Backend Engineer

INSART

format:Remotecompany:Outsource

javaspringhibernatesqlpostgresqldockerjenkinsawsapache sparkrabbitmq

scalakubernetessplunkelasticsearchcursorclaude code

englishB2

experience4+ years

> full description

This position requires candidates to be based in the EU.

We’re looking for a Senior Java Developer to join our team.

Skill set and experience we believe you should have for that role 🤓

At least 4+ years of Java software development experience
Excellent communication skills (English B2+)

Technology stack: Java 17/21, Scala, JPA, SQL, Postgres DB, Maven/Gradle, Git, JUnit/TestNg/Mockito/TestContainers, Docker, Jenkins(Jenkins Pipelines, Jenkinsfile), Spring, Hibernate, MyBatis, Flyway, REST/GraphQl, AWS(ECR, EFS, EMR, RDS, S3), Apache Spark, RabbitMQ. Nice to have tech skills: Splunk, ELK Stack, Kubernetes(kubectl), Cursor, Claude Code.

Role Responsibilities 👨‍💻

Code Development:

Write high-quality, efficient, and maintainable Java code for backend services, web applications, and other software solutions.
Utilize Java frameworks (e.g., Spring, Hibernate) to build scalable and modular applications.

Architecture and Design:

Collaborate with the team to design and implement scalable and robust software solutions.
Make architectural decisions and select appropriate technologies and frameworks.

Performance Optimization:

Identify and address performance bottlenecks in Java applications.
Optimize code, database queries, and application components for improved performance.

Security:

Implement security best practices to protect Java applications from common vulnerabilities.
Conduct code reviews and address security issues to ensure the security of the software.

Database Management:

Design, develop, and maintain database schemas using technologies like SQL or NoSQL databases.
Optimize database performance and ensure data integrity.

Testing and Quality Assurance:

Write unit tests and participate in code reviews to ensure code quality.
Debug and troubleshoot issues, addressing bugs and defects in the code.

API Development:

Create and maintain RESTful APIs for communication between frontend and backend components.
Implement API endpoints and handle data exchange.

Version Control:

Use version control systems (Bitbucket) to manage and track code changes.
Collaborate with team members through version control workflows.

Documentation:

Document code, APIs, and technical processes for reference and knowledge sharing.
Create clear and comprehensive technical documentation.

Collaboration:

Work closely with frontend developers, designers, and other team members to ensure seamless integration of components.
Provide technical guidance and support to team members.

Mentorship:

Mentor and guide junior developers, assisting them in improving their skills and understanding of Java development.

Project Management:

Collaborate with project managers and stakeholders to understand requirements, estimate development efforts, and contribute to project planning.

Continuous Learning:

Stay updated with Java language features, frameworks, and industry best practices.
Keep an eye on emerging trends and technologies in Java development.

Interview Stages: