Senior Backend Engineer

Description

• Design and implement the core backend systems powering HeyCharge’s global platform. • Develop APIs, event pipelines, and data models for large-scale, real-time operations. • Ensure scalability, reliability, and performance across all backend components. • Define communication flows between chargers, mobile apps, and cloud services. • Work closely with hardware and mobile teams to integrate physical interactions into seamless digital experiences. • Build and maintain secure, efficient data pipelines that support real-time operations. • Implement fault-tolerant designs, monitoring tools, and alerting systems. • Champion best practices in data privacy, encryption, and authentication. • Continuously improve system performance and reliability through automation and CI/CD pipelines. • Partner with product and design teams to translate technical capabilities into customer value. • Lead by example through code reviews, documentation, and mentorship. • Contribute to long-term architectural strategy and roadmap.

Requirements

• 5+ years of experience in backend development with TypeScript/NestJS/Node.js/Javascript • Strong understanding of Google Cloud Platform (GCP), particularly Firebase • Proven experience designing microservices, event-driven architectures, and distributed systems • Solid background in SQL and NoSQL database design • Experience with API security, encryption, and authentication protocols • Hands-on approach — able to move from architecture to implementation with speed and precision • Excellent communication skills and ability to collaborate across technical and non-technical teams • Fluency in English (German is a plus)

Benefits

• Professional development opportunities • Flexible working hours

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