Case Study

Building a High-Scale ATS and Advertising Engine for We Select

Feature banner showcasing the We Select all-in-one hiring platform interface as a Vivasoft software development case study.
Client
We Select Logo

region-iconIndustry

region-icon Region
Stockholm, Sweden

Overview

We Select is a leading recruitment technology platform based in Stockholm, Sweden. They specialize in talent acquisition and employer branding solutions for businesses across Europe. Since 2011, they have connected high-tier candidates with top organizations through an automated hiring ecosystem. However, they faced significant growth barriers due to soaring development costs.

They hired Vivasoft as a development partner to provide a high-performing augmentation team at a sustainable cost. Vivasoft implemented a comprehensive engineering model to handle the platform's complex technical scope. This included managing web crawlers, data engineering pipelines, and backend infrastructure.

The team mastered the candidate pipeline lifecycle through rapid domain onboarding. They refactored existing features and built a scalable architecture for the Applicant Tracking System (ATS). Vivasoft also optimized the multi-channel advertising engine for platforms like LinkedIn, Snapchat, and Indeed.

The partnership resulted in a more robust platform with advanced recruitment marketing analytics. They successfully integrated localized Swedish job boards like AMS into their advertising engine. The new system supports seamless third-party interview management and background check workflows.

Vivasoft’s resource model provided multiple developers for the same budget, accelerating feature delivery significantly. Today, We Select maintains a growing product line with a scalable and cost-effective infrastructure.

Technologies Used

Dot Net

Type Script

Python

React

Dot Net Core

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Django

MS SQL Server

PostgreSQL

Next JS

MongoDB

Azure

MySQL

GCP (Google Cloud Platform)

Challenges & Solutions

Challenges

The primary challenge was Domain Transfer and Knowledge Acquisition. Within the recruitment technology space, the team needed to gain a deep understanding of complex, domain-specific requirements. As the platform involved specialized workflows, the team initially focused on:

Rapid Domain Onboarding: Familiarizing the team with the structure and lifecycle of the candidate pipeline

Logic Mapping: Understanding the dependencies of multi-stage screening processes and local Swedish market nuances.

Architecture Migration: Handling the transition of the technical scope from the previous European developers to a unified Vivasoft team.

Integration: Architectural considerations for integrating new features into an existing, complex system without disrupting live operations.

Solution

To address this, the team adopted a structured and accelerated domain-onboarding approach combined with iterative system analysis. Vivasoft implemented an “All-Under-One-Roof” technical scope, consolidating Web Crawlers, Data Engineering, Backend, and Frontend development.

This enabled the team to:

Consolidate Infrastructure: Manage the web crawling engines and data engineering pipelines alongside the main application.

Refactor & Optimize: Improve existing features for better modularity and maintainability.

Scale the Roadmap: Design and implement new features using a scalable architecture that allows for rapid feature deployment.

Cost-Efficient Augmentation: By leveraging Vivasoft’s resource model, We Select was able to deploy multiple developers for the same budget previously spent on a limited European team, increasing brainstorming capacity and output speed.

Team Involvement

ResourcesCount
Backend Developers3
Frontend Developers1
Data Engineer 1
SQA1

Core Features of the Software

Multi-Channel Job Advertising Engine

Vivasoft developed a robust distribution engine for the We Select platform that engages both active and passive candidates across their preferred digital spaces. The system automates job postings across Facebook, Instagram, LinkedIn, Snapchat, and Indeed, as well as localized Swedish job boards such as AMS. By implementing optimized targeting algorithms, Vivasoft ensured that We Select’s users could significantly increase visibility and attract higher volumes of qualified applications.

Employer Branding Campaign Management

To help We Select’s clients highlight their company culture, Vivasoft implemented a strategic branding module focused on social media storytelling. This feature allows organizations to build long-term talent pipelines through targeted advertising campaigns. These tools strengthen an employer’s market positioning, making them a preferred choice for top-tier talent in competitive industries.

Intelligent Applicant Tracking System (ATS)

Vivasoft engineered an Intelligent Applicant Tracking System (ATS) to streamline the journey from initial application to the first day of employment. The software automates high-volume tasks, including candidate categorization, interview scheduling, and background checks. To align with regional requirements, Vivasoft integrated the system with third-party interview management and testing tools common in the Swedish hiring ecosystem, ensuring that hiring managers remain synchronized throughout the process.

Recruitment Marketing Analytics

Through the integration of the Mondea dashboard, Vivasoft provided We Select with high-level analytics to track and optimize advertising performance. Users can gain deep insights into recruitment ROI via real-time tracking of view rates, candidate demographics (such as gender and age), and channel-specific performance.

Smart Budget Distribution

This allows recruiters to set a total campaign budget (e.g., $1,500) which the system then automatically splits across platforms like LinkedIn, Snapchat, and Facebook to optimize for the highest possible impressions and clicks.

Engagement Duration

The project started in June 2024. Since then, Vivasoft has transitioned from a service provider to a core development partner. Now they are actively working with We Select to develop newer features and scale technical infrastructure.

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Looking to Scale Your Platform Without The Added Cost?

Try VivaSoft LTD. We specialize in strategic development augmentation and "All-under-one-roof" engineering teams to fast-forward feature delivery. If your platform is stuck due to high development costs or limited resource capacity, Vivasoft can help you scale, just as we did for We Select. Book a call today to be in one of the upcoming stories.
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