Top 89 Java developer Jobs in O'fallon Mo

Senior Software Engineer
Mastercard —O'Fallon, MO
- $115,000 - $184,000 a year
- Online Application
- Computer science
- Computer Science
- System design
- Paid jury duty
- Health savings account
2h
Mid-Level Backend Software Engineer
Leidos —St. Louis, MO
- $87,100 - $157,450 a year
- Full-time
- Azure
- Computer Science
- System design
Associate Software Engineer
Brooksource —Maryland Heights, MO
- $32 - $34 an hour
- Contract
- Hybrid work
- Background check
- Computer Science
- Office
- Health savings account
- Paid holidays
Quick Apply
8d
Software Engineer IV – ERP Finance (Oracle/PLSQL)
SPECTRUM —St. Louis, MO
- $80,300 - $156,600 a year
- Computer Science
- System design
- English
- Opportunities for advancement
Production Support Consultant --JAVA
Fabergent —O'Fallon, MO
- Night shift
- Senior level
Quick Apply
Java Engineer
J2B Global LLC —O'Fallon, MO
- Azure
- 8 years
- SQL
10d
Software Engineer I
Mastercard —O'Fallon, MO
- $72,000 - $115,000 a year
- Online Application
- Analysis skills
- Communication skills
- Entry level
- Paid jury duty
- Health savings account
7d
Software Engineer II
Mastercard —O'Fallon, MO
- $92,000 - $147,000 a year
- Online Application
- Research
- Mid-level
- Analysis skills
- Paid jury duty
- Health savings account
7d
Full Stack Java Developer
Wipro Limited —O'Fallon, MO
- $60,000 - $135,000 a year
- Azure
- 5 years
- Pass drug screening
- Disability insurance
- Health insurance
Software Developer (mid-level) - 100% Remote - Public Trust
ATTAINX INC —Saint Charles, MO
- $75,000 - $92,000 a year
- Remote
- Computer Science
- System design
- Mid-level
- Disability insurance
- Health insurance
Quick Apply
1d
Java Lead Developer (Back End) - Contract to Hire Only
Fabergent —Fenton, MO
- Computer Science
- 5 years
- Bachelor of Science
Quick Apply
Full Stack Senior Developer C#/ASP.Net/React
Centerprism —St. Louis, MO
- $79,619 - $109,886 a year
- Part-time
- Hybrid work
- Azure
- Java
- AWS
- AD&D insurance
- Health insurance
Quick Apply
4d
SDC Java Software Developer---Senior---St. Louis
EY —St. Louis, MO
- Java
- Software development
- Senior level
Senior Software Engineer - Java Full Stack Engineer
Mastercard —O'Fallon, MO
- $115,000 - $184,000 a year
- Online Application
- Computer science
- 7 years
- Computer Science
- Paid jury duty
- Health savings account
SOFTWARE ENGINEER
UnikproS —Maryland Heights, MO
- Computer Science
- Mid-level
- Travel
- Referral program
Java Fresher
Bridgesoft —Pacific, MO
- Full-time
- Computer science
- Computer Science
- Engineering
Java Mid Level
Bridgesoft —Pacific, MO
- Full-time
- Computer science
- Computer Science
- Engineering
Senior Software Development Engineer
Mastercard —O'Fallon, MO
- $115,000 - $184,000 a year
- Online Application
- Research
- Analysis skills
- Mentoring
- Paid jury duty
- Health savings account
7d
Software Developer Fulltime , 40 hours per week
I3GlobalTech —St. Louis, MO
- $122,970 a year
- Full-time
- Computer Science
- Mid-level
- Office
Software Engineer, Information Technology
NISA Investment Advisors, LLC —St. Louis, MO
- Full-time
- Computer science
- Computer Science
- Mid-level
- Wellness program
- Health insurance

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java developer jobs near o'fallon mo

Senior Software Engineer

Mastercard -
O'Fallon, MO

Apply Now

Job Details

Full-time
$115,000 - $184,000 a year
2 hours ago

Benefits

Paid jury duty
Health savings account
Paid holidays
Disability insurance
Health insurance
Dental insurance
Flexible spending account
Tuition reimbursement
Vision insurance
401(k) matching
Gym membership
Bereavement leave
Life insurance

Qualifications

Spring Boot
Kubernetes
System performance optimization
System design
Scalable systems
Development environments
System design for system development
Cloud development
Scalability
Integration testing
Distributed computing
Multithreading
PL/SQL
Design (software development lifecycle)
Shell Scripting
Providing code feedback
Production troubleshooting

Full Job Description

Our Purpose

Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential.

