Senior Java Developer at Interactive Brokers

Interactive Brokers is seeking a Senior Java Developer to join their Web API team in Tallinn, Estonia. The successful candidate will contribute to the design, development, and maintenance of Interactive Brokers' Web API platform, which provides third-party clients and IBKR's client-facing applications with access to critical real-time services. As a member of the team, the Senior Java Developer will play a key role in shaping the platform's future.

Responsibilities:

• Work with business and internal teams to add new features and interfaces.
• Write documentation units and regression tests for new interfaces.
• Write backend services and/or clients that will help expose internal services.
• Provide 3rd Level of support.

Requirements:

• Bachelor's or Master's degree in Computer Science or a related field.
• 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.

What Interactive Brokers Offers:

• Discretionary, performance-based bonus
• Vision and dental care benefits, sport activity compensation
• Stock incentive plan
• Lunch in the office