Note: The job is a remote job and is open to candidates in USA. Cresta is on a mission to turn every customer conversation into a competitive advantage by unlocking the true potential of the contact center. As a Senior Fullstack Engineer, you’ll play a key role in building and scaling the no-code platform that powers Cresta’s processing capabilities, enabling customers to unlock value from conversations quickly and flexibly.
Responsibilities
- Design, develop, and maintain end-to-end features for Cresta’s no-code 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
Skills
- Proven experience as a Senior 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
Benefits
- Comprehensive medical, dental, and vision coverage with plans to fit you and your family
- Flexible PTO to take the time you need, when you need it
- Paid parental leave for all new parents welcoming a new child
- Retirement savings plan to help you plan for the future
- Remote work setup budget to help you create a productive home office
- Monthly wellness and communication stipend to keep you connected and balanced
- In-office meal program and commuter benefits provided for onsite employees
Company Overview
Cresta uses artificial intelligence to assist sales and service agents in the quality of customer service. It was founded in 2017, and is headquartered in Sunnyvale, California, USA, with a workforce of 201-500 employees. Its website is https://www.cresta.com.Company H1B Sponsorship
Cresta has a track record of offering H1B sponsorships, with 2 in 2026, 9 in 2025, 6 in 2024, 2 in 2023, 10 in 2022, 4 in 2021, 3 in 2020. Please note that this does not guarantee sponsorship for this specific role.