Junior Software Developer (Fullstack) Intern - Securities Processes - TalentBank 2026

Commerzbank AG; Łódź; On-site; PLN 31,248 - 40,176; Part time

Benefits offered by this job

Paid mandate contract for 9 months

Flexible working hours

Study-combining internship

Access to e-learning platforms

Job summary

Commerzbank is seeking a Junior Software Developer (Fullstack) Intern to join our Digital Technology Centre in Łódź. The role focuses on Java/React JS development, building risk screening tools and loan-process improvements within an international, Agile environment.

The internship lasts up to 12 months after graduation and offers a paid mandate contract, flexible hours, and access to e-learning platforms. Hybrid work is available at Ogrodowa 8, Łódź.

Qualifications

• Student or graduate after second year of studies in technical, mathematical, business, finance, economics or related fields.
• Good knowledge of Java and Spring Framework.
• Familiar with REST, React JS and relational databases.

Responsibilities

• Software development, defect analysis and bug fixing.
• Software configuration management and development.
• Creation of technical documentation.
• Technical reviews of system components.
• Re-Engineering/Refactoring of software systems.

Skills

Java

Spring Framework

JPA

REST

React JS

Relational databases

GIT

CI/CD

Maven

Linux/Solaris

Education

Student or graduate in technical, mathematical, business, finance, economics or related studies

Tools

MS Azure

Oracle

PostgreSQL

Job description

TalentBank is an original internship program of the Digital Technology Centre in Poland, which aim is to enable students and graduates to gain professional experience in IT / banking industry. The project can be attended by people who are students or graduates (up to 12 months after graduation). We look for students after second year of technical, mathematical, business, finance, economic or related studies.

Join our team as a(n) Junior Software Developer (Fullstack) Intern!

Our main technologies are Java, React JS, MS Azure, Oracle, PostgreSQL. Our goal is to build accurate and efficient risk screening tools and processes for various industries and segments, create customer-oriented transition process of engagements, while simultaneously ensuring a risk adequate and cost-efficient loan process.

The Full Stack Developer implements and maintains software based on business requirements or incidents and does optimizations and performance tasks. He/she designs, plans and implements java applications depending on bank standard architectures and business requirements.

What you will be doing?

• Software development, defect analysis and bug fixing
• Software configuration management and development
• Creation of technical documentation
• Technical reviews of system components
• Re-Engineering/Refactoring of software systems

Alternative tasks:

• Automation of test cases
• Optimization of the test process

Which technology & skills are important for us?

• Good knowledge of Java
• Good knowledge of Spring Framework
• Good knowledge of JPA
• Good knowledge of REST
• Good knowledge of React JS
• Basic knowledge of Relational databases

Nice to have:

• Basic knowledge of Linux/Solaris
• Basic knowledge of Maven
• Basic knowledge of CI/CD process
• Basic knowledge of GIT
• Basic knowledge of Kanban / Scrum
• Basic knowledge of Maven
• Basic knowledge of CI/CD process
• Basic knowledge of GIT

What we offer?

• Paid mandate contract for 9 months
• Opportunity to gain experience and start career in our IT departments
• Work in an international environment in the Agile methodology
• Individual approach - flexible working hours, the possibility of combining internship with studies, completing obligatory student internships
• Subsidized meals - Pluxee Lunch Pass card
• Access to the Speexx e-learning language platform
• Access to O’Reilly and Clix (Linkedin Learning) e-learning platform
• Access to psychological and well-being webinars on ICAS
• Internal training program Skills@work (coffee Learning Session – informal quarterly meetings among employees focusing on a given technological or business issue, Trainer Academy – Technical training organized by employees for employees, Guilds – groups focusing on a given technology)
• Support of experienced mentors
• Trainings with Professionals
• Interests groups (f.e. board games, cooking) and integration events

How?

Hybrid on Ogrodowa 8 street (Łódź)

Below you can find more information about Commerzbank and the cluster

Commerzbank is a leading international commercial bank with branches and offices in almost 50 countries. The world is changing, becoming digital, and so we are. We are leaving the traditional bank behind us and are choosing to move forward as a digital enterprise. This is exactly why we need talented people who will join us on this journey. We work in inter-locational and international teamwork in agile methodologies.