# Competences — ICT application developer

Source: ESCO v1.2.1 occupation-skill relations (http://data.europa.eu/esco/occupation/bd272aee-adc9-4a06-a15c-a73b4b4a46a7).

## Essential

- **analyse software specifications** (skill/competence)
- **computer programming** (knowledge)
- **create flowchart diagram** (skill/competence)
- **debug software** (skill/competence)
- **develop automated migration methods** (skill/competence)
- **develop software prototype** (skill/competence)
- **ICT debugging tools** (knowledge)
- **identify customer requirements** (skill/competence)
- **integrated development environment software** (knowledge)
- **interpret technical texts** (skill/competence)
- **manage business knowledge** (skill/competence)
- **propose ICT solutions to business problems** (skill/competence)
- **tools for software configuration management** (knowledge)
- **use an application-specific interface** (skill/competence)
- **use software design patterns** (skill/competence)
- **use software libraries** (skill/competence)
- **utilise computer-aided software engineering tools** (skill/competence)

## Optional

- ABAP (knowledge)
- adapt to changes in technological development plans (skill/competence)
- AJAX (knowledge)
- Ajax Framework (knowledge)
- Ansible (knowledge)
- Apache Maven (knowledge)
- APL (knowledge)
- ASP.NET (knowledge)
- Assembly (computer programming) (knowledge)
- C# (knowledge)
- C++ (knowledge)
- COBOL (knowledge)
- collect customer feedback on applications (skill/competence)
- Common Lisp (knowledge)
- design user interface (skill/competence)
- develop creative ideas (skill/competence)
- develop food scanner devices (skill/competence)
- do cloud refactoring (skill/competence)
- Drupal (knowledge)
- Eclipse (integrated development environment software) (knowledge)
- Groovy (knowledge)
- Haskell (knowledge)
- hybrid model (knowledge)
- IBM WebSphere (knowledge)
- ICT security legislation (knowledge)
- integrate system components (skill/competence)
- Internet of Things (knowledge)
- Java (computer programming) (knowledge)
- JavaScript (knowledge)
- JavaScript Framework (knowledge)
- Jenkins (tools for software configuration management) (knowledge)
- KDevelop (knowledge)
- Lisp (knowledge)
- MATLAB (knowledge)
- Microsoft Visual C++ (knowledge)
- migrate existing data (skill/competence)
- ML (computer programming) (knowledge)
- NoSQL (knowledge)
- Objective-C (knowledge)
- object-oriented modelling (knowledge)
- Open source model (knowledge)
- OpenEdge Advanced Business Language (knowledge)
- Outsourcing model (knowledge)
- Pascal (computer programming) (knowledge)
- Perl (knowledge)
- PHP (knowledge)
- Prolog (computer programming) (knowledge)
- Puppet (tools for software configuration management) (knowledge)
- Python (computer programming) (knowledge)
- R (knowledge)
- Ruby (computer programming) (knowledge)
- Salt (tools for software configuration management) (knowledge)
- SAP R3 (knowledge)
- SAS language (knowledge)
- Scala (knowledge)
- Scratch (computer programming) (knowledge)
- software anomalies (knowledge)
- software frameworks (knowledge)
- SPARK (knowledge)
- SQL (knowledge)
- STAF (knowledge)
- Swift (computer programming) (knowledge)
- TypeScript (knowledge)
- use automatic programming (skill/competence)
- use concurrent programming (skill/competence)
- use functional programming (skill/competence)
- use logic programming (skill/competence)
- use object-oriented programming (skill/competence)
- use query languages (skill/competence)
- VBScript (knowledge)
- Visual Basic (knowledge)
- WordPress (knowledge)
- World Wide Web Consortium standards (knowledge)
- Xcode (knowledge)

<!-- market-evidence -->

## Market evidence (job-ad analysis, 19 ads, as of 2026-07-12)

Share of analyzed job ads mentioning the item (threshold ≥ 20 %). Source: JSearch/Adzuna APIs.

### Hard skills

- application development — **32 %**
- software design — **26 %**
- software development — **26 %**
- api development — **21 %**
- data modeling — **21 %**
- debugging — **16 %**
- performance tuning — **16 %**
- system integration — **16 %**
- web application design — **16 %**
- web application development — **16 %**

### Methods

- ci/cd — **21 %**
- DevSecOps — **16 %**
- agile development — **16 %**

### Responsibilities

- code review — **21 %**
- system maintenance — **21 %**

<!-- market-evidence -->