Principal Solutions Engineer

Principal Solutions Engineer-Mobile & Platform

Location: Oakland, CA (Hybrid-2 days in a month)

Duration: 12 months+ contract

*****Local candidates only*****

Role Overview

Client is seeking a Lead Software Engineer - Mobile & Platforms to provide senior technical leadership for the design, development, and evolution of a new customer facing mobile application platform. This role begins as a hands on senior individual contributor and technical authority and will progressively build and lead a small internal engineering team as the platform matures.

The Lead Software Engineer owns mobile and backend architecture, guides implementation decisions, coordinates integration across various systems, and leads delivery through technical direction, mentorship, and increasing team leadership responsibility.

Key Responsibilities

• Provide hands on technical leadership for the client's Project mobile application platform from initial design through launch monitoring, and ongoing evolution.
• Design, implement, and maintain mobile applications, backend services, and supporting APIs.
• Own and influence end-to-end solution architecture across mobile, cloud services, enterprise integrations, and platform dependencies.
• Lead technical integration with internal systems, ensuring reliability, scalability, and long term maintainability.
• Design and integrate IoT, grid edge, and device generated data into backend services and customer facing mobile experiences.
• Partner closely with internal IT, security, and platform teams to ensure compliance with client's technology standards, privacy, security, and regulatory requirements.
• Serve as the technical authority for architecture decisions, design trade offs, and implementation approaches.
• Guide and mentor engineers-internal and vendor-through design reviews, code reviews, and day to day technical leadership.
• Provide technical oversight and governance for external engineering vendors and contracted partners, ensuring quality and architectural consistency.
• Contribute to delivery planning, dependency management, and mitigation of technical risk in partnership with Product and Program leadership.
• Help define the engineering team structure and hiring approach, participating in hiring, onboarding, and development of a small internal team over time.

Minimum Experience

• 10+ years of software engineering experience with demonstrated technical leadership
• Strong background in:
  
  • Mobile application development (iOS, Android, and/or cross-platform frameworks)
  • Backend services, APIs, and cloud platforms
  • System and solution architecture
  
  
  
• Experience designing or integrating systems that consume IoT, sensor, or device-generated data
• Strong hands on coding capability across modern software stacks.
• Proven ability to lead teams and influence without owning all implementation details
• Experience working with external vendors or consulting firms

Desired Experience

• Experience building and scaling customer-facing digital products
• Experience with event-driven, or near-real-time data architectures
• Experience supporting products through launch and post launch iteration

Desired Characteristics

• Trusted technical leader with strong architectural judgment and a pragmatic approach to building scalable platforms
• Effective people and partner manager who builds strong teams, collaborates well across IT and Product, and holds external vendors accountable.
• Accountable, adaptable operator who drives delivery through ambiguity, anticipates risks, and communicates clearly in a regulated environment.

What Success Looks Like

• Product and engineering move in lockstep, grounded in shared reality.
• The Charlie platform scales without repeated rearchitecture.
• Internal teams see Charlie as credible and worth aligning to.