About the role

Profile: Backend Java Developer.
Rate: up to 280/day.
Key knowledge: Java Microservices.
Studies: Certified Studies (Minimum).
Languages: English MANDATORY

Minimum experience: 5 to 8 years.
We are looking for a Senior Java Developer to join our team and work on the design, development and evolution of microservices-based applications.
Requirements
Technical skills

5+ years of professional experience in software development.

Microservices Architecture: API composition, RESTful APIs, OpenAPI and Swagger — 5–8 years of experience

Java 8 / Java 11 — 5–8 years of experience

Spring Framework: mainly Spring Boot, with experience in Spring Batch and Spring MVC — 3–5 years of experience

Build Automation Tools: experience with Maven and other build automation tools — 1–3 years of experience

Testing: JUnit, Mockito, WireMock, MockMVC and Spring Test — 3–5 years of experience

Databases: JPA, Oracle and JDBC — 1–3 years of experience

Agile methodologies: experience working with Agile methodologies, particularly Scrum

Soft skills: strong communication, prioritization, leadership and teamwork skills

Nice to have

Microservices Architecture: Service Discovery, Circuit Breaker, OpenShift, distributed tracing, etc. — 1–3 years of experience

Message Brokers: Kafka, RabbitMQ — 1–3 years of experience

Feature Flags — 1–3 years of experience

Database Migration Tools: Liquibase / Flyway — 1–3 years of experience

Reactive Programming / Futures — 1–3 years of experience

Static Code Analysis Tools: Sonar, PMD, Checkstyle, etc. — 1–3 years of experience

Azure DevOps — less than 1 year of experience

Languages
English: Upper-Intermediate (B2) level required.

Originally posted on Himalayas

Interview prep

Walk in with sharper answers.

Use this as a quick practice sheet before you speak with the employer.

Senior

Technology & IT API integration MySQL Project Management Backend Java Senior level

Likely questions

Tell us about work you have done that is close to the Backend Java Developer – International client role.
How would you approach your first 30 days at Twtspain?
Which of API integration, MySQL and Project Management have you used recently, and what did it help you achieve?
How have you led people, improved a process, or made a hard decision in a previous role?
How do you handle busy days, changing priorities, or pressure at work?

Prepare before the call

A recent example that proves your experience with API integration, MySQL and Project Management.
One short story with a problem, your action, and the result.
Two examples that show the strengths listed on your CV.
A clear reason why this role and company interest you.
Your availability, preferred work style, and salary expectations.

Ask them

What would success look like in the first 90 days?
What are the main problems this hire should help solve?
How does the team give feedback and measure good work?
What does a normal working week look like for this role?

Practice line

I am interested in the Backend Java Developer – International client role because I can bring practical experience in API integration, MySQL and Project Management, learn the team quickly, and contribute to the outcomes Twtspain needs from this hire.

Backend Java Developer – International client

About the role

Walk in with sharper answers.

Likely questions

Prepare before the call

Ask them

Related jobs.