Senior Fullstack Engineer

About Zesty

Welcome to Zesty, a dynamic startup at the forefront of cloud optimization innovation! 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.

Position Overview: Senior Fullstack Engineer

As a Senior Fullstack Engineer, you’ll work on a greenfield product designed to automate cloud optimization across AWS, Azure, and GCP—giving customers better cost efficiency without sacrificing flexibility. You’ll be working across the stack, from designing smart APIs in Python to building modern and responsive interfaces in React. This is your chance to take ownership of architecture and help shape an innovative product.

Your Ownership Will Include

• Developing scalable, end-to-end features using Python and React.
• Designing and building RESTful APIs with performance, reliability, and maintainability in mind.
• Building elegant, intuitive UI components in React within a scalable micro-frontend architecture and shared component library.
• Collaborating with PMs, designers, and cloud experts to translate complex challenges into product features.
• Taking end-to-end ownership of key components, contributing to architecture and design decisions.
• Integrating with internal systems and external APIs, including major cloud platforms.
• Driving best practices in code quality, testing, automation, and CI/CD workflows.
• Participating in code reviews and fostering a high-standard engineering culture.

Requirements

• 6+ years of hands-on experience as a Fullstack developer.
• Strong backend experience with Python or Node.js.
• Proven frontend development experience with React.
• Experience working with cloud infrastructure (AWS, Azure, GCP).
• Solid understanding of REST API principles and microservices architecture.
• Experience with both SQL and NoSQL databases.
• Familiarity with CI/CD processes and Dockerized environments.
• Agile mindset with strong problem-solving and communication skills.

Nice To Have

• Passion for building elegant solutions to complex problems.

Why Zesty?

At Zesty, we're a team of driven, forward-thinkers passionate about pushing the boundaries of cloud optimization. Our culture encourages creativity, curiosity, and a willingness to embrace challenges.

We Care About

• Diversity & Inclusion: Be yourself! We welcome employees from all backgrounds and have created a workplace where everyone can feel empowered.
• Transparency: We share our success stories, failures, processes, numbers, and everything in between. If you want to know something that wasn't shared with you – just ask!
• One Team: We genuinely trust each other which enables us to act as one team working together toward the same mission. All team members are equally important.
• Open Communication & Feedback: When facing challenges, we always look for fresh ideas and ways to overcome them, and we embrace constructive feedback that can and should be given to anyone.
• Ego is out at the door: Ego obscures and disrupts everything: the planning process, the ability to take good advice, and the ability to accept constructive feedback. We operate with a high degree of humility.

Key skills/competency

• Fullstack Development
• Python
• React
• Cloud Optimization
• AWS, Azure, GCP
• RESTful APIs
• Microservices
• CI/CD
• SQL/NoSQL Databases
• Architecture Design