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Senior Java Developer (data migration)
Java

Senior Java Developer (data migration)

Katowice
Type of work
Full-time
Experience
Senior
Employment Type
Permanent, B2B
Operating mode
Remote
Sopra Steria

Sopra Steria

Sopra Steria is one of the largest players in the tech industry in Europe, known for its consulting, digital services and software development. We operate in nearly 30 countries in the world, hiring around 55,000 employees. Polish branch, as the Global Delivery Center, operates in Katowice since 2007 and has been growing ever since. In 2025 we've opened our second office in Gdańsk. Currently, our team consists of almost 1,000 specialists who share their expertise working in one of our two departments: Digital Platform Services or Application Services.

Tech stack

    English

    B2

    Java

    advanced

    Talend

    regular

    Apache

    regular

    API

    regular

Job description

Online interview

Project Description:

We are looking for a Senior Java Developer to join Sopra Steria Polska for a technical integration project where an old e-commerce payment system will be replaced by a new one. You will be part of a project within the architecture, engineering, and construction sector.


Responsibilities:

  • Replacing the old system with a new one
  • Implement solutions and deliver high quality software
  • Help to define requirements, create software designs and translate them into code
  • Shape and apply our software standards of clean code and performance optimization techniques
  • Problem-solving and challenge-driven discussion regarding solutions
  • Cooperation with the client
  • Code review
  • Ability to work independently
  • Communication with other teams regarding solutions


Tech stack on the project:

  • Java
  • Talend
  • Apache Camel
  • API


Must-have requirements:

  • Talend for merging different data sources
  • Java development, ideally with experience in enterprise/microservice architecture
  • Min. 4 years of full-time experience in software development with Java
  • Apache Camel or a similar integration framework
  • API gateways, especially Kong or at least a basic understanding of:
  • API security (e.g. OAuth2, JWT)
  • Rate limiting / throttling
  • Reverse proxies
  • At least bachelor’s degree in relevant field
  • Experience in integration projects or replacements of legacy systems
  • Ability to quickly familiarize yourself with existing structures
  • Strong communication skills for coordination with IT, architecture and, if necessary, specialist department
  • Customer-focused attitude
  • Ability to gather and define business requirements
  • Team player
  • Fluent English B2/C1
  • Being open to occasional business trips abroad and visits in our office in Katowice


Location: Katowice area

Working hours: business hours



What we offer:

  • BENEFITS (UoP): Luxmed, Multisport, Worksmile, educational platforms, language courses, referral bonus, copyrights, life insurance
  • DEVELOPMENT OPPORTUNITIES (UoP and B2B): certifications (paid by the company) plus bonus for successful passing, conferences, Tech Lunches


The recruitment process in our company consist of three stages:

  • a short phone call with a recruiter (30 min max)
  • one-hour long interview on Teams (with both general and technical questions)


If you find this offer interesting and you would like to learn more about the project, send us your up-dated CV in English containing the clause:

„I agree to the processing by Sopra Steria Polska Sp. z o.o. my personal data contained in my CV for the recruitment process and further recruitment processes.”