Staff Software Engineer
Q-Cells, San Francisco, CA, United States
Description
POSITION DESCRIPTION:
Qcells is seeking a Staff Software Engineer with deep backend expertise (80%+) and solid full‑stack experience to help architect and build the next generation of cloud services powering our residential solar platform. These services support end‑to‑end workflows including telemetry ingestion, commissioning, asset management, customer/installer experiences, and integrations across mobile, web, and device ecosystems.
As a Staff Engineer, you will be a technical leader and hands-on contributor, driving architecture, mentoring engineers, guiding large cross-team initiatives, driving technical alignment with third-party contractors, and ensuring our software solutions are scalable, secure, reliable, and built for long-term evolution. You will collaborate with backend, mobile, web, hardware, product, and TPM partners across US, Korea, and India.
This role is ideal for engineers who thrive in high-impact system design, enjoy partnering across disciplines, and bring a strong sense of ownership to solving complex distributed system challenges.
RESPONSIBILITIES
Lead architectural direction for backend systems across API services, data models, streaming, and cloud services.
Set technical standards for service design, resiliency, observability, and long-term maintainability.
Drive integrations with backend, mobile, web, and device software, ensuring seamless connectivity with firmware, telemetry pipelines, and installer tools.
Provide architectural reviews, system-level design documents, and technical strategy recommendations to leadership.
Contribute directly to codebases, staying familiar with the codebase to drive realistic and practical solutions.
Ensure high availability and operational excellence, providing guidance on troubleshooting complex issues.
Partner closely with engineers, product managers, and other key stakeholders to shape technical requirements, scope backend initiatives, and identify cross-team dependencies.
Advocate for platform health, engineering efficiency, and the right long-term investments.
Mentor engineers across levels, supporting career growth, onboarding, and technical skill development.
REQUIRED QUALIFICATIONS
Bachelor’s or Master’s degree in Computer Science, Software Engineering, or related field.
10+ years of professional software engineering experience, with deep backend specialization.
Expertise in distributed systems, service / API design, event-driven architectures, and relational
on-relational databases
Strong experience with cloud platforms (Azure or AWS) and cloud-native services.
Demonstrated ability to architect and deliver critical production systems at scale.
Proficiency in at least one modern backend language (e.g., Java, Kotlin, Go, Node.js, Python) and comfort with UI frameworks (React, Vue, or similar).
Strong communication skills and ability to influence engineering decisions across teams.
Travel may be required up to 10%, depending on business needs.
Experience collaborating with globally distributed teams.
PREFERRED QUALIFICATIONS
Experience in solar/renewables, IoT, or connected device ecosystems
Background working with telemetry ingestion, workflow orchestration, or identity/authentication systems
Familiarity with full stack development in web or mobile
USE OF AI TOOLS
As a technology organization, Qcells expects team members to leverage AI models and AI-assisted tools in their daily workflows where appropriate. Candidates should be comfortable working in an AI-augmented environment and applying sound judgment when using AI-generated outputs. During the interview process, candidates will be asked to share examples of how they have used AI tools or models in their work.
Hanwha Q CELLS America Inc. (“HQCA”) is a Qcells company, one of the world’s largest manufacturers and providers of solar photovoltaic (PV) products and solutions.
Headquartered in Irvine, California, HQCA has been rapidly expanding its business in North America through the expansion of products and solutions, including distributed energy solutions, direct-to-homeowner solar sales and financing, and EPC services.
We provide an opportunity to be part of an exciting and growing world-class global business in an interesting and expanding industry of the future.
PHYSICAL, MENTAL & ENVIRONMENTAL DEMANDS:
To comply with the Rehabilitation Act of 1973 the essential physical, mental and environmental requirements for this job are listed below. These are requirements
normally expected
to perform
regular
job duties. Incumbent must be able to successfully perform all of the functions of the job with or without reasonable accommodation.
Mobility
Standing
20% of time
Sitting
70% of time
Walking
10% of time
Strength
Pulling
up to 10 Pounds
Pushing
up to 10 Pounds
Carrying
up to 10 Pounds
Lifting
up to 10 Pounds
Dexterity
(F = Frequently, O = Occasionally, N = Never)
Typing
F
Handling
F
Reaching
F
Agility
(F = Frequently, O = Occasionally, N = Never)
Turning
F
Twisting
F
Bending
O
Crouching
O
Balancing
N
Climbing
N
Crawling
N
Kneeling
N
The salary range is required by the California Pay Transparency Act and may differ depending on the location of those candidates hired nationwide. Actual compensation is influenced by a wide array of factors including but not limited to, skill set, education, licenses and certifications, essential job duties and requirements, and the necessary experience relative to the job’s minimum qualifications.
*This target salary range is for CA positions only and should not be interpreted as an offer of compensation.
You may view your privacy rights by reviewing Qcells' Privacy Policy or by contacting our HR team for a copy.
