Senior Fullstack Engineer - Opera

Job Description

Cresta is seeking a Senior Fullstack Engineer to contribute to the development and scaling of their no-code platform. The engineer will collaborate with designers, product managers, AI/ML teams, and data scientists to translate intricate requirements into user-friendly product experiences. They will also influence the future direction of the no-code architecture, ensuring its scalability.

Responsibilities:

• Design, develop, and maintain end-to-end features for Cresta’s no-code conversation processing platform.
• Build intuitive UI components and visual editors for configuring conversation logic and workflows.
• Architect and implement backend services and APIs to power a dynamic no-code interface.
• Work closely with ML engineers to expose conversation intelligence in an accessible and configurable way.
• Develop data models and storage layers using Postgres, ClickHouse, and Elasticsearch.
• Identify areas for performance improvements and scalability in both frontend and backend systems.
• Ensure reliability, security, and maintainability across the full technology stack.
• Participate in design discussions, code reviews, and continuous integration processes.

Qualifications:

• Proven experience as a Fullstack Engineer, with strong frontend and backend contributions to no-code or low-code platforms.
• Deep understanding of modern frontend technologies (React, TypeScript, etc.) and design patterns for building complex UIs.
• Backend expertise in Python, Go, or similar languages; experience with RESTful APIs and microservices architecture.
• Strong foundation in database systems and data modeling; hands-on experience with Postgres, ClickHouse, or Elasticsearch is a plus.
• Experience building platforms or tools for non-technical users, especially in AI/ML, automation, or workflow spaces.
• Familiarity with managing state, execution logic, or visual programming paradigms is a bonus.
• Strong collaboration and communication skills—able to work effectively across product, design, and engineering teams.
• Passion for building systems that simplify complex problems and empower users.