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Junior Java Microservices Developer Jobs in Missouri

CYNET SYSTEMS

Senior Java Developer

Saint Louis, MO · On-site

$50 - $55/hr

Java. * Microservices. * GCP. Benefits Our Benefits Include: * Medical, Dental, and Vision ... We deliver agile, scalable talent solutions across IT, engineering, life sciences, clinical, and ...

SESHENG LLC

Java Developer

O Fallon, MO · On-site

$47.75 - $61.75/hr

Java Engineer Onsite( 5days) O''Fallon, Missouri An ideal candidate for this role would have ... Microservices and REST API Proficiency: Skilled in developing web services, particularly ...

ITTConnect

Senior AI Engineer (Java)

Saint Louis, MO · On-site

$117K - $154K/yr

Build event-driven and distributed services using Kafka, REST APIs, and microservices architecture ... Mentor junior and offshore engineers and promote engineering best practices. Requirements * 10+ ...

ITTConnect

Senior AI Engineer (Java)

Saint Louis, MO · On-site

$121K - $159K/yr

Build event-driven and distributed services using Kafka, REST APIs, and microservices architecture ... Mentor junior and offshore engineers and promote engineering best practices. Requirements 10+ years ...

Artius Solutions

Lead Java Engineer

Saint Louis, MO · On-site

$140K - $150K/yr

Mentor and support junior engineers; take part in hiring, onboarding, and technical knowledge ... Design and implement microservices using Spring Boot, Spring WebFlux, and modern design patterns ...

Apex Informatics

Java Developer

Saint Louis, MO · On-site

$49.50 - $64.25/hr

Title: Java Developer Location: St Louis, MO * 10+ years of hands-on software engineering ... Experience with Microservices, CI/CD, Event Oriented Architectures and Distributed Systems

The Giant Bullseye

Senior Java Engineer

Saint Louis, MO

$55.75 - $71/hr

Overview We are looking for a highly skilled Senior Java Engineer to design, develop, and maintain ... microservices for enterprise applications * Collaborate with cross-functional teams including DevOp ...

Hire Tech Services

Java Developer AI/GenAI

Saint Louis, MO · On-site

$48.25 - $62.50/hr

Java Developer - AI/GenAI Location: St. Louis, MO Job Type: Contract We are seeking a Java ... Microservices * SQL / relational databases * Cloud technologies * Large Language Models (LLMs) * AI ...

Zentek Infosoft Inc.

Java Engineer

O Fallon, MO · On-site

$48.50 - $66.50/hr

... 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, microservices, and a ...

MasterCard

Senior Software Engineer - Java

O Fallon, MO · Hybrid

$116K - $153K/yr

Design and implement RESTful APIs, microservices, and event-driven integrations to enable scalable ... Mentor junior and mid-level engineers, share technical knowledge, and contribute to a culture of ...

Mastercard, Inc.

Senior Software Engineer - Java

O Fallon, MO · On-site

$116K - $153K/yr

... junior and mid-level engineers, share technical knowledge, and contribute to a culture of ... Spring Boot / Spring Framework, REST APIs, Microservices, JPA / Hibernate oFrontend: React, Angular ...

Jobs for Humanity

Java Backend Developer

O Fallon, MO · On-site

$47.25 - $61.25/hr

Solid understanding of REST APIs and Microservices. * Experience with SQL and NoSQL databases ... CI/CD and DevOps practices. * Unit testing (JUnit or Mockito). * Bachelor's degree in computer ...

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Infographic showing various Junior Java Microservices Developer job openings in Missouri as of August 2026, with employment types broken down into 86% Full Time, 3% Part Time, and 11% Contract. Highlights an 81% Physical, 5% Hybrid, and 14% Remote job distribution.