POSITION DESCRIPTION:
Qcells is seeking a Staff Software Engineer with deep backend expertise (80%+) and solid full‑stack experience to help architect and build the next generation of cloud services powering our residential solar platform. These services support end‑to‑end workflows including telemetry ingestion, commissioning, asset management, customer/installer experiences, and integrations across mobile, web, and device ecosystems.
As a Staff Engineer, you will be a technical leader and hands-on contributor, driving architecture, mentoring engineers, guiding large cross-team initiatives, driving technical alignment with third-party contractors, and ensuring our software solutions are scalable, secure, reliable, and built for long-term evolution. You will collaborate with backend, mobile, web, hardware, product, and TPM partners across US, Korea, and India.
This role is ideal for engineers who thrive in high-impact system design, enjoy partnering across disciplines, and bring a strong sense of ownership to solving complex distributed system challenges.
RESPONSIBILITIES
Lead architectural direction for backend systems across API services, data models, streaming, and cloud services.
Set technical standards for service design, resiliency, observability, and long-term maintainability.
Drive integrations with backend, mobile, web, and device software, ensuring seamless connectivity with firmware, telemetry pipelines, and installer tools.
Provide architectural reviews, system-level design documents, and technical strategy recommendations to leadership.
Contribute directly to codebases, staying familiar with the codebase to drive realistic and practical solutions.
Ensure high availability and operational excellence, providing guidance on troubleshooting complex issues.
Partner closely with engineers, product managers, and other key stakeholders to shape technical requirements, scope backend initiatives, and identify cross-team dependencies.
Advocate for platform health, engineering efficiency, and the right long-term investments.
Mentor engineers across levels, supporting career growth, onboarding, and technical skill development.
REQUIRED QUALIFICATIONS
Bachelor’s or Master’s degree in Computer Science, Software Engineering, or related field.
10+ years of professional software engineering experience, with deep backend specialization.
Expertise in distributed systems, service / API design, event-driven architectures, and relational
on-relational databases
Strong experience with cloud platforms (Azure or AWS) and cloud-native services.
Demonstrated ability to architect and deliver critical production systems at scale.
Proficiency in at least one modern backend language (e.g., Java, Kotlin, Go, Node.js, Python) and comfort with UI frameworks (React, Vue, or similar).
Strong communication skills and ability to influence engineering decisions across teams.
Travel may be required up to 10%, depending on business needs.
Experience collaborating with globally distributed teams.
PREFERRED QUALIFICATIONS
Experience in solar/renewables, IoT, or connected device ecosystems
Background working with telemetry ingestion, workflow orchestration, or identity/authentication systems
Familiarity with full stack development in web or mobile
USE OF AI TOOLS
As a technology organization, Qcells expects team members to leverage AI models and AI-assisted tools in their daily workflows where appropriate. Candidates should be comfortable working in an AI-augmented environment and applying sound judgment when using AI-generated outputs. During the interview process, candidates will be asked to share examples of how they have used AI tools or models in their work.
Hanwha Q CELLS America Inc. (“HQCA”) is a Qcells company, one of the world’s largest manufacturers and providers of solar photovoltaic (PV) products and solutions.
Headquartered in Irvine, California, HQCA has been rapidly expanding its business in North America through the expansion of products and solutions, including distributed energy solutions, direct-to-homeowner solar sales and financing, and EPC services.
We provide an opportunity to be part of an exciting and growing world-class global business in an interesting and expanding industry of the future.
PHYSICAL, MENTAL & ENVIRONMENTAL DEMANDS:
To comply with the Rehabilitation Act of 1973 the essential physical, mental and environmental requirements for this job are listed below. These are requirements
normally expected
to perform
regular
job duties. Incumbent must be able to successfully perform all of the functions of the job with or without reasonable accommodation.
Mobility
Standing
20% of time
Sitting
70% of time
Walking
10% of time
Strength
Pulling
up to 10 Pounds
Pushing
up to 10 Pounds
Carrying
up to 10 Pounds
Lifting
up to 10 Pounds
Dexterity
(F = Frequently, O = Occasionally, N = Never)
Typing
F
Handling
F
Reaching
F
Agility
(F = Frequently, O = Occasionally, N = Never)
Turning
F
Twisting
F
Bending
O
Crouching
O
Balancing
N
Climbing
N
Crawling
N
Kneeling
N
The salary range is required by the California Pay Transparency Act and may differ depending on the location of those candidates hired nationwide. Actual compensation is influenced by a wide array of factors including but not limited to, skill set, education, licenses and certifications, essential job duties and requirements, and the necessary experience relative to the job’s minimum qualifications.
*This target salary range is for CA positions only and should not be interpreted as an offer of compensation.
You may view your privacy rights by reviewing Qcells' Privacy Policy or by contacting our HR team for a copy.