Jobs in Saint Louis, MO
136 open roles — posted here, and found on employers' own careers sites.
Application Development Advisor- Hybrid
Cigna
Full-time · Saint Louis, MO
This role involves managing and supporting Hyperion Enterprise Performance Management systems at a large healthcare company, including platform operations, financial reporting, and system optimization. It suits someone with software development background who wants to specialize in financial planning and consolidation systems within a hybrid work setup.
Listed on Cigna’s careers site · Apply there ↗
Lead C++ Observability Engineer
LSEG
Saint Louis, MO
Lead the observability strategy and hands-on implementation for real-time market data systems, working across multiple engineering teams to embed monitoring practices and optimize customer experience. This role suits experienced engineers who combine strong C++ skills with observability expertise and can guide teams on building measurable, reliable systems.
Listed on LSEG’s careers site · Apply there ↗
Pharmacy Operations Lead Representative - Express Scripts
Cigna
Full-time · 2 locations
Lead a pharmacy operations team at Express Scripts, distributing work and monitoring workflow to ensure timely, accurate completion. This role suits someone with pharmacy experience who is ready to step into a first-level leadership position and enjoys solving operational problems.
Listed on Cigna’s careers site · Apply there ↗
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Principal Technical Business Analyst
LSEG
Saint Louis, MO
A senior technical analyst role at a major financial markets infrastructure company, responsible for managing data feeds and software requirements across multiple exchange projects. This suits experienced business analysts ready to mentor others and lead quality standards while handling complex, fast-paced technical environments.
Listed on LSEG’s careers site · Apply there ↗
Software Engineering Advisor- Hybrid
Cigna
Full-time · 7 locations
This role advises on software engineering quality and technical standards across data and analytics platforms, working with architects and development teams to guide implementation and resolve complex technical issues. It suits experienced Java developers who want a more strategic position focusing on code quality, deployment planning, and cross-team collaboration.
Listed on Cigna’s careers site · Apply there ↗
Senior Technical Business Analyst
LSEG
Saint Louis, MO
This role leads requirements gathering and business analysis for real-time financial data collection systems across North and South American stock exchanges, working with developers to translate market changes into production releases. It suits someone who understands financial markets deeply, can manage shifting priorities in high-volume environments, and excels at translating complex business needs into technical specifications.
Listed on LSEG’s careers site · Apply there ↗
Software Engineering Senior Advisor- Hybrid
Cigna
Full-time · 6 locations · $130,200 – $217,000
This role leads a platform team building REST-based microservices and data pipelines in a healthcare technology environment, using Java, Spring Boot, and AWS cloud infrastructure. It suits experienced backend engineers who want to mentor others and shape architectural decisions for a large healthcare organization.
Listed on Cigna’s careers site · Apply there ↗
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Lead Technical Business Analyst
LSEG
Saint Louis, MO
This is a senior business analyst role focused on managing market data systems and workflows for the Americas region, requiring strong requirements gathering, project leadership, and technical analysis skills. The position suits experienced professionals who can lead multiple priorities in a financial markets environment while collaborating with stakeholders and technical teams.
Listed on LSEG’s careers site · Apply there ↗
Senior Software Engineer - Real Time Product Engineering
LSEG
Saint Louis, MO
This role involves building and maintaining internal development tools for a major financial infrastructure company, working across multiple technology stacks to support other engineering teams. It suits experienced engineers who enjoy solving infrastructure problems, collaborating across organizational boundaries, and want to deepen their knowledge of financial systems.
Listed on LSEG’s careers site · Apply there ↗
Senior Software Engineer - St. Louis
LSEG
Saint Louis, MO
LSEG Data & Analytics is hiring software engineers to build enterprise financial data and analytics platforms, with opportunities to work on AI-powered solutions serving global markets. This role suits engineers with solid experience in major languages who are curious about emerging technologies and want to tackle complex problems at scale in financial infrastructure.
Listed on LSEG’s careers site · Apply there ↗
Senior .Net Engineer - Real Time Product Engineering
LSEG
Saint Louis, MO
A senior-level software engineer role focused on building internal development tools and utilities for a major financial markets infrastructure company. The position suits experienced engineers who enjoy working across multiple technology stacks, collaborating with internal teams, and helping advance DevOps practices in a complex, regulated environment.
Listed on LSEG’s careers site · Apply there ↗