Title and Summary

Senior Software Engineer

Who is Mastercard? Mastercard is a global technology company in the payments industry. Our mission is to connect and power an inclusive, digital economy that benefits everyone, everywhere by making transactions safe, simple, smart, and accessible. Using secure data and networks, partnerships and passion, our innovations and solutions help individuals, financial institutions, governments, and businesses realize their greatest potential. Our decency quotient, or DQ, drives our culture and everything we do inside and outside of our company. With connections across more than 210 countries and territories, we are building a sustainable world that unlocks priceless possibilities for all.

Overview
The Fraud Products team develops fraud prevention and identity verification solutions on Mastercard's Decision Management Platform. Our high-performance Java platform processes billions of transactions each month, delivering the scale, speed, and reliability that power Mastercard's global payments network.

Role

Design, develop, and support scalable, high-performance applications.
Build secure, reliable, and maintainable solutions for complex business challenges.
Participate in Agile development, design reviews, code reviews, and security reviews.
Troubleshoot production issues and optimize applications for performance and reliability.
Drive engineering best practices, automation, and continuous improvement.
Collaborate with global teams to deliver software at scale.

All About You

Strong experience with Java/J2EE, Spring Boot, and distributed systems.
Experience building and supporting high-performance, highly available applications.
Strong understanding of software design, architecture, data structures, secure coding, and testing practices.
Experience troubleshooting production issues and improving system performance, scalability, and reliability.
Experience with code reviews, operational excellence, and production support.
Hands-on experience with Kubernetes, Cloud Foundry, Linux, Shell Scripting, Oracle/PLSQL, and SQL.
Experience working in Agile development environments.
Bachelor's degree in Computer Science or related field, or equivalent experience.

Required Technical Skills

Core Java (including multithreading)
Java/J2EE
Spring Framework / Spring Boot
Distributed Systems & Distributed Computing at Scale
Kubernetes, Cloud Foundry
Linux & Shell Scripting
Oracle, PL/SQL, Advanced SQL
Software Design & Architecture
Secure Coding Practices
Unit, Functional & Integration Testing
Performance Engineering
Code Reviews & Troubleshooting
IntelliJ or JBoss Developer Studio

Desirable Skills

Experience with distributed computing platforms and in-memory data grid technologies at scale, such as:

GemFire
Apache Spark
Distributed Redis
Hazelcast
GridGain / Apache Ignite

MQ/JMS messaging technologies
Solaris/UNIX or Red Hat Linux
Experience integrating vendor and open-source solutions into enterprise platforms

Mastercard is a merit-based, inclusive, equal opportunity employer that considers applicants without regard to gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law. We hire the most qualified candidate for the role. In the US or Canada, if you require accommodations or assistance to complete the online application process or during the recruitment process, please contact [email protected] and identify the type of accommodation or assistance you are requesting. Do not include any medical or health information in this email. The Reasonable Accommodations team will respond to your email promptly.

Corporate Security Responsibility

All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must:

Abide by Mastercard’s security policies and practices;
Ensure the confidentiality and integrity of the information being accessed;
Report any suspected information security violation or breach, and
Complete all periodic mandatory security trainings in accordance with Mastercard’s guidelines.

In line with Mastercard’s total compensation philosophy and assuming that the job will be performed in the US, the successful candidate will be offered a competitive base salary and may be eligible for an annual bonus or commissions depending on the role. The base salary offered may vary depending on multiple factors, including but not limited to location, job-related knowledge, skills, and experience. Mastercard benefits for full time (and certain part time) employees generally include: insurance (including medical, prescription drug, dental, vision, disability, life insurance); flexible spending account and health savings account; paid leaves (including 16 weeks of new parent leave and up to 20 days of bereavement leave); 80 hours of Paid Sick and Safe Time, 25 days of vacation time and 5 personal days, pro-rated based on date of hire; 10 annual paid U.S. observed holidays; 401k with a best-in-class company match; deferred compensation for eligible roles; fitness reimbursement or on-site fitness facilities; eligibility for tuition reimbursement; and many more. Mastercard benefits for interns generally include: 56 hours of Paid Sick and Safe Time; jury duty leave; and on-site fitness facilities in some locations.

Pay Ranges

O'Fallon, Missouri: $115,000 - $184,000 USD

Apply Now

Refine Your Search

java developer jobs in o'fallon mo

Senior Software Engineer

Mid-Level Backend Software Engineer

Associate Software Engineer

Software Engineer IV – ERP Finance (Oracle/PLSQL)

Production Support Consultant --JAVA

Java Engineer

Software Engineer I

Software Engineer II

Full Stack Java Developer

Software Developer (mid-level) - 100% Remote - Public Trust

Java Lead Developer (Back End) - Contract to Hire Only

Full Stack Senior Developer C#/ASP.Net/React

SDC Java Software Developer---Senior---St. Louis

Senior Software Engineer - Java Full Stack Engineer

SOFTWARE ENGINEER

Java Fresher

Java Mid Level

Senior Software Development Engineer

Software Developer Fulltime , 40 hours per week

Software Engineer, Information Technology

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