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Entry Level Java Software Engineer Jobs in St Louis, MO

Jobsbridge

Sr. Java Developer

Saint Louis, MO · On-site

$55.75 - $71/hr

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers ... Experience building software in a continuous integration environment like Jenkins or any other ...

Jobsbridge

Sr. Java Developer

Saint Louis, MO · On-site

$55.75 - $71/hr

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers ... Experience building software in a continuous integration environment like Jenkins or any other ...

Jobsbridge

Sr. Java Developer

Saint Louis, MO · On-site

$55.75 - $71/hr

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers ... Experience building software in a continuous integration environment like Jenkins or any other ...

MasterCard

Software Engineer II

O Fallon, MO

$91K - $124K/yr

Title and Summary Software Engineer II Overview The Software Engineer II is an experienced software engineer specializing in Java development and microservices architecture. This role independently ...

Mastercard, Inc.

Software Engineer II

O Fallon, MO · On-site

$91K - $124K/yr

Title and Summary Software Engineer II Overview The Software Engineer II is an experienced software engineer specializing in Java development and microservices architecture. This role independently ...

Mastercard

Software Engineer I

O Fallon, MO · On-site

Title and Summary Software Engineer I AI and Decision Product Enablement Be part of the Shared ... Our patented Java-based platform processes billions of transactions per month in tens of ...

Mastercard, Inc.

Software Engineer I

O Fallon, MO · On-site

Title and Summary Software Engineer I AI and Decision Product Enablement Be part of the Shared ... Our patented Java-based platform processes billions of transactions per month in tens of ...

Mastercard

Software Engineer I

O Fallon, MO · On-site

Title and Summary Software Engineer I AI and Decision Product Enablement Be part of the Shared ... Our patented Java-based platform processes billions of transactions per month in tens of ...

MasterCard

Software Engineer I

O Fallon, MO · On-site

Our patented Java-based platform processes billions of transactions per month in tens of ... engineering practices Apply foundational software design and architecture principles to support ...

Mastercard, Inc.

Senior Software Engineer

O Fallon, MO · On-site

$114K - $151K/yr

... Java code, databases, middleware, and vendor software to identify performance bottlenecks and ... junior engineers • Deliver department and external presentations sharing results with ...

MasterCard

Senior Software Engineer

O Fallon, MO · On-site

$114K - $151K/yr

... Java code, databases, middleware, and vendor software to identify performance bottlenecks and ... develop junior engineers Deliver department and external presentations sharing results with ...

Worky

Full Stack Software Engineer

Saint Louis, MO · On-site

$100 - $150/hr

Write and maintain code in C#, Java, JavaScript/TypeScript, Python, and Shell scripting. * Create ... Full Stack Software Engineer Qualifications... * Requires BS degree and 4+ years of prior relevant ...

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Entry Level Java Software Engineer information

See St Louis, MO salary details

$48.1K

$96K

$194.9K

How much do entry level java software engineer jobs pay per year?

As of Aug 19, 2026, the average yearly pay for entry level java software engineer in St. Louis, MO is $96,047.00, according to ZipRecruiter salary data. Most workers in this role earn between $61,200.00 and $99,700.00 per year, depending on experience, location, and employer.

What is an entry level Java software engineer?

An Entry Level Java Software Engineer is a beginner role in software development that focuses on building, testing, and maintaining applications using Java. Engineers in this position work under the guidance of senior developers to write code, debug programs, and collaborate with teams to develop software solutions. Typical responsibilities include understanding project requirements, writing efficient code, and learning best practices in software engineering. This role is ideal for recent graduates or those with foundational programming knowledge looking to start a career in Java development.

What does a typical day look like for an entry level Java software engineer?

As an Entry Level Java Software Engineer, your day often includes writing and debugging Java code, participating in daily stand-up meetings, and collaborating with senior developers or mentors on assigned tasks. You might work on implementing new features, fixing bugs, reviewing pull requests, and learning about development best practices and code standards. There's usually a mix of independent work and teamwork, with opportunities to ask questions, receive feedback, and build your technical skills. This structure is designed to help you gain experience while steadily expanding your responsibilities within the team.

What are the key skills and qualifications needed to thrive as an entry level Java software engineer?

To thrive as an Entry Level Java Software Engineer, you need a solid understanding of Java programming, object-oriented concepts, basic algorithms, and a relevant degree in computer science or a related field. Familiarity with tools such as IntelliJ IDEA or Eclipse, version control systems like Git, and awareness of popular frameworks such as Spring or Hibernate is typically expected. Strong problem-solving skills, attention to detail, a willingness to learn, and effective team communication will set you apart. These competencies help you quickly adapt to real-world software development environments, contribute to team projects, and build a successful engineering foundation.

What are the most commonly searched types of Java Software Engineer jobs in St. Louis, MO?

The most popular types of Java Software Engineer jobs in St. Louis, MO are:

What cities near St. Louis, MO are hiring for Entry Level Java Software Engineer jobs?

