Fractile is building silicon, systems, and software which will redefine the frontier of AI: running the world’s most advanced models at radically higher speed and lower cost. We have an exceptional team across hardware and software capable of bringing about this change, and we are growing fast to meet demand and deliver our product at scale.

About Fractile

Fractile is building next-generation AI compute infrastructure designed to dramatically improve performance-per-watt and unlock new efficiency frontiers for large-scale inference. Our hardware pushes the boundaries of high-speed design, power density, and system integration.

We are looking for a PCBA Product Engineer to help industrialise our advanced AI accelerator boards and scale production with world-class manufacturing partners in Taiwan.

This is a critical, high-ownership role at the core of our hardware execution strategy.

The Role

You will take complex, high-performance PCBAs from prototype through mass production — working at the intersection of hardware design, manufacturing engineering, and supplier execution.

This role requires deep experience with:

• High-layer-count, high-speed boards
• Advanced PCB stackups
• Fine-pitch BGA assembly
• High-current power delivery
• Taiwan-based PCB fabs and SMT partners

You will not only execute builds — you will shape how Fractile scales hardware manufacturing.

What You’ll Do

1. Drive AI Board Industrialisation

• Own PCBA readiness from EVT → DVT → PVT → MP.
• Lead DFM / DFA / DFT reviews for high-speed AI accelerator boards.
• Partner with design engineering to proactively eliminate manufacturability risk.
• Support board bring-up and rapid iteration cycles.

1. Work Closely with Taiwan Manufacturing Partners

• Validate SMT process windows for fine-pitch, high-thermal-mass components.
• Be physically present during builds to drive real-time issue resolution.
• Ensure strong process control and ramp readiness.

1. Own Yield and Quality Metrics

• Drive first-pass yield (FPY) and DPPM improvements.
• Lead structured root cause analysis (8D, RCCA).
• Support reliability validation (thermal cycling, power cycling, environmental stress).

1. Build Scalable Manufacturing Systems

• Establish documentation, control plans, and ECO processes appropriate for a scaling startup.
• Improve traceability and production data visibility.
• Partner with supply chain on cost-down and second-source strategy.

What We’re Looking For

Required Experience

• 5+ years in PCBA Product Engineering, NPI, or Manufacturing Engineering.
• Experience industrialising complex, high-density PCBAs.
• Strong knowledge of:
• 12+ layer stackups
• Controlled impedance
• HDI (blind/buried vias)
• Fine-pitch BGA assembly
• High-power board considerations
• Hands-on factory experience with Taiwan PCB fabs and SMT partners.
• Fluent Mandarin and English.

Strongly Preferred

• Experience with AI accelerators, GPUs, server boards, or high-performance compute.
• Exposure to high-speed interfaces (PCIe, DDR, high-current rails).
• Experience scaling from prototype to volume production.
• Startup or fast-growth hardware environment experience.

Who You Are

• You take full ownership of outcomes, not just tasks.
• You are comfortable on the factory floor solving problems in real time.
• You think systematically but move quickly.
• You identify risks before they become production issues.
• You thrive in high-performance, technically rigorous environments.

What Success Looks Like at Fractile

• Smooth NPI transitions with minimal yield loss.
• Strong first-pass yield at ramp.
• Reduced DFM escapes before production freeze.
• Tight collaboration between design and manufacturing.
• Manufacturing processes that scale as Fractile scales.

About us

• Founded in 2022, team of 70+, which is expanding rapidly
• Modern, open offices in London and Bristol
• Collaborative, problem-solving culture built on deep curiosity, entrepreneurial initiative and technical fluency

Export control and security clearance

Certain roles may involve working on technologies subject to export restrictions. Applicants may be required to undergo additional eligibility checks to ensure compliance with applicable law.

Fractile is building silicon, systems and software which will redefine the frontier of AI: running the world’s most advanced models at radically higher speed and lower cost. We have an exceptional team across hardware and software capable of bringing about this change, and we are growing fast to meet demand and deliver our product at scale.

At this level of compute density and bandwidth, manufacturing precision is a competitive weapon. Yield, ramp velocity, and supplier performance are not operational details — they determine whether we win.

We are hiring a Senior Silicon Substrate & Packaging Manufacturing Engineer to own packaging manufacturing execution in Taiwan and drive our products from first silicon through high-volume production.

This is a high-accountability role with direct impact on the company's trajectory.

