MId-Senior Java Software Engineer

5 days ago

Athens, Attica, Greece OKTO Full time €40,000 - €60,000 per year

OKTO's continuous growth demands high-caliber candidates, who can demonstrate professionalism, passion, and creativity. For those who come on board, we offer significant career advancement, challenges, and a runway for growth.

OKTO powers digital payments for every entertainment, leisure, and gaming environment. Our unified payment platform combines secure, real-world transactions with the most powerful payment technology to create immersive payment experience for both merchants and their users.

Since 2019, OKTO has been improving payment interactions for online and retail gaming and introducing frictionless payments with its local knowledge, sector expertise and international capabilities.

The expanding business now employs over 200 payment experts, gaming insiders and software engineers, serving some of the most exciting international markets including, Brazil, Latin America, Romania, Greece, the UK and Spain.

We're looking for a skilled Java Middleware Engineer to join our growing team at OKTO to support the development of scalable payment technologies. If you're passionate about clean code, microservices, and creating impactful solutions, we'd love to hear from you.

Your responsibilities will include but will not be limited to:

  • Ability to develop new product functionality based on business and technical requirements
  • Produce performance optimized code that is properly unit tested
  • Support SIT, UAT and production environments
  • Apply modern Agile methodologies

Requirements

  • Excellent academic background. Bachelor or Master's degree in a Computer Engineering field or related area
  • Proven experience 5+ years in middleware application development using Java programming language (at least 1 year using Java 8)
  • Java 8 Functional Programming as well as Object-Oriented design (OOD)
  • Some familiarity with Event-Driven software design patterns
  • Strong written and verbal communication in English and Greek
  • Good technical writing for product requirements, design documents and product specifications
  • Working with versioning and source control systems (e.g. Git)
  • Analytical and practical thinking
  • Team player

Specific experience:

  • Java 8 microservices with Spring Boot and Spring Cloud (Netflix OSS)
  • Spring 5 Framework, OAuth2 Security, JPA persistence and ORM modelling, Restful API design
  • Proficient understanding of Git code versioning tool

Benefits
Competitive Compensation

Modern Equipment

Career Growth

Continuous Learning

Inclusive Environment

Work-from-home

  • Senior Java Software Engineer

    1 week ago

    Athens, Attica, Greece mSensis Talent Acquisition Full time €50,000 - €60,000 per year

    Role DescriptionThis is a full-time hybrid role for a Senior Java Software Engineer located in Athens, with some work from home acceptable. The Senior Java Software Engineer will be responsible for designing, developing, and maintaining Java-based applications. The day-to-day tasks include working on software development projects, integrating and utilizing...

  • Senior C#/Java Software Engineer

    2 days ago

    Athens, Attica, Greece Egon Software Greece Full time €45,000 - €75,000 per year

    Company Overview:Egon Software Pvt. Ltd. (ESL) is a wholly owned subsidiary of Egon Holdings SA, a Luxembourg-based company. Egon Holdings (EHS) is a privately owned conglomerate with diverse interests inDiamonds & Jewelry, Mining, Real Estate, and Investments, conducting operations in13 countrieswith a strong reputation for service reliability and...

  • MId-Senior Java Software Engineer

    5 days ago

    Athens, Attica, Greece Okto Pay Full time €60,000 - €80,000 per year

    OKTO's continuous growth demands high-caliber candidates, who can demonstrate professionalism, passion, and creativity. For those who come on board, we offer significant career advancement, challenges, and a runway for growth.OKTO powers digital payments for every entertainment, leisure, and gaming environment. Our unified payment platform combines secure,...

  • Senior Java Software Engineer

    2 weeks ago

    Athens, Attica, Greece InventYou Full time €60,000 - €80,000 per year

    We are seeking a Senior Java Software Engineer with proven expertise in performance optimization, scalability, and system reliability. You will play a key role in fine-tuning high-load, distributed systems and ensuring smooth performance across mission-critical applications.This is an ideal role for engineers who are passionate about improving performance at...

  • Senior Java Engineer

    7 days ago

    Athens, Attica, Greece Uni Systems Full time €60,000 - €90,000 per year

    At Uni Systems, we are working towards turning digital visions into reality. We are continuously growing, and we are looking for a Senior Java Engineer to join our UniQue team.What will you be bringing to the team?Lead the design, development and optimization of enterprise Java-based applications using Spring, Java EE, or QuarkusDefine and enforce software...

  • Mid-level Java Software Engineer

    3 days ago

    Athens, Attica, Greece Grant Thornton Greece Full time €25,000 - €45,000 per year

    Who we AreAt Grant Thornton Greece, we're not just part of a global network of 73,000 professionals across 150 countries. We're independent thinkers who prioritize quality, inclusion, and integrity to create a better, more personal experience for our clients and our team. Our mission? To deliver expertise in a way that goes beyond — Personal, Proactive,...

  • Java Software Engineer

    2 days ago

    Athens, Attica, Greece PRODYNA Full time €25,000 - €45,000 per year

    PRODYNA focuses on customer experience, by designing, implementing, and operating custom software applications for mid to large size enterprises. We are committed to offering our customers innovative and future-proof solutions, through digitalisation and cloud computing strategies. As a member of Cloud Native Computing Foundation (CNCF), PRODYNA promotes...

  • Java Software Engineer

    1 week ago

    Athens, Attica, Greece mSensis Talent Acquisition Full time €45,000 - €60,000 per year

    Role DescriptionThis is a full-time hybrid role for a Java Software Engineer located in Athens, with some work from home acceptable. The Java Software Engineer will be responsible for developing and maintaining software applications, creating microservices, and utilizing the Spring Framework. The role includes writing and testing code, debugging programs,...

  • Senior Java Software Engineer

    1 week ago

    Athens, Attica, Greece Sword Services Greece S.A. Full time €35,000 - €60,000 per year

    Sword Services Greece S.A. is seeking to recruit a high caliber, energetic individual to join our newly established Software Development team in Greece as Senior Java Software Engineer. The successful candidate will work in a multinational environment on a multitude of tasks supporting our core business in large International Information Systems. The company...

  • Senior Java Software Engineer

    1 week ago

    Athens, Attica, Greece Sword Group Full time €104,000 - €130,878 per year

    Sword Services Greece S.A. is seeking to recruit a high caliber, energetic individual to join our newly established Software Development team in Greece asSenior Java Software Engineer. The successful candidate will work in a multinational environment on a multitude of tasks supporting our core business in large International Information Systems. The company...