Level Overview
Front-End Developer 1
Utilize various development tools and technologies to build and deploy simple public websites using basic HTML, CSS and JavaScript.
Skills:
- Utilize development environments and editors to organize files and write code. badge
- Utilize built-in browser developer tools to understand and visualize web applications. badge
- Navigate file systems and perform common commands in the Windows or Linux command line. badge
- Maintain a Git repository up-to-date with frequent commits. badge
- Create simple web layouts with the most common HTML tags. badge
- Apply basic styling to existing web layouts with the most common CSS selectors and styles. badge
- Write simple but functional JavaScript code to manipulate the DOM and respond to changes. badge badge
- Connect and deploy web projects in Git to deploy to Heroku. badge
Front-End Developer 2
Utilize various development tools and technologies to build and automatically deploy dynamic and responsive web applications using HTML, CSS/SASS, JavaScript, JQuery and external REST APIs.
Skills:
- Utilize built-in browser developer tools to debug and troubleshoot code or layout issues in web applications. badge
- Build interactive experiences and fully-responsive, complex layouts in HTML. badge
- Utilize CSS preprocessors to write more flexible and maintainable CSS. badge
- Extend JavaScript code with existing libraries of functions and abstractions. badge
- Request, receive, process and display structured data from external servers using JavaScript. badge
- Resolve version conflicts between commits and team members using Git and merge tools. badge
- Configure a project to automatically deploy to a public web server upon every commit to Git. badge
- Test and inspect REST APIs using Postman. badge badge
- Utilize pre-built CSS structures in Bootstrap to build stylish web applications. badge
Front-End Developer 3
Build and deploy responsive data-driven web applications using ReactJS, SASS, JavaScript and other modern tools.
Skills:
- Write maintainable JavaScript code to solve complex problems. badge
- Integrate pre-built functionality from various libraries found in NPM. badge
- Create reusable functions and variables in SASS. badge
- Transpile cutting edge JavaScript code to legacy versions for browser compatibility using Babel.
- Automate the packaging of entire web applications using default Webpack configurations.
- Integrate advanced HTML and CSS structures and components into existing web applications using Bootstrap.
- Build modern component-based web applications with 2-way input binding using ReactJS.
- Write isolated and repeatable unit tests for JavaScript code.
- Utilize functional JavaScript libraries to extend applications and reduce maintenance liabilities.
- Implement secure sections of a web application using Google SSO and Firebase Authentication.
- Build web applications with CRUD data functionality using the firebase SDK.
Full-Stack Developer 4
Build custom backend-driven web applications using HTML, CSS, TypeScript and NodeJS.
Skills:
- Write and maintain statically-typed JavaScript code using TypeScript.
- Add, remove and maintain Node-based project dependencies using NPM.
- Configure Babel transpilation using presets and plugins.
- Write and execute JavaScript for the server or local machine using NodeJS.
- Write and execute queries that create, read, update and delete data in a relational database using SQL.
- Integrate database operations in a NodeJS application.
- Write fully isolated unit tests for complex code that has dependencies.
- Prepare web applications for production with advanced bundling techniques using Webpack.
- Build custom REST-based APIs and back-end servers using ExpressJS.
- Build complex and maintainable front-end web application with modern Flux architecture using React and Redux.
Full-Stack Developer 5
Build and deploy database-driven web applications using ReactJS and NodeJS.
Skills:
- Write maintainable object-oriented code using TypeScript.
- Build complex, maintainable and trustworthy API back-end using ExpressJS, advanced routing and validation.
- Utilize 3rd party web services, APIs and SDKs to perform valuable actions like mail sending.
- Follow “red-geeen-refactor” to write isolated unit tests with mocks and fakes that drive trustworthy and maintainable code.
- Manage and query data in a relational database with complex joining, grouping and aggregates using SQL.
- Develop back-end code that interfaces with the database for complex query scenarios without writing SQL using Object Relational Mappers.
- Deploy static front-end web applications for public consumption to AWS S3.
- Write executable shell scripts to automate file system processes using Bash.
- Build continuous integration pipelines that automatically compile code, run tests and packages deliverables on every push.
- Implement HTTP Basic Authentication in the back-end.
- Write code that adheres to the Single Responsibility Principle.