The Role

You will be Fractile’s senior manufacturing authority in Taiwan for substrate and package assembly.

You will:

• Own packaging yield and ramp performance.
• Lead manufacturing strategy with OSATs and substrate suppliers.
• Drive structured problem-solving under schedule pressure.
• Build scalable manufacturing discipline in a startup environment.

You are not coordinating — you are deciding, driving, and delivering.

What You’ll Own

Manufacturing Strategy & NPI Leadership

• Define packaging manufacturing readiness criteria from EVT through HVM.
• Lead NPI builds (EVT/DVT/PVT) with clear yield and quality targets.
• Identify scaling risks early (process capability, warpage, cycle time, substrate constraints).
• Influence package decisions based on manufacturability and ramp risk.

Yield & Excursion Leadership

• Own assembly yield targets and improvement roadmaps.
• Lead deep root-cause analysis across OSAT and substrate partners.
• Drive implementation and validation of permanent corrective actions.
• Establish data-driven monitoring (SPC, Cpk, excursion response frameworks).

Supplier Performance Management

• Act as the senior technical escalation point for OSAT and substrate vendors.
• Set performance expectations and hold partners accountable.
• Drive continuous improvement in:
• Yield
• Cycle time
• Process capability
• Cost structure
• Build strong working relationships while maintaining high standards.

Reliability & Production Robustness

• Own qualification execution and reliability closure.
• Ensure packaging robustness under high current density and AI workloads.
• Drive failure analysis across material, assembly, and process domains.
• Prevent repeat escapes by strengthening process controls.

Ramp to High Volume

• Define ramp plans and yield maturation curves.
• Track ramp health and escalate risk to leadership early.
• Partner with supply chain to mitigate substrate and capacity risks.
• Lead post-ramp cost-down and yield stabilization initiatives.

What We’re Looking For

• 8+ years in semiconductor packaging manufacturing or product engineering.
• Proven experience ramping complex FC-BGA or advanced packages to volume.
• Deep understanding of:
• Flip-chip assembly flows
• Large body substrate warpage control
• Underfill and reliability interactions
• Assembly defect pareto analysis
• SPC and process capability metrics
• Strong track record working directly with Taiwan OSATs and substrate vendors.
• Demonstrated ownership of yield improvement programs.

Strong Plus

• Experience with large AI / HPC ASICs.
• Exposure to 2.5D or high-bandwidth memory packaging.
• Experience ramping first-generation silicon in a startup or fast-scaling environment.
• Fluent Mandarin and English.

What Senior Means at Fractile

At Fractile, “Senior” means:

• You operate independently.
• You escalate before problems become crises.
• You make principled tradeoffs between performance, yield, cost, and schedule.
• You can walk into a supplier factory, diagnose issues, and drive alignment.
• You think beyond the build in front of you and design systems that scale.

Why This Role Is Critical

Packaging yield and ramp speed directly impact revenue, customer commitments, and strategic momentum.

This role ensures:

• First silicon does not stall.
• Ramp is predictable.
• Suppliers perform at our standard.
• Manufacturing becomes a competitive advantage.

If you perform well in this role, you will shape how Fractile scales its hardware globally.

About us

• Founded in 2022, team of 70+, which is expanding rapidly
• Modern, open offices in London and Bristol
• Collaborative, problem-solving culture built on deep curiosity, entrepreneurial initiative and technical fluency

Export control and security clearance

Certain roles may involve working on technologies subject to export restrictions. Applicants may be required to undergo additional eligibility checks to ensure compliance with applicable law.

Toast creates technology to help restaurants and local businesses succeed in a digital world, helping business owners operate, increase sales, engage customers, and keep employees happy.

Operations Program Management (OPM) Team

Toast is driven by building the restaurant platform that helps restaurants adapt, take control, and get back to what they do best: building the businesses they love. As we scale our hardware operations, we are looking for a dedicated Materials Program Manager/Analyst to provide deep supply chain visibility, materials oversight, and financial reporting support for our OPM team — allowing our broader operations team to stay focused on strategic execution and uninterrupted supply continuity.

