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Backend Software Engineer

Wiraa

$195,000 - $210,000
Dec 4, 2025
Remote, US
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Puzzle is reimagining accounting software by integrating with modern fintech tools to offer real-time financial insights, empowering founders and finance teams to make informed decisions and drive venture success. The company needs to design and build scalable infrastructure to support its core systems and expanding user base.

Requirements

  • 7+ years of software engineering experience with a proven track record in architecting and delivering complex backend systems
  • Deep understanding of system architecture and the interconnected layers of large-scale systems
  • Experience in system design and scaling large data applications
  • Proficiency in database design and analytics, including SQL and NoSQL technologies
  • Strong experience in optimizing system and application performance, debugging, and troubleshooting

Responsibilities

  • Design and implement core infrastructure to support high-availability, low-latency systems at scale
  • Build and productize critical components of our financial system, laying the groundwork for an intuitive and powerful solution
  • Identify opportunities to improve platform performance, resilience, and developer productivity
  • Collaborate with product, design, and data teams to translate business needs into technical solutions
  • Troubleshoot complex systems and serve as a technical advisor during trade-off discussions and prioritization
  • Develop technical solutions to high-impact business challenges, considering broader company goals
  • Mentor and guide other engineers through code reviews, pairing, onboarding, and technical leadership

Other

  • Excellent communication and collaboration skills
  • Demonstrated ability to deliver high-quality work with precision and accuracy
  • Comfortable working in a fast-paced, high-ownership startup environment
  • Passion for mentoring and developing engineering talent
  • Flexible, remote-first work environment