Mid-Level Frontend Developer
Join our team as a Frontend Developer! Build interactive, high-performance web apps using React & TypeScript, grow your skills, and shape user experiences that make an impact.
We’re looking for a passionate and driven Mid-Level Frontend Developer to join a fast-growing team working on GuardNest, a highly innovative security platform developed by WorkNest.
You’ll be part of a collaborative frontend team responsible for turning well-defined designs and user flows into high-quality, performant user interfaces. Working closely with backend engineers and designers, you’ll help deliver a polished product that prioritises usability, maintainability, and clean code.
WorkNest Cyber operates with two closely aligned teams working toward a shared goal. The backend team uses Laravel, exposing structured JSON APIs that the frontend consumes. Designs, user flows, and diagrams are provided to the frontend team, who are responsible for implementing the final user experience using modern React and TypeScript for best practices.
This role is ideal for someone who enjoys solving problems, takes pride in writing quality code, and wants to grow alongside a supportive, technically strong team.
What You’ll be doing
Building and maintaining modern, responsive user interfaces using React and TypeScript
Consuming and managing data from backend APIs (JSON responses from Laravel services)
Writing and maintaining complex React Query logic for data fetching, caching, and state management
Translating designs, user flows, and diagrams into high-quality, accessible frontend implementations
Refactoring existing components to improve performance, readability, and maintainability
Collaborating closely with designers, backend developers, and fellow frontend engineers
Identifying, troubleshooting, and resolving bugs in a methodical and efficient way
Contributing to shared frontend standards, best practices, and coding guidelines
Participating in code reviews and knowledge-sharing within the team
An ideal candidate would have the following:
Proven commercial experience developing production-grade applications using React
Strong working knowledge of TypeScript, including the ability to model and maintain complex data structures
Experience designing, writing, and maintaining complex React Query hooks for data fetching and state management
Solid understanding of component-based architecture, reusable UI patterns, and modern frontend best practices
Practical experience using Git within a collaborative development environment, including branching strategies, pull requests, and code reviews
Ability to write robust, readable, and maintainable code that adheres to agreed standards and best practices
A structured and methodical approach to debugging, troubleshooting, and problem resolution
High attention to detail, particularly when implementing user flows, designs, and technical diagrams
Strong organisational skills with the ability to manage workload and priorities effectively within project timelines
A keen eye for detail with a genuine interest in user interface design and user experience, ensuring intuitive and consistent front-end delivery
Personal Qualities
Enjoys working as part of a team and supporting others
Keen to learn, improve, and grow technical skills over time
Takes ownership of work and cares about code quality
Comfortable giving and receiving constructive feedback
Proactive mindset with a desire to contribute beyond assigned tasks
Nice to Have
Experience working on corporate or enterprise-level web applications
Exposure to test-driven development (TDD) or frontend testing tools
Experience using ticket tracking or project management tools such as Jira
Familiarity with design systems or component libraries
Understanding of web accessibility and performance best practices
Location: Hybrid Role, Flexibility with office presence
Benefits
A small but passionate and friendly team to work with
A team culture of continual learning together with regular training sessions
Personal development opportunities
Company contributed pension scheme (following probation period)
25 days holiday plus bank holidays
Company paid social events
Office perks for example Breakfast, sweet treats or lunch
We understand that job descriptions provide only a brief overview of a role. If you would like more information, please feel free to reach out or submit an application, and we will be happy to share further details.
WorkNest Cyber is an equal opportunity employer. We celebrate diversity and are committed to fostering an inclusive environment for all employees.
- Department
- Software Engineering
- Locations
- Leeds
- Remote status
- Hybrid
Colleagues
About Pentest People
Pentest People is proud to join the WorkNest group, a collective of over 800 experts and industry-leading software solutions, unified by a shared mission to empower and protect organisations of every size.
By becoming part of this dynamic group, we’re enhancing our ability to deliver cutting-edge cyber security services while expanding the value we offer to clients. From employment law and HR to health and safety, ISO certification, and beyond, WorkNest brings together trusted names across the business landscape, all aligned under a single vision.
Being part of WorkNest marks a new chapter in our story, one that amplifies our ambition and reinforces our commitment to excellence.