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Hasib Ahmed
Hasib Ahmed

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Creating value and coding with a purpose - lessons by The Lean Startup

Imagine the scenario; after six intense months of coding, you’ve released the most intricate feature ever. Your code is optimised, unit tests are 100% green, and you’re feeling like a true engineering wizard. But... your users? They don’t care. Why? Because they didn’t need it in the first place! 🫠 Enter The Lean Startup by Eric Ries, the ultimate guide to developing products that users actually want through quick iterations, real feedback, and agile principles.

The book introduces a tech-driven, no-nonsense approach to building impactful software. For any developer aiming to ship features that deliver real value, The Lean Startup is packed with advice on how to iterate faster, learn from real users, and avoid wasting time on code that doesn’t move the needle.

1. Build-Measure-Learn: Think Better, Not Just Faster

At the heart of The Lean Startup is the Build-Measure-Learn cycle, which pushes us to break down big ideas into quick prototypes we can test with real users. Instead of crafting a fully-featured masterpiece right out of the gate, you build a Minimum Viable Product (MVP)—a stripped-down version with just enough functionality to gather feedback and validate your assumptions.

Key Takeaway:

Think about frameworks like React and Vue that allow you to quickly build and iterate on UIs. You can also employ feature toggles that allow you to deploy features behind a flag, so you can expose them to specific users for testing without a full release. And with containerisation tools like Docker, spinning up isolated environments for early feature testing becomes a breeze.

Why It Boosts Productivity:

An MVP mentality reduces overengineering and helps you focus on the core user experience. This saves you (and your team) from investing hundreds of hours into features that might not even make the final cut. Plus, faster iteration means quicker insights, which leads to smarter development.

Mr bean realisation

2. Validated Learning: Data-Driven Development

In The Lean Startup, Ries emphasises validated learning: the process of using data to confirm whether or not you’re building something users actually want. This is where tools for A/B testing come in, such as AWS Evidently or through Azure DevOps for experiments. Instead of building in the dark, validated learning lets you measure actual user responses to specific changes.

Key Takeaway:

Using A/B testing tools, you can gather clear data on user engagement, feature effectiveness, and even UI preferences. Metrics from Google Analytics or services such as those from Amplitude can also help you track real-time engagement, user flow, and retention, letting you adjust before a full launch.

Why It Broadens Developer Perspective:

Validated learning forces developers to think critically about each line of code in terms of user impact, not just technical elegance. Focusing on the “why” behind every feature allows developers to make informed decisions that bring value and impact, rather than just fulfilling a checklist.

why gif

3. Experimentation and Feature Prototypes: Try, Fail, Iterate, Repeat

With The Lean Startup, experimentation isn’t just a buzzword; it’s a core principle. Developers are encouraged to create feature prototypes (or skeletons of features) that allow for rapid testing and iteration without a full-scale build-out. This agile approach makes it easy to pivot quickly if a feature doesn’t perform as expected, avoiding the dreaded “sunk cost” trap.

Key Takeaway:

Leveraging Agile methodologies like Scrum or Kanban, you can break down features into small, manageable sprints that focus on building and testing core functionality first. Story mapping and user journey mapping can also help align each development sprint with real user needs, allowing you to deliver incremental improvements and test ideas without overcommitting.

Why It Promotes Innovative Thinking:

Developers can focus on creating quick, functional skeletons that can be tested, measured, and iterated upon in small sprints. This process encourages creative, outside-the-box thinking and helps developers become more adaptable. Plus, fewer bloated features and more fine-tuned ones means happier users!

steps of building a MVP

4. Listening to Customers Early and Often: Tighten the Feedback Loop

In The Lean Startup, it’s all about keeping the feedback loop tight. Instead of waiting until the entire feature is built out, developers can engage with users right from the MVP stage. This can be achieved by exposing new features to a small user segment and collecting their feedback via in-app surveys or tools like Hotjar.

Key Takeaway:

Customer feedback tools let you gather in-the-moment reactions from users. By setting up early feedback channels, you can catch usability issues, feature gaps, or misalignments early on and adjust based on what real users say.

Why It Leads to Better Code:

Regular customer feedback is an accountability system for developers. Knowing users will be testing the feature keeps the focus on functionality, simplicity, and clarity, minimising code bloat. Plus, it gives developers a real sense of accomplishment when they see users enjoying their work.

user feedback meme

5. Avoiding Vanity Metrics and the Trap of “Success Theater”

One of the most important lessons in The Lean Startup is the need to avoid “success theatre” - getting excited about vanity metrics that don’t actually measure user impact. This can mean tracking sign-ups without engagement, clicks without retention, or installs without usage.

Key Takeaway:

Using data visualisation tools like Tableau or Grafana can help teams track meaningful metrics like user retention, active engagement, and feature utilisation. For backend-heavy projects, ELK Stack (Elasticsearch, Logstash, Kibana) can track and visualise logs to show how features are actually being used.

Why It Helps You Code with Purpose:

When developers see their code's impact (or lack thereof) on real metrics, it helps everyone stay focused on what users actually need, rather than just what looks good on a dashboard. This insight also allows teams to deprioritise underused features and prioritise high-value improvements.

focus gif


TL;DR: Creating value and coding with a purpose - lessons by The Lean Startup

For developers, The Lean Startup offers a transformative approach to coding. It’s all about getting real-world feedback as fast as possible, adapting to what users want, and avoiding the “code for code’s sake” trap which is all too easy to fall into.

Here’s how you can apply The Lean Startup principles today:

  • 🔄 MVP First: Use frameworks such as React to speed up the boilerplate creation and build prototypes fast and gather data quickly.
  • 📈 Measure with Purpose: Use A/B testing and real user data (e.g. Google Analytics) to validate your assumptions.
  • 🚀 Experiment Boldly: Use agile methods to deliver, test, and pivot in small, manageable sprints.
  • 💬 Feedback Loops: Listen to users early using tools like Hotjar to avoid building features nobody needs.
  • 📊 Meaningful Metrics: Track actual user engagement, not vanity stats, with tools like Tableau and ELK Stack.

In a nutshell, The Lean Startup gives us some valuable lessons to code not just for function, but for impact. Embrace these ideas, and you’ll build software that makes a difference—whether it’s one small MVP or a game-changing product. 🎉

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