Senior Java Developer + Talend

moOngy; Portugal; Hybrid; EUR 70,000 - 110,000; Full time

Benefits offered by this job

Hybrid work model

International team

Training and certifications

Job summary

MoOngy in Portugal is seeking a Senior Java Developer with Apache Spark to design and build data processing applications using Java/J2EE and Spark. You will contribute to batch processing and data workflows, delivering robust, scalable solutions and performance optimizations.

The role requires hands-on experience with Docker, Kubernetes, and CI/CD tooling, including Maven, GitLab, ArgoCD, and Liquibase. It offers a hybrid work model with 2/3 days in the office and is open to candidates legally

Qualifications

• 8+ years of experience in Java/J2EE development (Java/J2EE 9fe)
• At least 1 year of Apache Spark development
• Experience with Spring/Spring MVC and Spring Boot
• Experience with SQL and relational databases (PostgreSQL, Oracle ExaCC, SQL Server)
• Strong Docker & Kubernetes knowledge and cloud-native apps
• Experience with CI/CD tooling: Maven, GitLab, ArgoCD, Liquibase

Responsibilities

• Work as a Java Developer contributing to Data Processing applications using Spark.
• Develop solutions with Java/J2EE and Apache Spark.
• Design solutions with proven patterns, focusing on performance tuning.
• Work with SQL, relational databases, Docker/Kubernetes, and CI/CD tooling

Skills

Java/J2EE development

Apache Spark development

Spring / Spring MVC

Spring Boot

SQL

Docker & Kubernetes

CI/CD tooling

Tools

PostgreSQL

Oracle ExaCC

SQL Server

Maven

GitLab

ArgoCD

Liquibase

S3

Job description

Founded in 2005, MoOngy is an international group specialized in Engineering and IT, operating across Europe and North Africa.

With a presence in 14 countries, more than 40 entities, and 9,500 talents, we continue to grow everyday thanks to one simple thing: people who are genuinely passionate about technology and innovation.

The Role:

Senior Java Developer + Spark

Work Model:

hybrid - 2/3 days a week in the office

Eligibility:

Currently living in Portugal and be legally authorized to work there

• +8 years of experience in Java/J2EE development, including Java/J2EE 9.
• At least 1 year of experience in Apache Spark development, with hands-on experience in Spark.
• Experience with Spring / Spring MVC and Spring Boot.
• Experience with SQL, including Transactional SQL / Spark SQL and relational databases such as PostgreSQL, Oracle ExaCC, and SQL Server.
• Strong experience with Docker & Kubernetes and Cloud-native applications.
• Experience with CI/CD tooling, including Maven, GitLab, ArgoCD, and Liquibase.

Nice to have:

• Experience with Argo Workflow.
• Experience with GitHub Copilot Agents.
• French B2

Responsibilities:

• Work as a Java Developer, contributing to the conception and development of Data Processing applications executed in Batch mode using Spark.
• Develop solutions using Java/J2EE and Apache Spark.
• Design solutions using proven patterns, with awareness of anti-patterns and performance tuning.
• Work with SQL, relational databases, Docker/Kubernetes, object storage such as S3, and CI/CD tooling

Why Join Us?

• Innovation & Impact:Play a central role in driving the future through creative solutions
• Continuous learning: Trainings, certifications, and structured career growth.
• Team spirit: An international community where collaboration means something.
• Diversity & inclusion: At MoOngy, everyone belongs — no fine print.

Diversity & Inclusion

At MoOngy Group, we are committed to equality and diversity. We foster a safe, inclusive, and respectful environment where everyone has equal opportunities. We do not discriminate based on age, origin, gender, sexual orientation, disability, or any criterion unrelated to skills and merit.