Senior Software Engineer 1
Hong Kong, Hong Kong, HK

About Worldline Worldline Euronext : WLN is the European leader in the payments and transactional services industry and #4 player worldwide.

With its global reach and its commitment to innovation, Worldline is the technology partner of choice for merchants, banks and third-party acquirers as well as public transport operators, government agencies and industrial companies in all sectors.

Powered by over 20,000 employees in more than 50 countries, Worldline provides its clients with sustainable, trusted and secure solutions across the payment value chain, fostering their business growth wherever they are.

Services offered by Worldline in the areas of Merchant Services; Terminals, Solutions & Services; Financial Services and Mobility & e-Transactional Services include domestic and cross-border commercial acquiring, both in-store and online, highly-secure payment transaction processing, a broad portfolio of payment terminals as well as e-ticketing and digital services in the industrial environment.

In 2019 Worldline generated a proforma revenue of 5.3 billion euros.

Job Responsibilities

  • Lead technical discussions with cross-domain teams within the company and provide solutioning towards business requirements.
  • Lead the entire lifecycle such as development planning, estimating, system analysis, design, development, implementation and documentation for customer project or product development.
  • Become expert in own business domain.
  • Responsible in evaluation of technical feasibility and provide a good technical recommendation to business.
  • Contribute to the design and development of software solutions by understanding business challenges, assist in designing frameworks with security, scalability, and performance considerations, develop prototypes quickly, and create robust, high-volume production applications.
  • Develop, test, and optimize solutions and backend code for web-based applications.
  • Perform integration, troubleshooting, and maintenance of developed solutions as needed.
  • Document work as needed in an organized manner.
  • Work in collaborative teams with domain experts and others based on project scope.
  • Lead a technical training for internal and external stakeholders to educate them on best practices and new solutions.
  • Work closely with the Pre-Sales / Sales teams to resolve client issues, prioritize, and build market or vertical plans for technical services.
  • Assist to define the roadmap, goals, and vision for the product.
  • Assist in defining product technical architecture.
  • Applying best practices and standard operating procedures.
  • Job Requirements

  • Bachelor’s degree in Computer Science, Telecommunications, Engineering or equivalent.
  • Minimum of 7 years professional experience in design, development and implementation of Java application with proven practical experience.
  • 5+ years relevant experience building large-scale infrastructure applications or similar experience.
  • Expertise experience in the Card Payment / Digital Payment / Banking industry.
  • Expert in object-oriented design, data structures and algorithms.
  • Expertise experience in Java technologies, frameworks, API, SOAP / RESTful web services, Junit.
  • Expertise experience with front-end development (Angular, React, TypeScript, HTML5, CSS3 or similar JavaScript framework).
  • Database experience with SQL, PostgreSQL, Oracle, or similar database technologies.
  • Experience designing, analyzing and improving efficiency, scalability, and stability of various system resources.
  • Experience owning a particular component, feature or system.
  • Experience building and shipping high quality work and achieving high reliability.
  • Experience improving stability through thoughtful code reviews, appropriate testing, proper rollout, monitoring, and proactive changes.
  • Experience in utilizing data and analysis to explain technical problems and providing detailed feedback and solutions.
  • Experience with Linux environment including Shell scripting and software packaging.
  • Experience with continuous integration, release management and monitoring.
  • Good understanding in building reliable and scalable backend applications leveraging microservices architecture, messaging, streaming, batch processing and variety of technologies.
  • Have exposure in Cloud Services Platform, Docker containers, Kubernetes, OpenShift, etc.
  • Ability to work independently and lead a project.
  • Experience working with clients and business partners.
  • Customer-facing experience translating technical concepts and solutions to non-technical audiences.
  • Proficiency with engineering tools including IDEs, debugger, profilers, version control systems such as GitLab, Git, Maven, Jenkins, JIRA, Confluence Wiki, Artifactory, and etc.
  • Excellent knowledge of agile software development methodologies and industry best practices.
  • Genuine interest in technology, software development as well as high levels of self-motivation.
  • Able to work in a fast-paced, team-oriented environment with minimum supervision.
  • Ability to work under pressure.
  • Strong analytical and problem-solving skills.
  • Strong interpersonal, organizational, and communications skills.
  • Strong English communication skill (written and oral).
  • Willing to travel when needed.
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