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Freelance Java Backend Developer Jobs in Missouri

Java Backend Developer

O Fallon, MO · On-site

$47.25 - $61.25/hr

Design, develop, and maintain backend applications using Java 8 and the Spring Framework. * Build ... CI/CD and DevOps practices. * Unit testing (JUnit or Mockito). * Bachelor's degree in computer ...

Java Backend Developer

Saint Louis, MO · On-site

$49 - $63.75/hr

Excellent capabilities in Java applications and Object Oriented concepts * Deep functional ... Proficient oral and written communication skillsBS or MS in engineering, com * Hadoop - Nice to ...

Java Engineer

O Fallon, MO · On-site

$48.50 - $66.50/hr

... Java Backend Developer * Here is the JD: Java Engineer * An ideal candidate for this role would have extensive experience in Java development and be well-versed in cloud-native applications ...

Java Developer

Saint Louis, MO

$49.50 - $64.25/hr

St Louis/O' Fallon, MO (Day One Onsite) Duration: 6-12+ Months Overall 8+ years of experience must Experience in object-oriented programming and concepts Experienced in Java backend application ...

Senior Back-End Developer

Saint Louis, MO

$117.20K - $152.20K/yr

We are seeking a highly experienced Senior Back-End Developer with expertise in Java (Java 8 or above), PostgreSQL, and Google Cloud Platform (GCP) Pub/Sub. The ideal candidate will design, develop ...

java developer

O Fallon, MO

$47.75 - $61.75/hr

Java Developer Location: O'Fallon, MO - Day 1 Onsite - No Remote Duration: Long Term Passport copy ... Java backend application development. • Comfortable enough in handling algorithms, data ...

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Freelance Java Backend Developer information

What are the most commonly searched types of Java Backend Developer jobs in Missouri? The most popular types of Java Backend Developer jobs in Missouri are:
What cities in Missouri are hiring for Freelance Java Backend Developer jobs? Cities in Missouri with the most Freelance Java Backend Developer job openings:

Java backend Developer

Purple Drive Technologies

Saint Louis, MO • On-site

$49 - $63.75/hr

Full-time

Posted 4 days ago


Job description

Overview:
Java Backend Developer
Job Description:
  • We are looking for an experienced Java Backend Developer to join our team and contribute to building high-performance, scalable, and reliable applications.
  • The ideal candidate will have strong expertise in core Java programming, backend development, and system design.

Key Responsibilities:
  • Design, develop, and maintain backend services and APIs using Java.
  • Ensure applications are secure, scalable, and optimized for performance.
  • Collaborate with cross-functional teams including frontend, QA, and DevOps to deliver robust solutions.
  • Write clean, maintainable, and testable code following best practices.
  • Troubleshoot and resolve technical issues across development and production environments.

Required Skills & Experience:
  • Proven hands-on experience in Java backend development.
  • Strong knowledge of object-oriented programming, multithreading, and design patterns.
  • Experience with REST APIs, microservices architecture, and database systems (SQL/NoSQL).
  • Familiarity with cloud platforms, containerization (Docker/Kubernetes), and CI/CD pipelines is a plus.
  • Excellent problem-solving, debugging, and communication skills.