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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.
The nature of software development has changed significantly in the last year, and we’ve evolved how we build products. Our platform team builds and scales the core systems that power Jetpac’s consumer experience across 200+ countries.
This role is for engineers who:
think in systems, not just features
operate with high ownership
can define what “good” looks like across reliability, performance, and developer velocity
We’ve reached meaningful scale and are rebuilding key parts of the platform to support the next phase of growth. You’ll work closely with engineers, product, design, and business teams to deliver foundational capabilities that unlock entire categories of product development.
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
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Improve observability, debugging, and system reliability
API performance and backend systems
Caching and data access patterns
Experimentation, analytics, and event pipelines
Localization and global readiness
Postgres, Redis or similar data stores
Caching and performance optimization techniques
Authentication and identity systems
Observability and monitoring tools
Event pipelines and analytics systems
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
Build internal workflows where AI systems assist in generating, testing, and validating production code Reduce development cycle time by creating repeatable AI-assisted engineering workflows
Evolve platform architecture to support new product categories and integrations
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
Technical Intro with CTO
Live Practical Assignment (build + explain your approach, including AI usage)
High ownership, low bureaucracy
Real product impact at global scale
Fast-moving team with strong engineering culture
Flexible work setup across global teams
Circles is committed to a diverse and inclusive workplace. We are an equal opportunity employer and do not discriminate on the basis of race, national origin, gender, disability or age.
By submitting an application for this position, you, as the applicant, or your authorised representative(s), consent to Circles’ Candidate Data Protection and Privacy Policy . You also agree to the collection, use, and/or disclosure of your personal data by us solely for recruitment purposes as specified in the Policy. You acknowledge that you have read and understood the Policy, are aware of your rights regarding your personal data, and accept the terms relating to international data transfers, where applicable. You further understand that you may withdraw consent at any time, which may affect our ability to consider your application. In instances where your personal data or application is submitted by a third party, it is understood that such third party has been duly authorised by you to disclose the relevant personal data and provide consent on your behalf, and that you have been made aware of this Policy.
To all recruitment agencies: Circles will only acknowledge resumes shared by recruitment agencies if selected in our preferred supplier partnership program.
Please do not forward resumes to our jobs alias, Circles, employees or any other company location. Circles will not be held accountable for any fees related to unsolicited resumes not uploaded via our ATS.
Singapore-based SaaS technology company that helps telecommunications operators launch and run digital brands.
Visit company websiteFull-time
Senior · 3+ years experience
Hybrid
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