What happens after coding is solved? | Fiona Fung (Claude Code & Cowork)

What happens after coding is solved? | Fiona Fung (Claude Code & Cowork)

The Transformation of Software Engineering

Coding Efficiency and Ambition

  • Anthropic engineers are now shipping eight times more code per quarter compared to 2025, indicating a significant increase in productivity.
  • The bottleneck of coding has been lifted, leading to a new era where almost anything is theoretically possible; the focus shifts to ambition and initiative.
  • High agency among team members correlates with high accountability, emphasizing the need for freedom in coding while maintaining responsibility for outcomes.

Challenges in AI Integration

  • There is concern about the loneliness that can arise from working extensively with AI tools, as it may create a gap between those embracing AI and those resisting it.
  • Fear often accompanies frustration regarding AI advancements; individuals are encouraged to lean into their fears and identify what they can control.

Fiona Fung's Background

  • Fiona Fung leads Claude Code at Anthropic and has an extensive background in engineering, having worked at Microsoft on TypeScript and Visual Studio before moving to Meta.
  • At Facebook, she launched Marketplace, which generates over $100 billion annually. Her experience spans various roles across major tech companies.

Evolution of Engineering Practices

  • The role of engineers has drastically changed over recent years; previously all code was human-written but now AI plays a significant role.
  • Engineers must adapt their thinking as coding becomes less about writing lines manually and more about leveraging AI capabilities.

Historical Perspective on Tools

  • Reflecting on her career journey from IBM to Microsoft highlights how tools like IDEs have transformed software development practices significantly.
  • Early experiences with basic text editors like Vim contrasted sharply with later work using advanced IDE features at Microsoft.

Shifts in Software Delivery

  • The transition from shipping software on CDs to online distribution changed planning dynamics; deadlines became less rigid due to easier updates.
  • With coding no longer being the bottleneck, teams must rethink verification processes as multiple disciplines contribute code simultaneously.

Future of Software Teams

  • A vision for 2026 includes teams where everyone acts as builders; visibility into projects through cloud-based tools enhances collaboration and accountability.
  • Monthly reviews using cloud sessions allow managers like Fiona to engage directly with team outputs and feedback loops effectively.

Embracing Mistakes for Growth

  • Encouraging teams to "make new mistakes" fosters a culture of learning rather than fear of failure; this mindset promotes innovation within fast-paced environments.

Feedback Mechanisms

  • Daily rituals involving feedback channels help maintain quality control amidst increased output; automation aids in summarizing insights efficiently.

Code Review Innovations

  • Implementing Claude Code Reviews addresses previous bottlenecks by automating parts of the review process while still ensuring critical areas receive human oversight.

Hiring Trends

  • Current hiring focuses on two profiles: creative builders who understand product needs and deep systems experts who handle complex technical challenges.

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Journey into Programming and Overcoming Financial Fears

Early Interest in Technology

  • The speaker reflects on their high school experience, highlighting a typing class that sparked their interest in technology and programming.
  • They express a love for art and storytelling, realizing that computers and programming could enable them to create and share ideas.

Navigating Financial Concerns

  • The speaker discusses the anxiety surrounding university tuition costs, particularly for engineering school, emphasizing the uncertainty of financial aid.
  • A flyer from the National Bank of Canada offering high school internships as bank tellers provided an unexpected opportunity to alleviate financial concerns.

Gaining Work Experience

  • Despite disliking accounting in high school, the speaker took the bank teller job, which turned out to be beneficial for funding their education.
  • Working weekends as a bank teller allowed them to cover school expenses during a time when internships were scarce due to economic downturns.

Embracing Growth Mindset

  • The speaker emphasizes taking control through actionable steps to combat fear and anxiety about future uncertainties.
  • They share two favorite sayings: "What would you do if you're not afraid?" and "Do something scary once in a while" as motivators for personal growth.

Facing Fears and Embracing AI

Importance of Facing Challenges

  • A frequently quoted saying is shared: "The cave you fear contains the treasure you seek," underscoring the value of confronting fears.

Addressing AI Adoption Gap

  • The discussion shifts towards the growing divide between those embracing AI technologies versus those who are hesitant or resistant.
  • The speaker expresses passion for helping small businesses learn how to integrate AI into their operations effectively.

Personal Background Influencing Passion

Cultural Roots and Community Building

  • The speaker shares their background of moving from Hong Kong to Canada without knowing English, highlighting challenges faced by immigrant families.
  • Their grandmother played a crucial role in adapting to life in Canada, fostering community connections through local activities like knitting circles.

Discovering Small Business Value

  • A positive experience at a local yarn shop illustrates how small businesses can create community bonds, influencing the speaker's passion for supporting them.

