The role involves designing scalable React front-end applications, mentoring junior engineers, and collaborating with cross-functional teams to deliver excellent user experiences.
ParcelHero is one of the UK’s biggest parcel delivery price comparison sites. With over 5 million visitors a year, and over 100 remote employees worldwide, we’re a technology-driven company that’s going places, delivering innovative solutions to ensure exceptional customer care. As a forward-thinking and dynamic business, we offer excellent career growth opportunities.
In 2025, we will be rolling out worldwide our new TMS (Transport management solution) Parcelhero Pro, which enables retailers to pay a monthly subscription to centralise all orders and ship on their own carrier accounts using our cutting-edge shipping platform.
At ParcelHero, we foster a collaborative and innovative culture where every team member's voice matters. We're a fast-paced, remote-first company that values initiative, adaptability, and a strong sense of ownership. If you're someone who thrives in a dynamic, ambitious, and forward-thinking team, you’ll fit right in with us.
Our engineering team is tackling exciting challenges such as designing scalable front-end architectures, building reusable component libraries, implementing advanced state management, and optimising performance for millions of users.
Our remote-first culture is collaborative and innovative, where every voice is heard, and we encourage initiative, adaptability, and ownership. If you're a dynamic and ambitious individual looking for a forward-thinking team, ParcelHero is the right fit for you.
Our Core Values:
We believe in clean code, peer reviews, and continuous learning. Engineers are encouraged to propose new technologies, contribute to open source, and influence technical direction.
Overall Purpose of Role
We are looking for a Senior Front-End Engineer specialising in React with 5+ years of professional experience. You will take ownership of designing and delivering scalable, maintainable, and performant front-end applications. Beyond coding, you’ll set best practices, mentor junior engineers, and work closely with design, product, and back-end teams to deliver seamless experiences
Why join?
- Direct impact: you’ll play a key role in evolving the front end of an established SaaS product used by real customers.
- Autonomy: influence architectural decisions and tooling choices.
- Growth: opportunities to progress as the team scales.
Skills and Competencies - Must haves
- Expert in JavaScript (ES6+) and TypeScript.
- Deep expertise with React (hooks, context, state management, component architecture, performance optimisation).
- Strong knowledge of CSS and responsive design principles.
- Proficient in accessibility (WCAG standards) and cross-browser compatibility.
- Testing experience: unit, integration, and end-to-end.
Optional positives
- Experience with Mantine UI library.
- Experience with Zustand for state management.
- Familiarity with React Query and Axios.
Qualifications and Experience
- 8+ years of professional front-end development experience, with at least 5 years focused on React in large-scale applications.
- Track record of building and deploying production-grade React applications.
- Experience mentoring developers and contributing to engineering culture.
- Excellent communication and collaboration skills in cross-functional teams.
- Bachelor’s degree in Computer Science, Engineering, or related field preferred (or equivalent practical experience).
12pm to 8:30pm Mon-Fri (GMT).
20 days holiday per year.
You work as a contractor and are responsible for your own tax.
You need a min 20 MB broadband line, and your own PC/Laptop and headset.
Top Skills
Axios
CSS
JavaScript
Mantine Ui
React
React Query
Typescript
Wcag
Zustand
Similar Jobs
Security • Software • Cybersecurity
The Senior React Engineer will lead frontend architecture at Forcepoint, optimizing performance, building reusable components, and collaborating with backend engineers.
Top Skills:
CSS3GitGraphQLHTML5JavaScriptNext.JsNode.jsReactScssTypescript
Cloud • Computer Vision • Information Technology • Sales • Security • Cybersecurity
The Technical Support Engineer resolves customer issues related to CrowdStrike services by troubleshooting and providing technical support, while ensuring customer satisfaction.
Top Skills:
AvFirewallLinuxSplunkVpnWindows
Cloud • Computer Vision • Information Technology • Sales • Security • Cybersecurity
The Regional Sales Manager will manage enterprise accounts, develop sales strategies, negotiate contracts, and build relationships with key executives. This role requires understanding cybersecurity solutions and collaborating across functions to drive business growth.
Top Skills:
CloudCybersecuritySaaSSalesforce
What you need to know about the Calgary Tech Scene
Employees can spend up to one-third of their life at work, so choosing the right company is crucial, not just for the job itself but for the company culture as well. While startups often offer dynamic culture and growth opportunities, large corporations provide benefits like career development and networking, especially appealing to recent graduates. Fortunately, Calgary stands out as a hub for both, recognized as one of Startup Genome's Top 100 Emerging Ecosystems, while also playing host to a number of multinational enterprises. In Calgary, job seekers can find a wide range of opportunities.
