Senior Web Developer

Rebellion Group is seeking a highly skilled and motivated Senior Web Developer to play a critical role in the development and maintenance of our high‑traffic, scalable web applications. The position requires deep, expert‑level knowledge across the full technology stack, a strong understanding of architecture, performance, and team collaboration tools, and the ability to work independently, take ownership, and manage project timelines effectively.

• Design, architect, and develop highly performant, scalable, and secure web applications.
• Lead the technical planning and execution of large, complex features and projects.
• Define and enforce coding standards, development best practices, and secure coding principles across the team.
• Conduct thorough code reviews, providing constructive feedback to ensure high code quality and maintainability.
• Drive the evaluation and adoption of new technologies, frameworks, and tools to improve the development process and product performance.
• Write clean, efficient, well‑documented, and testable code for both front‑end and back‑end components.
• Troubleshoot, debug, and resolve complex production issues and performance bottlenecks in our systems.
• Ensure application stability, speed, and security through continuous testing and optimization.
• Collaborate with Project Managers and UX/UI Designers to translate user stories and wireframes into technical specifications and functional, intuitive user interfaces.

• HTML5 & CSS3:
  Mastery of semantic markup, accessibility (WCAG), modern CSS in frameworks like Bootstrap, Tailwind, etc.
• JavaScript:
  Deep understanding of asynchronous programming, closures, promises/async/await, and Type Script for large‑scale application development.
• Front‑End Framework/Library:
  Expertise in at least one major framework, including its ecosystem and core architectural patterns:
  • React
  • Vue.js

• Server‑Side Language/Runtime:
  Expertise in a language commonly used for web applications:
  • Node.js (Express)
  • Python
  • PHP (Word Press, Laravel methodologies)
• Database Systems:
  Strong command of both relational and non‑relational databases:
  • SQL Databases (e.g., Postgre
    
    SQL, MySQL):
    Advanced querying, optimization, and database design (schemas, indexing, normalization).
  • No
    
    SQL Databases (e.g., Mongo
    
    DB, Redis):
    Understanding when to use them, data modeling, and performance tuning.
• API Development:
  Mastery of designing and building efficient, secure APIs:
  • RESTful APIs:
    Design principles, best practices, and versioning.
  • Graph
    
    QL:
    Deep knowledge of query language, schema design, and resolvers.

• Version Control:
  Complete mastery of Git and platforms like Git Hub/Git Lab/Bitbucket.
• Cloud Platforms:
  Familiarity with major cloud service providers (e.g., AWS, Azure, GCP) and core services like compute, storage, and networking.
• Hosting Infrastructure support – WPEngine, Digital Ocean, Netlify – familiar with many hosting methodologies, shared, virtual, baremetal, etc., and website host migrations.
• Understanding of SSH & SFTP/FTP functions and setting up accounts and servers in a variety of shared and virtual private hosting environments.
• Understanding of domain and hosting functions to create, transfer and troubleshoot client assets between hosting environments and providers.
• Knowledge of setting up/importing/exporting databases for CMS setups and transfers:
  • Via plugins/GUI tools at a minimum, via CLI tools a major plus.
• Dev Ops & Deployment:
  Understanding of continuous integration/continuous deployment (CI/CD), and containerization technologies like Docker and Kubernetes.
• Architectural Patterns:
  Ability to implement and reason about patterns like Microservices, Serverless (e.g., AWS Lambda), Monoliths, and Headless CMS (e.g., Contentful).
• Full‑Stack Frameworks:
  Knowledge of meta‑frameworks that combine front‑end and back‑end logic, such as Next.js or Nuxt.
• CMS – Word Press, Concrete CMS, Shopify and familiarity with various other CMS solutions such as Decap, Craft, Big Commerce.
• Experience with static site generators such as Eleventy or Jekyll.
• Experience supporting QA test automation.
• Devel…