Avant Tech

Avant Tech
About company

Frontend Software Developer

On-site

location Lagos

date March 25, 2026

types Full-time

A fintech startup committed to delivering secure and seamless financial services. We are seeking a highly experienced Frontend Developer to lead the development and optimization of our web and mobile frontends, ensuring pixel-perfect UI, excellent performance, and seamless user experience.

Key Responsibilities

Frontend Development

  • Develop and maintain high-quality, responsive user interfaces for web and mobile platforms.
  • Implement designs from Figma into production-ready code with pixel-perfect accuracy.
  • Optimize application performance for speed, responsiveness, and scalability.
  • Implement state management for complex applications using tools such as Redux, Context API, Zustand, or equivalent.

Integration & Collaboration

  • Integrate RESTful APIs and WebSocket connections into the frontend.
  • Work closely with backend developers to define data structures and API contracts.
  • Collaborate with UI/UX designers to ensure usability and visual quality.
  • Work with QA to identify and fix UI/UX issues before release.

Code Quality & Leadership

  • Write clean, maintainable, and well-documented code.
  • Review code from other developers and mentor junior frontend engineers.
  • Establish and maintain frontend coding standards and best practices.

Security & Compliance

  • Implement secure coding practices, particularly for fintech applications.
  • Ensure compliance with accessibility standards (WCAG) and data privacy requirements.

Requirements

Technical Skills

  • Languages & Frameworks: Expert in JavaScript (ES6+), TypeScript, React.js (or Next.js)
  • Strong knowledge of HTML5, CSS3, SCSS/SASS
  • Experience with React Native or Flutter (mobile integration) is a strong plus.
  • State Management: Redux, Context API, Zustand, or Recoil.
  • API Integration: RESTful APIs, GraphQL, WebSocket.
  • Tooling: Webpack, Vite, Babel, npm/yarn.
  • Testing: Jest, React Testing Library, Cypress or equivalent.
  • Version Control: Git (GitHub).
  • Design Tools: Figma (design-to-code implementation).
  • Performance Optimization: Lazy loading, code splitting, caching strategies.
  • Accessibility & Responsiveness: WCAG standards, mobile-first development.

Experience Requirements

  • Minimum 6 years professional experience in frontend development.
  • Proven track record of delivering production-ready, high-performance frontend applications.
  • Experience working on fintech or high-security platforms is an advantage.

Nice-to-Have Skills

  • Experience with CI/CD pipelines (GitHub Actions, Bitbucket Pipelines, GitLab CI).
  • Familiarity with containerization (Docker).
  • Knowledge of SEO optimization for web applications.
  • Understanding of Agile methodologies (Scrum/Kanban).

Benefits

Remote work