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