Senior Software Engineer (AEM) | f/m/d

ERGO; Warszawa; Hybrid; PLN 180,000 - 280,000; Full time

Benefits offered by this job

Medical package

Flexible working hours

Remote working option

Training courses & workshops

CSR activities & team events

Job summary

ERGO Technology & Services S.A. (ET&S) is delivering integrated IT and business services from Warsaw and Gdansk to international markets.

You will build scalable Java & Spring services, design REST APIs for AEM and frontend parts, and integrate with external systems while ensuring performance, security and reliability. Strong English fluency and experience with OpenSearch/Elasticsearch, MongoDB, AWS and Docker are required.

Qualifications

• Fluency in English and strong communication skills.
• Extensive experience with Java and Spring frameworks (Boot, Core, MVC, Data, Security).
• Experience in designing REST APIs and using Maven.
• Knowledge of AEM 6.5, Sling and OSGi is highly desirable.

Responsibilities

• Build scalable services using Java & Spring.
• Design and maintain REST APIs for AEM and frontend parts.
• Integrate with external systems (search, marketing, data).
• Ensure performance, reliability and security of solutions.
• Deliver end-to-end features across AEM backend parts.

Skills

Java & Spring

REST APIs

Maven

JUnit/Mockito

Wiremock/Cucumber

AEM 6.5 (Sling/OSGi)

AWS

Docker

OpenSearch/Elasticsearch

MongoDB/DocumentDB

React/TypeScript (basic)

Security best practices

Team collaboration

Tools

Docker

AWS

MongoDB

OpenSearch/Elasticsearch

Job description

ERGO Technology & Services S.A. (ET&S), a member of the Munich Re and ERGO Group, is delivering integrated IT and business services to international markets. Our expertise lies in providing advanced IT services, with a focus on modern, business-driven technology solutions. On the business side, we also support the Group in various end-to-end insurance processes, including finance, operations, and underwriting. With offices in Warsaw and Gdansk, and strong global partnerships, we foster a dynamic, multicultural environment that promotes diversity and international opportunities.

How you will get the job done

• building scalable services using Java & Spring
• designing and maintaining REST APIs for AEM and frontend part
• integrating with external systems (search, marketing, data)
• ensuring performance, reliability and security
• delivering end-to-end features across AEM – backend part
• working with Sling Models, OSGi, APIs
• troubleshooting: dispatcher, replication, permissions, content structure
• contributing to system design and architecture
• applying best practices in API design, modularity, scalability
• writing and maintaining unit/integration tests
• performing code reviews and ensure quality standards
• supporting CI/CD pipelines and deployments
• working with Docker and AWS (CloudWatch, S3)

Skills and experience you will need

• fluency in English
• strong experience in Java and Spring (Boot, Core, MVC, Data, Security)
• experience in REST APIs and Maven
• experience in MongoDB / DocumentDB
• experience in OpenSearch / Elasticsearch
• experience in AWS (S3, CloudWatch) and Docker
• experience with JUnit, Mockito / Spock
• familiarity with Wiremock / Cucumber
• understanding of AEM 6.5 (JCR, Sling, OSGi)
• experience in Sling Models / OSGi services and AEM APIs / content services
• knowledge of dispatcher caching and replication mechanisms
• ability to debug across AEM (backend – frontend) and build AEM components
• ability to exposure to SPA Editor / headless AEM
• knowledge of Adobe tools (Target, Analytics)
• basic knowledge in React / TypeScript
• knowledge of security best practices (APIs & AEM)
• growth mindset with a focus on proactivity and ownership
• ability to collaborate as a team player and communicate effectively with both business and IT stakeholders

What we offer

• Let’s be healthy – medical package, sports card, and numerous sports sections – these are some of the benefits that help our employees stay in good shape.
• Let’s be balanced – work-life balance is a key aspect of a healthy workplace. We offer our employees flexible working hours, a confidential employee assistant program, as well as the possibility of remote working. However, staying at home with our in-office gaming room and dog-friendly office in Warsaw won’t be easy.
• Let’s be smart – we organize numerous workshops and training courses. Thanks to hackathons and meetups, our specialists share their expertise with others. Additionally, we have a wide range of digital learning platforms and language courses.
• Let’s be responsible – each year, we participate in several CSR activities, during which, together with our colleagues, we do our best to create a better future.
• Let’s be fun – company-wide bike races and soccer matches, film marathons in our cinema room or other engaging team-building activities – we got it covered!
• Let’s be diverse – every team member is valued, regardless of gender, nationality, religious beliefs, disability, age, and sexual orientation or identity. Your qualifications, experience, and mindset are our greatest benefit!