---
title: 'Country Controller at Lumilens'
canonical: 'https://feeny.ai/job/country-controller-lumilens-chon-buri-g1nfdy3neavt'
type: 'job'
last_seen: '2026-09-07'
---

# Country Controller at Lumilens

- **Company:** Lumilens
- **Location:** Chon Buri, Thailand
- **Employment:** full-time
- **Posted:** 2026-06-02
- **Last confirmed live:** 2026-09-07
- **Apply:** https://jobs.ashbyhq.com/lumilens/64b490c6-8b1a-4603-96d1-5083ba06b354

## Job description

## ABOUT LUMILENS

At Lumilens we are building the critical photonics infrastructure that powers tomorrow’s AI supercomputing. From chip-to-chip optical interconnects to scalable photonic engines, Lumilens is unlocking a new era of computing - faster, cooler, and massively more efficient.

We’re a well-funded startup backed by Mayfield and led by veterans who’ve built and scaled some of the most transformative technologies in the industry. At Lumilens, we’re developing high-speed photonics products purpose-built to power the future of AI infrastructure and high-performance computing.

This isn’t an incremental innovation; it’s a ground-floor opportunity to rethink the optical layer from the silicon up. You’ll work alongside a team of world-class engineers, solving some of the hardest challenges in scaling optical systems. Every line of code, every design decision, every breakthrough you help deliver will shape the infrastructure of tomorrow.

If you're looking for mission, momentum, and the chance to make an outsized impact, jump on the rocket ship. We’re just getting started.

## About Lumilens

At Lumilens, we are building the critical photonics infrastructure powering the next generation of AI supercomputing. From chip-to-chip optical interconnects to scalable photonic engines, our technology enables faster, cooler, and dramatically more efficient systems. Backed by leading investors and built by industry veterans, we are scaling rapidly to bring cutting-edge silicon photonics into high-volume production.

## The Role

This is a high-impact leadership role for a finance professional who wants to operate at the center of manufacturing, supply chain, and strategic decision-making. As Country Controller, you will serve as the key finance partner to our Thailand operations, helping shape how Lumilens scales manufacturing capability, drives cost discipline, and builds a resilient global supply chain. You will translate complex operational realities into clear financial insight, influence major investment decisions, and help leadership navigate growth with rigor and speed. For the right candidate, this is an opportunity to go well beyond traditional country finance, to play a visible role in building the financial and operational foundation of a next-generation deep-tech company.

## Key Responsibilities

- Own monthly close, balance sheet reconciliations, and management reporting for Thailand
- Manage statutory reporting under TFRS, corporate tax, VAT, and Revenue Department filings
- Liaise with external auditors and ensure clean audit outcomes
- Execute and continuously improve SOX controls at the Thailand entity
- Partner with local operations on cost controls, expense management, and working capital
- Manage payroll compliance, withholding tax, and local regulatory filings
- Coordinate with Group Tax on transfer pricing and intercompany matters
- Drive process standardization and automation across the local finance team

Required Qualifications

- CPA (Thailand CPA, US CPA, ACCA, or equivalent)
- 7-10 years of progressive finance and accounting experience
- SOX experience — hands-on execution and documentation
- Strong Thai accounting standards, tax, and regulatory knowledge
- English language proficiency — written and verbal

## Preferred Qualifications

- Technology / hardware / semiconductor / FMCG industry experience
- Manufacturing cost accounting exposure
- Track record of building and developing finance teams and processes from scratch.
- US MNC experience — controller or senior finance leader inside a US-headquartered multinational

## What We Offer

- A highly visible leadership role with the opportunity to shape financial and operational decisions in a fast-scaling, deep-tech manufacturing environment.
- The chance to work at the intersection of finance, operations, and advanced photonics technology—where your analysis directly influences investment, margin, and scale.
- Competitive compensation commensurate with experience, along with comprehensive health benefits.
- Meaningful exposure to cross-functional and global leadership teams across Singapore, Thailand, India, and the United States.
- Professional growth and development opportunities, including the ability to build processes, strengthen systems, and help define the next chapter of operations finance at Lumilens.
- A collaborative, ambitious environment where experienced operators can make an outsized impact and help build something category-defining from the ground up.

*Lumilens is an equal opportunity employer. All qualified applicants will receive consideration without regard to race, color, religion, gender, identity, orientation, veteran status, disability, or any other legally protected status.

## About Lumilens

## Company Overview
- **One-liner**: Lumilens designs and manufactures next-generation photonic interconnects to massively scale AI compute infrastructure.
- **Entity Type**: Private (Series B – led by Accton Technology; prior Series A of $30M from Mayfield and Spark Capital)
- **Headquarters**: San Jose, California, USA
- **Founded**: 2024
- **Founders**: Ankur Singla (CEO), Samuel Liu (VP Products), Ritesh Kapahi (VP/GM India), Dave Friedman (VP Operations)

## Core Business
- **Primary industry**: Photonics / optical interconnects for AI data centers
- **Target customers**: Large-scale AI providers and hyperscale data center operators (B2B, Enterprise)
- **Mission**: “To rapidly innovate in photonics and connectivity architectures to enable the massive scaling of compute infrastructure required to deliver the full potential of AI.”

