Senior Software Engineer - Platform (AI-Accelerated) - Jetpac

About Jetpac

Jetpac, from Circles, is building a seamless way for travelers to stay connected globally. We offer eSIMs across 200+ destinations with a fast-growing consumer platform spanning web, mobile, and partner channels targeting the travel essentials segment. We operate as a high-velocity product team. Small teams, fast decisions, and direct ownership. We ship continuously, iterate quickly, and measure what matters.

What You’ll Do

• Build and scale core consumer platform systems across web and backend
• Own features end-to-end: design, build, deploy, and iterate
• Use AI-assisted workflows across coding, testing, debugging, and review
• Structure workflows where AI can reliably generate and improve code
• Identify and solve bottlenecks in performance, reliability, and developer productivity
• Build shared components and internal tooling to improve team velocity
• Improve observability, debugging, and system reliability
• Focus Areas Include API performance and backend systems, Caching and data access patterns, Experimentation, analytics, and event pipelines, Localization and global readiness

Required Skills And Experience

• 3 – 5 years of professional software engineering experience
• Strong backend or full-stack fundamentals with experience building production systems
• Experience designing APIs, services, and scalable data models
• Strong product judgment able to balance speed, quality, and long-term maintainability
• Comfortable working in modern stacks (Python / Go)
• Experience with AWS cloud infrastructure

Critical Requirement

• Hands-on experience using AI-assisted or agent-based development workflows in real projects
• Ability to review, debug, and improve agentic AI-generated code
• Understanding of how to structure workflows so AI-generated output is reliable and production-ready
• Familiarity With Postgres, Redis or similar data stores, Caching and performance optimization techniques, Authentication and identity systems, Observability and monitoring tools, Event pipelines and analytics systems

Example Projects

• Redesign and scale the cart and checkout system to support multi-product flows and high concurrency
• Build a shared platform layer for rewards, pricing, and promotions across multiple product lines
• Improve page load performance and API latency across global markets
• Design observability systems to detect and debug issues in real time
• Create internal workflows where AI systems assist in generating, testing, and validating production code
• Evolve platform architecture to support new product categories and integrations

What Success Looks Like

• You deliver high-quality features in days, not weeks
• You reduce system complexity while improving performance and reliability
• You proactively identify and solve bottlenecks
• You increase overall team velocity through better systems and workflows

Hiring Process

• Technical Intro with CTO
• Live Practical Assignment (build + explain your approach, including AI usage)

Why Jetpac

• High ownership, low bureaucracy
• Real product impact at global scale
• Fast-moving team with strong engineering culture
• Flexible work setup across global teams