Java Technical Architect

Company Description

About Sopra Steria

Sopra Steria, a major Tech player in Europe with 51,000 employees in nearly 30 countries, is recognised for its consulting, digital services and solutions. It helps its clients drive their digital transformation and obtain tangible and sustainable benefits. The Group provides end-to-end solutions to make large companies and organisations more competitive by combining in-depth knowledge of a wide range of business sectors and innovative technologies with a collaborative approach. Sopra Steria places people at the heart of everything it does and is committed to putting digital to work for its clients in order to build a positive future for all. In 2025, the Group generated revenues of €5.6 billion.

The world is how we shape it.

Job Description

1. Technical Analysis & Solution Design

Translate functional requirements into detailed technical analysis and implementation specifications.

Analyse impacts on Java applications, APIs, backend services, interfaces, databases, and dependent systems.

Identify technical dependencies, constraints, risks, and integration challenges.

Define and document API contracts, interface behaviours, message flows, data mappings, and error-handling mechanisms.

Contribute to CI/CD pipelines, deployment automation, and quality gates.

Testing & Quality Assurance

Write and maintain unit tests, integration tests, and automated tests.

Support testers by explaining technical scenarios, interface behaviours, integration flows, and expected results.

Participate in test preparation, defect analysis, troubleshooting, and root cause investigations.

Ensure delivered solutions meet quality, performance, security, and maintainability requirements.

2. Soft Skills

Mandatory

Strong analytical mindset and ability to understand complex application and integration landscapes.

Solution-oriented mindset with the ability to propose pragmatic and maintainable solutions.

Ownership and accountability for the quality and completeness of both analysis and development activities.

Proficient in English, both written and spoken.

3. Hard Skills

Strong Java development and technical analysis skills (Java 21/25 preferred).

Solid understanding of object-oriented programming principles.

Experience with backend development, distributed systems, APIs, and integration patterns.

Ability to analyse and implement API contracts, payloads, message flows, data mappings, and system integrations.

Experience designing and developing secure, maintainable, and scalable applications.

Understanding of end-to-end integration between Java applications, mainframe systems, and external partners.

Experience working within Agile squads and contributing to iterative delivery.

4. Tools

Development & Analysis

IntelliJ IDEA and/or Visual Studio Code.

GitLab, GitHub, Bitbucket, or equivalent source control platforms.

Maven or Gradle.

API & Integration

Postman, Bruno, Insomnia, SoapUI.

Swagger / OpenAPI specification tools.

CI/CD & DevOps

Jenkins.

GitLab CI.

CI/CD and deployment automation platforms.

Agile & Collaboration

Jira, Octane, Rally, or equivalent Agile tools.

Confluence.

SharePoint.

UPlant.

BPMN and UML modelling tools.

Monitoring & Operations

Logging, monitoring, and observability tools depending on the application landscape.

5. Knowledge

Core Technical Knowledge

Java ecosystem and object-oriented programming concepts.

REST APIs, backend services, integration patterns, and distributed architectures.

API contract design and Swagger/OpenAPI specifications.

Message formats, payload modelling, and data mapping.

System integration between Java applications, mainframe systems, and external platforms.

Secure coding practices and application security principles.

Performance, resilience, logging, monitoring, and observability concepts.

Testing practices including unit, integration, and automated testing.

Version control, dependency management, and software delivery lifecycle.

Delivery & Engineering Practices

CI/CD pipelines, deployment automation, and quality gates.

Agile methodologies and Scrum practices.

Technical impact analysis across multiple applications and teams.

Collaboration with analysts, developers, architects, testers, and operational teams.

Domain Knowledge

Banking, payments, cards, and digital banking domains are considered significant assets for the Estreem project.

6. Required Knowledge

Card Management

Recommended:

Card management knowledge

Banking environment

Nice to have:

Tokenisation

Schemes

Certificates

Certification

Chip management

Bank card ecosystem

PCI awareness.

Total Experience Expected: 10-14 years

Qualifications

Engg. Graduate

Additional Information

At our organization, we are committed to fighting against all forms of discrimination. We foster a work environment that is inclusive and respectful of all differences.

All of our positions are open to people with disabilities.