JavaScript Software Engineer Jobs

SpaceX is seeking a senior full stack software engineer to build reliable, mission-critical applications supporting launch operations, Starship manufacturing, and the global Starlink network. The role offers broad ownership across software architecture, development, product delivery, and performance optimization.

Build full-stack software that supports SpaceX’s launch operations, Starship manufacturing, and Starlink’s global network. This onsite role offers ownership of mission-critical applications across the full software development lifecycle.

Own Peregrine’s marketing website and growth systems, combining frontend engineering, content automation, personalization, and experimentation to increase visibility and conversion. This role partners closely with marketing, content, brand, and design to build scalable digital growth experiences.

Build and scale application security for WRITER’s enterprise AI platform, protecting AI agents, data pipelines, model-training environments, and customer-facing services. The role combines threat modeling, secure architecture, automated security controls, code review, and penetration testing while partnering closely with engineering teams.

Build application security foundations for WRITER’s enterprise AI platform, protecting AI agents, data pipelines, model-training environments, and customer-facing systems. You’ll lead threat modeling, secure architecture, automated security controls, code reviews, and penetration testing from WRITER’s London office.

Build scalable machine learning platform services that support model operations, data workflows, governance, and developer experience at JPMorgan Chase. The role also develops reliable LLM-powered capabilities and cloud-native applications.

Join Pantheon as a Software Engineer II building an early-stage, real-time collaborative content platform for the modern web. You’ll work across the full stack, shape architecture, and ship features alongside a small senior team.

Pantheon is seeking a Software Engineer II to build end-to-end features for a real-time, collaborative web content platform. This full-stack role offers meaningful influence over product direction and architecture on an early-stage team.