A day in the life (Responsibilities) 

• Supply Chain Tier Management: Partner with CMs on Clear-to-Build (CTB) analysis and provide visibility into materials supply, projected coverage, and constraints across supply chain tiers.
• Allocation Strategy & Reconciliation: Develop data-driven allocation strategies for supply-constrained environments and standardize material allocations between Toast and CM vendors to prevent shortfalls and miscommunications.
• Non-Standard Process & Inventory Oversight: Manage protocols for consigned inventory and non-standard material handling, including coordination of shipments, POs, and reconciliation for high-value components sourced through third-party brokers.
• Excess & Obsolete (E&O) Risk Management: Proactively identify E&O inventory risks and present mitigation plans to leadership; support EOL transitions and next-generation component integration roadmaps.
• Financial Reporting & Analytics: Act as the primary liaison for material reporting needs from Finance and Accounting, maintaining dashboards that provide cross-organizational visibility including PO cost tracking.
• Cross-Functional Alignment: Drive alignment with Demand Planning and Strategic Sourcing to optimize material allocation, reduce procurement costs, and support supply/demand decision-making.
• Work mode: Hybrid (2-3 days in Office)

What you'll need to thrive (Requirements)

• 5+ years of experience in supply chain, materials management, or operations within the semiconductor, PCBA, or contract manufacturing industry
• Demonstrated experience managing consigned inventory, third-party broker relationships, and multi-party purchase order coordination
• Proficiency in CTB analysis, materials planning, and supply/demand modeling
• Strong background in financial reporting and cross-functional collaboration with Finance and Accounting teams
• Experience developing allocation strategies in supply-constrained environments across multiple programs or lines of business
• Proven ability to identify and mitigate E&O and EOL risks at scale
• Excellent analytical skills with experience building and maintaining supply chain dashboards and reporting tools
• Strong communicator with the ability to synthesize complex materials data for both operational and executive audiences

Special Sauce (Nice to Haves)

• Experience working with memory components (DRAM, NAND) and familiarity with memory supply chain dynamics
• Background supporting hardware or IoT product supply chains
• Familiarity with Contract Manufacturing relationships
• Experience in a high-growth technology company managing supply chain complexity at scale
• Proficiency with ERP systems (e.g., SAP, Oracle) and supply chain analytics tools

AI at Toast

At Toast, one of our company values is that we're hungry to build and learn. We believe learning new AI tools empowers us to build for our customers faster, more independently, and with higher quality. We provide these tools across all disciplines, from Engineering and Product to Sales and Support, and are inspired by how our Toasters are already driving real value with them. The people who thrive here are those who embrace changes that let us build more for our customers; it’s a core part of our culture.

Our Total Rewards Philosophy 
We strive to provide competitive compensation and benefits programs that help to attract, retain, and motivate the best and brightest people in our industry. Our total rewards package goes beyond great earnings potential and provides the means to a healthy lifestyle with the flexibility to meet Toasters’ changing needs. Learn more about our benefits at https://careers.toasttab.com/toast-benefits.

ABOUT THE TEAM

The Taiwan Team at Anduril is responsible for capturing and expanding business in Taiwan. The team networks across the company and customers to orchestrate operations across business lines and functional areas to deliver technology to Taiwan. The team is comprised of Business Development, Program Management, Operations and Supply Chain professionals responsible for delivering capability at scale in a timely manner.

WHAT YOU’LL DO

• Strategic Leadership & Customer Engagement: Partner with the Taiwan Country Lead to define and execute the country strategy, driving capture efforts, effective customer engagement, and ensuring clarity and focus across a broad portfolio of programs, recruiting, and regional initiatives.
• Operational Excellence & Scaling: Lead the resolution of complex business operations problems to ensure smooth scaling in Taiwan and the broader region. Facilitate cross-functional collaboration, overseeing program planning, budget management, import/export of technology, and overall operational efficiency.
• Enable Business Lines & Cohesive Execution: Unify and enable Anduril's Divisions and Business Lines operating in Taiwan, providing critical onboarding, customer expertise, planning support, and communications. Drive coherent cross-business line execution, converting pilot programs to programs of record, ensuring excellent sustainment, and representing product/engineering needs.
• Localization & Industrial Base Development: Spearhead effective localization efforts in close partnership with Supply Chain, Production, Deployments, and Sustainment teams. Develop local capacity and resilience, contribute to the industrial base, and establish strategic partnerships to shore up Anduril’s long-term success and longevity in-country.
• Infrastructure, Facilities & Security: Establish and scale the necessary physical and operational infrastructure across the region. This includes facilities management (upgrades, new developments, operational performance), and robust security measures (physical, personnel, and information systems) in collaboration with HQ SMEs.
• Logistics & Hardware Oversight: Direct logistics operations, including shipping, inventory management, and last-mile delivery of hardware assets, ensuring seamless support for in-country programs.
• Export Control & Regulatory Compliance: Ensure strict adherence to all export regulations (e.g., EAR, ITAR) and other local and international compliance requirements for hardware and knowledge transfers, working closely with Anduril’s legal and compliance teams.
• Talent & Team Development: Champion local hiring, conduct headcount analyses, and oversee talent development initiatives, including mentoring, performance measurement, and career progression, fostering a strong Anduril culture in the region.
• Brand & External Representation: Act as a key representative for Anduril to customers, partners, and the public, embodying our ethos and effectively communicating our innovative approach to next-generation defense technology. Work with Communications and USG agencies to develop Anduril's brand in-country.

