Web / App Developer

Dashe; Leeds; Hybrid; GBP 40,000 - 60,000; Full time

Job summary

A technology startup in Leeds is seeking a frontend-focused developer to manage the web platform and evolve their mobile presence. The ideal candidate will have strong skills in React and Next.js, with opportunities to develop mobile apps in Swift and Kotlin. Responsibilities include building complex dashboards, creating mapping interfaces, and integrating with a Django/FastAPI backend. If you're adaptable in a fast-moving environment, this role offers real ownership over features and impact on customers.

Qualifications

• Strong proficiency in React and Next.js.
• Experience with data visualization libraries (D3.js, Chart.js, Recharts, or similar).
• Experience with map libraries (Mapbox, Leaflet, or similar).

Responsibilities

• Building the web dashboard and complex data visualizations using React & Next.js.
• Creating map-based interfaces for supply chain and travel emissions.
• Collaborating on native mobile apps with support to learn Swift and Kotlin.

Skills

React

Next.js

Data visualization libraries

Map libraries

Willingness to learn Swift/Kotlin

Education

Any degree

Tools

Django

FastAPI

Docker

OpenStreetMap tooling

Job description

Company Stage: Late-stage startup / early-stage scale up

Company Description

Dashe provides automated carbon emissions tracking for businesses. Our platform calculates real-time carbon footprints through mobile apps, desktop applications, and web dashboards, helping companies understand and reduce their environmental impact. We're a small, fast-moving team rebuilding our tech stack and scaling our product.

Role Description

We are looking for a frontend-focused developer to own our web platform and help evolve our mobile presence. Your core strength should be in React, but this role offers a unique opportunity to expand your skillset: while you will start by building out our web dashboards, you will also have the chance to learn and contribute to our native mobile apps over time.

This is a hands-on role in a startup environment. You'll work directly with the founding team, have real ownership over features, and see your work in front of customers quickly.

What You'll Work On

• Core Dashboard: Building the web dashboard and complex data visualizations using React & Next.js.
• Mapping: Creating map-based interfaces for supply chain and travel emissions.
• Mobile Learning: Collaborating on our native mobile apps (iOS and Android), with support to learn Swift and Kotlin on the job.
• Integration: Connecting front-end interfaces with our Django/FastAPI backend.

Requirements

• Strong proficiency in React and Next.js.
• Experience with data visualisation libraries (D3.js, Chart.js, Recharts, or similar).
• Experience with map libraries (Mapbox, Leaflet, or similar).
• A willingness to learn native mobile development (Swift/Kotlin).

Nice to Have:

• Experience with Swift (iOS) or Kotlin (Android) is a massive plus, but not required.
• Familiarity with Python web frameworks (Django, FastAPI, or Flask).
• Experience with Docker or OpenStreetMap tooling.
• Any degree (subject doesn't matter).

What We're Looking For

• Open on Experience: Whether you're a recent graduate or have years under your belt, we care more about what you can actually do than how long you've been doing it. The application process will include a technical assessment.
• Adaptability: You should be comfortable in a fast-moving environment where priorities shift and you'll wear multiple hats. If you prefer established processes and clear boundaries, this probably isn't the right fit.
• Location: Ability to be in Leeds one day per week.

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Web App Developer • Greater Leeds Area, United Kingdom