Senior System Integration & Performance Testing Engineer

3 Weeks ago • 3 Years +

Job Summary

Job Description

The Senior System Integration & Performance Testing Engineer will be responsible for performance validation and technical analysis of the new Core Banking system. Key responsibilities include stress testing the infrastructure, investigating technical issues, collaborating with internal teams and external vendors, analyzing service logic (Java/C#), and working closely with Database Administrators. The role requires strong analytical skills and the ability to communicate effectively.
Must have:
  • 3+ years of experience in testing roles.
  • Strong understanding of system integration concepts.
  • Ability to read and interpret Java or C# code.
  • Proficiency in JMeter or similar tools.
  • Solid knowledge of database systems.
Perks:
  • Attractive salary package
  • Semi-flexi working hours
  • Health insurance plan
  • Mobile phone & data plan
  • Ticket restaurant card
  • Fresh fruits in the office
  • Coffee in the kitchen
  • Training sessions and online courses
  • Team celebrations

Job Details

Company Description

Arηs is a fully independent group of companies specialized in managing complex IT projects and systems for large organisations, focusing on state-of-the-art software development, business intelligence and infrastructure services.

We are composed of 16 entities across 8 countries that are unified by the Arηs Group, with more than 2.500 consultants.

This corporate structure enables us to respond quickly to market changes and customer requests, and to communicate and make decisions without layers of bureaucracy.

Our success can be attributed to the synergy among our nine complementary entities, combined with our methodologies, which are based on the Rational Unified Process (RUP) and the Scrum agile software development framework.

Established in 2016, the Greek entity Arηs Developments Hellas aims to extend Arηs Group activities dedicated to the European market providing high-quality services in Software Development, covering the entire application development lifecycle: starting with user requirements, business process redesign and specifications, to continue with development, testing and application maintenance.

Job Description


We are seeking a highly skilled and experienced professional to join our team as a Senior System Integration & Performance Testing Engineer. The successful candidate will play a key role in the performance validation and technical analysis of our new Core Banking system, working closely with internal teams and external vendors.

Key Responsibilities:

  • Actively participate in the stress testing of the infrastructure for the new Core Banking system.

  • Investigate technical issues and defects related to the Core Banking system and collaborate in identifying root causes.

  • Collaborate and communicate effectively with the Core Banking vendor and internal stakeholders.

  • Analyze and understand the logic of services, with the ability to review and interpret Java or C# code as needed.

  • Work closely with Database Administrators, leveraging a solid understanding of database systems to ensure performance and integrity.

Qualifications

Skills

  • 3+ years of experience in system integration and/or performance testing roles.

  • Strong understanding of system integration concepts and architectures.

  • Ability to read and interpret code in Java or C#, to support service analysis and logic review.

  • Proficiency in JMeter or similar tools for stress and performance testing.

  • Solid knowledge of database systems and the ability to collaborate with DB Admins effectively.

  • Strong analytical skills, team spirit, and excellent communication abilities.

Additional Information

What’s in it for you

  • We want you to be well compensated for what you bring in, so we offer an attractive salary package
  • Not a morning person? Enjoy our semi-flexi working hours!
  • Your health matters to us, so you’re secured with a health insurance plan from day one
  • We chat a lot, so you’ll be equipped with a mobile phone & data plan
  • If you’re a big foodie (like us) you’ll appreciate the ticket restaurant card to spend in restaurants or grocery shops to spoil yourself and your family
  • Enjoy snacking during breaks? Grab some fresh fruits from our kitchen available in the office each week
  • Developer’s fuel is coffee, and the supply source is in our kitchen!
  • We are excited for challenges, so you are invited to take part in exciting projects that make a difference in people's lives at national and European level
  • We never stop learning and evolving! To keep up with ARHS level, join our own training sessions and online courses that we provide
  • We love the ARHS vibes so we gather on smaller and bigger occasions to celebrate good times together! Take a sneak peek at the video below!

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About The Company

We are a fully independent group of companies specialised in managing complex IT projects and systems. Arηs analyses complexity and delivers simplicity in order to improve our society through reliable, efficient IT Systems. Our vision is to be the most caring and reliable IT company on the marketplace for both our clients and our people. Our values are: caring, agility, excellence, innovation, continual improvement. Our values support our vision by leveraging excellence, striving for results, ensuring commitment and promoting adaptability.

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