Senior Java Developer

CYNET SYSTEMS

Saint Louis, MO • On-site

$50 - $55/hr

Contractor

Medical, Dental, Vision, Life, Retirement

Re-posted 8 days ago

Job description

Job Overview:

Pay Range $50hr - $55hr

Requirement/Must Have:

  • 6+ years of experience in Java/JEE development.
  • Skills in developing applications using multi-tier architecture.
  • Knowledge of Google/AWS cloud.
  • Java/JEE, Spring, Spring Boot, REST/SOAP web services, Hibernate, SQL, Tomcat, Application servers (WebSphere), SONAR, Agile, AJAX, Jenkins.
  • Skills in UML, application designing/architecture, Design Patterns.
  • Skills in Unit testing application using Junit or similar technologies.
  • Good communication skills.
  • Leadership skills.
  • Capability to support QA teams with test plans, root cause analysis and defect fixing.
  • Strong experience in Responsive design, cross browser web applications.
  • Strong knowledge of web service models.
  • Strong knowledge in creating and working with APIs.
  • Experience with Cloud services, specifically on Google cloud.
  • Strong exposure in Agile, Scaled Agile based development models.
  • Familiar with Interfaces such as REST web services, swagger profiles, JSON payloads.
  • Familiar with tools/utilities such as Bitbucket, Jira, Confluence.

Responsibilities:

  • Maintain active relationships with Product Owner to understand business requirements, lead requirement gathering meetings and review designs with the product owner.
  • Own backlog items and coordinate with other team members to develop the features planned for each sprint.
  • Perform technical design reviews and code reviews.
  • Be responsible for prototyping, developing, and troubleshooting software in the user interface or service layers.
  • Perform peer reviews on source code to ensure reuse, scalability and the use of best practices.
  • Participate in collaborative technical discussions that focus on software user experience, design, architecture, and development.
  • Perform demonstrations for stakeholders on project features and sub features, which utilizes the latest Front end and Backend development technologies.

Skills:

  • Java.
  • Microservices.
  • GCP.

Benefits
 
Our Benefits Include:
  • Medical, Dental, and Vision Insurance
  • 401(k) Retirement Plan
  • Health Savings Account (HSA)
  • Disability Insurance (Short-Term and Long-Term)
  • Life and AD&D Insurance
  • Paid Sick Leave (where required by applicable state or local law)
  • Supplemental Insurance Plans
  • Identity Theft Protection
  • Pet Insurance
  • Employee Wellness Programs
  • Employee Assistance Program (EAP)
  • Career Growth and Professional Development Opportunities
Disclaimer: Benefits eligibility, accrual rates, and usage limits may vary based on employment status, length of service, and work location. Paid Sick Leave is provided in strict accordance with applicable state and municipal mandates. Cynet Systems Inc. reserves the right to modify, amend, or terminate any benefit plans at any time in accordance with applicable laws.

About Cynet Systems

Founded in 2010 and headquartered in the Washington, DC metro area, Cynet Systems Inc. is a leading technology staffing and workforce solutions company serving Fortune 500 companies, government agencies, and enterprise organizations across the United States and Canada. We deliver agile, scalable talent solutions across IT, engineering, life sciences, clinical, and professional staffing, powered by a high-performing recruitment engine operating across North America and Asia.
As a nationally and locally certified Minority Business Enterprise (MBE), Cynet Systems is committed to helping organizations build high-performing teams while empowering professionals to grow rewarding careers. Our organization is certified to ISO 9001, ISO 14001, ISO 27001, and SOC 2 Type II standards, reflecting our commitment to quality, security, operational excellence, and customer success.
Cynet Systems logo

About Cynet Systems

Sourced by ZipRecruiter

Cynet Systems Inc is a staffing and recruiting corporation nestled in Ashburn, VA, USA. Established in 2010, the company operates within the Information Technology and Services sector, specializing in providing effective workforce solutions to different business needs, including IT consulting, direct hire, and contract staffing services. Through the years, Cynet Systems has built an impressive portfolio, going beyond borders and expanding its operations internationally in Canada and India. Rooted in its core values of teamwork, leadership, and commitment, Cynet Systems helps businesses unlock their full potential by providing versatile and competent professionals that perfectly align with their needs. Fueled by their unwavering mission to deliver top-tier talent to businesses worldwide, Cynet Systems garnered various recognitions including SIA's fastest-growing staffing firms and Best Place to Work in Virginia for 2019.

Industry

It services

Company size

501 - 1,000 Employees

Headquarters location

Sterling, VA, US

Year founded

2010

Social media

Twitter

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