Top 22 Senior java developer Jobs in O'fallon, Il

Senior Software Engineer - St. Louis
LSEG (London Stock Exchange Group) —St. Louis, MO
- Full-time
- Computer science
- Azure
- Computer Science
8d
Senior Software Engineer
Equifax —St. Louis, MO
- Full-time
- Hybrid work
- Azure
- 5 years
- System design
- Health insurance
- Paid time off
Senior Application Development Engineers
Centene Corporation —Clayton, MO
- $148,553.90 - $169,300.00 a year
- Full-time
- Computer science
- Oracle
- Computer Science
- Paid holidays
- Health insurance
Sr Systems Specialist (Full Stack, Cloud)
National Information Solutions Cooperative (NISC) —St. Louis, MO
- Hybrid work
- Computer science
- Computer Science
- 5 years
- Health savings account
- Paid holidays
Senior Software Engineer - Java/Spring/Hibernate
Enterprise Mobility —St. Louis, MO
- Full-time
- Computer Science
- Research
- Office
- Profit sharing
- Health insurance
Sr Manager Platform Development - Data Services (Databricks, AI)
National Information Solutions Cooperative (NISC) —St. Louis, MO
- Hybrid work
- Oracle
- Computer Science
- Office
Senior Cybersecurity Capability Developer - Secret Clearance
MartinFed —Scott AFB, IL
- Full-time
- Azure
- Computer Science
- Office
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Senior Software Engineer - St. Louis

LSEG (London Stock Exchange Group) -
St. Louis, MO

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Job Details

Full-time
8 days ago

Benefits

Volunteer time off

Qualifications

Computer science
Software engineering
Test Automation Development (Quality assurance practices)
Azure
Computer Science
Continuous Delivery (CD) implementation
Enterprise software
C#
Public Cloud
Mid-level
Enterprise software systems development
Java
AWS
C++
Bachelor's degree in engineering
Bank experience
AI implementation
DevOps automation
Cross-functional collaboration
Bachelor's degree in computer science
Communication skills
Python
Cross-functional communication

Full Job Description

LSEG Data & Analytics is one of the world’s largest providers of financial markets data and infrastructure. With over 40,000 customers and 400,000 end users across approximately 190 markets, we are an essential partner to the global financial community and redefining the future of data in financial services. We enable customers to draw crucial insights through data, feeds, analytics, AI and workflow solutions.

Our engineers design, develop and deliver the products and services that reimagine how our industry works. Driving innovation through digitalisation and AI, we deliver accelerated impact and excellence for customers every day.

The Opportunity

We are seeking passionate software engineers from mid-level to lead to help us build robust, enterprise-grade solutions that drive real-world impact.

Our problems are complex from building AI-powered analytics that are constantly evolving, to challenges that define modern finance, giving engineers the opportunity to stretch their craft and shape solutions that matter.

Our software engineers have a strong appetite for innovation, new technologies, and AI, both in how we accelerate engineering and in how we create smarter, more valuable experiences for our customers. We encourage curiosity, experimentation, and continuous learning, giving our teams the opportunity to solve complex challenges at scale.

What We Look For

We place great value on technical excellence and a drive for continuous learning.

Experienced Software Engineers with one of the following technologies – Java, Python, C++ or C#
Strong experience with CI/CD, unit testing framework and automation (testing/deployment) in cloud platforms such as AWS or Azure
Curiosity about AI and a strong interest in how emerging technologies can be applied to solve complex software engineering problems.
Prior Financial Services or Big Tech experience preferred
Bachelor’s degree in Computer Science, Engineering and related field or relevant experience

Excellent problem-solving skills and a proactive approach to identifying and resolving issues
Willingness to learn and work with new technologies across the full stack
Strong teamwork and communication skills, with the ability to collaborate optimally with cross-functional teams across multiple regions and timezones

Career Stage:

Manager

London Stock Exchange Group (LSEG) Information:

Join us and be part of a team that values innovation, quality, and continuous improvement. If you're ready to take your career to the next level and make a significant impact, we'd love to hear from you.

LSEG is a leading global financial markets infrastructure and data provider. Our purpose is driving financial stability, empowering economies and enabling customers to create sustainable growth.

Our purpose is the foundation on which our culture is built. Our values of Integrity, Partnership, Excellence and Change underpin our purpose and set the standard for everything we do, every day. They go to the heart of who we are and guide our decision making and everyday actions.

Working with us means that you will be part of a dynamic organisation of 25,000 people across 65 countries. However, we will value your individuality and enable you to bring your true self to work so you can help enrich our diverse workforce.

We are proud to be an equal opportunities employer. This means that we do not discriminate on the basis of anyone’s race, religion, colour, national origin, gender, sexual orientation, gender identity, gender expression, age, marital status, veteran status, pregnancy or disability, or any other basis protected under applicable law. Conforming with applicable law, we can reasonably accommodate applicants' and employees' religious practices and beliefs, as well as mental health or physical disability needs.

You will be part of a collaborative and creative culture where we encourage new ideas. We are committed to sustainability across our global business and we are proud to partner with our customers to help them meet their sustainability objectives. Our charity, the LSEG Foundation provides charitable grants to community groups that help people access economic opportunities and build a secure future with financial independence. Colleagues can get involved through fundraising and volunteering.

LSEG offers a range of tailored benefits and support, including healthcare, retirement planning, paid volunteering days and wellbeing initiatives.

Please take a moment to read this privacy notice carefully, as it describes what personal information London Stock Exchange Group (LSEG) (we) may hold about you, what it’s used for, and how it’s obtained, your rights and how to contact us as a data subject.

If you are submitting as a Recruitment Agency Partner, it is essential and your responsibility to ensure that candidates applying to LSEG are aware of this privacy notice.

Apply Now

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senior java developer jobs in o'fallon, il

Senior Software Engineer - St. Louis

Senior Software Engineer

Senior Application Development Engineers

Sr Systems Specialist (Full Stack, Cloud)

Senior Software Engineer - Java/Spring/Hibernate

Sr Manager Platform Development - Data Services (Databricks, AI)

Senior Cybersecurity Capability Developer - Secret Clearance

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