Senior Software Engineer, International

About the role

As a Senior Software Engineer on the International team at Aurora Solar, you will design and deliver improvements across both existing systems and new greenfield initiatives that directly support solar scaling globally. You will build scalable, secure services that are architected for long-term performance and unwavering reliability in diverse environments. You will turn ambiguous, real-world problems into clear technical plans and then execute with speed and precision alongside cross-functional partners. You will partner closely with product, design, QA, and customer-facing teams to ship outcomes that meaningfully move the clean-energy transition forward. You will raise engineering excellence through consistent code reviews, hands-on pairing, and mentorship that strengthens the entire team. You will own what you build end to end, including deep involvement in observability, incident response, and participation in the on-call rotation. You will champion a culture of curiosity, intentionful collaboration, and quality at every layer from architecture down to the last edge case.

Key facts

What you'll do

• Design and deliver improvements across existing systems and greenfield initiatives that expand Aurora's reach into new markets.
• Build scalable, secure services designed for long-term performance and reliability in production environments across diverse regions.
• Turn ambiguous requirements and regional constraints into clear technical plans, then execute with speed and precision while maintaining high quality.
• Partner with product, design, QA, and customer-facing teams to ship outcomes that matter to solar professionals and homeowners worldwide.
• Raise engineering excellence through thorough code reviews, hands-on pairing sessions, and mentorship that strengthen the entire engineering organization.
• Own what you build end to finish, including deep involvement in observability, monitoring, and incident response responsibilities.
• Collaborate with international stakeholders to understand how solar is sold, designed, and installed in-market, capturing region-specific workflows and constraints.
• Balance global consistency with regional flexibility to meet compliance and workflow expectations for each market served.
• Contribute to new greenfield initiatives that unlock better experiences for homeowners and solar professionals in emerging regions.
• Strengthen the platform as a foundational enabler of the clean-energy transition, ensuring it can scale with market growth.
• Simplify complex workflows while maintaining robustness and resilience under the hood.
• Support the evolution of the product experience in alignment with regional regulations, localization, and user needs.
• Help define and maintain architectural and technical standards that allow the system to remain extensible as new markets grow.
• Communicate proactively with distributed teams to keep context shared and decisions transparent, fostering alignment across time zones.

Requirements

• 5+ years building high-quality, well-tested, maintainable software in production environments, with a proven ability to deliver reliable systems.
• Proficiency in at least one core language such as Python, Ruby, JavaScript, or TypeScript, with comfort working across the stack and willingness to contribute where needed.
• React experience is a plus that enhances your ability to contribute to front-end initiatives and user-facing features.
• Strong fundamentals in software design, including both object-oriented and functional paradigms, and the judgment to apply them appropriately.
• Experience designing robust APIs, modeling relational data, and deploying cloud-native applications that meet real-world operational demands.
• A track record of making pragmatic tradeoffs that balance customer outcomes, time-to-market, and overall system health.
• Clear, proactive communication and a collaborative working style suited to a fully distributed environment, with strong written and verbal skills in English.
• Professional fluency in written and spoken English, with the requirement to submit your resume in English for consideration.

Nice to have

• Passion for renewable energy, climate tech, or building tools that accelerate real-world impact and support the transition to solar energy.
• Experience supporting internationalization, localization, or region-specific product requirements to meet diverse market needs.
• Familiarity with compliance-driven engineering, including privacy, security, data residency, and auditability considerations across jurisdictions.

Practical notes

This is a hybrid position based in Warsaw, Poland.