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TJ REC SOLUTIONS

Java Cloud Architect

Hybrid

Brussels region, Belgium

€ 400 /day

Senior

Freelance

05-01-2026

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Skills

Leadership Java PostgreSQL GitLab CI/CD Docker Monitoring Jenkins Scrum Architecture angular cloud platforms Agile Junit Spring Hibernate Nginx Redis Spring Boot Spring Security CI/CD Pipelines Kafka Grafana Infrastructure as Code Microservices

Job Specifications

Java Cloud Architect

Location: Brussels, Belgium

Work Model: Hybrid – 2 days onsite per week in Brussels, 3 days remote

Duration: 12 month contract (B2B) + Extensions

Rate: €400/day

Start: ASAP

Position Overview

We are seeking an experienced Java Cloud Architect to design and lead modern, cloud-native solutions within a large enterprise environment. The role requires strong architectural leadership, hands-on technical expertise, and the ability to guide development teams through complex transformations, including microservices and cloud-native architectures.

Required Experience & Qualifications

Bachelor’s or Master’s degree in IT or a related field.
8+ years of experience in IT architecture, microservices, and cloud-native solution design.
Expert knowledge of Java (8–21), Jakarta EE, and the Spring ecosystem (Spring Framework, Spring Boot, Spring Security).
5+ years of experience with Angular (2+), including modern UI development and client-side scripting.
Strong experience with containerization and cloud platforms (CaaS), Docker, Consul (Service Discovery), and NGINX.
Proven expertise in Kafka, Oracle SOA Suite, and Enterprise Service Bus (ESB) technologies.
Strong database and persistence experience with Oracle, PostgreSQL, Redis, Liquibase, and Hibernate/JPA.
Experience with observability and monitoring tools such as Dynatrace, ELK Stack, and Grafana.
Solid testing experience using JUnit, SoapUI, and related frameworks.
Strong knowledge of Agile/Scrum methodologies and CI/CD tools including Jenkins, Bitbucket, and GitLab.

Key Responsibilities

As a Java Cloud Architect, you will:

Design scalable high-level architectures (HLA) and technical blueprints aligned with enterprise frameworks such as TOGAF.
Lead the transformation from monolithic systems to microservices, event-driven, and cloud-native architectures.
Act as a Senior Full Stack Technical Lead, supporting teams through design decisions, code reviews, and best practices.
Design and oversee complex system integrations using REST/SOAP web services, Kafka, and message-oriented middleware.
Define and maintain CI/CD pipelines, containerization strategies (Docker), and Infrastructure as Code (IaC) standards.
Enforce architectural integrity and coding standards using tools such as ArchUnit at pull-request level.
Conduct security assessments and implement identity and access solutions using OAuth2, OpenID Connect, and Vault.
Oversee the full software lifecycle: feasibility analysis, data modeling, development, deployment, monitoring, and performance tuning.

Languages

Fluent English (spoken and written)

If interested, please apply with an up to date CV.

About the Company

Welcome to TJ Rec Solutions, a cutting-edge tech recruitment agency based in the heart of London. Our company was established in 2020 with a mission to help businesses across various industries find the perfect tech talent to help them grow and succeed. At TJ Rec Solutions, we are committed to providing exceptional services to our clients. Our team of highly skilled recruiters has a deep understanding of the tech industry and can quickly identify the best talent that matches our clients' unique needs. We believe that recrui... Know more