Fullstack Engineer

About Oneleet

Oneleet is one of the fastest-growing security and compliance platforms in history. We are on a mission to change the compliance and security industry by making cybersecurity and compliance effective, easy, and painless. We provide a platform that helps companies build, manage, and monitor their cybersecurity programs and achieve compliance standards such as SOC 2 and ISO 27001 efficiently, without cutting corners.

Having just raised a $33 million Series A , we are rapidly growing in customers and employees. Our team has decades of experience in security and compliance. Join our team of opinionated rebels and help us build a category-defining company reshaping the broken and fragmented compliance and cybersecurity industry.

Key Responsibilities:

• Build features end-to-end across backend (Go) and frontend (React/TypeScript)

• Design and implement APIs that power dashboards, workflows, and reporting

• Build UI components that present complex data clearly and drive user action

• Map complex backend data to clear, actionable interfaces

• Implement robust error handling and fallback behaviors for upstream service failures

• Optimize end-to-end performance, including caching, pagination, and query design for high-volume data

• Develop reusable patterns and components that scale across many areas of the platform

• Work directly with customers and design partners to understand how features are used and iterate rapidly

• Build monitoring and analytics to track feature usage, success rates, and user engagement

• Collaborate with AppSec, backend, and design on how data flows from services through to the UI

Qualifications:

• 2-4 years of fullstack software development experience with expertise in Go and JavaScript/TypeScript

• Strong experience building production APIs (REST and/or gRPC) and integrating with third-party services

• Proven track record of building responsive, intuitive user interfaces with modern JavaScript frameworks (React preferred)

• Experience with data transformation and mapping between different system formats

• Strong understanding of asynchronous programming patterns and API optimization techniques

• Solid debugging skills across the full stack — from backend services to frontend UI

• Experience with production monitoring, logging, and observability tools

• Experience gathering requirements from users and translating feedback into technical improvements

• Strong communication skills and comfort working directly with customers

• Ability to balance technical excellence with shipping features that provide immediate value