## Products & Services
- **Photonic Interconnects (Scale-Out & Scale-Up)**: High-density, low-latency optical links that enable cluster-to-cluster and direct GPU-to-GPU connectivity. Supports 100x higher quantity of GPU direct connections than legacy approaches.
  - *Type*: Hardware (silicon photonics modules) + integrated manufacturing
- **Automated Manufacturing Platform**: End-to-end custom robotics and AI-optimized production processes to maximize yield, quality, and supply-chain flexibility.
  - *Type*: Service / Manufacturing capability (in-house)

## Market Standing
- **Valuation/Market Cap**: Not publicly available
- **Key Metric**: Total funding – $30M Series A (June 2024); Series B led by Accton Technology (amount undisclosed)
- **Notable Investors/Partners**: Mayfield, Spark Capital, Accton Technology
- **Growth Signals**:
  - Headcount grew 287% YoY (54 employees as of mid-2025) [linkedin.com]
  - Operations in 8 countries: USA, India, Thailand, Poland, Singapore, Czechia, South Korea, Malaysia
  - 48 active job postings (+23.1% monthly growth) [linkedin.com]
  - Leadership team with deep photonics/networking experience from Cisco, Juniper, Meta, Lumentum, Coherent

## Competitive Advantages
- **In-house silicon photonics development** – full control over design and supply chain
- **Systems-level expertise** – can partner on both scale-out and scale-up architectures
- **Manufacturing automation** – robotics + AI processes enable faster innovation, higher quality, and predictable deployment
- **Standards-based interconnects** – easy deployment into existing infrastructure
- **Manufacturing anywhere** – supply-chain continuity and scalable manufacturing

## Strategic Focus
- Enable massive scaling of AI infrastructure by overcoming electrical/copper limitations with advanced photonics
- Disaggregate GPUs to mitigate power and density challenges in data centers
- Expand manufacturing capacity globally and continue to automate production
- Align product roadmap with industry standards to accelerate adoption

## Why Work Here
- **Culture**: Fast-paced startup environment with deep technical expertise; mission-driven focus on enabling the future of AI
- **Work policy**: In-office (HQ San Jose, CA with Bengaluru, India as major hub) [builtin.com]
- **Perks**: Opportunity to work on cutting-edge photonics, robotics, and AI manufacturing; direct impact on world’s largest AI infrastructure
- **Engineering culture**: Heavy emphasis on silicon photonics, hardware design, robotics automation, and system-level architecture. Teams are led by veterans from Cisco, Juniper, Meta, Lumentum, Coherent.

## Sources
1. [lumilens.com](https://lumilens.com/) – Company overview, mission, leadership, products
2. [lumilens.com/company](https://lumilens.com/company) – Vision, investors, leadership team
3. [builtin.com](https://builtin.com/company/lumilens) – Career page, employee count, year founded, office policy
4. [linkedin.com](https://www.linkedin.com/company/lumilens) – Headcount, funding details, geographic/department breakdown, job trends, talent sources
5. [jobs.ashbyhq.com](https://jobs.ashbyhq.com/lumilens) – Current job openings (48 listings)

## Other roles at Lumilens

- [Staff Wafer-Level Testing Equipment Engineer](https://feeny.ai/job/staff-wafer-level-testing-equipment-engineer-lumilens-singapore-2p0ya27rda60) — Singapore
- [Sourcing Manager (Foundry & OSAT)](https://feeny.ai/job/sourcing-manager-foundry-osat-lumilens-singapore-26re9q580khj) — Singapore
- [Senior/ Staff NPI Wafer Bumping/Fan-Out Process Engineer](https://feeny.ai/job/senior-staff-npi-wafer-bumping-fan-out-process-engineer-lumilens-singapore-ma0tx35az5eq) — Singapore
- [Staff Wafer-level Testing Engineer (Operations & Process)](https://feeny.ai/job/staff-wafer-level-testing-engineer-operations-process-lumilens-singapore-cvp2fdz9w4qr) — Singapore
- [Optical Transceiver Product Engineer](https://feeny.ai/job/optical-transceiver-product-engineer-lumilens-thailand-f5tgy64vcaxr) — Thailand
- [Product Quality Engineer](https://feeny.ai/job/product-quality-engineer-lumilens-chon-buri-45vb6wx9tam7) — Chon Buri, Thailand
- [Analog Layout Lead](https://feeny.ai/job/analog-layout-lead-lumilens-san-jose-5fmv4e96vhpt) — San Jose, CA
- [IT Specialist](https://feeny.ai/job/it-specialist-lumilens-bengaluru-c85avweewvq3) — Bengaluru, India
- [IT Specialist Intern](https://feeny.ai/job/it-specialist-intern-lumilens-san-jose-psmknddggbz7) — San Jose, CA
- [Senior Staff Software Engineer, Data](https://feeny.ai/job/senior-staff-software-engineer-data-lumilens-san-jose-mxja907kewxx) — San Jose, CA