Sr. Software Engineer II

LCS is hiring a Senior Software Engineer to join its Developer Experience & Architecture team. The role focuses on evolving shared platform systems, including federated GraphQL, developer tooling, authentication and authorization, and observability, while providing technical leadership across engineering teams.

Responsibilities:

• Evolve our federated GraphQL platform and shared infrastructure for reliability, scalability, security, and developer usability
• Build reusable libraries, frameworks, and developer tooling that reduce duplicated engineering effort across teams
• Design and improve authentication, authorization, and API access capabilities for applications and services
• Operate and improve critical platform services, including performance, observability, reliability, and production troubleshooting
• Partner with product and engineering teams to turn recurring needs into scalable platform capabilities
• Provide technical leadership through architecture and design reviews, code reviews, engineering standards, and mentorship

Requirements:

• Bachelor's degree in Computer Science, Information Systems, a related technical field, or equivalent practical experience
• 7+ years of professional software engineering experience, including building and operating production distributed systems
• Experience acting as a senior individual contributor or technical lead, owning system design and guiding engineering decisions
• Strong proficiency with GraphQL, including federated GraphQL architectures
• Strong proficiency with Go and experience building production services with attention to performance and resource efficiency
• Professional experience with Node.js and TypeScript/JavaScript
• Strong understanding of authentication and authorization, including OAuth/OIDC, service authentication, RBAC, and relationship-based authorization
• Strong understanding of distributed systems, API design, networking, service reliability, and production operations
• Experience with Docker, Kubernetes, Helm, and CI/CD pipelines
• Experience profiling and optimizing services for latency, throughput, CPU, and memory utilization
• Strong understanding of observability, including metrics, tracing, logging, and production debugging
• Strong software design skills, including domain-driven design principles
• Ability to work from high-level requirements and independently drive complex technical initiatives
• Strong written and verbal communication skills across technical and non-technical audiences
• Experience with GraphQL schema registries or control planes such as Apollo GraphOS, Hive or Wundergraph
• Experience building authorization platforms, policy engines, or similar security infrastructure
• Experience developing shared SDKs, frameworks, or internal developer platforms
• Experience with Rust or another systems-oriented programming language
• Strong understanding of language runtimes, concurrency, memory management, and networking
• Experience with OpenTelemetry or similar observability standards
• Experience with multi-tenant or multi-brand platform architectures
• Background in restaurant technology, point-of-sale systems, retail operations, or large-scale digital commerce