Overview
Technologies
Salaries
Products
People
Growth
Offices
Jobs
Financials

Overview

IESF Group is a Swiss recruitment and management consulting firm working in Switzerland, Bulgaria and Eastern Europe. It recruits AI and ML engineers, cloud solutions engineers, PHP and Java developers for clients such as a supplier of eCustoms software to European Union institutions, with roles in Brussels, Luxembourg and Vienna. The firm is based in Switzerland.

Tech stack

Technologies named in job postings at IESF Group over the last 12 months, by layer, with the share of postings for each.
Technologies in use
13
Postings analysed
2
Stack modernity
77/100
Languages
PHP
JavaScript
Node JS
Solidity
Frameworks & libraries
API Platform
Symfony
Databases
PostgreSQL
Cloud & platforms
GCP
Tenderly
Developer tools
Docker
Practices & domains
Smart Contracts
DeFi
Other
Ethereum
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Growth

Hiring Momentum
31/100
Slowing
Open positions
5
0 opened / 2 closed in 30 days
Median time-to-fill
389 days
faster than 4% of the market
ATS activity
Every ~9 hours
Today
Hiring Dynamics 0%
Hiring Focus
The percentage next to each role is its share of the company's job openings over the last 90 days; the arrow shows the shift versus the previous period.
Backend
80% ▼
Web3
20% ▼
Activity Timeline
Added Scrum to stack Oct 2026
Added PostgreSQL to stack Oct 2026
Added GCP to stack Oct 2026
Added API Platform to stack Oct 2026
Added Agile to stack Oct 2026
Added Ethereum to stack Oct 2026
Added Tenderly to stack Oct 2026
Added Solidity to stack Oct 2026
Added Smart Contracts to stack Oct 2026
Added DeFi to stack Oct 2026
Added Rest API to stack Sep 2026
Added SOAP to stack Sep 2026

Offices

Where the company hires and what each office is for
Cities
1
Hiring now
1
Countries
1
Busiest office
Brussels
Brussels Belgium
2 open roles 100% engineering 50-200 est. staff
hires for Backend
seen since Aug 2025 job postings
Earlier presence
Vienna, Austria last posting Aug 2025
Luxembourg City, Luxembourg last posting Aug 2025

Jobs

≈ $151k – $266k per year (Estimated) · Remote (United States) · Full-Time · 3+ years exp
JavaScript
Node JS
Solidity
Tenderly
Smart Contracts
Ethereum
DeFi
Apply
≈ $44k – $85k per year (Estimated) · Remote (Bulgaria) · Full-Time · 4+ years exp
PHP
Symfony
API Platform
Databases
PostgreSQL
DevOps
GCP
Docker
Management
Agile
Scrum
Apply
Remote (EU, Argentina) · Contractor · 9+ years exp · PhD
JavaScript
Java
TypeScript
Spring Boot
Hibernate
Databases
Oracle
ActiveMQ
Apache Kafka
Frontend
Angular
DevOps
Rest API
CI/CD
Git
AWS
Docker
Bamboo
IAM
SOAP
Apache HTTP Server
Apply
In office · Contractor · 15+ years exp · PhD · Brussels
JavaScript
PHP
TypeScript
Node JS
Symfony
Databases
Oracle
Frontend
Angular
Bootstrap
DevOps
Rest API
CI/CD
Git
Bamboo
Management
Jira
Apply
≈ $99k – $213k per year (Estimated) · In office · Contractor · 15+ years exp · Bachelor's Degree · Brussels
JavaScript
PHP
TypeScript
Node JS
Symfony
Databases
Oracle
Frontend
Angular
Bootstrap
DevOps
Rest API
CI/CD
Git
Bamboo
Management
Jira
Apply