Cities near St. Louis, MO with the most Entry Level Java Software Engineer job openings:

Entry Level Java Software Engineer jobs near you
Infographic showing various Entry Level Java Software Engineer job openings in St. Louis, MO as of July 2026, with employment types broken down into 86% Full Time, 10% Part Time, and 4% Contract. Highlights an 89% Physical, 3% Hybrid, and 8% Remote job distribution, with an average salary of $96,047 per year, or $46.2 per hour.

Embedded Software Engineer Intern

Leonardo DRS

Bridgeton, MO • On-site

$41K - $53K/yr

Full-time, Internship

Medical, Dental, Vision, Life, Retirement, PTO

Posted 14 days ago

Leonardo DRS rating

8.1

Company rating: 8.1 out of 10

Based on 56 frontline employees who took The Breakroom Quiz

117th of 540 rated manufacturers

Job description

Job ID: 115031
The Leonardo DRS Land Systems business is a recognized leader in the design and integration of complex technologies into new and legacy systems and platforms for global military and commercial customers. We are a 6 year running Top Workplace in the Greater St. Louis area.
Job Summary
Leonardo DRS Land Systems is seeking an Embedded Software Engineer Intern for Summer 2026 to help our Software Engineering (SW) team meet the technical performance requirements on complex system development programs. This position will be working on a variety of programs and writing (C,C++,C#, Java and Python) software that runs on the hardware we develop. The position will also execute an interdisciplinary process to ensure that the customer and stakeholder needs and requirements are satisfied in a high quality, trustworthy, cost efficient, and schedule compliant manner. The purpose of the internship is to provide meaningful professional hands-on experience to students with proven academic performance and leadership potential. Students will also get to utilize our companies flexible work schedule.
Job Responsibilities
  • Work under the direction of the Software Engineering Manager, Software Engineering Technical Director, and Lead Software Engineers on various Software Engineering activities
  • May code using C/C++/C#/Java to complete coding assignments
  • Source code management of new and/or modified code
  • May use MATLAB and/or Simulink software in the performance of assignments
  • Work closely with and assist engineers in the conduct of various engineering assignments
  • Carry out basic work instructions that will help in understanding the fundamentals of the Company and also learn new things
  • Conduct limited scope testing under the supervision of engineers
  • Complete assigned tasks on time
  • Gather and assemble data for engineers
  • May be required to help in research in a particular field
  • Conduct design analysis and/or calculations under the supervision of engineers
  • Assist engineers with appropriate design details
  • Must have good interpersonal skills and have the ability to build a good network
  • Perform a wide variety of tasks to gain familiarity with the engineering staff, methods, programs and practices
  • Support, communicate, reinforce and defend the mission, values and culture of the organization
  • Other duties as assigned

Qualifications
  • High School Diploma or GED, and currently a Junior or above in a Bachelor's program in Computer Science, Computer Engineering, Mathematics, Physics, or equivalent
  • Must have good interpersonal skills
  • Excellent analytical and communication skills, written and oral

Desired Knowledge:
  • Basic knowledge and familiarity with: C, C++, C#, Java, Python, git
  • Knowledge of Windows, Linux, or a real time operating system
  • Proficient use of Microsoft Office products

The salary range for this position is $41,011.00/year- $53,315.00/year for the state of Illinois. This range reflects the good faith estimate of pay the employer is willing to offer at the time of posting. Several factors can influence the pay scale, including but not limited to: Federal contract labor categories and contract wage rates, collective bargaining agreements, geographic location, business considerations, scope, and responsibilities of the position, local or other applicable market conditions, and internal equity. Other factors include the candidate's qualifications such as prior work experience, specific skills and competencies, education/training, and certifications. In addition to base pay, employees may be eligible for: annual performance-based bonuses, equity awards, and overtime pay (for non-exempt employees as applicable. Our benefits package includes comprehensive health insurance (medical, dental, vision), employer matching 401(k) retirement plan, paid time off including vacation, holidays, and sick leave (including ant state-mandated paid sick leave), parental leave benefits, tuition reimbursement, professional development support, and life and disability insurance coverage.
Taking care of our people is a top priority at Leonardo DRS. We are proud to offer competitive salaries and comprehensive benefits, including medical, dental, and vision coverage, a company contribution to a health savings account, telemedicine, life and disability insurance, legal insurance, and a 401(k) savings plan. We champion wellness programs that focus on physical, emotional, and financial well-being. We develop our talent by offering programs and activities to support career-growth, professional development, and skill enhancement. And we understand there is more to life than work, and the importance of offering flexible work schedules with our 9/80 program, competitive vacation, health/emergency leave, paid parental leave, and community service hours.
*Some employees are eligible for limited benefits only
Leonardo DRS, Inc. and its subsidiaries provide equal opportunities to all employees and applicants for employment and prohibit discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, protected veteran status, or any other characteristic protected by federal, state, or local laws. #LSY
Our Vision. To be the leading mid-tier defense technology company in the U.S.
Our Values. The Leonardo DRS culture is defined by our Core Values and Principles:
- Integrity
- Agility
- Excellence
- Customer Focus
- Community & Respect
- Innovation
We strive to uphold them in all aspects of our business practices to inspire our employees and provide outstanding support for our customers.

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