Senior Software Engineer

Copper

$175K — $190K *
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Professional software development experience, preferably at a small or growing startup.
  • Ability to independently navigate and resolve ambiguous technical challenges from start to finish.
  • Experience designing and implementing cloud-based systems like AWS, particularly with distributed systems and data pipelines.
  • Familiarity with a modern web and application stack (TypeScript, Python, React) and SQL databases.
  • Proven track record in creating reliable, production-quality systems with an emphasis on automated testing and long-term maintenance.
  • Strong communication skills to collaborate with cross-functional teams, including both technical and non-technical stakeholders.
  • Comfort in ambiguous situations, making practical trade-offs, and taking ownership of outcomes rather than just tasks.

Responsibilities

  • Own design, implementation, and evolution of essential software systems, including cloud infrastructure and mobile applications.
  • Design, develop, and launch features and systems for various stakeholders, including customers and operations teams.
  • Manage and enhance data pipelines and cloud systems for fleet analytics and visibility.
  • Collaborate closely with hardware, firmware, manufacturing, and product teams to ensure software integrates seamlessly with real devices.
  • Refine feature requirements by balancing user needs with system complexity and maintainability.
  • Work alongside engineering leadership to determine technical priorities and direct impactful work.
  • Support mobile app releases with automation and QA processes, ensuring high standards of code quality.

Benefits

  • Comprehensive medical, dental, and vision insurance with full premiums for employees and partial for dependents.
  • 401(k) plan available for employee contributions with options for growth.
  • Generous paid parental leave policy, offering 16 weeks for all employees after three months of service.
  • Supportive work environment geared towards professional growth and collaboration.
Full Job Description
Overview

As a Software Engineer, you'll help build and scale the software systems that connect our appliances, cloud infrastructure, and customer-facing applications. You'll work across cloud services, data pipelines, mobile and web applications, and the interfaces that tie our software to real hardware in people's homes.

This is a high-impact, hands-on role with end-to-end ownership. You'll partner closely with a small, cross-functional team, while shipping mission-critical features that support customers, manufacturing, operations, and Copper's broader climate mission. We're looking for someone who thrives in ambiguity, drives clarity across boundaries, and can scale both systems and engineering practices as the company grows.

This is a full-time position and it is expected to be in-office 4 days per week. Our office is located in Berkeley, CA

What you'll do:
  • Own the design, implementation, and evolution of critical software systems spanning cloud infrastructure, mobile applications, and internal tools.
  • Design, implement, test, and ship features and systems across the cloud, mobile app, and internal tools used by customers, installers, manufacturing, and operations teams.
  • Own and grow data pipelines and cloud systems that power fleet visibility, analytics, and participation in programs such as virtual power plants.
  • Partner with hardware, firmware, manufacturing, and product teams to build software that integrates cleanly with real devices and real-world workflows.
  • Refine feature requirements, balancing user needs, system complexity, reliability, and long-term maintainability.
  • Partner with engineering leadership to shape technical direction and prioritize high-impact work.
  • Support mobile releases and QA, with a bias toward automation and repeatable processes.
  • Ship high-quality code, thoughtful design, and practice strong engineering principles.
  • Contribute to code reviews and mentor other engineers through hands-on collaboration
  • As the system matures, help support operational needs, including occasional on-call incident response outside of normal business hours.

What you'll bring?
  • Professional software development experience, ideally including time at a small or growing startup.
  • Proven ability to independently drive ambiguous technical problems from definition through execution.
  • Experience designing and building cloud-based systems (AWS or similar), including distributed systems and data pipelines.
  • Comfort working across a modern web and application stack, including:
    1. TypeScript and/or Python
    2. React-based frontends
    3. SQL and database-backed systems
  • Experience building production-quality systems with an emphasis on reliability, automated testing, and long-term ownership.
  • Ability to work across teams and disciplines, communicating clearly with engineers, operators, and non-technical stakeholders.
  • Comfort operating in ambiguity, making pragmatic tradeoffs, and taking responsibility for outcomes rather than just individual tasks.


Bonus Experience
  • React Native or mobile app development.
  • Experience working in or alongside Agile/Scrum teams.
  • Experience building IoT-connected systems or working with device data.
  • Familiarity with embedded software concepts (C/C++) or hardware-adjacent systems.
  • Experience with protobufs, RPC frameworks, or event-driven architectures.
  • Prior experience working at a hardware company.


Compensation & Benefits

The salary range for this role is $175,000-$190,000/year. We are committed to equitable compensation and we offer a generous benefits package to make sure you have the support you need. We cover 100% of the premiums for our employees and 50% of the premiums for their dependents on our base plans for medical, dental, and vision insurance. We offer a 401(k) plan for employees to contribute to, in addition to many other benefits. Every employee, regardless of gender identity or expression, is eligible for 16 weeks of paid parental leave after three months of employment (eight weeks through Channing Copper and eight weeks CA Paid Family Leave).

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