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Senior Java Developer Jobs in Saint Peters, MO (NOW HIRING)

ACI Infotech

Java Developer

Lake Saint Louis, MO · On-site

$48.25 - $62.50/hr

Onsite Sr. Java Developer Location: St. Louis, MO In short, I require ::-- Java , spring boot , microservices and AWS ( cloud is compulsory , if not AWS , any other cloud will work). Responsibilities ...

Jobsbridge

Sr. Java Developer

Saint Louis, MO

$55.75 - $71/hr

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers/architects, we have them all. Core Java (Mandatory) Web Service [REST and SOAP] (Mandatory) Hibernate or ...

Jobsbridge

Sr. Java Developer

Saint Louis, MO

$55.75 - $71/hr

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers/architects, we have them all. Core Java (Mandatory) Web Service [REST and SOAP] (Mandatory) Hibernate or ...

Jobsbridge

Sr. Java Developer

Saint Louis, MO

$55.75 - $71/hr

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers/architects, we have them all. Core Java (Mandatory) Web Service [REST and SOAP] (Mandatory) Hibernate or ...

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 ... Collaborate with cross-functional teams including DevOps, QA, and product to deliver high-quality ...

Atria Group LLC

Java Developer

Saint Louis, MO

$49.50 - $64.25/hr

Unigroup is in need of a senior Java developer. They will be part of a 10+ person team developing on a large rewrite of their enterprise system along with smaller projects as well. This individual ...

E-Solutions

Senior Java Backend Developer

O Fallon, MO · On-site

$112K - $146K/yr

Senior Java Backend Developer O'Fallon, Missouri [Onsite] * 6+ years of experience in backend development using Java. * Strong expertise in Core Java, Spring Boot, and REST APIs. * Hands-on ...

Samprasoft

Senior SDET

O Fallon, MO · On-site

Senior Java Developer Senior position (minimum of 5+ years in Java and testing) Should be good in testing concepts We are expecting advanced knowledge in Core Java Test Automation skills (REST ...

TriOptus LLC

Senior Software Engineer - Java Developer

MO · On-site

$53.50 - $68.25/hr

Senior Software Engineer (Java Developer) Location: O'fallon, Missouri Duration: 24 months Experiece: 7+ years Skills summary: • Advanced in with Linux and Java development (JDK 1.7 or greater ...

TriOptus LLC

Java Developer

Lake Saint Louis, MO · On-site

$48.25 - $62.50/hr

Java Developer Job Location: Lake St. Louis Duration: 12+ months Mode of Interview: In-person only ... Follow MasterCard Quality Assurance and Quality Control processes. * Assist Senior Team members in ...

Omni Inclusive

Sr. Java Backend Developer

Saint Louis, MO · On-site

$117K - $152K/yr

Yes/No Springboot Microservices Kafk JPA/ Axon We are specifically looking for Senior Software Engineers who possess expertise in Java, J2EE, Spring Boot, JPA, Axon, Kafka, and E2E Support

SV Tech Systems Inc

Senior Java Software Engineer.

Clayton, MO · On-site

$116K - $153K/yr

Senior Java Software Engineer. Location: Weldon or Clayton, MO Duration: Long term Contract Face to Face interview. Responsibilities As a Senior Software Engineer on the Vehicle Management Team, you ...

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Senior Java Developer information

See Saint Peters, MO salary details

$10

$60

$82

How much do senior java developer jobs pay per hour?

As of Jun 28, 2026, the average hourly pay for senior java developer in Saint Peters, MO is $60.07, according to ZipRecruiter salary data. Most workers in this role earn between $52.64 and $67.12 per hour, depending on experience, location, and employer.

What is the difference between Senior Java Developer vs Java Software Engineer?

AspectSenior Java DeveloperJava Software Engineer
Required CredentialsBachelor's in CS or related, Java certifications often preferredBachelor's in CS or related, Java certifications beneficial
Work EnvironmentTeam lead roles, project management, mentoringDevelopment-focused, coding, testing, and implementation
Employer & Industry UsageTech companies, finance, e-commerceSoftware firms, startups, enterprise IT
Common Search & ComparisonOften compared for experience level and responsibilitiesSimilar roles with slight variations in scope

The main difference between a Senior Java Developer and a Java Software Engineer lies in their responsibilities and experience. Senior Java Developers typically take on leadership, mentoring, and project management roles, while Java Software Engineers focus more on coding, development, and technical implementation. Both roles require strong Java skills and relevant credentials, but the Senior Java Developer usually has more experience and a broader scope of responsibilities.

