Backend Engineer

• Responsible for IoT cloud SaaS/PaaS development.
• Participate in the system analysis and design of products, be responsible for module design and coding according to each Sprint task.
• Participate in code review to ensure the validity and correctness of relevant codes.
• Ensure the transparency and controllability of the development process according to the company's software development specifications.
• Solve problems encountered in the project, optimize system functions and performance, and ensure system safety.
• Responsible for refining and building data index system and report system, finding business problems through data analysis and analyze data changes.
• Responsible for data analysis, mining the correlation between data indicators, and feedback business through the form of data productization to guide business decisions.

• Minimum Bachelor's degree in Computer Science, Software Engineering, or similar disciplines.
• At least 3 years of backend development experience, able to independently complete assigned tasks.Smart home system development experience is a plus.
• Proficient in Java / OOP, Spring Boot, Spring Security, and Spring Cloud framework.
• Proficient in network communication mechanisms and multi-threaded programming.
• Proficient with communication protocols such as MQTT, HTTPs, TLS, etc.
• Familiar with mainstream databases, including MySQL, MongoDB, Redis.
• Familiar with IoT Hub of Alibaba Cloud or Azure is a plus.Familiar with Modbus is a plus.
• Familiar with microservices development is a plus.
• Strong logical analysis ability, good at communication, with strong learning ability.
• Experience with data analysis and data mining is a plus; familiar with tools such as PowerBI.
• Good at learning and communication, proactive and responsible.

• We offer flexible working hours and an annual leave and sick leave policy that supports your work/life balance.
• We offer our employees in China an attractive remuneration package, including a competitive salary system and bonus incentive, holiday and flexible annual benefits, and the highest share of housing provident fund.
• We provide border health care for employees including yearly health check-up and supplementary commercial insurance.
• We provide various learning opportunities, including workshops, seminars, events, and e-learnings. Part of our culture is to encourage internal career development and job rotation.
• Our company provides various employee benefits including transport allowance, meal allowance, discounts on Vaillant products, long service award and holiday gift from the trade union.
• We have a modern, comfortable and safe office environment, the ventilation is a new heat exchange fan independently developed by Vaillant, which can provide a steady stream of fresh air all day long, with real-time monitoring of air quality changes in the house, safe and healthy, and bring the natural and comfortable German forest into our company.
• We frequently hold employee activities, including company outings and family days.

Vaillant