As part of the Software Development team, the Senior Software Developer works in an agile squad to build scalable solutions using Java Spring Boot, ReactJS, and RESTful microservices. The role focuses on developing a large trading system across web and mobile platforms, delivering clean code, strong testing, and continuous performance improvements.   Main Objectives and Activities * Work with an agile squad to deliver solutions to meet the business requirements for financial products. * Deliver the quality of the source code under your assignments. * Create automated unit testing to cover the lines of code, coordinate with tester to resolve any defects or bugs. * Be proactive in taking responsibility and have good communication to the team * Be able to extract some business logics from the legacy applications and summarize to the team * Be creative to propose on solution for better performance or UI usage * Coordinate with developers, solution designer and architect to present or review the solution and source code * Coordinate with business analysis and tester to ensure team deliver as expected. * Provide feedbacks to improve Norms and Processes, and development techniques. Qualifications: * Bachelor’s Degree or higher in Computer Science, Computer Engineering or related fields * Strong knowledge of programming techniques such as OOP, MVC, Client-Server, etc. * Strong knowledge on ReactJS (Angular is a plus) * Strong knowledge of Java Spring Boot and Java Spring framework. * Strong knowledge of REST API and Unit testing * Skilled in technical analysis, code structure, design patterns, and architectural best practices. * Skilled in communication both technical context and business context. * Working experience on database and store procedure. * Working experience on Microservices and AWS tools such as EKS, ECS, EC2, DynamoDB, etc. * Working experience on CI/CD process. * Working experience on Helm or Kubernetes is a plus. * Working experience on React Native or mobile platform is a plus * Working experience on developing applications for the financial markets, brokerage operations and Digital customer onboarding process is a plus. * Proficient with frontend languages such as HTML, CSS, and JavaScript/TypeScript. * Familiar with Agile methodology, tools e.g. Jenkins and process used for software development. * Good command of English. What you will get from ATA IT:   * 14 days’ vacation in first year * Health insurance for staff & families * Life insurance  * Dental fee for staff & families * Provident fund * Annual Party * Monthly Activities- Staff Birthday & Company Activities * Laptop provided by the company * Multinational company with flexible working hours, but professional company culture