REQUIRED QUALIFICATIONS

• You have 8+ years of varied experience in an operating role at a high-growth technology company, starting a venture, or in finance or consulting
• You have excellent written and communication skills, and have the ability to communicate in both English and Mandarin
• You love solving complex, ambiguous, cross-functional problems in a people-centric way
• You’re both high ownership and low ego, approaching everything with strong outcome orientation and high humility
• You’re highly detail oriented and data-driven
• You’re discerning and an incredibly fast learner
• Ability to obtain and hold a Taiwanese government security clearance

PREFERRED QUALIFICATIONS

• Previous military or government experience, or experience working with government and/or defense customers
• Previous experience working in the tech industry
• Experience managing technical projects
• Technical acumen and deep familiarity with AI and autonomous systems

Location: [Taiwan] 

We Are: 

RTB House is a next-generation performance demand-side platform (DSP) that uses proprietary Deep Learning AI algorithms to help brands grow. The company is the market leader in driving performance using Deep Learning across the entire purchase funnel. 

Founded in 2012, and now operating in 90+ markets, RTB House has always been private-by-design. It embraces first-party advertising and a relentless approach to innovation. RTB House offers end-to-end Deep Learning-powered AdTech products and solutions to maximize conversion, drive new customer acquisition, create engagement, and fuel long-term demand for a global base of clients.

You Will:

• Analytical Support & Insights
  • Partner with the Account Management team to provide data-driven insights that support revenue, margin, and performance optimization
  • Analyze data from internal systems and translate findings into clear, actionable business recommendations
• Reporting & Data Solutions
  • Design, build, and maintain scalable reporting and dashboard solutions for key stakeholders
  • Translate local market business requirements into structured data outputs and reporting frameworks
• Process Design & Optimization
  • Conceptualize, recommend, and implement standardized guidelines and repeatable processes to improve efficiency and consistency
  • Identify opportunities to streamline workflows and enhance operational performance
• Data Governance
  • Ensure data accuracy, consistency, and integrity across systems and reporting outputs
  • Establish best practices for data validation and ongoing quality control
• Cross-functional Collaboration
  
  • Lead and coordinate cross-functional initiatives (e.g., AM, Sales, Tech) to improve business operations across the Greater China region

Desired Experience: 

• 5 years of experience in data-driven roles within adtech, finance, consulting, or performance / growth marketing
• Prior experience in analytical functions (e.g., analytics, FP&A, strategy, performance optimization) preferred
• Exposure to client-facing environments or stakeholder management is a plus
• Strong analytical thinking with the ability to translate data into actionable business decisions
• Proven experience working with core business metrics (e.g., revenue, margin, ROI, CAC) and making trade-off decisions
• High attention to detail with a structured approach to problem-solving
• Basic understanding of retargeting and the RTB model
• Familiarity with e-commerce and online advertising ecosystems, especially within APAC markets
• Advanced proficiency in Excel, PowerPoint, g-suite
• Working knowledge of SQL and/or Python is a plus
• Demonstrated ability to take ownership and drive initiatives end-to-end
• Proactive, self-driven, and comfortable working with ambiguity
• Experience collaborating across cross-functional teams (e.g., Sales, Product, Tech)
• Strong communication and stakeholder management skills
• Fluent in English (written and spoken

We Offer: 

• Unique opportunity to join an award-winning, fast-growing tech company
• Ability to work in a truly international environment and win the market with the best people
• Great environment for growth and professional development

Apply now! 

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