Senior Java Developer jobs? Cities near Old Greenwich, CT with the most Senior Java Developer job openings:
Senior Java Developer jobs near you

Java Developer

Interon IT Solutions

Manorhaven, NY • On-site

$52.25 - $67.50/hr

Contractor

Re-posted 3 days ago

Job description

#W2 role only

We are seeking a highly skilled Senior Java Developer to join our Securities Finance Technology team. This role will focus on designing and building a next generation automated locates platform, a critical component in supporting securities lending operations. The ideal candidate will have deep expertise in Java-based enterprise applications, distributed systems, and cloud-native technologies.

The Role

Responsibilities:

·Design and develop a scalable, high-performance automated locates platform for securities finance business.

·Build distributed systems and enterprise-grade applications leveraging Java, Spring frameworks, and container technologies.

·Integrate with messaging systems and caching solutions for real-time processing.

·Develop and optimize SQL-based data models and queries for high-volume transactional systems.

·Implement cloud-native solutions using AWS services.

·Collaborate with cross-functional teams to ensure seamless integration with existing securities finance workflows.

Requirements:

·Hands-on experience in Core Java, Spring frameworks, and container technologies (e.g., Docker, Kubernetes).

·Proven track record in building distributed systems and enterprise-grade applications using microservices architecture.

·Strong knowledge of SQL and relational database design (MS SQL, MySQL…etc.).

·Experience with Redis caching, and messaging systems such as Kafka, MQ, SQS, and SNS.

·Experience with Jira, Bitbucket, and Bamboo for agile development and CI/CD.

·Proficiency in leveraging GitHub Copilot or Claude for productivity gains and to improve code quality.

Preferred Qualifications

·Experience with Python development.

·Familiarity with Airflow, Snowflake, EKS, ECS & S3.

·Experience designing high throughput and low latency systems.

·Securities Finance business domain knowledge a plus.

Soft Skills & Competencies

·Analytical Thinking: Ability to break down complex problems and design efficient, scalable solutions.

·Collaboration: Strong interpersonal skills to work effectively with other developers, business analysts, QA, and operations teams.

·Communication: Clear and concise verbal and written communication for technical and non-technical stakeholders.