Leveraging Technology for Small Businesses

Enhancing Business Operations with Tools

  • The speaker describes using Co-work software to streamline business travel expenses, recognizing its potential benefits for small business owners struggling with administrative tasks.

Feedback Loop with Users

  • Engaging friends who own restaurants led to discovering unique use cases for Coda software that improved operational efficiency through better document management.

Spreading Awareness About AI Tools

Encouraging Conversations Around AI

  • To bridge knowledge gaps about AI tools, starting conversations based on personal experiences can help demystify technology's impact on daily life.

Knowledge Sharing as Empowerment

  • Emphasizing knowledge sharing within communities can empower individuals who feel overwhelmed or resistant toward adopting new technologies like AI.

Anthropic’s Approach Towards Innovation

Identifying Market Opportunities

  • Anthropic is recognized for uncovering significant opportunities early on in areas such as coding and knowledge work automation.

Focus on Model Personality

  • There is an emphasis on understanding model personality traits which enhance user experience alongside intelligence.

Iterative Development Process

Listening To User Feedback

  • Continuous feedback loops are essential; observing how users interact with products leads to improvements tailored towards real-world applications.

Adapting Metrics For Success

  • It's important not only to track metrics but also ensure they align with desired outcomes; flexibility is key as market dynamics change rapidly.

Balancing Speed, Quality, and Impact in Software Development

Proactive Quality Management

  • Emphasizes the importance of proactive quality measures to ensure key experiences are prioritized and metrics are tracked over time.
  • Introduces a framework distinguishing between "bad" (irrecoverable errors) and "sad" (recoverable pain points), highlighting the need for early detection of quality issues.
  • Suggests that having a high-level framework helps teams assess product performance across various surfaces, making it easier to identify good versus bad experiences.

Monitoring and Team Agency

  • Advocates for monitoring tools that focus on user experience rather than just raw performance metrics, allowing teams to define what constitutes a "bad" or "sad" experience.
  • Each team is given agency to determine their own thresholds for bad and sad experiences based on their specific surface areas, fostering ownership.

Testing Over Review

  • Highlights the shift towards investing more in automated tests and monitoring failures instead of spending excessive time on code reviews due to rapid development speeds.
  • Discusses the value of empowering teams to self-correct by understanding success criteria through effective testing practices.

Unique Approaches to Team Management

Managerial Roles as Individual Contributors

  • Describes a unique approach where every manager starts as an individual contributor (IC), maintaining part-time IC responsibilities to stay connected with the team's work.
  • This method fosters a growth mindset among managers, enabling them to adapt quickly in a fast-changing landscape while building rapport with their teams.

Importance of Hands-On Experience

  • Stresses that managers should engage deeply with products before taking on full managerial responsibilities, enhancing their understanding of team dynamics and product intricacies.
  • Managers who actively use products can provide valuable feedback and support team members effectively, reinforcing trust within the team.

The Evolution of Engineering Roles

Transition from Management to Engineering

  • Reflecting on personal experiences transitioning from overseeing large teams at Meta back into engineering roles at Anthropic highlights the evolving nature of engineering responsibilities.
  • Discusses concerns about engineers' coding skills potentially atrophying due to reliance on AI tools but emphasizes the importance of understanding underlying architectures.

Collaborative Learning Environments

  • Introduces pairwise programming sessions as a solution for engineers feeling isolated while working with AI tools, promoting knowledge sharing among team members.

Shifts in Expectations for Engineering Managers

New Normals in Team Dynamics

  • Notes that engineering managers should expect faster shipping times alongside increased collaboration across disciplines without traditional bottlenecks caused by waiting for resources.
  • Engineers are becoming more product-minded while non-engineering roles increasingly adopt technical skills due to collaborative workflows enhanced by AI capabilities.

The Importance of Dogfooding Products

Living Product Experiences

  • Highlights how using one's own products ("dogfooding") keeps leaders attuned to user experiences beyond mere data analysis, ensuring they understand real-world applications.
  • Anecdotal evidence gained through personal usage can lead leaders to identify gaps or issues not visible through metrics alone, reinforcing quality standards within teams.

The Importance of Product Engagement for Engineers

Engaging with the Product

  • Leaders should remain engaged with the product to help engineers become more product-minded, enhancing their understanding of user needs.
  • Engineers are encouraged to use the product regularly to identify missing features and improve usability from a user's perspective.

Customer Interaction

  • If using the product is challenging, leaders should meet with customers directly to gain insights and feedback.
  • A personal anecdote about launching Facebook Marketplace in Latin America highlights how direct customer engagement can reveal critical issues.

