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Principal Engineer / Web & Mobile Applications jobs in United States
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WAC Lighting · 10 hours ago

Principal Engineer / Web & Mobile Applications

WAC Group is seeking a Principal Engineer to lead the design and development of cross-platform user experiences for their commercial lighting controls platform. The role involves defining architectural vision, mentoring engineering teams, and ensuring a consistent user experience across web and mobile applications.
ElectronicsManufacturingCommercialLighting
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Growth Opportunities
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H1B Sponsor Likelynote

Responsibilities

Define the architectural vision for web and mobile applications, ensuring consistency across Angular/Next.js frontends and iOS/Android apps
Lead the design of scalable, modular component libraries that promote reuse and accessibility (WCAG 2.2 AA)
Collaborate with product and design to translate business needs into intuitive dashboards and mobile workflows
Mentor and guide engineering teams on modern frameworks, performance optimization, testing, and secure coding practices
Drive integration with backend services (REST APIs, real-time WebSockets, push notifications)
Ensure mobile provisioning/commissioning flows are reliable, including offline-first and LAN fallback strategies
Oversee CI/CD pipelines for multi-platform delivery, app store deployments, and long-term maintainability
Partner with QA to ensure test coverage for E2E workflows spanning web and mobile
Own multi‑tenant data model (Org → Sites → Zones → Groups → Fixtures) and device twin/shadow design
Define security baselines, RBAC/SSO (SAML/OIDC), audit logging, and data retention
Design APIs & webhooks for groups/scenes/schedules, telemetry, and integrations (BACnet/IP, REST)
Establish automation/timeclock contracts to run reliably at the edge (hub) and in the Cloud
Own observability (logs/metrics/traces) and SLOs; guide capacity and cost management
Lead code reviews, design reviews, and mentor engineers across mobile and web

Qualification

AngularNext.jsIOSAndroidJavaScript/TypeScriptSwiftKotlin/JavaDistributed systemsIoT platformsREST APIsAccessibilityPerformance tuningStakeholder communicationSecurity complianceDocumentationMentoring

Required

Bachelor Degree or above in Computer Science, or a closely related field of study
10+ years building distributed systems or IoT platforms (cloud + edge) with a focus on web (Angular/Next.js) and mobile (iOS/Android)
Proven experience architecting enterprise SaaS dashboards and native apps with millions of users
Deep expertise in JavaScript/TypeScript, Swift, and Kotlin/Java
Strong understanding of state management, real-time data handling, and offline sync patterns
Experience in accessibility, internationalization, and performance tuning across web and mobile
Expertise with MQTT/REST, event streams, and schema design for telemetry/analytics
Hands‑on experience with commissioning/provisioning workflows and OTA safety
Security and compliance experience (SSO, least privilege, encryption at rest/in transit)
Strong documentation and stakeholder communication skills

Preferred

BACnet/IP or building systems integration experience is a plus
Bluetooth Mesh / Zigbee / Matter commissioning is a plus
Angular/Next.js; iOS/Android platforms is a plus

Benefits

Paid time off
Medical & dental coverage (including family coverage)
Vision
Life
401(k)
Tuition assistance
Continuous training and development

Company

WAC Lighting

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A global manufacturing leader of solid state lighting that designs, engineers and produces a broad range of lighting products.

H1B Sponsorship

WAC Lighting has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (2)
2024 (4)
2023 (2)
2022 (2)
2021 (3)
2020 (1)

Funding

Current Stage
Late Stage
Total Funding
$0.2M
2009-10-02Grant· $0.2M

Leadership Team

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Michelle Sacco
HR Business Partner
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Company data provided by crunchbase