Senior Software Engineer (Backend-Leaning)
Location: Tel - Aviv (IL)
Experience Level: Senior
Description
Welcome to Zesty, a dynamic startup at the forefront of cloud optimization innovation!
Zesty’s Mission
Zesty is a startup company specializing in automated optimization solutions, aiming to help organizations reduce costs and enhance operational efficiency. The company offers a range of products designed for DevOps and FinOps teams responsible for managing cloud usage within organizations.
About the Role
We’re looking for a highly experienced Senior Software Engineer with a strong backend orientation (≈70%) who is excited to take real ownership in a fast-growing product team.
This is a key engineering role within the team. You’ll be expected to dive deep into the product domain, influence technical decisions, and help raise the engineering bar - while also contributing hands-on across the stack, including frontend development in React (~30%).
While backend expertise is essential, we are looking for someone comfortable working end-to-end and capable of taking responsibility over product-facing flows.
What You’ll Do
- Design and build scalable backend services in Python within cloud-native, microservices architecture
- Take ownership of complex features end-to-end - from technical design to production
- Contribute to architectural decisions and help shape engineering standards within the team
- Develop and maintain frontend capabilities in React (~30%) as part of product feature delivery
- Work closely with Product and Design to translate complex cloud optimization logic into intuitive user experiences
- Integrate with major cloud providers (AWS, Azure, GCP)
- Improve system reliability, performance, and maintainability
- Participate in code reviews and contribute to a strong engineering culture
Requirements
- 6+ years of experience in software engineering
- Strong backend experience (Python/ Node.js)
- Experience designing and building scalable distributed systems
- Hands-on experience with React in production environments
- Experience working in cloud environments (AWS, Azure, or GCP)
- Solid understanding of APIs, microservices, and modern system design
- Strong ownership mindset and ability to operate independently within a team
Nice to Have
- Experience building SaaS or DevOps-oriented products
- Experience stepping into technical leadership within a team
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