Is Java outdated in 2026?

Java remains a widely used programming language for senior Java developers in 2026, with ongoing updates and a large ecosystem supporting enterprise applications, Android development, and cloud services. Its stability, performance, and extensive libraries ensure its continued relevance in the software industry.

What are some common challenges Senior Java Developers face when working on large-scale enterprise projects?

Senior Java Developers often encounter challenges such as maintaining code quality across large codebases, managing dependencies between modules, and ensuring optimal application performance. Collaborating with cross-functional teams—including QA, DevOps, and product management—requires clear communication and effective problem-solving. Additionally, staying updated with the latest Java frameworks and best practices is essential for delivering scalable and maintainable solutions in complex enterprise environments.

How much do senior Java developers make?

Senior Java developers typically earn between $100,000 and $150,000 annually, depending on experience, location, and industry. They often possess strong skills in frameworks like Spring and Hibernate and may hold certifications such as Oracle Certified Professional Java SE.

What are the key skills and qualifications needed to thrive as a Senior Java Developer, and why are they important?

To thrive as a Senior Java Developer, you need advanced proficiency in Java programming, experience with software design patterns, and a strong grasp of backend development, often supported by a degree in computer science or related field. Familiarity with frameworks like Spring, build tools such as Maven or Gradle, and version control systems like Git, as well as knowledge of cloud platforms, is typically required. Excellent problem-solving, leadership, and communication skills help you guide teams and collaborate effectively. These competencies are crucial for delivering robust, scalable software solutions and driving technical success within development teams.

What are Senior Java Developers?

Senior Java Developers are experienced software engineers who specialize in using the Java programming language to design, develop, and maintain complex applications. They typically lead development teams, oversee project architecture, and ensure code quality through best practices. In addition to strong coding skills, they often mentor junior developers and collaborate with stakeholders to deliver robust software solutions. Their expertise is crucial in building scalable, high-performance applications across various industries.

Which pays more, C++ or Java?

For a Senior Java Developer, salary differences between C++ and Java roles depend on industry, location, and experience. Generally, C++ developers may earn higher salaries in fields like finance or game development due to specialized skills, while Java developers are often in demand for enterprise applications. Both skills are valuable, and compensation varies based on the specific job market and required expertise.

Is AI replacing Java developers?

AI is automating certain coding tasks and improving software development processes, but it does not replace the need for senior Java developers. Java developers are essential for designing, maintaining, and optimizing complex applications, and their expertise remains valuable despite advancements in AI tools. Skills in problem-solving, system architecture, and understanding AI integration are increasingly important for Java professionals.
What are the most commonly searched types of Java Developer jobs in Saint Peters, MO? The most popular types of Java Developer jobs in Saint Peters, MO are:
What cities near Saint Peters, MO are hiring for Senior Java Developer jobs? Cities near Saint Peters, MO with the most Senior Java Developer job openings:
Senior Java Developer jobs near you
Java Software Development Engineering

Java Software Development Engineering

TriOptus LLC

Lake Saint Louis, MO • On-site

$54.25 - $69.25/hr

Other

Posted 29 days ago

Job description

Job Title: Java Developer/Sr. Java Developer (Multiple roles)
Location: St. Louis, MO
Experience: 3+ year for Java Developer Roles / 5+ years for Sr. Java Developer Roles
Duration: 12+ months
Role:
  • Hands-on developer who writes high quality, secure code that is modular, functional and testable.
  • Lead the design, implementation, and delivery for engineering efforts spanning 1-2 teams.
  • Contribute to all parts of the software's development including design, development, documentation, and testing.
  • Have strong ownership of your team's software and are deep in the maintenance characteristics, runtime properties and dependencies including hardware, operating system, and build.
  • Communicate, collaborate and work effectively in a global environment.
Education and Experience:
  • Degree in Computer Science or related field
  • Strong foundation in algorithms, data structures and core computer science concepts.
  • Evidence of working with object-oriented development and design patterns.
  • Proficiency in multiple modern programming languages such as Java, Python, C++ etc.
  • Strong written and verbal English communications skills.
  • Strong analytical and excellent problem solving skills.
  • Experience working in an Agile environment.
  • Strong communication skills - both verbal and written
  • 5 or more years of related work experience.
  • Experience with XP, TDD and BDD in the software development processes
  • Advantage if you have payments expertise and experience/proficiency with cloud technologies (IaaS, PaaS, serverless technology, NoSQL databases), micro-service design, CI/CD, near real-time, scalable fault tolerant platform design, API design, and distributed systems operations in a DevOps model.

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