A web developer builds and maintains software that runs in a browser. The work can include user interfaces, APIs, databases, authentication, business logic, integrations, testing, and production fixes.
For a CTO, the key point is simple. Building the screen is often the easy part. A strong developer must also decide what happens when an API fails, a user lacks permission, data is invalid, or the same request arrives twice. Those cases often determine whether a web product works well in production.
What does a web developer do?
A web developer turns product requirements into working browser-based software and maintains that software after release.
The UK’s National Careers Service describes web developers as professionals who use code to create and maintain websites and applications. Typical tasks include writing code, building databases, working with APIs, creating interface elements, and testing features. The US Bureau of Labor Statistics also defines the role around creating and maintaining websites.
In a product team, the role usually covers some mix of:
- frontend or backend development
- APIs and databases
- authentication and permissions
- testing and code review
- debugging and production support
The balance depends on the product.
A developer working on a content website may focus on layouts, forms, accessibility, and performance. A developer building a FinTech product may spend more time on transaction states, account permissions, API integrations, and error handling.
Code & Pepper’s guide to web development explains the wider system. A web application connects the browser to business logic, data, APIs, and cloud systems.
Frontend, backend, and full-stack developers
Web developers usually specialise in frontend development, backend development, or work across both as full-stack developers.
| Role | Main focus | Typical work |
| Frontend | Browser interface | Forms, dashboards, state, accessibility |
| Backend | Server-side systems | APIs, databases, permissions, business rules |
| Full stack | Both layers | Features from data model to browser |
The boundaries are useful, but most production features cross several layers.
Frontend developers manage browser behaviour
A frontend developer builds the interface users see and control.
HTML provides structure. CSS handles presentation. JavaScript or TypeScript provides behaviour. React, Angular, and similar tools help teams organise larger applications.
The difficult part is often state rather than layout.
Consider a transaction table. The developer must handle loading, empty results, failed API requests, pagination, permissions, and large datasets. A static design does not show most of those states.
For a CTO, this means frontend work should be estimated around behaviour as well as screens.
Backend developers enforce business rules
A backend developer builds the server-side systems behind the browser.
Backend code receives API requests, checks permissions, applies business rules, reads or changes data, and communicates with external services.
Consider an insurance application with an Approve claim action.
The frontend can hide that action from a customer. The server must still check the user’s permission before approving the claim. Otherwise, someone could bypass the interface and call the API directly.
The technical rule is simple:
The browser should not be the final security boundary.
Code & Pepper’s web development services cover frontend, backend, API, and end-to-end product work. The live service page also shows examples across FinTech and insurance products.
Full-stack developers connect both sides
A full-stack developer works across frontend and backend code.
The role can suit a smaller product team. One engineer may change a database model, API response, and browser interface as part of the same feature.
Full-stack does not mean expert in every field.
A complex FinTech, HealthTech, or InsurTech product may still need deeper skills in frontend engineering, backend systems, QA, DevOps, security, or data.
The hard part starts when the happy path fails
Production web development requires developers to design failure states before users encounter them.
Take a $500 wallet deposit.
The expected flow looks simple:
- The user requests a $500 deposit.
- The server sends the request to a payment provider.
- The provider processes it.
- The application records the result.
- The browser shows the new state.
Now assume the payment provider receives the request, but the application times out before receiving the response.
The user tries again.
A weak implementation could create a second payment attempt.
One common control is idempotency. An idempotent operation allows the same request to be repeated without repeating its effect.
The application may also need explicit states such as pending, confirmed, and failed. A reconciliation process can compare local records with the payment provider when the two systems disagree.
This gives engineering leaders a useful rule:
Feature complexity depends more on states, permissions, integrations, and failure modes than on screen count.
A payment action can require more engineering than a dashboard with many static charts.
Architecture should solve a real product problem
Good web architecture solves product constraints without adding complexity the team does not need.
A small internal tool may work well as one application with one database. Splitting the product into many services can add deployment, monitoring, and debugging work without solving a real problem.
A payment platform has different needs. Asynchronous provider events may require queues. Repeated events may need idempotent processing. Financial actions may need clear transaction states and audit records.
Architecture should follow those requirements.
CoverTree: sharing code across four applications
Code & Pepper’s CoverTree project shows how an architecture choice can address a specific product problem.
CoverTree is a US InsurTech company. Code & Pepper’s case study describes four applications covering insurance purchase, claims, agents, and agent management. The documented stack includes TypeScript, Node.js, React.js, GraphQL, DynamoDB, Cognito, Cypress, AWS CDK, and other AWS services.
The frontend presented a specific challenge. Several related applications needed common components.
Code & Pepper used a monorepo, which keeps code for related applications in one repository. The CoverTree case study explains how the approach supported shared components across the applications.
