Staff Software Engineer - Connected Device & Platform

Resideo; Aurora (IL); Hybrid; USD 150,000 - 190,000; Full time

Job summary

Resideo is seeking a Staff Software Engineer to own complex cloud initiatives across device integration, cloud services, and application consumption. You will balance hands-on coding with technical leadership, driving end-to-end ownership and disciplined software practices.

You will design backend services in C#/.NET on Azure, define contracts, and architect event-driven workflows using Azure messaging services while guiding cross-functional teams toward reliable, scalable solutions.

Qualifications

• 7+ years building and operating production-grade cloud systems with C#/.NET

Responsibilities

• Own medium-to-large initiatives end-to-end from discovery to production
• Lead a pod of 2-3 developers with technical direction and accountability
• Define service contracts using OpenAPI and JSON Schema
• Architect event-driven workflows with Azure messaging services
• Lead design decisions balancing scalability, reliability, and deliver timelines
• Ensure ownership boundaries and integration expectations across teams

Skills

C#/.NET

Distributed systems

Concurrency

OpenAPI/Design

Azure services

CI/CD

Docker/Kubernetes

SQL/NoSQL databases

Tools

Event Hubs/Service Bus/IoT Hub

Event-driven architecture

Job description

Join a world-class engineering organization building the cloud platform that powers millions of connected devices across Security, Comfort, Air, and Water solutions. In this role as a Staff Software Engineer, you will operate as a technical owner for complex initiatives, leading small groups of engineers (2-3 developers) and driving delivery across multiple system layers, from device integration through cloud services and application consumption.

This role blends hands‑on engineering, technical leadership, and end‑to‑end ownership, with a strong emphasis on clear technical thinking, concise documentation, and disciplined software practices.

JOB DUTIES

Technical Leadership & Initiative Ownership

Own medium‑to‑large initiatives end‑to‑end, from early requirement discovery through design, implementation, rollout, and production hardening; Lead and guide a small pod of 2-3 developers, providing technical direction, task breakdown, and delivery accountability; Balance hands‑on development with leadership responsibilities, remaining deeply involved in critical code paths and design decisions; Drive alignment across teams (Product, Firmware, Mobile, QA, SRE, DevOps, Partner teams) to deliver cohesive, cross‑layer integrations.

Architecture & System Design

Design and evolve backend services using C#/.NET on Azure within a highly distributed, event‑driven architecture; Define clear service contracts using OpenAPI, JSON Schema, and contract‑first design principles; Architect and implement event‑driven workflows using Event Hubs, Service Bus, IoT Hub, Event Grid, and internal messaging pipelines; Make pragmatic architectural decisions that balance scalability, reliability, delivery timelines, and long‑term maintainability

Requirements & Documentation

Lead technical requirement discovery in collaboration with Product and partner teams, translating ambiguous inputs into clear technical designs; Produce concise, high‑quality documentation (RFCs, design docs, sequence diagrams, operational notes) that enables fast, confident execution; Establish and enforce clear ownership boundaries, contracts, and integration expectations across systems and teams

Reliability, Automation & Quality

Champion strong software engineering practices: automated testing, CI/CD, safe deployments, and progressive rollouts; Drive improvements in observability, resilience, and operational readiness using metrics, logging, tracing, and alerting; Lead performance analysis and capacity planning for high‑throughput device telemetry and fan‑out workloads; Participate in incident investigations and ensure learnings translate into durable fixes and platform improvements

Platform & Operational Ownership

Take ownership for features in production, including on‑call participation, root‑cause analysis, and long‑term remediation; Proactively identify platform gaps and propose initiatives to improve scalability, reliability, developer experience, or cost efficiency; Act as a technical point of contact for complex integrations spanning multiple services and teams

YOU MUST HAVE

• 7+ years of experience building and operating production‑grade cloud systems, with deep expertise in C#/.NET, distributed systems, concurrency, and scalable service design
• Proven experience leading technical initiatives and guiding other engineers through delivery
• Conceptual understanding of IoT Hub technologies OR event‑driven architecture with high throughputs
• Professional experience with event‑driven architectures and Azure messaging services (Event Hubs, Service Bus, IoT Hub, etc.)
• Professional experience with CI/CD pipelines, automated testing strategies, and frequent, reliable deployments
• Experience running containerized workloads using Docker and Kubernetes, with working knowledge of SQL and NoSQL data stores (PostgreSQL, SQL Server, Cosmos DB, Redis, etc.)
• The ability to work in‑office three days/week (Tu/Weds/Thurs) in adherence with our required hybrid work environment

WE VALUE

• Experience in highly rigorous engineering environments, competitive technical programs, or equivalent applied industry experience demonstrating an ability to be analytical and solve complex engineering problems at a level commonly seen in top tier technical training or high performing engineering roles
• Ability to navigate ambiguity, make sound technical decisions, and maintain momentum in a fast‑moving environment
• Experience building connected‑device or IoT platforms at scale
• Demonstrated ability to lead small teams without formal people management responsibilities
• Strong written communication skills and a bias toward clear, minimal, and actionable documentation
• Comfort working across organizational boundaries and influencing without authority
• Experience with performance tuning, throughput optimization, and distributed system debugging
• A mindset of ownership, accountability, and continuous improvement

WHAT’S IN IT FOR YOU

• High Impact: Own and deliver critical platform initiatives that power millions of connected devices worldwide
• Technical Leadership: Lead real projects and shape architecture, not just contribute code
• End‑to‑End Ownership: See your work through from concept to production and long‑term operation
• Growth Path: Clear runway toward Staff/Principal engineering or platform leadership roles
• Modern Stack: Azure cloud, event‑driven systems, large‑scale telemetry, Kubernetes, and modern DevOps practices
• Competitive Compensation & Benefits: Including health coverage, retirement plans, paid time off, and flexible work arrangements

Resideo is a global leader in smart home and building solutions, with trusted brands including Honeywell Home, First Alert, and Resideo helping people feel more comfortable, secure, connected, and in control every day. Our products and technologies are found in more than 150 million homes and businesses worldwide. From intelligent climate solutions to security, sensing, water, and connected home technologies, Resideo develops and manufactures products designed to simplify everyday life and help protect what matters most. Our global teams span engineering, manufacturing, software, product management, supply chain, customer experience, and more — all working together to shape the future of connected living through innovation, quality, and meaningful real‑world impact. At Resideo, our teams help create products and experiences that make everyday life more comfortable, secure, and connected for millions around the world. Learn more at www.resideo.com.

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