Hybrid Senior Frontend Engineer

at Teya

• Job title: Senior Frontend Engineer
• Job type: Full Time
• Experience level: Senior
• Salary: Not specified
• Degree requirement: Bachelor's Degree
• Tech skills: JavaScript, Next.js, React, Redux, TypeScript
• Location requirements: Hybrid, Porto, Portugal

About the role

• Senior Frontend Engineer developing and maintaining back-office applications for Teya. Enhancing user interfaces for 100 customer agents to support over 800,000 merchants.

Responsibilities

• Lead the design, development, and implementation of highly responsive and scalable web applications using React, Next.js, and a strong emphasis on TypeScript.
• Collaborate deeply with product and design teams to understand the unique needs of our customer agents and translate complex operational workflows into intuitive and efficient user interfaces.
• Develop robust, data-intensive UIs that handle large datasets and complex business logic, ensuring high performance and responsiveness for our internal users, leveraging TypeScript for robust type checking and improved code quality.
• Write clean, maintainable, and efficient code, ensuring high performance and reliability of mission-critical internal applications, with a focus on type-safe development practices.
• Actively participate in code reviews, providing constructive feedback to peers and mentoring junior engineers, particularly on effective TypeScript usage and best practices in the context of large-scale internal tools.
• Identify and address performance bottlenecks and bugs, ensuring a smooth and uninterrupted experience for our customer agents.
• Contribute to the ongoing improvement of our frontend development practices, tooling, and standards, with an emphasis on internal system development and type safety.
• Stay up-to-date with the latest frontend technologies, trends, and best practices, applying them to enhance our back-office platforms.

Requirements

• 5+ years of professional experience in frontend development.
• Expert-level proficiency in TypeScript, including advanced type manipulation, generics, and understanding of complex type inference.
• Strong proficiency in React.js and its core principles, developed with a type-safe approach.
• Extensive experience with Next.js for server-side rendering, static site generation, and API routes, with a focus on TypeScript integration.
• Solid understanding of modern JavaScript (ES6+), HTML5, and CSS3.
• Experience with state management libraries (e.g., Redux, Context API, Zustand) in a TypeScript environment.
• Familiarity with consuming RESTful APIs, with an understanding of how to define and use types for API responses.
• Strong understanding of web performance optimization techniques.
• Experience with version control systems (e.g., Git).
• Excellent problem-solving skills and attention to detail.
• Strong communication and collaboration abilities, especially when working with internal stakeholders.

Benefits

• Health Insurance
• Meal Allowance
• 25 days of Annual leave (+ Bank holidays)
• Public Transportation Card
• Frequent team events & activities in the office and outside
• Office snacks every day
• Flexible working hours