Learning from User Experience

Identifying Growth Blockers

  • During a research trip in Chile, slow LTE connections were identified as a significant barrier preventing users from accessing the Marketplace effectively.
  • This experience underscores the importance of listening to customer feedback and establishing fast feedback loops for continuous improvement.

Rethinking Organizational Structure

Current Challenges

  • Questions posed include whether separate iOS and Android organizations are still necessary and how far automated reviews can be pushed.
  • The balance between maintaining deep expertise in mobile platforms while reducing organizational size is an ongoing challenge.

Automation vs. Expertise

Exploring Automation Opportunities

  • There is potential for automation in content design checks, but it’s essential to determine where human expertise remains crucial.
  • Ensuring that automated processes do not overlook important aspects of user experience is vital for success.

Context Switching Challenges

Managing Workload

  • As work becomes more asynchronous, context switching increases, leading to higher cognitive load on team members.
  • Finding ways to streamline experiences for both team members and users is necessary to mitigate this issue.

The Future of Engineering Roles

Hiring Trends Amidst AI Advancements

  • Despite advancements in AI potentially reducing demand for engineers, there remains a high demand for skilled engineers across companies like OpenAI.

Education and Skill Development

  • Concerns arise regarding how new generations will learn foundational engineering skills if they rely heavily on AI tools without understanding underlying principles.

Adapting Through Change

Embracing New Technologies

  • Long-time engineers have adapted well to rapid changes brought by new technologies; however, some resist these changes due to past experiences with less effective tools.

Continuous Improvement Mindset

  • It’s important to revisit previously attempted automations as newer models may now offer improved capabilities that weren't available before.

Maintaining Team Culture

Cultural Integrity During Growth

  • The culture within teams must evolve alongside growth; maintaining diverse perspectives fosters healthy debates and collaboration among team members.

Leadership's Role

  • Founders' commitment to cultural values plays a crucial role in sustaining company culture during periods of rapid expansion.

Open Communication

Addressing Challenges Together

  • Encouraging open discussions about challenges helps address issues proactively rather than allowing them to fester unnoticed within teams.

Conclusion: Continuous Reflection

  • Regularly assessing processes ensures they remain relevant amidst changing circumstances; leaders should empower teams by eliminating outdated practices.

The Impact of Nausicaä on Leadership Principles

Inspiration from Film

  • The speaker reflects on watching "Nausicaä of the Valley of the Wind" at a young age, noting how the heroine's leadership left a lasting impression.
  • The film is based on a manga and is humorously compared to management books like "High Output Management" by Andy Grove.

Favorite Product Discovery

Importance of Personal Care Products

  • The speaker shares their experience with travel and using hotel shampoo, emphasizing the need for personal care products that suit individual skin needs.
  • They mention Sweet Sisters Bodycare, a local business that offers organic hair and skincare products which helped alleviate a painful rash caused by previous shampoos.

Life Motto and Kindness

Work Philosophy

  • In work, the speaker emphasizes the mantra "keep it simple," encouraging focus on core objectives to avoid overthinking.

Personal Philosophy

  • In life, they advocate for kindness, sharing an anecdote about how small acts can significantly impact others' lives.

Reflections During COVID

Importance of One-on-Ones

  • The speaker recalls prioritizing one-on-one meetings during COVID while dealing with family health issues, highlighting their significance in maintaining connections.

Knitting as a Creative Outlet

Connection Between Knitting and Programming

  • A humorous insight is shared about knitting during important meetings; it serves as both a creative outlet and a way to multitask effectively.

Legacy of Crafting

  • The speaker learned to knit from their grandmother at eight years old, associating this skill with fond memories and family ties.

Future Aspirations in Yarn Business

Dream Project

  • The speaker expresses a desire to open a yarn store in honor of their grandmother, aiming to foster community through crafting.

Closing Thoughts and Gratitude

Acknowledgment of Teamwork

  • They express gratitude for working with an amazing team and appreciate being part of impactful projects.

Engagement with Audience

Call for Feedback

  • The speaker invites listeners to connect via LinkedIn for feedback or interesting use cases related to AI applications.

