Senior Software Engineer (Front End)

Jobtailor; Oxford; On-site; GBP 60,000 - 90,000; Full time

Job summary

Jobtailor in Oxford is seeking a Senior Frontend Developer to design, develop and maintain modern frontend applications using React, TypeScript and JavaScript.

You will build reusable components, contribute to architecture for scalable, high-performance systems, and collaborate with cross-functional teams including product, UX, and backend engineers.

The role emphasizes testing, accessibility, CI/CD, and mentorship of junior engineers in a fast-paced Agile environment.

Qualifications

• Bachelor’s degree in Computer Science or related field.
• Minimum of 5 years experience as frontend developer.
• Experience building large-scale applications.
• Experience designing and integrating RESTful APIs and asynchronous programming.
• Excellent programming skills in React, JavaScript, and TypeScript.
• Experience with state management solutions (Redux, Zustand, React Context).
• Familiarity with Git-based development workflows and CI/CD.
• Excellent analytical and problem-solving skills with focus on clean code.

Responsibilities

• Design, develop, test, and maintain modern frontend applications using React, TypeScript, and JavaScript.
• Build reusable UI components and scalable frontend architectures.
• Contribute to architecture for end-to-end systems optimized for speed and scale.
• Contribute to CI/CD pipelines and frontend automation.
• Champion engineering practices including testing, accessibility, performance optimization, and maintainable code.
• Collaborate with Product Managers, UX designers, scientists, and backend engineers to translate user needs into high-quality software.

Skills

React

JavaScript

TypeScript

Redux

Zustand

React Context

REST APIs

Unit testing

CI/CD

Git

Education

Bachelor’s degree in Computer Science

Tools

Postgres

MongoDB

MySQL

Job description

• Design, develop, test, and maintain modern applications usingReact,TypeScript, and JavaScript.
• Build reusable, maintainable UI components and scalable frontend architectures.
• Contribute to architecture for building end-to-end systems optimized for speed and scale.
• Contribute to CI/CD pipelines and frontend automation.
• Champion engineering best practices including testing, accessibility, performance optimization, and maintainable code.
• Participate in all aspects of agile software development, including design, implementation, and deployment.
• Ensure application performance, uptime, and scale, and maintain high standards for code quality and application design.
• Provide mentorship and guidance to junior engineers.
• Collaborate closely with Product Managers, UX designers, scientists, and backend engineers to translate user needs into high-quality software.

Requirements

• Bachelor’s degree in Computer Science, or related field.
• Minimum of 5 years experience as front end developer.
• Demonstrated expertise and experience in building large scale applications.
• Experience in designing and integrating RESTful APIs and asynchronous programming.
• Excellent programming skills in the following: React, JavaScript, Typescript.
• Experience with state management solutions (Redux, Zustand, React Context or similar).
• Familiarity with database technology such as Postgress/MongoDB/MySQL.
• Experience writing unit, integration, and end-to-end tests.
• Familiarity with Git-based development workflows and CI/CD.
• Excellent analytical and problem-solving skills with focus on clean code.

Core Competencies

Demonstrates expertise in designing and developing scalable frontend applications using React, TypeScript, and JavaScript, while ensuring high standards for code quality and performance. Proficient in collaborating with cross-functional teams and mentoring junior engineers to foster a culture of best practices in software development.

Soft Skills

• Analytical Skills
• Problem-Solving Skills
• Mentorship

Tools & Technologies

• Git
• Postgres
• MongoDB
• MySQL