About WhatCampaign

Campaigns are the heartbeat of marketing, but launching them has become slow, messy, and expensive. Scattered spreadsheets, endless email chains, delayed approvals… marketers deserve better.

At WhatCampaign, we’re on a mission to simplify campaign operations. Our platform centralises everything: media plans, creative previews, approvals, and budgets - finally, all in one place.

We’re growing fast, backed by a team of builders, strategists, and marketers who believe in clarity over chaos. Our vision is simple: give marketing teams back their time and help them launch with confidence. And we’re looking for brilliant people to help us make it happen.

About the Role

Our team is building the backbone of WhatCampaign. From scalable APIs to seamless user experiences, we’re solving the complex workflows behind campaign launches with elegant, intuitive solutions.

We’re now looking for a Full-Stack Developer who can think big, ship fast, and collaborate across teams. If you thrive on clean code, smart architecture, and love the idea of shaping a product that’s transforming how marketers work, this role is for you.

What You’ll Be Doing

• Building and scaling backend services in Ruby on Rails with clean, RESTful APIs

• Developing frontend features in React.js, ensuring smooth, intuitive user experiences

• Collaborating with product managers, designers, and cross-functional teams to shape new features

• Implementing authentication, payment processing, and integrations with leading ad platforms

• Writing tests with RSpec, reviewing code, and maintaining high-quality standards

• Contributing ideas for improving performance, scalability, and reliability of the platform

What You’ll Need

• Bachelor’s degree from a top university in Computer Science, Engineering, or a related field

• 5 years of experience with Ruby on Rails

• 4+ years of experience with React.js

• Strong understanding of JWT authentication, OAuth 2.0, and RESTful APIs

• Database expertise with PostgreSQL

• Experience with asynchronous job processing

• Proven skills in testing and code quality (RSpec)

• Payment processing knowledge (Stripe)

• Strong communication and teamwork skills

• Problem-solving mindset with attention to detail

• Fluency in English

Nice to Have

• Experience in ad tech, martech, or agency tools

• Familiarity with Meta Business API, Google Ads API, TikTok Marketing API

• Understanding of multi-platform advertising workflows

• Experience with Docker containerization & CI/CD pipelines

• Experience integrating Stripe at scale

Why Join WhatCampaign?

• Be part of a product that’s changing the way campaigns are launched

• Join a small but ambitious team where your impact is immediate

• Collaborate on high-visibility features that make a real difference to marketers worldwide

• Shape not just code, but the future direction of the product