Full-Stack Developer 6
Build and deploy complex, maintainable, database-driven web applications using React, NodeJS and other modern tools.
Skills:
- Write advanced object-oriented TypeScript with generics and reflection.
- Follow “red-geeen-refactor” to write entire suites of isolated unit tests with mocks and fakes that drive trustworthy, maintainable code with high test coverage.
- Defend against common vulnerabilities such as Injection, Broken Authentication and Sensitive Data Exposure.
- Build secure front-end and back-end applications using oAuth.
- Write code that adheres to the Open/Closed Principle.
- Work productively as part of a team that applies principles and practices of Scrum.
- Build maintainable applications with low coupling and appropriate separation of concerns in order to be compatible with a domain-driven architecture.
- Write and maintain docker containers.
- Build continuous deployment pipelines that continue after CI to automatically deploy web applications and migrate databases on every push to appropriate branches.
- Deploy back-end servers to AWS Elastic Beanstalk that connect to relational databases in AWS RDS.
- Integrate NoSQL databases in NodeJS back-ends to query and modify data.
- Integrate GraphQL in front-end web applications to query and display data.
- Write simple console/command-line applications with basic functionality using .NET and C#.
Full-Stack Engineer 7
Masterfully design and build complex full-stack applications using software engineering principles and best practices.
Skills:
- Write .NET applications using features of C# such as extension methods, generic types, advanced built-in and custom types, and advanced execution flow control.
- Write isolated unit tests with distinct arrange, act and assert stages that drive implementation code in C#.
- Defend against common vulnerabilities such as XML External Entities (XXE), Broken Access Control and Security Misconfiguration.
- Design and implement a business domain in code using multiple bounded contexts and inter-context communication in order to be compatible with a domain-driven architecture.
- Create and deploy cloud functions to AWS Lambda for short-lived, distributed functionality.
- Manage and Interact with AWS services such as EC2, SNS and SQS.
- Containerize and provision applications using Docker Compose.
- Implement the Adapter Pattern in code for appropriate situations.
- Write code that adheres to the the Liskov Substitution Principle.
- Implement GraphQL in the backend to respond to client queries.
- Integrate NoSQL database in an .NET back-end application.
- Secure front-end applications using oAuth and OIDC.
- Process client payments in front-end and back-end applications using Stripe.
- Enable a team to work collaboratively and productively in a context that applies principles and practices of Scrum.
- Build REST APIs using ASP.NET.
Full-Stack Engineer 8
Masterfully architect robust and complex applications that scale and provide value.
Skills:
- Build REST APIs with advanced routing and custom middleware in ASP.NET.
- Build .NET applications that integrate reusable functionality from various 3rd party libraries.
- Integrate ORMs in .NET applications to communicate with databases without direct SQL queries.
- Secure both front-end and back-end systems using oAuth and OIDC.
- Write code that adheres to the the Interface Segregation Principle.
- Implement the Strategy Pattern in code for appropriate situations.
- Recognize signs of and write code that defends against common issues such as memory leaks, infinite loops and n+1.
- Defend against common vulnerabilities such as Cross-Site Scripting (XSS).
- Utilize and configure AWS services such as VPC, ECR, API Gateway and ECS.
- Design and implement back-ends with Hexagonal Architecture.
- Build systems that take advantage of the segregation of commands and queries.
- Write clear feedback for other developers about code smells found when reviewing their code.
- Lead an agile team to work productively in a context that applies principles and practices of Scrum.
Full-Stack Engineer 9
Lead a team of developers as they build valuable full-stack applications using modern technologies, software engineering principles and best practices.
Skills:
- Build .NET applications that integrate reusable functionality from various advanced 3rd party libraries.
- Write code that adheres to the the Dependency Inversion Principle.
- Solve problems using reactive programming techniques and tools.
- Recognize signs of and write code that defends against common issues such as deadlocks, data races and race conditions.
- Write defensive code by using secure deserialization, avoiding components with known vulnerabilities implementing sufficient logging and monitoring.
- Design and develop solutions using the pub sub architectural paradigm.
- Build systems that take advantage of the segregation of commands and queries, domain events and event sourcing.
- Contribute in valuable ways to product backlog grooming meetings.
- Engage other developers in productive pair programming.