Java Swing Developer; W2​/No C2C)

Our client 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.

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.

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.

Java, trading, Java Swing, Springboot, rest api, React, ci/cd

Java, trading, Java Swing

Secondary skills include experience with Spring Boot and the Spring ecosystem, REST API development, React, SQL/PostgreSQL, Linux/Unix environments, Git, Maven/Gradle, CI/CD pipelines, Docker/containerization, distributed systems, and modern frontend architectures. Familiarity with JSF/JSP and other legacy UI technologies is also beneficial, as portions of the platform may leverage older frameworks. Exposure to financial services, electronic trading, or capital markets environments is preferred but not required.

Strong testing practices, code review experience, and the ability to work effectively within Agile teams are also valued.

This is a Contract position based out of New York, NY.

The pay range for this position is $90.00 - $100.00/hr.

Individual compensation offered for this position within this range will depend on many factors, including qualifications, skills, relevant experience, job knowledge, geographic location, internal equity, and other…