Software Development Engineer III - LC Phone
Build and scale backend platform systems for a high-volume phone infrastructure, focusing on reliability, performance, security, modernization, and cost efficiency. The role requires 4+ years of backend engineering experience with distributed systems, data modeling, microservices, and technical leadership.
About the job
Responsibilities
- Stabilize and scale the platform by addressing systemic bottlenecks, improving fault tolerance, and ensuring high availability for mission-critical phone services.
- Optimize CPU, memory, and network resource usage to support millions of operations while reducing cloud costs.
- Lead long-term refactoring, deprecate legacy systems, and introduce scalable patterns.
- Strengthen data protection, access controls, and auditability across the platform.
- Improve tooling, observability, and automation to accelerate engineering workflows.
- Collaborate with product, infrastructure, and engineering teams on platform priorities.
- Mentor engineers, establish architectural standards, and drive the platform roadmap.
Requirements
- 4+ years of backend engineering experience, including designing fault-tolerant systems and working on high-scale platforms.
- Deep expertise in distributed systems, event-driven architectures, and asynchronous job processing.
- Strong experience with relational and NoSQL data models, especially complex temporal data.
- Experience architecting complex systems and delivering scalable, high-performance web applications in production.
- Strong understanding of software design patterns, API design, and microservices architecture in a multi-tenant environment.
- Experience guiding technical architecture, making high-impact engineering decisions, and mentoring engineers.
- Experience with code quality practices, automated testing, CI/CD pipelines, and developer tooling optimization.
- Excellent problem-solving and collaborative communication skills.
Nice-to-haves
- Experience with AI tools.
- Contributions to open-source tools, internal platforms, or engineering blogs.
- Experience with modern frontend frameworks and full-stack web applications.
Skills
Node.js, Go, Java, MongoDB, Distributed Systems, Event-Driven Architecture, Asynchronous Job Processing, Microservices, API Design, CI/CD, Automated Testing, React, Vue, Angular, NoSQL
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