Backend Java Developer (Remote) – International client

Twtspain; United States; Remote; USD 45,000 - 59,000; Full time

Job summary

Twtspain is seeking a Senior Java Developer to join our team in the United States. You will design, develop and evolve microservices-based applications using Java, Spring Boot, and OpenAPI-driven APIs.

You will collaborate in an Agile environment, apply best practices in testing with JUnit/Mockito, and mentor teammates. English is mandatory (B2). 5–8 years of experience required; the rate is up to 280/day.

Qualifications

• 5+ years of professional software development.
• 5–8 years with Microservices/API exposure.
• Java 8/11 with Spring Boot/Spring MVC/Batch.
• Maven and other build tools.
• JUnit/Mockito/WireMock/MockMVC testing.
• English mandatory at B2 level.

Responsibilities

• Design, develop and evolve microservices-based applications.
• Work with RESTful APIs, OpenAPI and Swagger specifications.
• Collaborate in an Agile/Scrum environment.
• Provide leadership and clear communication within the team.

Skills

Java

Microservices

OpenAPI/Swagger

Spring Boot

JUnit/Mockito

Maven

Agile/Scrum

Communication

Leadership

Education

Certified Studies (Minimum)

Tools

OpenAPI/Swagger

JPA/Oracle

Maven

Spring Framework

Job description

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.