iKnowHow S. A.

Technology

BackendJavaDeveloper

€35–55k ~AI est. Neo Psychiko, Attica, Greece Remote Friendly
Market Sentiment
HIGH DEMAND

Neural analysis suggests this role is
optimal for Mid candidates.

The Brief

“Backend Java Developer at iKnowHow S. A.. Skills: Java development, Spring Boot, RESTful API. Develop demanding tasks. Transform requirements into functionalities”

Industry & Context.

Technology
Problems you'll solve

Debugging; Code refactoring

What They're Looking For.

Must Have

3–5 years Java development experience, Read, debug, refactor existing codebases

Nice to Have

Familiarity with microservices architecture, Familiarity with service discovery, Familiarity with API gateways

What You'll Do.

Develop demanding tasks

Transform requirements into functionalities

Ensure solution alignment with client needs

Ensure solution alignment with architecture team

Implement integrations with other applications

Implement integrations with developed modules

Assist with deployment

Assist with configuration management

How You'll Work.

Team & Collaboration

Architecture team; Internal software team

Process & Methodology

Waterfall implementation methodologies

Full Job Description

**iKnowHow Group** is a dynamic, international technology company with 24+ years of experience and a team of 300+ talented professionals delivering innovative technology solutions across Energy, Telecommunications, Banking & Financial Services, and the Public Sector. Through its specialized subsidiaries, it brings domain expertise in areas such as Health and Robotics—blending deep industry knowledge with advanced, future-ready technologies. At its core,** iKnowHow S.A.** delivers end-to-end project development - both internal and client-facing - turning strategy into scalable, real-world solutions. Our portfolio spans Data & AI platforms, enterprise integration, cloud-native applications, and large-scale digital transformation initiatives, enabling leading organizations across the public and private sectors to evolve and grow. We’re looking for curious, driven people who want to create impact through technology—and grow with us. We are now looking for an experienced **Backend Java Developer** with strong technical skills and solid working experience to join our internal software team. **Responsibilities:** * Development of demanding tasks of the projects. * Familiarity with Waterfall implementation methodologies. * Transform requirements into functionalities. * Ensure the alignment of the solution with the client's needs and especially with the architecture team. * Implementation of integrations with other applications and/or developed modules. * Assist with deployment and configuration management. **Requirements** * 3–5 years of professional Java development experience * Strong proficiency with Spring Boot, Spring Security, Spring Data and RESTful API design * Hands-on experience with JPA/Hibernate, databases (PostgreSQL), and Maven * Familiarity with microservices architecture, service discovery (Eureka), and API gateways * Solid understanding of JWT authentication, WebSocket (STOMP/SockJS), and asynchronous processing * Ability to read, debug, and refactor existi

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