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6786: Digit A3 | Java Developer

Work Mode: Near Site (within 2h from client location- see below)

Client Name: DG DIGIT | Directorate-General for Informatics | DIGIT.A.3 (Solutions for Legislation, Policy and HR) | DIGIT.A.3.001 (Solution Architecture & Digital Transformation)

Client Location: Brussels, Belgium

Daily rate for this project: € 500 per day excl VAT

Confirm work mode

Yes, I'm ready to work Near Site ( within 2h from client premisses)

I understand this role is not for working remotely from another country. I will be residing not further than 2 hours away from the Client location.

Yes, I'm OK with the daily rate of € 500 per day

I understand this is a non negotiable rate for this project.

Project description

For this Project the European Institution is hiring Digit A3 | Java Developer

You will join the project as: Contractor (Freelancer)

Project location: Brussels, Belgium

Tentative Project Start date: 30 days post selection

The mission of DIGIT.A.3 is to deliver Digital Business solutions for the European Commission and its stakeholders as well as for public administrations and citizens in the Member States in cooperation with other Commission services. These Digital Business solutions focus on improving the Commission’s efficiency using IT business solutions as an enabler and cost-saver.

• Read and understand executable BPMN2.0 specifications

• Read and understand BPMN and UML models

• Read and understand functional and technical requirements

• Implement existing functional requirements for back-end / front-end using project selected technologies

• Apply implementation best practices

• Design and develop APIs.

• Participating in the design and creation of scalable software.

• Taking lead on projects, as needed.

• Maintenance of code integrity and organisation.

• Creation of micro services and databases for functionality.

• Design and implementation of data storage solutions.

• Integration of DevOps pipelines

• Design of user interactions on web pages.

• Development of features to enhance the user experience.

• Design responsive applications.

• Compile and analyse data, processes, and codes to troubleshoot problems and identify areas for improvement.

• Prepare and implement Test scenarios and cases

• Testing and fixing bugs or other coding issues.

• Understanding and implementation of security and data protection.

• Meet both technical and consumer needs.

• Write technical documentation.

Following skills and knowledge are required for the performance of the above listed tasks:

• Expertise in developing applications with Java, Spring, Spring Boot, Kafka

• Good knowledge of architecture best practices and patterns.

• Good knowledge of microservices and architecture in the cloud.

• Good knowledge of Event Driven architecture, Event Sourcing and CQRS.

• Good knowledge of application design.

• Good knowledge of modelling tools and standards (BPMN).

• Good knowledge of Relational DBMS.

• Good knowledge of DevOps pipelines

• Knowledge of Graph Databases is a plus

• Good knowledge of business process analysis, modelling and automation with Camunda.

• Knowledge of interoperability technology (web services, message oriented middleware, service oriented bus,

event architecture).

• Expertise in Angular 14+, Javascript and front-end architecture and development

• Rapid self-starting capability. Excellent interpersonal and communication skills.

• Knowledge of micro-frontend architecture

• Delegation and decision-making skills

• Good knowledge of modelling tools and standards (BPMN).

• Ability to cope with fast changing technologies used in application architecture and design.

• Excellent interpersonal and communication skills

• Good redaction skills.

• Ability to give technical presentations.

• Ability to apply high quality standards.

SPECIFIC EXPERTISE

Strong expertise in one or more of the following:

• Experience with middleware integration platforms. Experience with micro-services, macro-services and eventdriven based architectures

• Expertise in using Java, Spring & Spring Boot

• Kafka Message Broker

• Relational DB Oracle

• Elastic Search

Due to the particular nature of a large international organisation such as the European Commission, candidates should also have the following non-technical skills:

• Capability of integration in an international/multicultural on multiple large projects;

• Excellent Team Player

• Ability to understand, speak and write in English

• High degree of discretion and integrity is required as the applications managed and maintained in DIGIT A3 contain personal and confidential data

• Strong expertise in process analysis for streamlining and automation. Familiarity with the contemporary tools and techniques for process automation. Business Process Management and Modelling techniques, BPMN 2.0 specification. Strong knowledge and experience with Camunda framework to apply executable BPMN specification subset restrictions and Camunda specific configuration

• Experience with Angular 14+, Javascript and front-end architecture and development:

• Very good expertise in micro-frontend architecture patterns

• Knowledge and understanding of cloud architecture pattern and integration tools (AWS/Microsoft Azure)

• Very good expertise in Angular 14+ framework and Typescript.

• Expertise in Javascript: knowledge of the specificities of ES6 and TypeScript.

• Proven experience in Client-side Single Page Application development.

• Good expertise and effective work experience in CSS/SASS, HTML5, and SVG.

• Effective work experience in big UI projects: multi-modules, multiple target devices. Maintenance of a large codeset.

• Effective work experience in NodeJS development and dependency management.

