• Build and enhance React-based web applications. • Develop backend services and APIs using Python and FastAPI. • Work with REST APIs, asynchronous services, and microservice-based architectures. • Investigate software failures, identify root causes, and implement fixes. • Participate in testing, code reviews, and production releases. • Collaborate with engineers across multiple teams to deliver new functionality. • Support and improve applications running in Linux environments.

• Write functional specifications and design specifications for system software to manage hardware components • Independently implement solutions to small-sized problems in the system software using the C, C++, and python programming languages • Write test plan specifications for small-sized features and implement automated test programs to execute the cases described in the test plan • Debug problems found by our automated test programs and fix the problems • Work on a team implementing, testing, and debugging solutions to larger routing protocol problems • Worth with Customer Support Engineers to analyze problems in customer networks and provide fixes for those problems when needed in the form of new software releases or software patches • Mentor new and junior engineers to bring them up to speed in Arista’s software development environment as well as broader SONiC development

Title: Java Web Application Developer Location: Greenwich, CT Job Description: nteractive Brokers Group, Inc. (Nasdaq: IBKR) is a global financial services company headquartered in Greenwich, CT, USA, with offices in over 15 countries. We have been at the forefront of financial innovation for over four decades, known for our cutting-edge technology and client commitment. IBKR affiliates provide global electronic brokerage services around the clock on stocks, options, futures, currencies, bonds, and funds to clients in over 200 countries and territories. We serve individual investors and institutions, including financial advisors, hedge funds and introducing brokers. Our advanced technology, competitive pricing, and global market help our clients to make the most of their investments. Barron's has recognized Interactive Brokers as the #1 online broker for six consecutive years. Join our dynamic, multi-national team and be a part of a company that simplifies and enhances financial opportunities using state-of-the-art technology. This is Hybrid role (3 days in office /2 days remote) About your Team: This is an opportunity to build high-performance, scalable, and standards-driven software. You'll be joining our Web Development Group, where you'll play an active role in every phase of the development lifecycle, contributing to the systems that directly serve and impact our customers. What will be your responsibilities within IBKR: - Design, develop, maintain web-based applications and programs for our online brokerage services. - Maintain large-multi-tiered web applications to support our customer registration and account management systems. - The design, development, support of Oracle database schemas, PL/SQL packages, scheduled batch processing, Java applications and servers. What required skill’s you need: - A master’s degree in computer science or related field - A minimum of 3 years of experience in web application development - Knowledge of Oracle, PL/SQL, Object-Oriented Programming and Java - Experience with Spring Framework (Spring Boot, Spring MVC) - Experience designing single page applications using frameworks like Angular and/or Vue.js - Proficiency with front-end technologies including HTML5, CSS3, TypeScript, and component-based architecture - Experience using Bitbucket and Gerrit for source control, including branching strategies, pull requests, and code reviews within a collaborative team environment. - Hands-on experience with Gradle as a build automation tool, including dependency management, multi-project builds, and custom build scripting - Familiarity with AI-assisted development tools, including Claude Code and other agentic coding tools, to accelerate development workflows and improve code quality - Exposure to UNIX/Linux To be successful in this position, you will have the following: - Attention to details - Fast learners - Self-motivated and directed individuals - A desire and aptitude for solving complex problems - Highly analytical people Company Benefits & Perks - Competitive salary, annual performance-based bonus and stock grant - Retirement plan 401(k) with competitive company match - Excellent health and wellness benefits, including medical, dental, and vision benefits. Company paid medical healthcare premium. - Wellness screenings and assessments, health coaches and counseling services through an Employee Assistance Program (EAP) - Daily company lunch allowance provided and a fully stocked kitchen with healthy options for breakfast and snack - Corporate events including team outings, dinners, volunteer activities and company sports teams - Education reimbursement and learning opportunities

• The Senior Backend Engineer is responsible for designing, building, and optimizing the core services, APIs, and data processing components that power desktop and distributed software applications. • This role focuses on performance, reliability, security, and scalability at the service and data layers, ensuring seamless integration with thick client applications such as Electron-based platforms. • Key Responsibilities: Design and implement scalable backend services and APIs to support thick client desktop applications. • Architect service-layer logic for validation, analytics, and business rule enforcement. • Develop and maintain data processing pipelines for structured and semi-structured data. • Optimize backend systems for performance, concurrency, and efficient resource utilization. • Design clean, well-documented RESTful APIs and service contracts for client-server communication. • Implement authentication, authorization, and secure data handling mechanisms. • Support secure communication between backend services and Electron or other desktop client frameworks. • Contribute to database schema design and data modeling strategies. • Participate in code reviews and maintain backend engineering standards. • Collaborate with DevSecOps teams to support containerization, CI/CD pipelines, and automated testing.