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Sr Java Consultant Jobs in New York (NOW HIRING)

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 ... Working knowledge of consulting/project management techniques/methods * Ability to work under ...

Infosys Limited Digital

Senior Java Developer

Jersey City, NJ · On-site

$59.75 - $76.25/hr

Job details Job Role Technology Consultant 2 Career Role Technology Lead - US Work Location Jersey ... stack|Java Full stack Salary min 82419 Salary max 126600 Overview The Infosys Enterprise ...

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 ... Knowledge of consulting or project management techniques. * Ability to work under pressure and ...

Infojini Inc

Java Application Developer

Newark, NJ

Infojini Consulting is recognized as one of the fastest growing IT services and software ... We offer an excellent compensation package Job details mentioned below Title: Sr. Java Application ...

DataFitch

Senior Java Developer

Jersey City, NJ · On-site

$120 - $180/hr

We are seeking a Java Full Stack Senior Developer role that is responsible for participation in the ... Working knowledge of consulting/project management techniques/methods * Ability to work under ...

Sonoma Consulting Inc.

Java Developer (J2EE)

Edison, NJ · On-site

$52.75 - $68.25/hr

Halo Group's experienced consultants in Detroit, Atlanta and Dallas specialize in all areas of ... Java Developer, Senior Java Developer, J2EE Developer, Software Developer Skills: Banking ...

Infosys Limited

Senior Java Developer

Jersey City, NJ · On-site

$95 - $130/hr

In the assigned Job Role of Technology Consultant 2, your Area Of Responsibility will be as below ... Hands on experience in Core Java (Java 8+) * Experience with Spring Boot framework * Hands on ...

28Stone

Senior Java Developer

Jersey City, NJ · On-site

$100 - $120/hr

About 28Stone 28Stone is a global IT consulting and custom solutions firm specializing in capital ... At least 5+ years of hands-on experience in developing enterprise applications using Java. * Must ...

Infosys

Senior Java Developer

Jersey City, NJ · On-site

$82K - $126K/yr

In the assigned Job Role of Technology Consultant 2, your Area Of Responsibility will be as below ... Required Skill and Experience • Hands on experience in Core Java (Java 8+) • Experience with ...

28Stone

Senior Java Developer

Jersey City, NJ · Hybrid

$100 - $120/hr

About 28Stone 28Stone is a global IT consulting and custom solutions firm specializing in capital ... At least 5+ years of hands-on experience in developing enterprise applications using Java. * Must ...

Eliassen Group

Senior Java Engineer

Jersey City, NJ · On-site

$80 - $90/hr

For our w2 consultants, we offer a great benefits package that includes Medical, Dental, and Vision ... Expertise in Java, Python, and Linux. * Deep experience with low latency messaging systems such as ...

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All JobsSr Java Consultant JobsSr Java Consultant Jobs in New York

Sr Java Consultant information

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

To thrive as a Sr Java Consultant, you need advanced expertise in Java programming, software architecture, and system integration, often supported by a bachelor’s degree in computer science or a related field. Familiarity with frameworks such as Spring and Hibernate, proficiency in tools like Maven, Jenkins, and Git, as well as certifications like Oracle Certified Professional (OCP), are highly valued. Strong problem-solving, communication, and leadership skills help distinguish top consultants, enabling them to guide development teams and interact effectively with clients. These competencies are vital for delivering robust solutions, ensuring project success, and maintaining client satisfaction in complex enterprise environments.

How do Sr Java consultants typically collaborate with cross-functional teams during large-scale projects?

Sr Java Consultants often work closely with professionals from QA, DevOps, product management, and UI/UX teams to ensure seamless integration and delivery of project components. They participate in architecture discussions, code reviews, and sprint planning meetings, providing technical guidance and aligning backend Java solutions with broader business objectives. Effective communication and coordination skills are key, as Sr Java Consultants are expected to translate complex technical requirements into actionable tasks for both technical and non-technical stakeholders.

What is a Sr Java consultant?

Sr Java Consultants are experienced professionals who specialize in providing expert advice, design, and implementation of Java-based software solutions. They typically have extensive knowledge of Java frameworks, enterprise systems, and best practices for software development. In addition to coding, they often mentor junior developers, guide architectural decisions, and work closely with clients to understand and fulfill complex technical requirements. Their role is crucial in ensuring that Java projects are delivered efficiently, securely, and to high quality standards.

What is the difference between Sr Java Consultant vs Java Developer?

AspectSr Java ConsultantJava Developer
Required CredentialsBachelor's in CS or related, Java certifications, experience in consultingBachelor's in CS or related, Java certifications often preferred
Work EnvironmentClient sites, consulting firms, project-basedIn-house or software development companies, project-based
Employer & Industry UsageConsulting firms, IT services, enterprise solutionsTech companies, startups, software development firms
Common Search & ComparisonOften compared for seniority and consulting rolesCompared for core development skills

The main difference between a Sr Java Consultant and a Java Developer lies in their roles and work environment. Sr Java Consultants typically work on client projects, providing expert advice and solutions, often requiring consulting experience. Java Developers focus on coding, designing, and implementing Java applications within organizations. Both roles require strong Java skills and certifications, but their day-to-day tasks and employer types differ.

