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Principal Architect (CXOS)

Circles
US Remote, United States, United StatesRemotefull_timeVerifiedPosted 2 Jul 2026

About the role

Founded in 2014, Circles is a global technology company reimagining the telco industry with its innovative SaaS platform, empowering telco operators worldwide to effortlessly launch innovative digital brands or refresh existing ones, accelerating their transformation into techcos.

Today, Circles partners with leading telco operators across multiple countries and continents, including KDDI Corporation, Etisalat Group (e&), AT&T, and Telkomsel, creating blueprints for future telco and digital experiences enjoyed by millions of consumers globally.

Besides its SaaS business, Circles operates three other distinct businesses:

  • Circles.Life: A wholly-owned digital lifestyle telco brand based in Singapore, Circles.Life is powered by Circles’ SaaS platform and pioneering go-to-market strategies. It is the digital market leader in Singapore and has won numerous awards for marketing, customer service, and innovative product offerings beyond connectivity.

  • Circles Aspire: A global provider of Communications Platform-as-a-Service (CPaaS) solutions. Its cloud-based Experience Cloud platform enables enterprises, service providers and developers to deliver and scale mobile, messaging, IoT, and connectivity services worldwide.

  • Jetpac: Specializing in travel tech solutions, Jetpac provides seamless eSIM roaming for over 200 destinations and innovative travel lifestyle products, redefining connectivity for digital travelers. Jetpac was awarded Travel eSIM of the Year.

Circles is backed by renowned global investors, including Peak XV Partners (formerly Sequoia), Warburg Pincus, Founders Fund, and EDBI (the investment arm of the Singapore Economic Development Board), with a track record of backing industry challengers.

 Principal Architect (CXOS)

Job Description

As a key member of our team, your responsibilities include:

  • Layout the platform architecture vision and strategy to build out the Circles-X Operating System (CXOS) to be a truly SaaS telco operating system.

  • Derive the short-, medium- and long-term platform architectural roadmap with a robust/scalable architecture which provides the foundation in a truly extensible manner to successfully navigate our SaaS journey.

  • Continuous monitoring of the architectural vision, strategy, roadmap, KPIs/OKRs and reporting the RAG status to the senior management at suitable intervals

  • Provide architectural leadership and guidance, review and establish architectural principles to engineering and all stakeholders.

  • Produce validated comprehensive architectural documentation and make them readily available to engineering teams.

  • Ensure the architectural roadmap is fully aligned with the delivery plans

  • Making sure that the architectural designs are viable both technically and commercially

  • Be responsible for resolving architectural limitations/issues with zero/minimal impact to the deliveries

  • Proactively identify R&D needs to be competitive in the market and drive the execution of the same

  • Collaborate with internal and external stakeholders to bring out the best solution viable both technically and commercially

  • Proactively identify deployment, performance and security issues by closely collaborating with DevOps/InfoSec/Perf and Scale teams

  • Bring in industry best practices such as architectural auditing, quality gates, etc into the organization and come up with implementation plans.

  • Evaluation and approval of any 3rd party software ne

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Company

Circles

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