Senior Java Developer- Client portal

Role : Senior Java Developer- Client portal

Duration : Fulltime

Location : Greenwich, CT Hybrid

This is a hybrid role (three days in the office/two days remote).
Interactive Brokers Group has been consistently at the forefront of trading innovation , starting with the invention of the first floor-based handheld computer in 1983. We pride ourselves on being primarily a technology company and challenging the status quo. We push boundaries to offer our clients the best trading platform with the most sophisticated features at the lowest cost. Software development is the lifeblood of our firm, and it shows in our stellar brokerage platform. Interactive Brokers is regularly recognized as a leader in the financial services industry .
About Your Team
The successful candidate will help design, develop and maintain our Web API platform, which currently provides 3rd Parties, clients and IBKR's client-facing applications access to highly critical real-time services required for day-to-day operations. As one of the first members of the Web PI team, you will help shape the platform's future with various opportunities to grow.
What Will Be Your Responsibilities Within IBKR

• You will work with business and internal teams, adding new features and interfaces as required.
• You will write documentation unit and regression tests for new interfaces.
• You will write backend services and/or clients that will help expose internal services.
• You will Provide 3rd Level of support.

Which Skills Are Required

• Bachelor's or Master's degree in Computer Science or a related field.
• Strong Core Java skills, must have client portal experience, and if they have Vert.x
• Proven experience as a Java Developer with expertise in Java, Spring, Vert.x
• Proficiency in using Git version control for code management and collaboration.
• Strong command of RESTful web services and experience in designing and implementing them.
• Experience with JUnit or other testing frameworks for writing unit and integration tests.
• Solid understanding of software development principles and best practices.
• Experience with WebSockets and real-time communication in a Java-based environment
• Strong problem-solving skills and the ability to work independently and within a team.
• Excellent communication skills and a collaborative mindset.
• Continuous learning and staying up-to-date with the industry
• Familiarity with cloud technologies (e.g., AWS) is a plus.
• Previous experience with agile development methodologies is a plus.

To be successful in this position, you will have the following:

• Self-motivated and able to handle tasks with minimal supervision.
• Superb analytical and problem-solving skills.
• Excellent collaboration and communication (Verbal and written) skills.
• Outstanding organizational and time management skills.