The choice addressed a real engineering problem. Shared components can reduce duplicate implementation across related products.
There is a tradeoff. Shared code also needs clear ownership and boundaries as the codebase grows.
Testing should follow business risk
Web developers should put the most testing effort into behaviour where failure has the highest cost.
A visual change and a payment permission do not carry the same risk.
A practical strategy may combine unit tests for individual rules, integration tests for connected services, and end-to-end tests for critical workflows.
Code & Pepper’s Pelago project provides a HealthTech example. The documented stack includes TypeScript, Node.js, Angular, Cognito, DynamoDB, RDS, Lambda, SNS, SQS, EventBridge, and other technologies.
The Pelago case study also describes work on unit testing, deployment of shared libraries through CircleCI, MFA for medical personnel, and authorisation based on user groups.
The example shows why testing, identity, permissions, and deployment cannot always be treated as separate concerns.
Security is part of normal development
A web developer needs enough security knowledge to implement safe application behaviour.
That includes authentication, server-side access control, input validation, safe handling of secrets, dependency maintenance, and useful logging.
The server-side permission example matters here.
If an API accepts a sensitive action, the API should verify that the authenticated user can perform it. Hiding a control in the browser is a user-interface decision. It is not sufficient authorisation.
Regulated products add further constraints.
A FinTech application can process financial data and transactions. A HealthTech application can process sensitive health information. An InsurTech platform may store identity, policy, and claims data.
Developers need to implement controls based on the actual product, architecture, threats, data, and applicable requirements.
A framework or cloud provider does not make an application compliant by itself.
From requirement to production
A web developer contributes before, during, and after coding.
Consider a requirement to let administrators export transactions.
A developer should ask:
- Which administrators can export the data?
- How large can the export become?
- Does the file contain sensitive data?
- Should a large export run as a background job?
- Should the system record who requested it?
Those questions affect security, performance, and architecture before implementation starts.
During development, engineers write code, tests, and reviews. After release, logs, metrics, alerts, and error tracking help the team understand how the feature behaves with real users and data.
Code & Pepper’s recent AWS DevOps guide explains this delivery layer. It covers continuous integration, delivery, infrastructure as code, monitoring, approval controls, and rollback procedures. The live article is dated August 5, 2026.
A feature working on a developer’s laptop is only one step. The team also needs a controlled way to release, observe, and fix it.
Tools should follow the product
A web developer should choose tools based on product needs, existing architecture, and team skills.
Common web stacks include frontend frameworks, server-side runtimes, databases, source control, testing tools, and cloud infrastructure.
Code & Pepper’s published technology material lists React for web frontend work, TypeScript and JavaScript, and Node.js for backend applications. Its web development material also covers technologies such as Angular and cloud services.
The important question is not which framework is most popular.
A CTO should ask whether the stack fits the data model, integrations, security needs, expected load, product lifetime, and skills already available in the team.
Technology choices create maintenance commitments. A new framework can solve an immediate problem while creating a hiring or operating problem later.
Web developer vs software developer
A web developer is a software developer who focuses on software delivered through the web.
Software developer is the broader term. Software developers can work on web applications, mobile products, desktop software, backend services, infrastructure, and other systems.
For hiring, the distinction matters less than the work that needs to be done.
If a React application is blocking delivery, frontend depth may help. If payment APIs and transaction logic cause repeated problems, backend experience matters more. If a smaller team needs one engineer to own features across several layers, full-stack experience may fit better.
Hire for the engineering problem rather than the title.
How long does web development take?
Web development timelines depend on scope, but current survey data gives useful planning benchmarks.
GoodFirms surveyed more than 300 web development companies across 31 countries in April and May 2026. For a custom web application, 35.5% of respondents selected 8 to 16 weeks as the most common development timeline.
The same survey reported longer common timelines for FinTech and SaaS projects.
| Project type | Most common reported cost | Most common reported timeline |
| Custom web application | $20,000–$50,000 | 8–16 weeks |
| FinTech / neobank | $25,000–$80,000 | 16–40 weeks |
| SaaS-based website | $25,000–$80,000 | 16–40 weeks |
For custom web applications, 35.5% of respondents selected the $20,000 to $50,000 cost band and 35.5% selected the 8 to 16 week timeline. GoodFirms reports that 54% selected $25,000 to $80,000 for FinTech or neobank projects, while 62% selected a 16 to 40 week timeline. For SaaS-based websites, the corresponding figures were 61% and 76%.
These numbers are survey benchmarks, not Code & Pepper prices or delivery promises.
Integrations, user roles, data migration, security requirements, testing, and external dependencies can move a project outside these ranges.