What are popular job titles related to Sr Java Consultant jobs in New York? For Sr Java Consultant jobs in New York, the most frequently searched job titles are:
What job categories do people searching Sr Java Consultant jobs in New York look for? The top searched job categories for Sr Java Consultant jobs in New York are:
What cities in New York are hiring for Sr Java Consultant jobs? Cities in New York with the most Sr Java Consultant job openings:
Sr Java Consultant jobs near you
Infographic showing various Sr Java Consultant job openings in New York as of August 2026, with employment types broken down into 84% Full Time, 11% Part Time, 1% Temporary, and 4% Contract. Highlights an 86% Physical, 4% Hybrid, and 10% Remote job distribution.

Senior Java Developer - Child Support Management System

STRATEGIC MINDZ LLC

Manhattan, NY • On-site

$65 - $75/hr

Full-time

Posted 7 days ago

Job description

Senior Java Developer – CSMS (Child Support Management System)

Job Summary:
We are seeking an experienced Senior Java Developer to join the CSMS modernization team. You will design, develop, and maintain mission-critical microservices and applications that support child support case management operations. The role requires strong experience in microservices architecture — building, deploying, and maintaining loosely coupled, independently deployable services. Your work will span web application development, REST API services, batch processing, and system integrations within a cloud-native environment.
Key Responsibilities:
  • Design, develop, and maintain microservices using Spring Boot, following domain-driven design and service decomposition best practices
  • Build and deploy loosely coupled, independently deployable services with well-defined API contracts
  • Develop scalable web applications, RESTful APIs, batch jobs, and integration services for the application platform
  • Develop and optimize Spring Batch jobs for high-volume data processing, reporting, and scheduled workflows
  • Implement data access layers using Hibernate/JPA against PostgreSQL databases
  • Manage inter-service communication patterns including synchronous REST calls and asynchronous messaging
  • Collaborate with architects and business analysts to translate requirements into technical solutions
  • Participate in code reviews, enforce coding standards, and mentor junior developers
  • Troubleshoot application issues and provide timely resolutions across distributed microservices
  • Contribute to CI/CD pipeline improvements and deployment automation for microservices
  • Write unit and integration tests to ensure code quality and reliability
  • Work with cross-functional teams on system integration efforts including third-party and inter-agency data exchanges

Consultants may be eligible to telecommute for more than 50% of their work hours, up to and including 100% remote work. Telecommuting arrangements require direct manager approval and are subject to change based on program needs. Consultants approved for 100% remote work must attend monthly in-person meetings at the Albany office and be available for major milestone meetings as needed. 

Mandatory Qualifications:

  • 7+ years of professional Java development experience
  • Strong proficiency in Java 21 (records, sealed classes, pattern matching, virtual threads)
  • Proven experience designing and building microservices architectures — service decomposition, API gateway patterns, service discovery, and distributed configuration
  • Extensive experience with Spring Boot and the Spring ecosystem (Spring MVC, Spring Data, Spring Security, Spring Cloud)
  • Hands-on experience with Spring Batch for large-scale batch processing
  • Solid understanding of Hibernate/JPA for ORM and database interaction
  • Experience with PostgreSQL or similar relational databases
  • Proven track record of building and consuming RESTful APIs with proper versioning and contract-first design
  • Experience with inter-service communication patterns (REST, messaging queues, event-driven)
  • Experience deploying and operating microservices on AWS (EC2, ECS/EKS, RDS, S3, SQS, Lambda)
  • Familiarity with CI/CD tools (Jenkins, GitHub Actions, or similar) for microservices deployment pipelines
  • Strong understanding of software design patterns, SOLID principles, and clean code practices
  • Experience with Git version control and collaborative development workflows
  • Understanding of distributed system concerns: fault tolerance, circuit breakers, retries, and observability
Desirable Qualifications:
  • Experience with government or public sector projects
  • Hands-on experience with microservices patterns such as saga, CQRS, event sourcing, and API composition
  • Familiarity with service mesh technologies 
  • Experience with containerization (Docker) and orchestration (Kubernetes/ECS) for microservices deployment
  • Knowledge of message-driven architecture (SQS, SNS, Kafka) for asynchronous inter-service communication
  • Knowledge of API gateway solutions (AWS API Gateway, Spring Cloud Gateway)
  • Experience with centralized logging and distributed tracing across microservices (CloudWatch, Splunk, Datadog, Zipkin, OpenTelemetry)
  • Knowledge of infrastructure-as-code (Terraform, CloudFormation)
  • Understanding of OAuth2/OpenID Connect for securing microservices
  • Knowledge of database-per-service patterns and database migration tools (Flyway, Liquibase etc)