Backend Engineer

What we achieve together

• IoT Cloud Development: Responsible for IoT product cloud SaaS/PaaS development, participating in system analysis and design, and delivering module design and coding according to Sprint tasks.

• Code Quality & Process Compliance: Participate in code reviews to ensure code validity and correctness. Ensure development process transparency and controllability in line with company software development specifications.

• System Optimization & Security: Solve project issues, optimize system functions and performance, and ensure system security and stability.

• Data Index & Reporting System: Build and refine data index systems and reporting systems, identify business problems through data analysis, and track data changes to support informed decision-making.

• Data Mining & Business Insights: Analyze correlations between data indicators, and feedback business through data productization to guide business decisions and drive continuous improvement.

What makes us successful together

• Qualifications: Bachelor's degree in Computer Science, Software Engineering, or related field.

• Experience: 3+ years of backend development experience. Smart home product experience is a plus.

• Know-how: Proficient in Python/Java/OOP; familiar with Spring Boot/Cloud, MQTT/HTTPS/TLS, and MySQL/MongoDB/Redis. Ali Cloud, IoT PaaS, Modbus, PowerBI are pluses.

• Personality: Strong logical thinking, problem-solving, and communication skills, with a proactive and responsible attitude.

• Language: Good English communication skills for global collaboration.

What you can count on

• 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.