What does a web developer cost?
Web developer cost depends on location, experience, scope, and hiring model.
For US employees, the US Bureau of Labor Statistics reports a median annual wage of $90,930 for web developers in May 2024. The lowest 10% earned less than $48,560, while the highest 10% earned more than $162,870.
The separate BLS Occupational Employment and Wage Statistics release reports a mean annual wage of $98,790 for web developers in May 2024. Mean and median are different measures, which explains the two BLS figures.
For the UK, the National Careers Service currently lists typical salaries from £27,000 for a starter to £60,000 for an experienced web developer.
Project cost is a different measure.
GoodFirms’ 2026 survey found that 35.5% of respondents selected $20,000 to $50,000 as the most common cost range for a custom web application. FinTech and SaaS projects had higher common ranges of $25,000 to $80,000 in the same survey.
These figures should not be treated as a quote for a specific project.
For buyers, a better way to think about cost is to count workflows before screens.
A ten-screen application with authentication, several user roles, payment APIs, background jobs, and audit records can require more work than a much larger content website.
Hiring: test reasoning, not framework trivia
A strong web developer interview should test how the candidate reasons about production software.
Give a senior candidate a concrete scenario.
A payment provider can accept a payment, reject it, time out, or confirm the result later through a webhook. Ask the candidate to design the workflow.
A strong answer should address transaction states, persistence, duplicate requests, retries, asynchronous events, logs, and reconciliation.
The exercise tests whether the developer can reason beyond the happy path.
Framework knowledge still matters. But recalling an API from memory tells you less about senior engineering judgement than explaining how a failed transaction should recover.
AI changes coding speed, not ownership
AI coding tools can speed up parts of development, but engineers remain responsible for production behaviour.
AI can help draft components, tests, types, documentation, and refactors.
The developer still needs to check the result.
Does the code respect permissions? Does it handle errors? Does it fit the architecture? Can another engineer maintain it? Do the tests cover important failure states?
AI makes those review skills more valuable.
Hire for the bottleneck, not the title
A new web developer creates value when web engineering capacity is the problem slowing the product down.
If releases are slow because deployment is manual, another frontend developer may not fix the main constraint. DevOps work may have more value.
If releases repeatedly introduce regressions, the team may need stronger QA.
If payment or insurance integrations fail around edge cases, backend and integration expertise may be the missing skill.
The buying decision should therefore be more specific than we need another developer.
Ask which part of delivery is blocked.
Code & Pepper’s current web development page states that the company has delivered 500+ projects and works across frontend, backend, API, and end-to-end development.
For a company that needs ownership across several web layers, Code & Pepper’s web development services cover frontend, backend, APIs, and end-to-end development. For teams that already own the architecture but need extra specialists, team augmentation can address a different constraint.
The right choice depends on the bottleneck. Add frontend depth for a browser problem. Add backend expertise for integration and transaction-state problems. Improve the delivery system when releases are the constraint.
The right web developer should remove a known engineering problem, not simply increase headcount.
What does a web developer do every day?
A web developer writes and reviews code, works with APIs and databases, tests features, fixes bugs, discusses requirements, and investigates technical problems. The exact mix depends on the role and product.
What are the three main types of web developer?
The common roles are frontend, backend, and full-stack developer. Frontend developers focus on browser interfaces. Backend developers build server-side systems. Full-stack developers work across both.
What languages do web developers use?
Frontend developers commonly use HTML, CSS, JavaScript, and TypeScript. Backend developers can use languages and runtimes such as JavaScript or TypeScript with Node.js, Python, Ruby, Java, and C#.
Does a web developer design websites?
A web developer may contribute to interface decisions, but design can be a separate role. Developers focus on turning product requirements and designs into working software.
How long does a custom web application take?
GoodFirms’ 2026 survey found that 35.5% of respondents selected 8 to 16 weeks as the most common timeline for a custom web application. Actual delivery time depends on scope, integrations, security, data, and testing.
How much does custom web development cost?
In the same GoodFirms survey, 35.5% of respondents selected $20,000 to $50,000 as the most common cost range for a custom web application. The figure is a survey benchmark, not a Code & Pepper price.
How much does a web developer earn in the US?
The US Bureau of Labor Statistics reports a median annual wage of $90,930 for web developers in May 2024.
How much does a web developer earn in the UK?
The UK’s National Careers Service currently lists typical salaries from £27,000 to £60,000 per year, depending on experience.
Is a web developer the same as a software developer?
A web developer is a type of software developer focused on web-based products and their supporting systems. Software development is the broader field.
Will AI replace web developers?
AI can automate parts of coding, testing, documentation, and refactoring. Developers still need to verify architecture, security, business logic, error handling, and production behaviour.