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Video description

Fiona Fung leads the teams behind Claude Code and Cowork at Anthropic (overseeing Boris Cherny and the entire engineering and PM team). Before Anthropic, she spent 11 years at Microsoft building Visual Studio and TypeScript and then moved to Meta, where she started Facebook Marketplace (now generating over $100 billion in GMV annually), worked on Meta’s first smart glasses and AR glasses, and led infrastructure, growth, integrity, and safety teams at Instagram. She’s been an engineer for over 25 years and has a unique perspective on how the role of building software is changing. *In our in-depth conversation, we discuss:* 1. What she’s learned about running a team that’s shipping 8x more code than before 2. Which roles AI will transform next 3. Specific ways her team uses AI 4. How Claude “routines” have changed how she operates as a manager 5. The context-switching problem no one has solved yet 6. The biggest unsolved problem in AI 7. What keeps her up at night *Brought to you by:* WorkOS—Make your app enterprise-ready, with SSO, SCIM, RBAC, and more: https://workos.com/lenny Mercury—Radically different banking, now with Command: https://mercury.com/ *Episode transcript:* https://www.lennysnewsletter.com/p/building-the-most-ai-pilled-engineering *Archive of all Lenny's Podcast transcripts:* https://www.dropbox.com/scl/fo/yxi4s2w998p1gvtpu4193/AMdNPR8AOw0lMklwtnC0TrQ?rlkey=j06x0nipoti519e0xgm23zsn9&st=ahz0fj11&dl=0 *Where to find Fiona Fung:* • LinkedIn: linkedin.com/in/fionafung *Where to find Lenny:* • Newsletter: https://www.lennysnewsletter.com • X: https://twitter.com/lennysan • LinkedIn: https://www.linkedin.com/in/lennyrachitsky/ *In this episode, we cover:* (00:00) Introduction to Fiona Fung (02:31) How the engineering role has transformed over 25 years (09:28) What an AI-pilled software team looks like in 2026 (12:26) Using Claude to manage and review team output (14:40) The evolution of code review and verification (16:55) Who to hire: creative builders and deep systems experts (18:18) The shift to ambitious thinking (19:40) The growth mindset required to thrive in AI-native teams (25:52) Helping small businesses adopt AI tools (31:46) How Anthropic spots latent demand and builds for it (35:08) The next frontier: asynchronous work with AI routines (38:06) Agency and accountability in AI-native teams (39:40) The vibe shift from token-maxing to ROI measurement (44:24) The “bad vs. sad” quality framework (49:34) Why all managers start as ICs at Anthropic (55:24) Preventing skill atrophy (58:43) Managing context switching with 20 AI agents running (1:00:08) How PM and data science roles are transforming (1:03:40) The importance of dogfooding and using your own product (1:08:36) Outstanding questions (1:12:48) The future of engineering jobs and education (1:17:59) What keeps Fiona up at night: team culture at scale (1:22:53) From six-month roadmaps to JIT (just-in-time) monthly planning (1:27:03) Lightning round *Referenced:* • Running an AI-native engineering org: https://www.youtube.com/watch?v=igO8iyca2_g • Head of Claude Code: What happens after coding is solved | Boris Cherny: https://www.lennysnewsletter.com/p/head-of-claude-code-what-happens • Today, Anthropic engineers on average ship 8x as much code per quarter as they did compared to 2021-2025: https://x.com/AnthropicAI/status/2062568864240836995 • Visual Studio: https://visualstudio.microsoft.com • Joseph Campbell’s quote: https://www.goodreads.com/quotes/192665-the-cave-you-fear-to-enter-holds-the-treasure-you • Life-changing Cowork use case: https://x.com/lennysan/status/2059664455001334124 • Introducing Claude for Small Business: https://www.anthropic.com/news/claude-for-small-business • Conversations with Tyler podcast: https://conversationswithtyler.com • Sheryl Sandberg on Facebook: https://www.facebook.com/sheryl# • Amélie on Prime Video: https://www.amazon.com/Amelie-Jean-Pierre-Jeunet/dp/B0DQ4S3N45 • Spirited Away on HBO Max: https://www.hbomax.com/movies/spirited-away/3deab668-d0a4-4a8d-9bc8-0952a0ad836e ...References continued at: https://www.lennysnewsletter.com/p/building-the-most-ai-pilled-engineering *Recommended books:* • Margaret Atwood’s books: https://www.amazon.com/stores/author/B000AQTHI0?ccs_id=0027a474-cd59-4a3a-bcd7-9b173c27d530 • Haruki Murakami’s books: https://www.amazon.com/stores/Haruki-Murakami/author/B000AP7AFI • The Little Prince: https://www.amazon.com/Little-Prince-Antoine-Saint-Exup%C3%A9ry/dp/0156012197 • Nausicaä of the Valley of the Wind: https://www.amazon.com/Nausica%C3%A4-Valley-Wind-Box-Set/dp/1421550644 • High Output Management: https://www.amazon.com/High-Output-Management-Andrew-Grove/dp/0679762884 _Production and marketing by https://penname.co/._ _For inquiries about sponsoring the podcast, email podcast@lennyrachitsky.com._ Lenny may be an investor in the companies discussed.