--- title: 'Senior Software Test Automation Engineer at Lumilens' canonical: 'https://feeny.ai/job/senior-software-test-automation-engineer-lumilens-bengaluru-rg0gjwn8wkm1' type: 'job' last_seen: '2026-10-19' --- # Senior Software Test Automation Engineer at Lumilens - **Company:** Lumilens - **Location:** Bengaluru, India - **Employment:** full-time - **Work type:** onsite - **Posted:** 2025-09-25 - **Last confirmed live:** 2026-10-19 - **Apply:** https://jobs.ashbyhq.com/lumilens/268af14e-e0c6-429b-a088-7cff6923d639 ## Job description Senior Software Test Engineer - Software Automation ## 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 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 the Role As an Optical Product Test Engineer specializing in software automation, you will work on test automation and networking protocols. You will help validate complex systems at Layer 1 and Layer 2 using tools like Ixia and build Python based frameworks. ## Key Responsibilities - Develop, maintain, and execute automated test cases in Python. - Perform functional, regression, and performance testing on Layer 1 and Layer network systems. - Validate hardware and software integration with optical interfaces and network switches. - Configure and use traffic generators (e.g., IXIA) to simulate network environments and evaluate performance. - Collaborate with developers and hardware engineers to identify, reproduce, and resolve defects. - Document test cases, results, and defects in test management tools. - Maintain code and test assets in version control systems (GitHub or Bitbucket). Continuously improve test frameworks and methodologies. - Collaborate with design engineer and manufacturing teams to define and develop the test software for the high volume manufacturing of the high-end optical component manufacturing - Closely collaborate with engineering teams to improve manufacturing yield, efficiency and cost - Owner of Manufacturing test scripts creating, maintaining, changing control. - Manage manufacturing software change control processes, system, through the execution. - Collaborate with software engineer, IT and database to define the better solutions of manufacturing test data in reliability, reasonable cost, high efficiency and scalability. Required Skills & Qualifications - Bachelor's or Master’s degree in Computer Science, Electronics, Telecommunications, or related field. - 4–8 years of hands-on experience in software testing and test automation of products used in optical networking. - Strong proficiency in Python for test automation. - Good understanding of Layer 1 and Layer 2 networking protocols. - Experience with optical testing, network switches, and traffic generators like IXIA. - Ability to debug issues in complex networking environments. - Experience with Jenkins or ArgoCD other CI/CD tools. - Familiarity with Shell scripting for automation and environment setup. - Exposure to C# for UI validation or tool development is a plus. Education & Background: - Bachelor’s degree in Electrical Engineering, Computer Engineering, Physics, or related field. - Experience in automated test system development for electronics and optics manufacturing. - Experienced in optical products testing equipment and coding. - Knowledge and experience in the optical transceiver manufacturing will be plus. Technical Skills: - C# .NET (Framework or Core). - Familiar with OOP concepts such as class, interface, inheritance and polymorphism. - Familiar with Windows Form or WPF. - Hardware communication protocols: NI-VISA, SCPI, RS-232, TCP/IP. - Experienced in test instruments such as optical oscilloscopes, optical power meters, optical switches and network switches. - Database integration: SQL, NoSQL for test data logging and analysis. - Version control tools: Github, Bitbucket or SVN. - Experience with optical transceivers, especially silicon photonics (SiPh), is a plus - Good command in English communication both verbal and written. And other communication skills, including in-person and virtual presentation skills. ## What we offer - Competitive salary commensurate with experience. - Comprehensive benefits package including health insurance. - Professional development opportunities and certification support. - Access to cutting-edge technology and cloud platforms. - Collaborative work environment with cross-functional teams. - 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 - [Assistant Office Manager](https://feeny.ai/job/assistant-office-manager-lumilens-singapore-1tjkd9e9cb50) — Singapore - [Senior/Staff Quality Assurance Engineer or Manager (Foundry)](https://feeny.ai/job/senior-staff-quality-assurance-engineer-or-manager-foundry-lumilens-singapore-j9ar8p5h8xf2) — Singapore - [Senior/Staff Process Engineer (Wafer Dicing & Back-grind)](https://feeny.ai/job/senior-staff-process-engineer-wafer-dicing-back-grind-lumilens-singapore-x7ndepxkpsq1) — Singapore - [Office Manager & Receptionist, Bulim Square](https://feeny.ai/job/office-manager-receptionist-bulim-square-lumilens-bulim-square-5rtrx7vmh8jh) — Bulim Square - [Staff Wafer-level Testing Engineer (Operations & Process)](https://feeny.ai/job/staff-wafer-level-testing-engineer-operations-process-lumilens-singapore-cvp2fdz9w4qr) — Singapore - [Staff Wafer-Level Testing Equipment Engineer](https://feeny.ai/job/staff-wafer-level-testing-equipment-engineer-lumilens-singapore-2p0ya27rda60) — Singapore - [Senior/Staff Process Engineer (Flip Chip)](https://feeny.ai/job/senior-staff-process-engineer-flip-chip-lumilens-singapore-64nme1rs25n7) — Singapore - [Analog and Mixed Signal Layout Engineer](https://feeny.ai/job/analog-and-mixed-signal-layout-engineer-lumilens-bengaluru-q6btv6ff4bmv) — Bengaluru, India - [Staff Optical Manufacturing Test Engineer - Hardware Automation](https://feeny.ai/job/staff-optical-manufacturing-test-engineer-hardware-automation-lumilens-singapore-51qrkg10850n) — Singapore - [Network Engineer](https://feeny.ai/job/network-engineer-lumilens-singapore-x7v553v4jvh2) — Singapore