Role Description Senior technical leader for ARIP Layer 6 — 10 persona-facing surfaces including Builder Studio (E-08, Wave 1), Supplier Portal (E-03, Wave 2), Workbenches, Exec Dashboard, Governance Console (12 modules), and Copilot. Owns front-end architecture, ARIP design system, WCAG 2.2 AA accessibility, client-side performance SLOs, and partnership with UX Designer. Leads 1–2 Senior SWEs and 1 UX Designer. Remote candidates outside of Thailand are welcome to apply. Key Responsibilities - Own Layer 6 reference architecture: front-end framework (React / Next.js), state management, design system, API layer; author ADRs; participate in Architecture Review Board. - Deliver Builder Studio (E-08) MVP at Wave 1 launch (pre-Oct 2026) for P7 Vichit — agent scaffold, eval harness integration, deploy to staging runtime. - Lead Supplier Portal (E-03) web + mobile for Wave 2 (Oct 2026–Mar 2027), targeting ≥60% supplier onboarding-time reduction. - Build Workbench surfaces (E-01/02/04/06) across W2–W4; Exec Dashboard (E-05) with Causal Insight in W3; Governance Console (E-09, 12 modules) incrementally. - Establish and own ARIP design system + component library; mandate WCAG 2.2 AA across all surfaces with CI gates for accessibility regressions. - Own client-side performance SLOs (LCP P75 < 2.5s, INP, CLS) and client-side observability (Sentry / Datadog RUM). Qualifications - 8+ years front-end engineering. - 3+ years as Tech Lead / Staff owning multi-surface production platforms (3+ distinct surfaces). - Production React / Next.js at staff level; TypeScript; design system / component library ownership at scale with semver versioning. - Accessibility (WCAG 2.2 AA) embedded in production CI gates — not advisory; runs a11y audits, trains engineering team. - Mobile experience: at least one production mobile-parity surface (web mobile + RN or native); performance discipline (LCP / INP / CLS / bundle budgets). - AI / Copilot surface design preferred (Builder Studio, Governance Console analogues); front-end observability (error tracking, RUM) in production. - Calibre: Staff/Principal Front-End Engineer from Agoda, Grab, Shopee, LINE MAN Wongnai, or international platform with multi-surface product experience.

• Design and develop high-load distributed systems • Create efficient and scalable solutions capable of handling large volumes of data and requests • Work on gaming logic and platform infrastructure • Monitor system performance and ensure reliability • Collaborate with cross-functional teams to align technical solutions with business goals and user needs

• Have significant scope and decision-making responsibility • Design and implement infrastructure to enable autonomous vehicle development, including: • Large-scale distributed simulation execution • Ingest, processing, and organization of petabyte-scale datasets • GPU-accelerated distributed computing for data preparation and training • Design and implement robot data and metrics pipelines • Collaborate with core autonomy teams: motion planning, perception, and simulation

• Responsible for designing, building, and maintaining custom software solutions. • Works closely with both the product owner and development team to deliver high quality software to meet stakeholder requirements. • Makes the team better by helping others when needed, providing ideas during the planning/refinement process, and encouraging discussion and collaboration with other developers. • Follows all company standards and processes without supervision. • Aligns with the business to architect and implement enterprise-level software that puts the customer first. • Collaborates with teammates to produce sophisticated designs and quality products. • Participates in Scrum teams to build and maintain efficient, reusable, and reliable code using a cloud-first approach. • Participates in Agile Scrum ceremonies (e.g. sprint plans, backlog grooming, and retrospective two-week sprints).