Senior Backend Engineer building scalable APIs and services for NimbleRx’s pharmacy fulfillment and patient engagement platform. Architecting reliable web products for patients, pharmacies, and healthcare customers.
About the role
- Senior Rust Developer with extensive Rust experience designing scalable backend services for diverse clients. Join NextLink Labs and contribute to critical architecture decisions in an agile environment.
Responsibilities
- Design, develop, and maintain scalable backend services using Rust (Edition 2024) with Tokio as the async runtime
- Implement and extend Clean Architecture with CQRS and Event Sourcing patterns using actor-based concurrency (Kameo)
- Work with other engineers to architect and implement modular, well-structured solutions across workspace crates (model, domain, data, service)
- Communicate directly with clients to give demonstrations and receive feedback
- Build gRPC services using Tonic and Protocol Buffers with Prost for inter-service communication
- Build and optimize data access layers using SQLx against PostgreSQL/TimescaleDB and Neo4j
- Implement request validation using Garde
- Work in an agile team environment with daily stand ups, and weekly agile meetings
- Engage in code reviews of your teammates' work
- Triage, diagnose, and resolve production support tickets and defects in Rust-based microservices running on Azure Kubernetes Service (AKS), owning the full lifecycle from root cause analysis through fix and deployment validation
- Contribute to observability and monitoring using Tracing, OpenTelemetry, and OLTP exporters
Requirements
- 5+ years of experience building backend services with Rust with 3+ years supporting and maintaining production microservices-based architectures
- Strong understanding of Clean Architecture, CQRS, Event Sourcing, and actor-based concurrency patterns
- Experience designing and implementing gRPC APIs with Tonic and Protocol Buffers
- Proficiency with relational databases (PostgreSQL/TimescaleDB) and async query toolkits (SQLx)
- Experience with validation frameworks such as Garde
- Ability to work independently and take ownership in a variety of software engagements
- Ability to scope individual features and full software projects based on client requests
- Excellent written, verbal, and interpersonal skills with the ability to build buy-in, facilitate compromise, and guide client expectations
- Strong testing abilities using Cucumber (BDD/Gherkin) for integration tests and Rust's built-in test framework for unit tests
- Proficient understanding of version control systems (Git)
- Understanding of security best practices including JWT-based authentication and authorization
- Understanding of fundamental design principles behind scalable and distributed systems
- Strong debugging, root cause analysis, problem-solving, analytical, and strategic thinking abilities, capable of making well-informed and timely decisions
- Hands-on experience with AKS (pod logs, deployment health, kubectl) and observability tooling, specifically Grafana and Azure Monitor/Application Insights
- Familiarity with SRE principles including incident management, alerting best practices, and production observability
Benefits
- Remote-first culture, flexible work schedule, and autonomy to do your best work.
- Responsibility and autonomy at a growing company
- The opportunity to build something big and exciting
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