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Senior Java FullStack Developer

ICONMA, LLC

New York, NY

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JOB DETAILS
SALARY
$15–$57.14 Per Hour
SKILLS
Agile Programming Methodologies, Application Programming Interface (API), Brokerage, Client Server Architecture, Code Reviews, Communication Skills, Communications Servers, Computer Science, Concurrency, Content Providers, Continuous Deployment/Delivery, Continuous Integration, Data Analysis, Debugging Skills, DevOps, Distributed Computing, Docker, Ecosystems, Engineering, Financial Systems, Futures, Git, Global Financial Markets, Gradle, Health Plan, IDE (Integrated Development Environment), Identify Issues, Information Technology Consulting, Internet Application, Java, Linux Operating System, Machine Tool, Maven, Memory Management, Microservices, Office Suites, Performance Tuning/Optimization, PostgreSQL, Quality Assurance, Quality Assurance Methodology, REST (Representational State Transfer), Relational Databases (RDBMS), Risk Management, SQL (Structured Query Language), SQL Databases, Scrum Product Owner, Service Delivery, Software Engineering, Source Code/Configuration Management (SCM), Spring Framework, Stock Market, Team Player, Technical Delivery, Technical/Engineering Design, Trading Platforms, Trading/Stockbroking, Unit Test, Unix Operating Systems, User Interface/Experience (UI/UX), Web Interface
LOCATION
New York, NY
POSTED
1 day ago
Our client, a IT Services and Consulting company, is looking for a Senior Java Full Stack Developer for their New York, NY/Hybrid location.
 
Responsibilities:
  • This role involves maintenance and enhancement of existing backend and web-based applications and contributing to the evolution of our trading platform and web user interfaces.
  • Contributes to design, development, and implementation of backend services and web applications.
  • Writes clean, maintainable, and well-tested code following established engineering practices.
  • Participates in technical design discussions and collaborates with senior engineers and architects.
  • Works closely with frontend developers to integrate backend services with UI components.
  • Supports troubleshooting, debugging, and performance optimization of applications.
  • Breaks down user stories into technical tasks and delivers within agreed timelines.
  • Collaborates effectively in Agile teams with product owners, QA, and other developers.
  • Maintains and improves existing systems while ensuring stability and reliability.
  • Builds positive relationships within the team and contributes to a collaborative environment.
  • Communicates technical concepts clearly to both technical and non-technical stakeholders.
  • Continuously develops technical expertise and stays up to date with modern technologies and frameworks.
 
Requirements:
Top Skills Required:
  • Java , Springboot, Microservices
  • SQL
  • Docker, Kubernetes
  • LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a commitment to excellence in delivering the services our customers expect from us.
  • LSEG Data & Analytics team is seeking a highly technical, hands-on Java developer. Our group is focused on bringing a new level of efficiency, transparency and openness to the trading process by building a collaborative community of investors, brokers, technology firms and content providers.
  • Through our modular, end-to-end trade management platform, users can: execute everything from simple single stock trades to complex strategies across markets and time zones and manage their risk throughout the trade lifecycle; access our growing network of execution brokers to route Equities, Futures or Options orders globally, as well as dozens of integrated prime and clearing brokers through our growing suite of middle office tools; and collaborate with our broker and vendor partners, who are able to efficiently plug into our platform to reach our community.
  • Strong Java fundamentals (Java 21 preferred) including core concepts (collections, concurrency, memory management).
  • Solid experience with Spring Framework (Spring 4+) and Spring Boot 3.x.
  • Experience building and consuming REST APIs.
  • Good knowledge of React (version 17) and integration with backend services.
  • Strong understanding of web application architecture and client-server communication.
  • Experience with SQL and relational databases (e.g. PostgreSQL).
  • Proficiency with version control (Git) and build tools (Maven/Gradle).
  • Strong focus on clean code, unit testing, and code reviews.
  • Familiar with Agile development practices.
  • Comfortable working in Linux/Unix environments.
  • 4–8+ years of software engineering experience.
  • Experience with JSF / JSP applications and legacy UI technologies.
  • Familiarity with modern frontend practices and component-based architectures.
  • Experience with CI/CD pipelines and testing practices.
  • Exposure to Docker / containerization.
  • Basic understanding of distributed systems.
  • Familiarity with Spring ecosystem tooling.
  • Knowledge of financial systems or trading platforms is a plus.
  • BS/MS in Computer Science or equivalent software engineering qualification.
  • 4+ Years of Experience
Skills:
  • Category                           Name             Required         Importance
  • IDE DevOps                     Docker              Yes                    1
  • Infrastructure Services     Kubernetes          Yes                   1
  • Java                                   Microservices     Yes                    1
  • Java                                   Spring Boot        Yes                   1
  • Software Skills                  Java                     Yes                   1
  • Software Skills                  SQL                      Yes                 1
 
Why Should You Apply?

About the Company

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ICONMA, LLC

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