• Knowledge of Redux architecture with NgRx and state management is a plus.

• Knowledge in PWA development using Ionic/Angular is a plus.

•Experience in Web application security:

• Effective work experience with authentication systems based on SSO and CAS: Session cookie management through REST API, session time-out state recovery.

• Expertise in Web vulnerabilities, including Cross site scripting and Cross site request forgery.

Expertise in Continuous Integration and Deployment :

• Working experience with the following tools: GitLab, JIRA, Confluence, Bamboo, Nexus, Crucible, Jenkins and Sonar.

• Modern DevSecOps Experience with Docker and Kubernetes is a plus.

Given the necessity to readily become operational in the European Commission context in this particular field, the following are considered significant advantages:

• Knowledge of middleware integration platforms, micro-services, macro-services and event-driven based architectures.

• Development knowledge, in particular with Java Spring and Angular

• Ability to cope with fast changing technologies used in application architecture and design and cloud architecture integration

• Compass Corporate knowledge: capabilities (business and technical), technical setup (availability of environments, etc.), existing processes already automated with Compass Corporate. Compass Corporate

framework: tasks configuration, microservices configuration

• Experience with the Commission’s Reusable Solutions Platform, in particular with Compass Corporate, API Gateway, eUI, EU Login, Secunda+, Dynamic Forms and Kafka

• Experience with ARIS (EA/BPM tool)

6786: Digit A3 | Java Developer

I, the undersigned, Krzysztof Tkacz agree with the iCrowd.co's marketplace General terms & conditions and the Specific terms and conditions, which are applicable to the application process for the job opening (project) Digit A3 | Java Developer.

I agree to be introduced for this project and I confirm that:

I agree to attend a video call interview or a Face to Face (if requested by the client) in which my skills, knowledge and expertise will be assessed

In the case of successful interview round (s) and if I'm selected for this job role, I agree to:

Sign the required paperwork for onboarding provided by the respective European Institution partner ( not iCrowd.co) through which my application has been shared with the European Institution.

Start the project within the timeframe of max 60 days (post the day i have been selected).

To register my (freelance) company and provide the European Institution partner with a valid VAT number

Relocate and work from the location of the European Institution or in proximity to it. In case remote working option or work from home is allowed by the European Insitution and my relocation is not required then I agree to have the required infrastruture such as reliable internet connectivity and / or own laptop, if required.

I consent to share copies of all my degree certificates and any other certifications acquired as included in my CV, upon European Institution partner's request at any time before and after the date of signature of this application consent.

I’m fully aware that there are applicable financial penalties and by me reconfirming my interest in this project I fully commit to accept the project for its full duration (which will be communicated with me post my project acceptance) against the pre-agreed daily rate (already communicated to me by the vendor partner).

In case, I discontinue the application process with the European Institutions at any time (from the moment my CV is submitted to the European Institution to my first date of joining the project) I agree to pay the amount of EUR 2.500 within 30 days (post i have announced my decision) to the below bank account:

International bank account number: NL86 ABNA 0404 9789 59

SWIFT/BIC code: ABNANL2A

IT World Web.com Enterprise BV (owner of the brand name iCrowd.co)

Chamber of Commerce number: 59659955

International VAT number: NL 853592871B01

(When making the payment please always provide the job role number and name)

I also consent that I shall not be engaged in another project from Monday- Friday, with a European Institution or another client, at the same time as I'm engaged with the project for which I'm now providing my consent. I understand that working for another client next to delivering my services to the European Institution is punishable under the framework contract. I understand I'm allowed to pursue other projects in the weekend, Saturday-Sunday, if this is not in conflict with the project I now consent to.

This consent is valid for 30 days from the job's deadline. It might be terminated at the earliest of occurrence of one of the following events:

If within 15 working days from the job's deadline, I do not receive any date for a face to face or video call interview nor any information regarding my application status for this job role.

If 30 days after the job's deadline, no intentions have been communicated to me to be hired for the proposed job role.

I consent that my personal datails (name, contact information and CV) in accordance with the General Data Protection Regulation (GDPR) (EU) 2016/679, may be shared with all parties involved, namely the vendor partner agency, iCrowd.co, the European Institution partner (through which my application will be processed) and the European Institution.

This Application Consent shall be governed by and constructed in accordance with the Laws of the Netherlands. The Courts of the Netherlands shall have jurisdiction on any dispute relating to this Application Consent.

Applicant Consent Details

1. Job (Project) details

Yes, I'm ready to work Near Site ( within 2h from client premisses)

Yes, I'm OK with the daily rate of € 500 per day. I understand this is a non negotiable rate for this project.

2. Accept iCrowd.co Marketplace T&C

Hereby I, Krzysztof Tkacz sign this legally binding document and agree to be introduced for the job role: Digit A3 | Java Developer.

Date:04/07/2025

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